From 3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4 Mon Sep 17 00:00:00 2001 From: matz Date: Fri, 16 Jan 1998 12:13:05 +0000 Subject: Initial revision git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- missing/dir.h | 370 ++--- missing/file.h | 63 +- missing/nt.c | 4382 +++++++++++++++++++++++++++--------------------------- missing/nt.h | 10 +- missing/setenv.c | 8 +- missing/strdup.c | 4 +- missing/strstr.c | 2 +- 7 files changed, 2420 insertions(+), 2419 deletions(-) (limited to 'missing') diff --git a/missing/dir.h b/missing/dir.h index 51904c6f88..5c6281fdc2 100644 --- a/missing/dir.h +++ b/missing/dir.h @@ -1,188 +1,188 @@ -/* $RCSfile: dir.h,v $$Revision: 4.0.1.1 $$Date: 91/06/07 11:22:10 $ - * - * (C) Copyright 1987, 1990 Diomidis Spinellis. - * - * You may distribute under the terms of either the GNU General Public - * License or the Artistic License, as specified in the README file. - * - * $Log: dir.h,v $ - * Revision 4.0.1.1 91/06/07 11:22:10 lwall - * patch4: new copyright notice - * - * Revision 4.0 91/03/20 01:34:20 lwall - * 4.0 baseline. - * - * Revision 3.0.1.1 90/03/27 16:07:08 lwall - * patch16: MSDOS support - * - * Revision 1.1 90/03/18 20:32:29 dds - * Initial revision - * - * - */ - -/* - * defines the type returned by the directory(3) functions - */ - -#ifndef __DIR_INCLUDED -#define __DIR_INCLUDED - -/*Directory entry size */ -#ifdef DIRSIZ -#undef DIRSIZ -#endif -#define DIRSIZ(rp) (sizeof(struct direct)) - -/* - * Structure of a directory entry - */ -struct direct { - ino_t d_ino; /* inode number (not used by MS-DOS) */ - int d_namlen; /* Name length */ - char d_name[256]; /* file name */ -}; - -struct _dir_struc { /* Structure used by dir operations */ - char *start; /* Starting position */ - char *curr; /* Current position */ - long size; /* Size of string table */ - long nfiles; /* number if filenames in table */ - struct direct dirstr; /* Directory structure to return */ -}; - -typedef struct _dir_struc DIR; /* Type returned by dir operations */ - -DIR *cdecl opendir(char *filename); -struct direct *readdir(DIR *dirp); -long telldir(DIR *dirp); -void seekdir(DIR *dirp,long loc); -void rewinddir(DIR *dirp); -void closedir(DIR *dirp); - -#endif /* __DIR_INCLUDED */ -/* $RCSfile: dir.h,v $$Revision: 4.0.1.1 $$Date: 91/06/07 11:22:10 $ - * - * (C) Copyright 1987, 1990 Diomidis Spinellis. - * - * You may distribute under the terms of either the GNU General Public - * License or the Artistic License, as specified in the README file. - * - * $Log: dir.h,v $ - * Revision 4.0.1.1 91/06/07 11:22:10 lwall - * patch4: new copyright notice - * - * Revision 4.0 91/03/20 01:34:20 lwall - * 4.0 baseline. - * - * Revision 3.0.1.1 90/03/27 16:07:08 lwall - * patch16: MSDOS support - * - * Revision 1.1 90/03/18 20:32:29 dds - * Initial revision - * - * - */ - -/* - * defines the type returned by the directory(3) functions - */ - -#ifndef __DIR_INCLUDED -#define __DIR_INCLUDED - -/*Directory entry size */ -#ifdef DIRSIZ -#undef DIRSIZ -#endif -#define DIRSIZ(rp) (sizeof(struct direct)) - -/* - * Structure of a directory entry - */ -struct direct { - ino_t d_ino; /* inode number (not used by MS-DOS) */ - int d_namlen; /* Name length */ - char d_name[256]; /* file name */ -}; - -struct _dir_struc { /* Structure used by dir operations */ - char *start; /* Starting position */ - char *curr; /* Current position */ - struct direct dirstr; /* Directory structure to return */ -}; - -typedef struct _dir_struc DIR; /* Type returned by dir operations */ - -DIR *cdecl opendir(char *filename); -struct direct *readdir(DIR *dirp); -long telldir(DIR *dirp); -void seekdir(DIR *dirp,long loc); -void rewinddir(DIR *dirp); -void closedir(DIR *dirp); - -#endif /* __DIR_INCLUDED */ -/* $RCSfile: dir.h,v $$Revision: 4.0.1.1 $$Date: 91/06/07 11:22:10 $ - * - * (C) Copyright 1987, 1990 Diomidis Spinellis. - * - * You may distribute under the terms of either the GNU General Public - * License or the Artistic License, as specified in the README file. - * - * $Log: dir.h,v $ - * Revision 4.0.1.1 91/06/07 11:22:10 lwall - * patch4: new copyright notice - * - * Revision 4.0 91/03/20 01:34:20 lwall - * 4.0 baseline. - * - * Revision 3.0.1.1 90/03/27 16:07:08 lwall - * patch16: MSDOS support - * - * Revision 1.1 90/03/18 20:32:29 dds - * Initial revision - * - * - */ - -/* - * defines the type returned by the directory(3) functions - */ - -#ifndef __DIR_INCLUDED -#define __DIR_INCLUDED - -/*Directory entry size */ -#ifdef DIRSIZ -#undef DIRSIZ -#endif -#define DIRSIZ(rp) (sizeof(struct direct)) - -/* - * Structure of a directory entry - */ -struct direct { - ino_t d_ino; /* inode number (not used by MS-DOS) */ - int d_namlen; /* Name length */ - char d_name[256]; /* file name */ -}; - -struct _dir_struc { /* Structure used by dir operations */ - char *start; /* Starting position */ - char *curr; /* Current position */ - struct direct dirstr; /* Directory structure to return */ -}; - -typedef struct _dir_struc DIR; /* Type returned by dir operations */ - -DIR *cdecl opendir(char *filename); -struct direct *readdir(DIR *dirp); -long telldir(DIR *dirp); -void seekdir(DIR *dirp,long loc); -void rewinddir(DIR *dirp); -void closedir(DIR *dirp); - -#endif /* __DIR_INCLUDED */ +/* $RCSfile: dir.h,v $$Revision: 4.0.1.1 $$Date: 91/06/07 11:22:10 $ + * + * (C) Copyright 1987, 1990 Diomidis Spinellis. + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * + * $Log: dir.h,v $ + * Revision 4.0.1.1 91/06/07 11:22:10 lwall + * patch4: new copyright notice + * + * Revision 4.0 91/03/20 01:34:20 lwall + * 4.0 baseline. + * + * Revision 3.0.1.1 90/03/27 16:07:08 lwall + * patch16: MSDOS support + * + * Revision 1.1 90/03/18 20:32:29 dds + * Initial revision + * + * + */ + +/* + * defines the type returned by the directory(3) functions + */ + +#ifndef __DIR_INCLUDED +#define __DIR_INCLUDED + +/*Directory entry size */ +#ifdef DIRSIZ +#undef DIRSIZ +#endif +#define DIRSIZ(rp) (sizeof(struct direct)) + +/* + * Structure of a directory entry + */ +struct direct { + ino_t d_ino; /* inode number (not used by MS-DOS) */ + int d_namlen; /* Name length */ + char d_name[256]; /* file name */ +}; + +struct _dir_struc { /* Structure used by dir operations */ + char *start; /* Starting position */ + char *curr; /* Current position */ + long size; /* Size of string table */ + long nfiles; /* number if filenames in table */ + struct direct dirstr; /* Directory structure to return */ +}; + +typedef struct _dir_struc DIR; /* Type returned by dir operations */ + +DIR *cdecl opendir(char *filename); +struct direct *readdir(DIR *dirp); +long telldir(DIR *dirp); +void seekdir(DIR *dirp,long loc); +void rewinddir(DIR *dirp); +void closedir(DIR *dirp); + +#endif /* __DIR_INCLUDED */ +/* $RCSfile: dir.h,v $$Revision: 4.0.1.1 $$Date: 91/06/07 11:22:10 $ + * + * (C) Copyright 1987, 1990 Diomidis Spinellis. + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * + * $Log: dir.h,v $ + * Revision 4.0.1.1 91/06/07 11:22:10 lwall + * patch4: new copyright notice + * + * Revision 4.0 91/03/20 01:34:20 lwall + * 4.0 baseline. + * + * Revision 3.0.1.1 90/03/27 16:07:08 lwall + * patch16: MSDOS support + * + * Revision 1.1 90/03/18 20:32:29 dds + * Initial revision + * + * + */ + +/* + * defines the type returned by the directory(3) functions + */ + +#ifndef __DIR_INCLUDED +#define __DIR_INCLUDED + +/*Directory entry size */ +#ifdef DIRSIZ +#undef DIRSIZ +#endif +#define DIRSIZ(rp) (sizeof(struct direct)) + +/* + * Structure of a directory entry + */ +struct direct { + ino_t d_ino; /* inode number (not used by MS-DOS) */ + int d_namlen; /* Name length */ + char d_name[256]; /* file name */ +}; + +struct _dir_struc { /* Structure used by dir operations */ + char *start; /* Starting position */ + char *curr; /* Current position */ + struct direct dirstr; /* Directory structure to return */ +}; + +typedef struct _dir_struc DIR; /* Type returned by dir operations */ + +DIR *cdecl opendir(char *filename); +struct direct *readdir(DIR *dirp); +long telldir(DIR *dirp); +void seekdir(DIR *dirp,long loc); +void rewinddir(DIR *dirp); +void closedir(DIR *dirp); + +#endif /* __DIR_INCLUDED */ +/* $RCSfile: dir.h,v $$Revision: 4.0.1.1 $$Date: 91/06/07 11:22:10 $ + * + * (C) Copyright 1987, 1990 Diomidis Spinellis. + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * + * $Log: dir.h,v $ + * Revision 4.0.1.1 91/06/07 11:22:10 lwall + * patch4: new copyright notice + * + * Revision 4.0 91/03/20 01:34:20 lwall + * 4.0 baseline. + * + * Revision 3.0.1.1 90/03/27 16:07:08 lwall + * patch16: MSDOS support + * + * Revision 1.1 90/03/18 20:32:29 dds + * Initial revision + * + * + */ + +/* + * defines the type returned by the directory(3) functions + */ + +#ifndef __DIR_INCLUDED +#define __DIR_INCLUDED + +/*Directory entry size */ +#ifdef DIRSIZ +#undef DIRSIZ +#endif +#define DIRSIZ(rp) (sizeof(struct direct)) + +/* + * Structure of a directory entry + */ +struct direct { + ino_t d_ino; /* inode number (not used by MS-DOS) */ + int d_namlen; /* Name length */ + char d_name[256]; /* file name */ +}; + +struct _dir_struc { /* Structure used by dir operations */ + char *start; /* Starting position */ + char *curr; /* Current position */ + struct direct dirstr; /* Directory structure to return */ +}; + +typedef struct _dir_struc DIR; /* Type returned by dir operations */ + +DIR *cdecl opendir(char *filename); +struct direct *readdir(DIR *dirp); +long telldir(DIR *dirp); +void seekdir(DIR *dirp,long loc); +void rewinddir(DIR *dirp); +void closedir(DIR *dirp); + +#endif /* __DIR_INCLUDED */ /* $RCSfile: dir.h,v $$Revision: 4.0.1.1 $$Date: 91/06/07 11:22:10 $ * * (C) Copyright 1987, 1990 Diomidis Spinellis. diff --git a/missing/file.h b/missing/file.h index d8b8402852..0207dddb3a 100644 --- a/missing/file.h +++ b/missing/file.h @@ -1,31 +1,32 @@ -/* This is file FILE.H */ -/* -** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954 -** -** This file is distributed under the terms listed in the document -** "copying.dj", available from DJ Delorie at the address above. -** A copy of "copying.dj" should accompany this file; if not, a copy -** should be available from where this file was obtained. This file -** may not be distributed without a verbatim copy of "copying.dj". -** -** This file is distributed WITHOUT ANY WARRANTY; without even the implied -** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -*/ - -#ifndef _FILE_H_ -#define _FILE_H_ - -#include - -#define L_SET 0 -#define L_CURR 1 -#define L_INCR 1 -#define L_XTND 2 - - -#define F_OK 0 /* does file exist */ -#define X_OK 1 /* is it executable by caller */ -#define W_OK 2 /* is it writable by caller */ -#define R_OK 4 /* is it readable by caller */ - -#endif +/* This is file FILE.H */ +/* +** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954 +** +** This file is distributed under the terms listed in the document +** "copying.dj", available from DJ Delorie at the address above. +** A copy of "copying.dj" should accompany this file; if not, a copy +** should be available from where this file was obtained. This file +** may not be distributed without a verbatim copy of "copying.dj". +** +** This file is distributed WITHOUT ANY WARRANTY; without even the implied +** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +*/ + +#ifndef _FILE_H_ +#define _FILE_H_ + +#include + +#define L_SET 0 +#define L_CURR 1 +#define L_INCR 1 +#define L_XTND 2 + + +#define F_OK 0 /* does file exist */ + +#define X_OK 1 /* is it executable by caller */ +#define W_OK 2 /* is it writable by caller */ +#define R_OK 4 /* is it readable by caller */ + +#endif diff --git a/missing/nt.c b/missing/nt.c index 7210e1b33b..1cd81fd28c 100644 --- a/missing/nt.c +++ b/missing/nt.c @@ -1,2191 +1,2191 @@ -/* - * Copyright (c) 1993, Intergraph Corporation - * - * You may distribute under the terms of either the GNU General Public - * License or the Artistic License, as specified in the perl README file. - * - * Various Unix compatibility functions and NT specific functions. - * - * Some of this code was derived from the MSDOS port(s) and the OS/2 port. - * - */ - -#include "ruby.h" -#include -#include -#include -/* #include */ -#include -#include -#include -#include - -#include -#include -#include -#include "nt.h" -#include "dir.h" -#ifndef index -#define index(x, y) strchr((x), (y)) -#endif - -#ifndef bool -#define bool int -#endif - -bool NtSyncProcess = TRUE; -#if 0 // declared in header file -extern char **environ; -#define environ _environ -#endif - -static bool NtHasRedirection (char *); -static int valid_filename(char *s); -static void StartSockets (); -static char *str_grow(struct RString *str, size_t new_size); - -char *NTLoginName; - -DWORD Win32System = (DWORD)-1; - -static DWORD -IdOS(void) -{ - static OSVERSIONINFO osver; - - if (osver.dwPlatformId != Win32System) { - memset(&osver, 0, sizeof(OSVERSIONINFO)); - osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); - GetVersionEx(&osver); - Win32System = osver.dwPlatformId; - } - return (Win32System); -} - -static int -IsWin95(void) { - return (IdOS() == VER_PLATFORM_WIN32_WINDOWS); -} - -static int -IsWinNT(void) { - return (IdOS() == VER_PLATFORM_WIN32_NT); -} - - -/* simulate flock by locking a range on the file */ - - -#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError())) -#define LK_LEN 0xffff0000 - -int -flock(int fd, int oper) -{ - OVERLAPPED o; - int i = -1; - HANDLE fh; - - fh = (HANDLE)_get_osfhandle(fd); - memset(&o, 0, sizeof(o)); - - if(IsWinNT()) { - switch(oper) { - case LOCK_SH: /* shared lock */ - LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i); - break; - case LOCK_EX: /* exclusive lock */ - LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i); - break; - case LOCK_SH|LOCK_NB: /* non-blocking shared lock */ - LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i); - break; - case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */ - LK_ERR(LockFileEx(fh, - LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY, - 0, LK_LEN, 0, &o),i); - if(errno == EDOM) errno = EWOULDBLOCK; - break; - case LOCK_UN: /* unlock lock */ - if (UnlockFileEx(fh, 0, LK_LEN, 0, &o)) { - i = 0; - } - else { - /* GetLastError() must returns `ERROR_NOT_LOCKED' */ - errno = EWOULDBLOCK; - } - if(errno == EDOM) errno = EWOULDBLOCK; - break; - default: /* unknown */ - errno = EINVAL; - break; - } - } - else if(IsWin95()) { - switch(oper) { - case LOCK_EX: - while(i == -1) { - LK_ERR(LockFile(fh, 0, 0, LK_LEN, 0), i); - if(errno != EDOM && i == -1) break; - } - break; - case LOCK_EX | LOCK_NB: - LK_ERR(LockFile(fh, 0, 0, LK_LEN, 0), i); - if(errno == EDOM) errno = EWOULDBLOCK; - break; - case LOCK_UN: - LK_ERR(UnlockFile(fh, 0, 0, LK_LEN, 0), i); - if(errno == EDOM) errno = EWOULDBLOCK; - break; - default: - errno = EINVAL; - break; - } - } - return i; -} - -#undef LK_ERR -#undef LK_LEN - - -#undef const -FILE *fdopen(int, const char *); - -#if 0 -void -sleep(unsigned int len) -{ - time_t end; - - end = time((time_t *)0) + len; - while (time((time_t *)0) < end) - ; -} -#endif - -// -// Initialization stuff -// -void -NtInitialize(int *argc, char ***argv) { - - WORD version; - int ret; - - // - // subvert cmd.exe\'s feeble attempt at command line parsing - // - *argc = NtMakeCmdVector((char *)GetCommandLine(), argv, TRUE); - - // - // Now set up the correct time stuff - // - - tzset(); - - // Initialize Winsock - // StartSockets(); -} - - -char *getlogin() -{ - char buffer[200]; - int len = 200; - extern char *NTLoginName; - - if (NTLoginName == NULL) { - if (GetUserName(buffer, &len)) { - NTLoginName = ALLOC_N(char, len+1); - strncpy(NTLoginName, buffer, len); - NTLoginName[len] = '\0'; - } - else { - NTLoginName = ""; - } - } - return NTLoginName; -} - - - -#if 1 -// popen stuff - -// -// use these so I can remember which index is which -// - -#define NtPipeRead 0 // index of pipe read descriptor -#define NtPipeWrite 1 // index of pipe write descriptor - -#define NtPipeSize 1024 // size of pipe buffer - -#define MYPOPENSIZE 256 // size of book keeping structure - -struct { - int inuse; - int pid; - HANDLE oshandle; - FILE *pipe; -} MyPopenRecord[MYPOPENSIZE]; - -int SafeFree(char **vec, int vecc) -{ - // vec - // | - // V ^---------------------V - // +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ - // | | | .... | NULL | | ..... |\0 | | ..... |\0 |... - // +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ - // |- elements+1 -| ^ 1st element ^ 2nd element - - char *p; - - p = (char *)(vec - (vecc * sizeof (char *) + 1)); - free(p); - - return 0; -} - - -static char *szInternalCmds[] = { - "cd", - "chdir", - "cls", - "copy", - "date", - "del", - "dir", - "echo", - "erase", - "label", - "md", - "mkdir", - "path", - "rd", - "rem", - "ren", - "rename", - "rmdir", - "set", - "start", - "time", - "type", - "ver", - "vol", -}; - -int -isInternalCmd(char *cmd) -{ - int fRet; - char **vec; - int vecc = NtMakeCmdVector(cmd, &vec, FALSE); - - SafeFree (vec, vecc); - - return 0; -} - - -FILE * -mypopen (char *cmd, char *mode) -{ - FILE *fp; - int saved, reading; - int pipemode; - int pipes[2]; - int pid; - int slot; - static initialized = 0; - - // - // if first time through, intialize our book keeping structure - // - - if (!initialized++) { - for (slot = 0; slot < MYPOPENSIZE; slot++) - MyPopenRecord[slot].inuse = FALSE; - } - - //printf("mypopen %s\n", cmd); - - // - // find a free popen slot - // - - for (slot = 0; slot < MYPOPENSIZE && MyPopenRecord[slot].inuse; slot++) - ; - - if (slot > MYPOPENSIZE) { - return NULL; - } - - // - // Figure out what we\'re doing... - // - - reading = (*mode == 'r') ? TRUE : FALSE; - pipemode = (*(mode+1) == 'b') ? O_BINARY : O_TEXT; - - // - // Now get a pipe - // - -#if 0 - if (_pipe(pipes, NtPipeSize, pipemode) == -1) { - return NULL; - } - - if (reading) { - - // - // we\'re reading from the pipe, so we must hook up the - // write end of the pipe to the new processes stdout. - // To do this we must save our file handle from stdout - // by _dup\'ing it, then setting our stdout to be the pipe\'s - // write descriptor. We must also make the write handle - // inheritable so the new process can use it. - - if ((saved = _dup(fileno(stdout))) == -1) { - _close(pipes[NtPipeRead]); - _close(pipes[NtPipeWrite]); - return NULL; - } - if (_dup2 (pipes[NtPipeWrite], fileno(stdout)) == -1) { - _close(pipes[NtPipeRead]); - _close(pipes[NtPipeWrite]); - return NULL; - } - } - else { - // - // must be writing to the new process. Do the opposite of - // the above, i.e. hook up the processes stdin to the read - // end of the pipe. - // - - if ((saved = _dup(fileno(stdin))) == -1) { - _close(pipes[NtPipeRead]); - _close(pipes[NtPipeWrite]); - return NULL; - } - if (_dup2(pipes[NtPipeRead], fileno(stdin)) == -1) { - _close(pipes[NtPipeRead]); - _close(pipes[NtPipeWrite]); - return NULL; - } - } - - // - // Start the new process. Must set _fileinfo to non-zero value - // for file descriptors to be inherited. Reset after the process - // is started. - // - - if (NtHasRedirection(cmd)) { - docmd: - pid = spawnlpe(_P_NOWAIT, "cmd.exe", "/c", cmd, 0, environ); - if (pid == -1) { - _close(pipes[NtPipeRead]); - _close(pipes[NtPipeWrite]); - return NULL; - } - } - else { - char **vec; - int vecc = NtMakeCmdVector(cmd, &vec, FALSE); - - //pid = spawnvpe (_P_NOWAIT, vec[0], vec, environ); - pid = spawnvpe (_P_WAIT, vec[0], vec, environ); - if (pid == -1) { - goto docmd; - } - Safefree (vec, vecc); - } - - if (reading) { - - // - // We need to close our instance of the inherited pipe write - // handle now that it's been inherited so that it will actually close - // when the child process ends. - // - - if (_close(pipes[NtPipeWrite]) == -1) { - _close(pipes[NtPipeRead]); - return NULL; - } - if (_dup2 (saved, fileno(stdout)) == -1) { - _close(pipes[NtPipeRead]); - return NULL; - } - _close(saved); - - // - // Now get a stream pointer to return to the calling program. - // - - if ((fp = (FILE *) fdopen(pipes[NtPipeRead], mode)) == NULL) { - return NULL; - } - } - else { - - // - // need to close our read end of the pipe so that it will go - // away when the write end is closed. - // - - if (_close(pipes[NtPipeRead]) == -1) { - _close(pipes[NtPipeWrite]); - return NULL; - } - if (_dup2 (saved, fileno(stdin)) == -1) { - _close(pipes[NtPipeWrite]); - return NULL; - } - _close(saved); - - // - // Now get a stream pointer to return to the calling program. - // - - if ((fp = (FILE *) fdopen(pipes[NtPipeWrite], mode)) == NULL) { - _close(pipes[NtPipeWrite]); - return NULL; - } - } - - // - // do the book keeping - // - - MyPopenRecord[slot].inuse = TRUE; - MyPopenRecord[slot].pipe = fp; - MyPopenRecord[slot].pid = pid; - - return fp; -#else - { - int p[2]; - - BOOL fRet; - HANDLE hInFile, hOutFile, hStdin, hStdout; - LPCSTR lpApplicationName = NULL; - LPTSTR lpCommandLine; - LPTSTR lpCmd2 = NULL; - DWORD dwCreationFlags; - STARTUPINFO aStartupInfo; - PROCESS_INFORMATION aProcessInformation; - SECURITY_ATTRIBUTES sa; - int fd; - - sa.nLength = sizeof (SECURITY_ATTRIBUTES); - sa.lpSecurityDescriptor = NULL; - sa.bInheritHandle = TRUE; - - if (!reading) { - FILE *fp; - - fp = (_popen)(cmd, mode); - - MyPopenRecord[slot].inuse = TRUE; - MyPopenRecord[slot].pipe = fp; - MyPopenRecord[slot].pid = -1; - - if (!fp) - Fatal("cannot open pipe \"%s\" (%s)", cmd, strerror(errno)); - return fp; - } - - - fRet = CreatePipe(&hInFile, &hOutFile, &sa, 2048L); - if (!fRet) - Fatal("cannot open pipe \"%s\" (%s)", cmd, strerror(errno)); - - memset(&aStartupInfo, 0, sizeof (STARTUPINFO)); - memset(&aProcessInformation, 0, sizeof (PROCESS_INFORMATION)); - aStartupInfo.cb = sizeof (STARTUPINFO); - aStartupInfo.dwFlags = STARTF_USESTDHANDLES; - - if (reading) { - aStartupInfo.hStdInput = GetStdHandle(STD_OUTPUT_HANDLE);//hStdin; - aStartupInfo.hStdError = INVALID_HANDLE_VALUE; - //for save - DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_OUTPUT_HANDLE), - GetCurrentProcess(), &hStdout, - 0, FALSE, DUPLICATE_SAME_ACCESS - ); - //for redirect - DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_INPUT_HANDLE), - GetCurrentProcess(), &hStdin, - 0, TRUE, DUPLICATE_SAME_ACCESS - ); - aStartupInfo.hStdOutput = hOutFile; - } - else { - aStartupInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE); //hStdout; - aStartupInfo.hStdError = INVALID_HANDLE_VALUE; - // for save - DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_INPUT_HANDLE), - GetCurrentProcess(), &hStdin, - 0, FALSE, DUPLICATE_SAME_ACCESS - ); - //for redirect - DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_OUTPUT_HANDLE), - GetCurrentProcess(), &hStdout, - 0, TRUE, DUPLICATE_SAME_ACCESS - ); - aStartupInfo.hStdInput = hInFile; - } - - dwCreationFlags = (NORMAL_PRIORITY_CLASS); - - lpCommandLine = cmd; - if (NtHasRedirection(cmd) || isInternalCmd(cmd)) { - lpApplicationName = getenv("COMSPEC"); - lpCmd2 = malloc(strlen(lpApplicationName) + 1 + strlen(cmd) + sizeof (" /c ")); - if (lpCmd2 == NULL) - Fatal("Mypopen: malloc failed"); - sprintf(lpCmd2, "%s %s%s", lpApplicationName, " /c ", cmd); - lpCommandLine = lpCmd2; - } - - fRet = CreateProcess(lpApplicationName, lpCommandLine, &sa, &sa, - sa.bInheritHandle, dwCreationFlags, NULL, NULL, &aStartupInfo, &aProcessInformation); - - if (!fRet) { - CloseHandle(hInFile); - CloseHandle(hOutFile); - Fatal("cannot fork for \"%s\" (%s)", cmd, strerror(errno)); - } - - CloseHandle(aProcessInformation.hThread); - - if (reading) { - HANDLE hDummy; - - fd = _open_osfhandle((long)hInFile, (_O_RDONLY | pipemode)); - CloseHandle(hOutFile); - DuplicateHandle(GetCurrentProcess(), hStdout, - GetCurrentProcess(), &hDummy, - 0, TRUE, (DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE) - ); - } - else { - HANDLE hDummy; - - fd = _open_osfhandle((long)hOutFile, (_O_WRONLY | pipemode)); - CloseHandle(hInFile); - DuplicateHandle(GetCurrentProcess(), hStdin, - GetCurrentProcess(), &hDummy, - 0, TRUE, (DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE) - ); - } - - if (fd == -1) - Fatal("cannot open pipe \"%s\" (%s)", cmd, strerror(errno)); - - - if ((fp = (FILE *) fdopen(fd, mode)) == NULL) - return NULL; - - if (lpCmd2) - free(lpCmd2); - - MyPopenRecord[slot].inuse = TRUE; - MyPopenRecord[slot].pipe = fp; - MyPopenRecord[slot].oshandle = (reading ? hInFile : hOutFile); - MyPopenRecord[slot].pid = (int)aProcessInformation.hProcess; - return fp; - } -#endif -} - -int -mypclose(FILE *fp) -{ - int i; - int exitcode; - - Sleep(100); - for (i = 0; i < MYPOPENSIZE; i++) { - if (MyPopenRecord[i].inuse && MyPopenRecord[i].pipe == fp) - break; - } - if (i >= MYPOPENSIZE) { - Fatal("Invalid file pointer passed to mypclose!\n"); - } - - // - // get the return status of the process - // - -#if 0 - if (_cwait(&exitcode, MyPopenRecord[i].pid, WAIT_CHILD) == -1) { - if (errno == ECHILD) { - fprintf(stderr, "mypclose: nosuch child as pid %x\n", - MyPopenRecord[i].pid); - } - } -#else - for (;;) { - if (GetExitCodeProcess((HANDLE)MyPopenRecord[i].pid, &exitcode)) { - if (exitcode == STILL_ACTIVE) { - //printf("Process is Active.\n"); - Sleep(100); - TerminateProcess((HANDLE)MyPopenRecord[i].pid, 0); // ugly... - continue; - } - else if (exitcode == 0) { - //printf("done.\n"); - break; - } - else { - //printf("never.\n"); - break; - } - } - } -#endif - - - // - // close the pipe - // - CloseHandle(MyPopenRecord[i].oshandle); - fflush(fp); - fclose(fp); - - // - // free this slot - // - - MyPopenRecord[i].inuse = FALSE; - MyPopenRecord[i].pipe = NULL; - MyPopenRecord[i].pid = 0; - - return exitcode; -} -#endif - -#if 1 - - -typedef char* CHARP; -/* - * The following code is based on the do_exec and do_aexec functions - * in file doio.c - */ - -int -do_spawn(cmd) -char *cmd; -{ - register char **a; - register char *s; - char **argv; - int status; - char *shell, *cmd2; - int mode = NtSyncProcess ? P_WAIT : P_NOWAIT; - - /* save an extra exec if possible */ - if ((shell = getenv("RUBYSHELL")) != 0) { - if (NtHasRedirection(cmd)) { - int i; - char *p; - char *argv[4]; - char *cmdline = ALLOC_N(char, (strlen(cmd) * 2 + 1)); - - p=cmdline; - *p++ = '"'; - for (s=cmd; *s;) { - if (*s == '"') - *p++ = '\\'; /* Escape d-quote */ - *p++ = *s++; - } - *p++ = '"'; - *p = '\0'; - - /* fprintf(stderr, "do_spawn: %s %s\n", shell, cmdline); */ - argv[0] = shell; - argv[1] = "-c"; - argv[2] = cmdline; - argv[4] = NULL; - status = spawnvpe(mode, argv[0], argv, environ); - /* return spawnle(mode, shell, shell, "-c", cmd, (char*)0, environ); */ - free(cmdline); - return status; - } - } - else if ((shell = getenv("COMSPEC")) != 0) { - if (NtHasRedirection(cmd) /* || isInternalCmd(cmd) */) { - do_comspec_shell: - return spawnle(mode, shell, shell, "/c", cmd, (char*)0, environ); - } - } - - argv = ALLOC_N(CHARP, (strlen(cmd) / 2 + 2)); - cmd2 = ALLOC_N(char, (strlen(cmd) + 1)); - strcpy(cmd2, cmd); - a = argv; - for (s = cmd2; *s;) { - while (*s && isspace(*s)) s++; - if (*s) - *(a++) = s; - while (*s && !isspace(*s)) s++; - if (*s) - *s++ = '\0'; - } - *a = NULL; - if (argv[0]) { - if ((status = spawnvpe(mode, argv[0], argv, environ)) == -1) { - free(argv); - free(cmd2); - return -1; - } - } - free(cmd2); - free(argv); - return status; -} - -#endif - -typedef struct _NtCmdLineElement { - struct _NtCmdLineElement *next, *prev; - char *str; - int len; - int flags; -} NtCmdLineElement; - -// -// Possible values for flags -// - -#define NTGLOB 0x1 // element contains a wildcard -#define NTMALLOC 0x2 // string in element was malloc'ed -#define NTSTRING 0x4 // element contains a quoted string - -NtCmdLineElement *NtCmdHead = NULL, *NtCmdTail = NULL; - -void -NtFreeCmdLine(void) -{ - NtCmdLineElement *ptr; - - while(NtCmdHead) { - ptr = NtCmdHead; - NtCmdHead = NtCmdHead->next; - free(ptr); - } - NtCmdHead = NtCmdTail = NULL; -} - -// -// This function expands wild card characters that were spotted -// during the parse phase. The idea here is to call FindFirstFile and -// FindNextFile with the wildcard pattern specified, and splice in the -// resulting list of new names. If the wildcard pattern doesn\'t match -// any existing files, just leave it in the list. -// - -void -NtCmdGlob (NtCmdLineElement *patt) -{ - WIN32_FIND_DATA fd; - HANDLE fh; - char buffer[512]; - NtCmdLineElement *tmphead, *tmptail, *tmpcurr; - - strncpy(buffer, patt->str, patt->len); - buffer[patt->len] = '\0'; - if ((fh = FindFirstFile (buffer, &fd)) == INVALID_HANDLE_VALUE) { - return; - } - tmphead = tmptail = NULL; - do { - tmpcurr = ALLOC(NtCmdLineElement); - if (tmpcurr == NULL) { - fprintf(stderr, "Out of Memory in globbing!\n"); - while (tmphead) { - tmpcurr = tmphead; - tmphead = tmphead->next; - free(tmpcurr->str); - free(tmpcurr); - } - return; - } - memset (tmpcurr, 0, sizeof(*tmpcurr)); - tmpcurr->len = strlen(fd.cFileName); - tmpcurr->str = ALLOC_N(char, tmpcurr->len+1); - if (tmpcurr->str == NULL) { - fprintf(stderr, "Out of Memory in globbing!\n"); - while (tmphead) { - tmpcurr = tmphead; - tmphead = tmphead->next; - free(tmpcurr->str); - free(tmpcurr); - } - return; - } - strcpy(tmpcurr->str, fd.cFileName); - tmpcurr->flags |= NTMALLOC; - if (tmptail) { - tmptail->next = tmpcurr; - tmpcurr->prev = tmptail; - tmptail = tmpcurr; - } - else { - tmptail = tmphead = tmpcurr; - } - } while(FindNextFile(fh, &fd)); - - // - // ok, now we\'ve got a list of files that matched the wildcard - // specification. Put it in place of the pattern structure. - // - - tmphead->prev = patt->prev; - tmptail->next = patt->next; - - if (tmphead->prev) - tmphead->prev->next = tmphead; - - if (tmptail->next) - tmptail->next->prev = tmptail; - - // - // Now get rid of the pattern structure - // - - if (patt->flags & NTMALLOC) - free(patt->str); - // free(patt); //TODO: memory leak occures here. we have to fix it. -} - -// -// Check a command string to determine if it has I/O redirection -// characters that require it to be executed by a command interpreter -// - -static bool -NtHasRedirection (char *cmd) -{ - int inquote = 0; - char quote = '\0'; - char *ptr ; - - // - // Scan the string, looking for redirection (< or >) or pipe - // characters (|) that are not in a quoted string - // - - for (ptr = cmd; *ptr; ptr++) { - - switch (*ptr) { - - case '\'': - case '\"': - if (inquote) { - if (quote == *ptr) { - inquote = 0; - quote = '\0'; - } - } - else { - quote = *ptr; - inquote++; - } - break; - - case '>': - case '<': - - if (!inquote) - return TRUE; - } - } - return FALSE; -} - - -int -NtMakeCmdVector (char *cmdline, char ***vec, int InputCmd) -{ - int cmdlen = strlen(cmdline); - int done, instring, globbing, quoted, len; - int newline, need_free = 0, i; - int elements, strsz; - int slashes = 0; - char *ptr, *base, *buffer; - char **vptr; - char quote; - NtCmdLineElement *curr; - - // - // just return if we don\'t have a command line - // - - if (cmdlen == 0) { - *vec = NULL; - return 0; - } - - // - // strip trailing white space - // - - ptr = cmdline+(cmdlen - 1); - while(ptr >= cmdline && isspace(*ptr)) - --ptr; - *++ptr = '\0'; - - // - // check for newlines and formfeeds. If we find any, make a new - // command string that replaces them with escaped sequences (\n or \f) - // - - for (ptr = cmdline, newline = 0; *ptr; ptr++) { - if (*ptr == '\n' || *ptr == '\f') - newline++; - } - - if (newline) { - base = ALLOC_N(char, strlen(cmdline) + 1 + newline + slashes); - if (base == NULL) { - fprintf(stderr, "malloc failed!\n"); - return 0; - } - for (i = 0, ptr = base; (unsigned) i < strlen(cmdline); i++) { - switch (cmdline[i]) { - case '\n': - *ptr++ = '\\'; - *ptr++ = 'n'; - break; - default: - *ptr++ = cmdline[i]; - } - } - *ptr = '\0'; - cmdline = base; - need_free++; - } - - // - // Ok, parse the command line, building a list of CmdLineElements. - // When we\'ve finished, and it\'s an input command (meaning that it\'s - // the processes argv), we\'ll do globing and then build the argument - // vector. - // The outer loop does one interation for each element seen. - // The inner loop does one interation for each character in the element. - // - - for (done = 0, ptr = cmdline; *ptr;) { - - // - // zap any leading whitespace - // - - while(isspace(*ptr)) - ptr++; - base = ptr; - - for (done = newline = globbing = instring = quoted = 0; - *ptr && !done; ptr++) { - - // - // Switch on the current character. We only care about the - // white-space characters, the wild-card characters, and the - // quote characters. - // - - switch (*ptr) { - case ' ': - case '\t': -#if 0 - case '/': // have to do this for NT/DOS option strings - - // - // check to see if we\'re parsing an option switch - // - - if (*ptr == '/' && base == ptr) - continue; -#endif - // - // if we\'re not in a string, then we\'re finished with this - // element - // - - if (!instring) - done++; - break; - - case '*': - case '?': - - // - // record the fact that this element has a wildcard character - // N.B. Don\'t glob if inside a single quoted string - // - - if (!(instring && quote == '\'')) - globbing++; - break; - - case '\n': - - // - // If this string contains a newline, mark it as such so - // we can replace it with the two character sequence "\n" - // (cmd.exe doesn\'t like raw newlines in strings...sigh). - // - - newline++; - break; - - case '\'': - case '\"': - - // - // if we\'re already in a string, see if this is the - // terminating close-quote. If it is, we\'re finished with - // the string, but not neccessarily with the element. - // If we\'re not already in a string, start one. - // - - if (instring) { - if (quote == *ptr) { - instring = 0; - quote = '\0'; - } - } - else { - instring++; - quote = *ptr; - quoted++; - } - break; - } - } - - // - // need to back up ptr by one due to last increment of for loop - // (if we got out by seeing white space) - // - - if (*ptr) - ptr--; - - // - // when we get here, we\'ve got a pair of pointers to the element, - // base and ptr. Base points to the start of the element while ptr - // points to the character following the element. - // - - curr = ALLOC(NtCmdLineElement); - if (curr == NULL) { - NtFreeCmdLine(); - fprintf(stderr, "Out of memory!!\n"); - *vec = NULL; - return 0; - } - memset (curr, 0, sizeof(*curr)); - - len = ptr - base; - - // - // if it\'s an input vector element and it\'s enclosed by quotes, - // we can remove them. - // - - if (InputCmd && - ((base[0] == '\"' && base[len-1] == '\"') || - (base[0] == '\'' && base[len-1] == '\''))) { - base++; - len -= 2; - } - - curr->str = base; - curr->len = len; - curr->flags |= (globbing ? NTGLOB : 0); - - // - // Now put it in the list of elements - // - if (NtCmdTail) { - NtCmdTail->next = curr; - curr->prev = NtCmdTail; - NtCmdTail = curr; - } - else { - NtCmdHead = NtCmdTail = curr; - } - } - - if (InputCmd) { - - // - // When we get here we\'ve finished parsing the command line. Now - // we need to run the list, expanding any globbing patterns. - // - - for(curr = NtCmdHead; curr; curr = curr->next) { - if (curr->flags & NTGLOB) { - NtCmdGlob(curr); - } - } - } - - // - // Almost done! - // Count up the elements, then allocate space for a vector of pointers - // (argv) and a string table for the elements. - // - - for (elements = 0, strsz = 0, curr = NtCmdHead; curr; curr = curr->next) { - elements++; - strsz += (curr->len + 1); - } - - len = (elements+1)*sizeof(char *) + strsz; - buffer = ALLOC_N(char, len); - if (buffer == NULL) { - fprintf(stderr, "Out of memory!!\n"); - NtFreeCmdLine(); - *vec = NULL; - return 0; - } - - memset (buffer, 0, len); - - // - // make vptr point to the start of the buffer - // and ptr point to the area we\'ll consider the string table. - // - // buffer (*vec) - // | - // V ^---------------------V - // +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ - // | | | .... | NULL | | ..... |\0 | | ..... |\0 |... - // +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ - // |- elements+1 -| ^ 1st element ^ 2nd element - - vptr = (char **) buffer; - - ptr = buffer + (elements+1) * sizeof(char *); - - for (curr = NtCmdHead; curr; curr = curr->next) { - strncpy (ptr, curr->str, curr->len); - ptr[curr->len] = '\0'; - *vptr++ = ptr; - ptr += curr->len + 1; - } - NtFreeCmdLine(); - *vec = (char **) buffer; - return elements; -} - - -#if 1 -// -// UNIX compatible directory access functions for NT -// - -// -// File names are converted to lowercase if the -// CONVERT_TO_LOWER_CASE variable is defined. -// - -#define CONVERT_TO_LOWER_CASE -#define PATHLEN 1024 - -// -// The idea here is to read all the directory names into a string table -// (separated by nulls) and when one of the other dir functions is called -// return the pointer to the current file name. -// - -DIR * -opendir(char *filename) -{ - DIR *p; - long len; - long idx; - char scannamespc[PATHLEN]; - char *scanname = scannamespc; - struct stat sbuf; - WIN32_FIND_DATA FindData; - HANDLE fh; - char root[PATHLEN]; - char volname[PATHLEN]; - DWORD serial, maxname, flags; - BOOL downcase; - char *dummy; - - // - // check to see if we\'ve got a directory - // - - if (stat (filename, &sbuf) < 0 || - sbuf.st_mode & _S_IFDIR == 0) { - return NULL; - } - - // - // check out the file system characteristics - // - if (GetFullPathName(filename, PATHLEN, root, &dummy)) { - if (dummy = strchr(root, '\\')) - *++dummy = '\0'; - if (GetVolumeInformation(root, volname, PATHLEN, - &serial, &maxname, &flags, 0, 0)) { - downcase = !(flags & FS_CASE_SENSITIVE); - } - } - else { - downcase = TRUE; - } - - // - // Get us a DIR structure - // - - p = xcalloc(sizeof(DIR), 1); - if (p == NULL) - return NULL; - - // - // Create the search pattern - // - - strcpy(scanname, filename); - - if (index("/\\", *(scanname + strlen(scanname) - 1)) == NULL) - strcat(scanname, "/*"); - else - strcat(scanname, "*"); - - // - // do the FindFirstFile call - // - - fh = FindFirstFile (scanname, &FindData); - if (fh == INVALID_HANDLE_VALUE) { - return NULL; - } - - // - // now allocate the first part of the string table for the - // filenames that we find. - // - - idx = strlen(FindData.cFileName)+1; - p->start = ALLOC_N(char, idx); - strcpy (p->start, FindData.cFileName); - if (downcase) - strlwr(p->start); - p->nfiles++; - - // - // loop finding all the files that match the wildcard - // (which should be all of them in this directory!). - // the variable idx should point one past the null terminator - // of the previous string found. - // - while (FindNextFile(fh, &FindData)) { - len = strlen (FindData.cFileName); - - // - // bump the string table size by enough for the - // new name and it's null terminator - // - - #define Renew(x, y, z) (x = (z *)realloc(x, y)) - - Renew (p->start, idx+len+1, char); - if (p->start == NULL) { - Fatal ("opendir: malloc failed!\n"); - } - strcpy(&p->start[idx], FindData.cFileName); - if (downcase) - strlwr(&p->start[idx]); - p->nfiles++; - idx += len+1; - } - FindClose(fh); - p->size = idx; - p->curr = p->start; - return p; -} - - -// -// Readdir just returns the current string pointer and bumps the -// string pointer to the next entry. -// - -struct direct * -readdir(DIR *dirp) -{ - int len; - static int dummy = 0; - - if (dirp->curr) { - - // - // first set up the structure to return - // - - len = strlen(dirp->curr); - strcpy(dirp->dirstr.d_name, dirp->curr); - dirp->dirstr.d_namlen = len; - - // - // Fake inode - // - dirp->dirstr.d_ino = dummy++; - - // - // Now set up for the next call to readdir - // - - dirp->curr += len + 1; - if (dirp->curr >= (dirp->start + dirp->size)) { - dirp->curr = NULL; - } - - return &(dirp->dirstr); - - } else - return NULL; -} - -// -// Telldir returns the current string pointer position -// - -long -telldir(DIR *dirp) -{ - return (long) dirp->curr; /* ouch! pointer to long cast */ -} - -// -// Seekdir moves the string pointer to a previously saved position -// (Saved by telldir). - -void -seekdir(DIR *dirp, long loc) -{ - dirp->curr = (char *) loc; /* ouch! long to pointer cast */ -} - -// -// Rewinddir resets the string pointer to the start -// - -void -rewinddir(DIR *dirp) -{ - dirp->curr = dirp->start; -} - -// -// This just free\'s the memory allocated by opendir -// - -void -closedir(DIR *dirp) -{ - free(dirp->start); - free(dirp); -} -#endif - - -// -// 98.2% of this code was lifted from the OS2 port. (JCW) -// - -#if 0 -// add_suffix is in util.c too. -/* - * Suffix appending for in-place editing under MS-DOS and OS/2 (and now NT!). - * - * Here are the rules: - * - * Style 0: Append the suffix exactly as standard perl would do it. - * If the filesystem groks it, use it. (HPFS will always - * grok it. So will NTFS. FAT will rarely accept it.) - * - * Style 1: The suffix begins with a '.'. The extension is replaced. - * If the name matches the original name, use the fallback method. - * - * Style 2: The suffix is a single character, not a '.'. Try to add the - * suffix to the following places, using the first one that works. - * [1] Append to extension. - * [2] Append to filename, - * [3] Replace end of extension, - * [4] Replace end of filename. - * If the name matches the original name, use the fallback method. - * - * Style 3: Any other case: Ignore the suffix completely and use the - * fallback method. - * - * Fallback method: Change the extension to ".$$$". If that matches the - * original name, then change the extension to ".~~~". - * - * If filename is more than 1000 characters long, we die a horrible - * death. Sorry. - * - * The filename restriction is a cheat so that we can use buf[] to store - * assorted temporary goo. - * - * Examples, assuming style 0 failed. - * - * suffix = ".bak" (style 1) - * foo.bar => foo.bak - * foo.bak => foo.$$$ (fallback) - * foo.$$$ => foo.~~~ (fallback) - * makefile => makefile.bak - * - * suffix = "~" (style 2) - * foo.c => foo.c~ - * foo.c~ => foo.c~~ - * foo.c~~ => foo~.c~~ - * foo~.c~~ => foo~~.c~~ - * foo~~~~~.c~~ => foo~~~~~.$$$ (fallback) - * - * foo.pas => foo~.pas - * makefile => makefile.~ - * longname.fil => longname.fi~ - * longname.fi~ => longnam~.fi~ - * longnam~.fi~ => longnam~.$$$ - * - */ - - -static char suffix1[] = ".$$$"; -static char suffix2[] = ".~~~"; - -#define ext (&buf[1000]) - -#define strEQ(s1,s2) (strcmp(s1,s2) == 0) - -void -add_suffix(struct RString *str, char *suffix) -{ - int baselen; - int extlen = strlen(suffix); - char *s, *t, *p; - int slen; - char buf[1024]; - - if (str->len > 1000) - Fatal("Cannot do inplace edit on long filename (%d characters)", str->len); - - /* Style 0 */ - slen = str->len; - str_cat(str, suffix, extlen); - if (valid_filename(str->ptr)) return; - - /* Fooey, style 0 failed. Fix str before continuing. */ - str->ptr[str->len = slen] = '\0'; - - slen = extlen; - t = buf; baselen = 0; s = str->ptr; - while ( (*t = *s) && *s != '.') { - baselen++; - if (*s == '\\' || *s == '/') baselen = 0; - s++; t++; - } - p = t; - - t = ext; extlen = 0; - while (*t++ = *s++) extlen++; - if (extlen == 0) { ext[0] = '.'; ext[1] = 0; extlen++; } - - if (*suffix == '.') { /* Style 1 */ - if (strEQ(ext, suffix)) goto fallback; - strcpy(p, suffix); - } else if (suffix[1] == '\0') { /* Style 2 */ - if (extlen < 4) { - ext[extlen] = *suffix; - ext[++extlen] = '\0'; - } else if (baselen < 8) { - *p++ = *suffix; - } else if (ext[3] != *suffix) { - ext[3] = *suffix; - } else if (buf[7] != *suffix) { - buf[7] = *suffix; - } else goto fallback; - strcpy(p, ext); - } else { /* Style 3: Panic */ -fallback: - (void)memcpy(p, strEQ(ext, suffix1) ? suffix2 : suffix1, 5); - } - str_grow(str, strlen(buf)); - memcpy(str->ptr, buf, str->len); -} -#endif - -static int -valid_filename(char *s) -{ - int fd; - - // - // if the file exists, then it\'s a valid filename! - // - - if (_access(s, 0) == 0) { - return 1; - } - - // - // It doesn\'t exist, so see if we can open it. - // - - if ((fd = _open(s, _O_CREAT, 0666)) >= 0) { - close(fd); - _unlink (s); // don\'t leave it laying around - return 1; - } - return 0; -} - - -// -// This is a clone of fdopen so that we can handle the -// brain damaged version of sockets that NT gets to use. -// -// The problem is that sockets are not real file handles and -// cannot be fdopen\'ed. This causes problems in the do_socket -// routine in doio.c, since it tries to create two file pointers -// for the socket just created. We\'ll fake out an fdopen and see -// if we can prevent perl from trying to do stdio on sockets. -// - -FILE * -fdopen (int fd, const char *mode) -{ - FILE *fp; - char sockbuf[80]; - int optlen; - int retval; - extern int errno; - - retval = getsockopt((SOCKET)fd, SOL_SOCKET, SO_TYPE, sockbuf, &optlen); - if (retval == SOCKET_ERROR) { - int iRet; - - iRet = WSAGetLastError(); - if (iRet == WSAENOTSOCK || iRet == WSANOTINITIALISED) - return (_fdopen(fd, mode)); - } - - // - // If we get here, then fd is actually a socket. - // - fp = xcalloc(sizeof(FILE), 1); -#if _MSC_VER < 800 - fileno(fp) = fd; -#else - fp->_file = fd; -#endif - if (*mode == 'r') - fp->_flag = _IOREAD; - else - fp->_flag = _IOWRT; - return fp; -} - - -// -// Since the errors returned by the socket error function -// WSAGetLastError() are not known by the library routine strerror -// we have to roll our own. -// - -#undef strerror - -char * -mystrerror(int e) -{ - static char buffer[512]; - extern int sys_nerr; - DWORD source = 0; - - if (e < 0 || e > sys_nerr) { - if (e < 0) - e = GetLastError(); - if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0, - buffer, 512, NULL) == 0) { - strcpy (buffer, "Unknown Error"); - } - return buffer; - } - return strerror(e); - -} - -// -// various stubs -// - - -// Ownership -// -// Just pretend that everyone is a superuser. NT will let us know if -// we don\'t really have permission to do something. -// - -#define ROOT_UID 0 -#define ROOT_GID 0 - -UIDTYPE -getuid(void) -{ - return ROOT_UID; -} - -UIDTYPE -geteuid(void) -{ - return ROOT_UID; -} - -GIDTYPE -getgid(void) -{ - return ROOT_GID; -} - -GIDTYPE -getegid(void) -{ - return ROOT_GID; -} - -int -setuid(int uid) -{ - return (uid == ROOT_UID ? 0 : -1); -} - -int -setgid(int gid) -{ - return (gid == ROOT_GID ? 0 : -1); -} - -// -// File system stuff -// - -int -/* ioctl(int i, unsigned int u, char *data) */ -ioctl(int i, unsigned int u, long data) -{ - return -1; -} - - -// -// Networking trampolines -// These are used to avoid socket startup/shutdown overhead in case -// the socket routines aren\'t used. -// - -#undef select - -static int NtSocketsInitialized = 0; - -long -myselect (int nfds, fd_set *rd, fd_set *wr, fd_set *ex, - struct timeval *timeout) -{ - long r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = select (nfds, rd, wr, ex, timeout)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -static void -StartSockets () { - WORD version; - WSADATA retdata; - int ret; - - // - // initalize the winsock interface and insure that it\'s - // cleaned up at exit. - // - version = MAKEWORD(1, 1); - if (ret = WSAStartup(version, &retdata)) - Fatal ("Unable to locate winsock library!\n"); - if (LOBYTE(retdata.wVersion) != 1) - Fatal("could not find version 1 of winsock dll\n"); - - if (HIBYTE(retdata.wVersion) != 1) - Fatal("could not find version 1 of winsock dll\n"); - - atexit((void (*)(void)) WSACleanup); -} - -#undef accept - -SOCKET -myaccept (SOCKET s, struct sockaddr *addr, int *addrlen) -{ - SOCKET r; - - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = accept (s, addr, addrlen)) == INVALID_SOCKET) - errno = WSAGetLastError(); - return r; -} - -#undef bind - -int -mybind (SOCKET s, struct sockaddr *addr, int addrlen) -{ - int r; - - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = bind (s, addr, addrlen)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef connect - -int -myconnect (SOCKET s, struct sockaddr *addr, int addrlen) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = connect (s, addr, addrlen)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - - -#undef getpeername - -int -mygetpeername (SOCKET s, struct sockaddr *addr, int *addrlen) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = getpeername (s, addr, addrlen)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef getsockname - -int -mygetsockname (SOCKET s, struct sockaddr *addr, int *addrlen) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = getsockname (s, addr, addrlen)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef getsockopt - -int -mygetsockopt (SOCKET s, int level, int optname, char *optval, int *optlen) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = getsockopt (s, level, optname, optval, optlen)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef ioctlsocket - -int -myioctlsocket (SOCKET s, long cmd, u_long *argp) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = ioctlsocket (s, cmd, argp)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef listen - -int -mylisten (SOCKET s, int backlog) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = listen (s, backlog)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef recv - -int -myrecv (SOCKET s, char *buf, int len, int flags) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = recv (s, buf, len, flags)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef recvfrom - -int -myrecvfrom (SOCKET s, char *buf, int len, int flags, - struct sockaddr *from, int *fromlen) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = recvfrom (s, buf, len, flags, from, fromlen)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef send - -int -mysend (SOCKET s, char *buf, int len, int flags) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = send (s, buf, len, flags)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef sendto - -int -mysendto (SOCKET s, char *buf, int len, int flags, - struct sockaddr *to, int tolen) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = sendto (s, buf, len, flags, to, tolen)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef setsockopt - -int -mysetsockopt (SOCKET s, int level, int optname, char *optval, int optlen) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = setsockopt (s, level, optname, optval, optlen)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef shutdown - -int -myshutdown (SOCKET s, int how) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = shutdown (s, how)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef socket - -SOCKET -mysocket (int af, int type, int protocol) -{ - SOCKET s; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((s = socket (af, type, protocol)) == INVALID_SOCKET) - errno = WSAGetLastError(); - return s; -} - -#undef gethostbyaddr - -struct hostent * -mygethostbyaddr (char *addr, int len, int type) -{ - struct hostent *r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = gethostbyaddr (addr, len, type)) == NULL) - errno = WSAGetLastError(); - return r; -} - -#undef gethostbyname - -struct hostent * -mygethostbyname (char *name) -{ - struct hostent *r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = gethostbyname (name)) == NULL) - errno = WSAGetLastError(); - return r; -} - -#undef gethostname - -int -mygethostname (char *name, int len) -{ - int r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = gethostname (name, len)) == SOCKET_ERROR) - errno = WSAGetLastError(); - return r; -} - -#undef getprotobyname - -struct protoent * -mygetprotobyname (char *name) -{ - struct protoent *r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = getprotobyname (name)) == NULL) - errno = WSAGetLastError(); - return r; -} - -#undef getprotobynumber - -struct protoent * -mygetprotobynumber (int num) -{ - struct protoent *r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = getprotobynumber (num)) == NULL) - errno = WSAGetLastError(); - return r; -} - -#undef getservbyname - -struct servent * -mygetservbyname (char *name, char *proto) -{ - struct servent *r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = getservbyname (name, proto)) == NULL) - errno = WSAGetLastError(); - return r; -} - -#undef getservbyport - -struct servent * -mygetservbyport (int port, char *proto) -{ - struct servent *r; - if (!NtSocketsInitialized++) { - StartSockets(); - } - if ((r = getservbyport (port, proto)) == NULL) - errno = WSAGetLastError(); - return r; -} - -// -// Networking stubs -// - -void endhostent() {} -void endnetent() {} -void endprotoent() {} -void endservent() {} - -struct netent *getnetent (void) {return (struct netent *) NULL;} - -struct netent *getnetbyaddr(char *name) {return (struct netent *)NULL;} - -struct netent *getnetbyname(long net, int type) {return (struct netent *)NULL;} - -struct protoent *getprotoent (void) {return (struct protoent *) NULL;} - -struct servent *getservent (void) {return (struct servent *) NULL;} - -void sethostent (int stayopen) {} - -void setnetent (int stayopen) {} - -void setprotoent (int stayopen) {} - -void setservent (int stayopen) {} - - -#ifndef WNOHANG -#define WNOHANG -1 -#endif - -pid_t -waitpid (pid_t pid, int *stat_loc, int options) -{ - DWORD timeout; - - if (options == WNOHANG) { - timeout = 0; - } else { - timeout = INFINITE; - } - if (WaitForSingleObject((HANDLE) pid, timeout) == WAIT_OBJECT_0) { - pid = _cwait(stat_loc, pid, 0); - return pid; - } - return 0; -} - -#include - -void _cdecl -gettimeofday(struct timeval *tv, struct timezone *tz) -{ - struct timeb tb; - - ftime(&tb); - tv->tv_sec = tb.time; - tv->tv_usec = tb.millitm * 1000; -} - -char * -getcwd(buffer, size) - char *buffer; - int size; -{ - int length; - char *bp; - - if (_getcwd(buffer, size) == NULL) { - return NULL; - } - length = strlen(buffer); - if (length >= size) { - return NULL; - } - - for (bp = buffer; *bp != '\0'; bp++) { - if (*bp == '\\') { - *bp = '/'; - } - } - return buffer; -} - -static char * -str_grow(struct RString *str, size_t new_size) -{ - char *p; - - p = realloc(str->ptr, new_size); - if (p == NULL) - Fatal("cannot grow string\n"); - - str->len = new_size; - str->ptr = p; - - return p; -} - -int -chown(char *path, int owner, int group) -{ - return 0; -} - -int -kill(int pid, int sig) -{ -#if 1 - if (pid == GetCurrentProcessId()) - return raise(sig); - - if (sig == 2 && pid > 0) - if (GenerateConsoleCtrlEvent(CTRL_C_EVENT, (DWORD)pid)) - return 0; - - return -1; -#else - return 0; -#endif -} - -int -link(char *from, char *to) -{ - return -1; -} - -int -wait() -{ - return 0; -} - +/* + * Copyright (c) 1993, Intergraph Corporation + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the perl README file. + * + * Various Unix compatibility functions and NT specific functions. + * + * Some of this code was derived from the MSDOS port(s) and the OS/2 port. + * + */ + +#include "ruby.h" +#include +#include +#include +/* #include */ +#include +#include +#include +#include + +#include +#include +#include +#include "nt.h" +#include "dir.h" +#ifndef index +#define index(x, y) strchr((x), (y)) +#endif + +#ifndef bool +#define bool int +#endif + +bool NtSyncProcess = TRUE; +#if 0 // declared in header file +extern char **environ; +#define environ _environ +#endif + +static bool NtHasRedirection (char *); +static int valid_filename(char *s); +static void StartSockets (); +static char *str_grow(struct RString *str, size_t new_size); + +char *NTLoginName; + +DWORD Win32System = (DWORD)-1; + +static DWORD +IdOS(void) +{ + static OSVERSIONINFO osver; + + if (osver.dwPlatformId != Win32System) { + memset(&osver, 0, sizeof(OSVERSIONINFO)); + osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&osver); + Win32System = osver.dwPlatformId; + } + return (Win32System); +} + +static int +IsWin95(void) { + return (IdOS() == VER_PLATFORM_WIN32_WINDOWS); +} + +static int +IsWinNT(void) { + return (IdOS() == VER_PLATFORM_WIN32_NT); +} + + +/* simulate flock by locking a range on the file */ + + +#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError())) +#define LK_LEN 0xffff0000 + +int +flock(int fd, int oper) +{ + OVERLAPPED o; + int i = -1; + HANDLE fh; + + fh = (HANDLE)_get_osfhandle(fd); + memset(&o, 0, sizeof(o)); + + if(IsWinNT()) { + switch(oper) { + case LOCK_SH: /* shared lock */ + LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i); + break; + case LOCK_EX: /* exclusive lock */ + LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i); + break; + case LOCK_SH|LOCK_NB: /* non-blocking shared lock */ + LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i); + break; + case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */ + LK_ERR(LockFileEx(fh, + LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY, + 0, LK_LEN, 0, &o),i); + if(errno == EDOM) errno = EWOULDBLOCK; + break; + case LOCK_UN: /* unlock lock */ + if (UnlockFileEx(fh, 0, LK_LEN, 0, &o)) { + i = 0; + } + else { + /* GetLastError() must returns `ERROR_NOT_LOCKED' */ + errno = EWOULDBLOCK; + } + if(errno == EDOM) errno = EWOULDBLOCK; + break; + default: /* unknown */ + errno = EINVAL; + break; + } + } + else if(IsWin95()) { + switch(oper) { + case LOCK_EX: + while(i == -1) { + LK_ERR(LockFile(fh, 0, 0, LK_LEN, 0), i); + if(errno != EDOM && i == -1) break; + } + break; + case LOCK_EX | LOCK_NB: + LK_ERR(LockFile(fh, 0, 0, LK_LEN, 0), i); + if(errno == EDOM) errno = EWOULDBLOCK; + break; + case LOCK_UN: + LK_ERR(UnlockFile(fh, 0, 0, LK_LEN, 0), i); + if(errno == EDOM) errno = EWOULDBLOCK; + break; + default: + errno = EINVAL; + break; + } + } + return i; +} + +#undef LK_ERR +#undef LK_LEN + + +#undef const +FILE *fdopen(int, const char *); + +#if 0 +void +sleep(unsigned int len) +{ + time_t end; + + end = time((time_t *)0) + len; + while (time((time_t *)0) < end) + ; +} +#endif + +// +// Initialization stuff +// +void +NtInitialize(int *argc, char ***argv) { + + WORD version; + int ret; + + // + // subvert cmd.exe\'s feeble attempt at command line parsing + // + *argc = NtMakeCmdVector((char *)GetCommandLine(), argv, TRUE); + + // + // Now set up the correct time stuff + // + + tzset(); + + // Initialize Winsock + // StartSockets(); +} + + +char *getlogin() +{ + char buffer[200]; + int len = 200; + extern char *NTLoginName; + + if (NTLoginName == NULL) { + if (GetUserName(buffer, &len)) { + NTLoginName = ALLOC_N(char, len+1); + strncpy(NTLoginName, buffer, len); + NTLoginName[len] = '\0'; + } + else { + NTLoginName = ""; + } + } + return NTLoginName; +} + + + +#if 1 +// popen stuff + +// +// use these so I can remember which index is which +// + +#define NtPipeRead 0 // index of pipe read descriptor +#define NtPipeWrite 1 // index of pipe write descriptor + +#define NtPipeSize 1024 // size of pipe buffer + +#define MYPOPENSIZE 256 // size of book keeping structure + +struct { + int inuse; + int pid; + HANDLE oshandle; + FILE *pipe; +} MyPopenRecord[MYPOPENSIZE]; + +int SafeFree(char **vec, int vecc) +{ + // vec + // | + // V ^---------------------V + // +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ + // | | | .... | NULL | | ..... |\0 | | ..... |\0 |... + // +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ + // |- elements+1 -| ^ 1st element ^ 2nd element + + char *p; + + p = (char *)(vec - (vecc * sizeof (char *) + 1)); + free(p); + + return 0; +} + + +static char *szInternalCmds[] = { + "cd", + "chdir", + "cls", + "copy", + "date", + "del", + "dir", + "echo", + "erase", + "label", + "md", + "mkdir", + "path", + "rd", + "rem", + "ren", + "rename", + "rmdir", + "set", + "start", + "time", + "type", + "ver", + "vol", +}; + +int +isInternalCmd(char *cmd) +{ + int fRet; + char **vec; + int vecc = NtMakeCmdVector(cmd, &vec, FALSE); + + SafeFree (vec, vecc); + + return 0; +} + + +FILE * +mypopen (char *cmd, char *mode) +{ + FILE *fp; + int saved, reading; + int pipemode; + int pipes[2]; + int pid; + int slot; + static initialized = 0; + + // + // if first time through, intialize our book keeping structure + // + + if (!initialized++) { + for (slot = 0; slot < MYPOPENSIZE; slot++) + MyPopenRecord[slot].inuse = FALSE; + } + + //printf("mypopen %s\n", cmd); + + // + // find a free popen slot + // + + for (slot = 0; slot < MYPOPENSIZE && MyPopenRecord[slot].inuse; slot++) + ; + + if (slot > MYPOPENSIZE) { + return NULL; + } + + // + // Figure out what we\'re doing... + // + + reading = (*mode == 'r') ? TRUE : FALSE; + pipemode = (*(mode+1) == 'b') ? O_BINARY : O_TEXT; + + // + // Now get a pipe + // + +#if 0 + if (_pipe(pipes, NtPipeSize, pipemode) == -1) { + return NULL; + } + + if (reading) { + + // + // we\'re reading from the pipe, so we must hook up the + // write end of the pipe to the new processes stdout. + // To do this we must save our file handle from stdout + // by _dup\'ing it, then setting our stdout to be the pipe\'s + // write descriptor. We must also make the write handle + // inheritable so the new process can use it. + + if ((saved = _dup(fileno(stdout))) == -1) { + _close(pipes[NtPipeRead]); + _close(pipes[NtPipeWrite]); + return NULL; + } + if (_dup2 (pipes[NtPipeWrite], fileno(stdout)) == -1) { + _close(pipes[NtPipeRead]); + _close(pipes[NtPipeWrite]); + return NULL; + } + } + else { + // + // must be writing to the new process. Do the opposite of + // the above, i.e. hook up the processes stdin to the read + // end of the pipe. + // + + if ((saved = _dup(fileno(stdin))) == -1) { + _close(pipes[NtPipeRead]); + _close(pipes[NtPipeWrite]); + return NULL; + } + if (_dup2(pipes[NtPipeRead], fileno(stdin)) == -1) { + _close(pipes[NtPipeRead]); + _close(pipes[NtPipeWrite]); + return NULL; + } + } + + // + // Start the new process. Must set _fileinfo to non-zero value + // for file descriptors to be inherited. Reset after the process + // is started. + // + + if (NtHasRedirection(cmd)) { + docmd: + pid = spawnlpe(_P_NOWAIT, "cmd.exe", "/c", cmd, 0, environ); + if (pid == -1) { + _close(pipes[NtPipeRead]); + _close(pipes[NtPipeWrite]); + return NULL; + } + } + else { + char **vec; + int vecc = NtMakeCmdVector(cmd, &vec, FALSE); + + //pid = spawnvpe (_P_NOWAIT, vec[0], vec, environ); + pid = spawnvpe (_P_WAIT, vec[0], vec, environ); + if (pid == -1) { + goto docmd; + } + Safefree (vec, vecc); + } + + if (reading) { + + // + // We need to close our instance of the inherited pipe write + // handle now that it's been inherited so that it will actually close + // when the child process ends. + // + + if (_close(pipes[NtPipeWrite]) == -1) { + _close(pipes[NtPipeRead]); + return NULL; + } + if (_dup2 (saved, fileno(stdout)) == -1) { + _close(pipes[NtPipeRead]); + return NULL; + } + _close(saved); + + // + // Now get a stream pointer to return to the calling program. + // + + if ((fp = (FILE *) fdopen(pipes[NtPipeRead], mode)) == NULL) { + return NULL; + } + } + else { + + // + // need to close our read end of the pipe so that it will go + // away when the write end is closed. + // + + if (_close(pipes[NtPipeRead]) == -1) { + _close(pipes[NtPipeWrite]); + return NULL; + } + if (_dup2 (saved, fileno(stdin)) == -1) { + _close(pipes[NtPipeWrite]); + return NULL; + } + _close(saved); + + // + // Now get a stream pointer to return to the calling program. + // + + if ((fp = (FILE *) fdopen(pipes[NtPipeWrite], mode)) == NULL) { + _close(pipes[NtPipeWrite]); + return NULL; + } + } + + // + // do the book keeping + // + + MyPopenRecord[slot].inuse = TRUE; + MyPopenRecord[slot].pipe = fp; + MyPopenRecord[slot].pid = pid; + + return fp; +#else + { + int p[2]; + + BOOL fRet; + HANDLE hInFile, hOutFile, hStdin, hStdout; + LPCSTR lpApplicationName = NULL; + LPTSTR lpCommandLine; + LPTSTR lpCmd2 = NULL; + DWORD dwCreationFlags; + STARTUPINFO aStartupInfo; + PROCESS_INFORMATION aProcessInformation; + SECURITY_ATTRIBUTES sa; + int fd; + + sa.nLength = sizeof (SECURITY_ATTRIBUTES); + sa.lpSecurityDescriptor = NULL; + sa.bInheritHandle = TRUE; + + if (!reading) { + FILE *fp; + + fp = (_popen)(cmd, mode); + + MyPopenRecord[slot].inuse = TRUE; + MyPopenRecord[slot].pipe = fp; + MyPopenRecord[slot].pid = -1; + + if (!fp) + Fatal("cannot open pipe \"%s\" (%s)", cmd, strerror(errno)); + return fp; + } + + + fRet = CreatePipe(&hInFile, &hOutFile, &sa, 2048L); + if (!fRet) + Fatal("cannot open pipe \"%s\" (%s)", cmd, strerror(errno)); + + memset(&aStartupInfo, 0, sizeof (STARTUPINFO)); + memset(&aProcessInformation, 0, sizeof (PROCESS_INFORMATION)); + aStartupInfo.cb = sizeof (STARTUPINFO); + aStartupInfo.dwFlags = STARTF_USESTDHANDLES; + + if (reading) { + aStartupInfo.hStdInput = GetStdHandle(STD_OUTPUT_HANDLE);//hStdin; + aStartupInfo.hStdError = INVALID_HANDLE_VALUE; + //for save + DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_OUTPUT_HANDLE), + GetCurrentProcess(), &hStdout, + 0, FALSE, DUPLICATE_SAME_ACCESS + ); + //for redirect + DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_INPUT_HANDLE), + GetCurrentProcess(), &hStdin, + 0, TRUE, DUPLICATE_SAME_ACCESS + ); + aStartupInfo.hStdOutput = hOutFile; + } + else { + aStartupInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE); //hStdout; + aStartupInfo.hStdError = INVALID_HANDLE_VALUE; + // for save + DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_INPUT_HANDLE), + GetCurrentProcess(), &hStdin, + 0, FALSE, DUPLICATE_SAME_ACCESS + ); + //for redirect + DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_OUTPUT_HANDLE), + GetCurrentProcess(), &hStdout, + 0, TRUE, DUPLICATE_SAME_ACCESS + ); + aStartupInfo.hStdInput = hInFile; + } + + dwCreationFlags = (NORMAL_PRIORITY_CLASS); + + lpCommandLine = cmd; + if (NtHasRedirection(cmd) || isInternalCmd(cmd)) { + lpApplicationName = getenv("COMSPEC"); + lpCmd2 = malloc(strlen(lpApplicationName) + 1 + strlen(cmd) + sizeof (" /c ")); + if (lpCmd2 == NULL) + Fatal("Mypopen: malloc failed"); + sprintf(lpCmd2, "%s %s%s", lpApplicationName, " /c ", cmd); + lpCommandLine = lpCmd2; + } + + fRet = CreateProcess(lpApplicationName, lpCommandLine, &sa, &sa, + sa.bInheritHandle, dwCreationFlags, NULL, NULL, &aStartupInfo, &aProcessInformation); + + if (!fRet) { + CloseHandle(hInFile); + CloseHandle(hOutFile); + Fatal("cannot fork for \"%s\" (%s)", cmd, strerror(errno)); + } + + CloseHandle(aProcessInformation.hThread); + + if (reading) { + HANDLE hDummy; + + fd = _open_osfhandle((long)hInFile, (_O_RDONLY | pipemode)); + CloseHandle(hOutFile); + DuplicateHandle(GetCurrentProcess(), hStdout, + GetCurrentProcess(), &hDummy, + 0, TRUE, (DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE) + ); + } + else { + HANDLE hDummy; + + fd = _open_osfhandle((long)hOutFile, (_O_WRONLY | pipemode)); + CloseHandle(hInFile); + DuplicateHandle(GetCurrentProcess(), hStdin, + GetCurrentProcess(), &hDummy, + 0, TRUE, (DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE) + ); + } + + if (fd == -1) + Fatal("cannot open pipe \"%s\" (%s)", cmd, strerror(errno)); + + + if ((fp = (FILE *) fdopen(fd, mode)) == NULL) + return NULL; + + if (lpCmd2) + free(lpCmd2); + + MyPopenRecord[slot].inuse = TRUE; + MyPopenRecord[slot].pipe = fp; + MyPopenRecord[slot].oshandle = (reading ? hInFile : hOutFile); + MyPopenRecord[slot].pid = (int)aProcessInformation.hProcess; + return fp; + } +#endif +} + +int +mypclose(FILE *fp) +{ + int i; + int exitcode; + + Sleep(100); + for (i = 0; i < MYPOPENSIZE; i++) { + if (MyPopenRecord[i].inuse && MyPopenRecord[i].pipe == fp) + break; + } + if (i >= MYPOPENSIZE) { + Fatal("Invalid file pointer passed to mypclose!\n"); + } + + // + // get the return status of the process + // + +#if 0 + if (_cwait(&exitcode, MyPopenRecord[i].pid, WAIT_CHILD) == -1) { + if (errno == ECHILD) { + fprintf(stderr, "mypclose: nosuch child as pid %x\n", + MyPopenRecord[i].pid); + } + } +#else + for (;;) { + if (GetExitCodeProcess((HANDLE)MyPopenRecord[i].pid, &exitcode)) { + if (exitcode == STILL_ACTIVE) { + //printf("Process is Active.\n"); + Sleep(100); + TerminateProcess((HANDLE)MyPopenRecord[i].pid, 0); // ugly... + continue; + } + else if (exitcode == 0) { + //printf("done.\n"); + break; + } + else { + //printf("never.\n"); + break; + } + } + } +#endif + + + // + // close the pipe + // + CloseHandle(MyPopenRecord[i].oshandle); + fflush(fp); + fclose(fp); + + // + // free this slot + // + + MyPopenRecord[i].inuse = FALSE; + MyPopenRecord[i].pipe = NULL; + MyPopenRecord[i].pid = 0; + + return exitcode; +} +#endif + +#if 1 + + +typedef char* CHARP; +/* + * The following code is based on the do_exec and do_aexec functions + * in file doio.c + */ + +int +do_spawn(cmd) +char *cmd; +{ + register char **a; + register char *s; + char **argv; + int status; + char *shell, *cmd2; + int mode = NtSyncProcess ? P_WAIT : P_NOWAIT; + + /* save an extra exec if possible */ + if ((shell = getenv("RUBYSHELL")) != 0) { + if (NtHasRedirection(cmd)) { + int i; + char *p; + char *argv[4]; + char *cmdline = ALLOC_N(char, (strlen(cmd) * 2 + 1)); + + p=cmdline; + *p++ = '"'; + for (s=cmd; *s;) { + if (*s == '"') + *p++ = '\\'; /* Escape d-quote */ + *p++ = *s++; + } + *p++ = '"'; + *p = '\0'; + + /* fprintf(stderr, "do_spawn: %s %s\n", shell, cmdline); */ + argv[0] = shell; + argv[1] = "-c"; + argv[2] = cmdline; + argv[4] = NULL; + status = spawnvpe(mode, argv[0], argv, environ); + /* return spawnle(mode, shell, shell, "-c", cmd, (char*)0, environ); */ + free(cmdline); + return status; + } + } + else if ((shell = getenv("COMSPEC")) != 0) { + if (NtHasRedirection(cmd) /* || isInternalCmd(cmd) */) { + do_comspec_shell: + return spawnle(mode, shell, shell, "/c", cmd, (char*)0, environ); + } + } + + argv = ALLOC_N(CHARP, (strlen(cmd) / 2 + 2)); + cmd2 = ALLOC_N(char, (strlen(cmd) + 1)); + strcpy(cmd2, cmd); + a = argv; + for (s = cmd2; *s;) { + while (*s && isspace(*s)) s++; + if (*s) + *(a++) = s; + while (*s && !isspace(*s)) s++; + if (*s) + *s++ = '\0'; + } + *a = NULL; + if (argv[0]) { + if ((status = spawnvpe(mode, argv[0], argv, environ)) == -1) { + free(argv); + free(cmd2); + return -1; + } + } + free(cmd2); + free(argv); + return status; +} + +#endif + +typedef struct _NtCmdLineElement { + struct _NtCmdLineElement *next, *prev; + char *str; + int len; + int flags; +} NtCmdLineElement; + +// +// Possible values for flags +// + +#define NTGLOB 0x1 // element contains a wildcard +#define NTMALLOC 0x2 // string in element was malloc'ed +#define NTSTRING 0x4 // element contains a quoted string + +NtCmdLineElement *NtCmdHead = NULL, *NtCmdTail = NULL; + +void +NtFreeCmdLine(void) +{ + NtCmdLineElement *ptr; + + while(NtCmdHead) { + ptr = NtCmdHead; + NtCmdHead = NtCmdHead->next; + free(ptr); + } + NtCmdHead = NtCmdTail = NULL; +} + +// +// This function expands wild card characters that were spotted +// during the parse phase. The idea here is to call FindFirstFile and +// FindNextFile with the wildcard pattern specified, and splice in the +// resulting list of new names. If the wildcard pattern doesn\'t match +// any existing files, just leave it in the list. +// + +void +NtCmdGlob (NtCmdLineElement *patt) +{ + WIN32_FIND_DATA fd; + HANDLE fh; + char buffer[512]; + NtCmdLineElement *tmphead, *tmptail, *tmpcurr; + + strncpy(buffer, patt->str, patt->len); + buffer[patt->len] = '\0'; + if ((fh = FindFirstFile (buffer, &fd)) == INVALID_HANDLE_VALUE) { + return; + } + tmphead = tmptail = NULL; + do { + tmpcurr = ALLOC(NtCmdLineElement); + if (tmpcurr == NULL) { + fprintf(stderr, "Out of Memory in globbing!\n"); + while (tmphead) { + tmpcurr = tmphead; + tmphead = tmphead->next; + free(tmpcurr->str); + free(tmpcurr); + } + return; + } + memset (tmpcurr, 0, sizeof(*tmpcurr)); + tmpcurr->len = strlen(fd.cFileName); + tmpcurr->str = ALLOC_N(char, tmpcurr->len+1); + if (tmpcurr->str == NULL) { + fprintf(stderr, "Out of Memory in globbing!\n"); + while (tmphead) { + tmpcurr = tmphead; + tmphead = tmphead->next; + free(tmpcurr->str); + free(tmpcurr); + } + return; + } + strcpy(tmpcurr->str, fd.cFileName); + tmpcurr->flags |= NTMALLOC; + if (tmptail) { + tmptail->next = tmpcurr; + tmpcurr->prev = tmptail; + tmptail = tmpcurr; + } + else { + tmptail = tmphead = tmpcurr; + } + } while(FindNextFile(fh, &fd)); + + // + // ok, now we\'ve got a list of files that matched the wildcard + // specification. Put it in place of the pattern structure. + // + + tmphead->prev = patt->prev; + tmptail->next = patt->next; + + if (tmphead->prev) + tmphead->prev->next = tmphead; + + if (tmptail->next) + tmptail->next->prev = tmptail; + + // + // Now get rid of the pattern structure + // + + if (patt->flags & NTMALLOC) + free(patt->str); + // free(patt); //TODO: memory leak occures here. we have to fix it. +} + +// +// Check a command string to determine if it has I/O redirection +// characters that require it to be executed by a command interpreter +// + +static bool +NtHasRedirection (char *cmd) +{ + int inquote = 0; + char quote = '\0'; + char *ptr ; + + // + // Scan the string, looking for redirection (< or >) or pipe + // characters (|) that are not in a quoted string + // + + for (ptr = cmd; *ptr; ptr++) { + + switch (*ptr) { + + case '\'': + case '\"': + if (inquote) { + if (quote == *ptr) { + inquote = 0; + quote = '\0'; + } + } + else { + quote = *ptr; + inquote++; + } + break; + + case '>': + case '<': + + if (!inquote) + return TRUE; + } + } + return FALSE; +} + + +int +NtMakeCmdVector (char *cmdline, char ***vec, int InputCmd) +{ + int cmdlen = strlen(cmdline); + int done, instring, globbing, quoted, len; + int newline, need_free = 0, i; + int elements, strsz; + int slashes = 0; + char *ptr, *base, *buffer; + char **vptr; + char quote; + NtCmdLineElement *curr; + + // + // just return if we don\'t have a command line + // + + if (cmdlen == 0) { + *vec = NULL; + return 0; + } + + // + // strip trailing white space + // + + ptr = cmdline+(cmdlen - 1); + while(ptr >= cmdline && isspace(*ptr)) + --ptr; + *++ptr = '\0'; + + // + // check for newlines and formfeeds. If we find any, make a new + // command string that replaces them with escaped sequences (\n or \f) + // + + for (ptr = cmdline, newline = 0; *ptr; ptr++) { + if (*ptr == '\n' || *ptr == '\f') + newline++; + } + + if (newline) { + base = ALLOC_N(char, strlen(cmdline) + 1 + newline + slashes); + if (base == NULL) { + fprintf(stderr, "malloc failed!\n"); + return 0; + } + for (i = 0, ptr = base; (unsigned) i < strlen(cmdline); i++) { + switch (cmdline[i]) { + case '\n': + *ptr++ = '\\'; + *ptr++ = 'n'; + break; + default: + *ptr++ = cmdline[i]; + } + } + *ptr = '\0'; + cmdline = base; + need_free++; + } + + // + // Ok, parse the command line, building a list of CmdLineElements. + // When we\'ve finished, and it\'s an input command (meaning that it\'s + // the processes argv), we\'ll do globing and then build the argument + // vector. + // The outer loop does one interation for each element seen. + // The inner loop does one interation for each character in the element. + // + + for (done = 0, ptr = cmdline; *ptr;) { + + // + // zap any leading whitespace + // + + while(isspace(*ptr)) + ptr++; + base = ptr; + + for (done = newline = globbing = instring = quoted = 0; + *ptr && !done; ptr++) { + + // + // Switch on the current character. We only care about the + // white-space characters, the wild-card characters, and the + // quote characters. + // + + switch (*ptr) { + case ' ': + case '\t': +#if 0 + case '/': // have to do this for NT/DOS option strings + + // + // check to see if we\'re parsing an option switch + // + + if (*ptr == '/' && base == ptr) + continue; +#endif + // + // if we\'re not in a string, then we\'re finished with this + // element + // + + if (!instring) + done++; + break; + + case '*': + case '?': + + // + // record the fact that this element has a wildcard character + // N.B. Don\'t glob if inside a single quoted string + // + + if (!(instring && quote == '\'')) + globbing++; + break; + + case '\n': + + // + // If this string contains a newline, mark it as such so + // we can replace it with the two character sequence "\n" + // (cmd.exe doesn\'t like raw newlines in strings...sigh). + // + + newline++; + break; + + case '\'': + case '\"': + + // + // if we\'re already in a string, see if this is the + // terminating close-quote. If it is, we\'re finished with + // the string, but not neccessarily with the element. + // If we\'re not already in a string, start one. + // + + if (instring) { + if (quote == *ptr) { + instring = 0; + quote = '\0'; + } + } + else { + instring++; + quote = *ptr; + quoted++; + } + break; + } + } + + // + // need to back up ptr by one due to last increment of for loop + // (if we got out by seeing white space) + // + + if (*ptr) + ptr--; + + // + // when we get here, we\'ve got a pair of pointers to the element, + // base and ptr. Base points to the start of the element while ptr + // points to the character following the element. + // + + curr = ALLOC(NtCmdLineElement); + if (curr == NULL) { + NtFreeCmdLine(); + fprintf(stderr, "Out of memory!!\n"); + *vec = NULL; + return 0; + } + memset (curr, 0, sizeof(*curr)); + + len = ptr - base; + + // + // if it\'s an input vector element and it\'s enclosed by quotes, + // we can remove them. + // + + if (InputCmd && + ((base[0] == '\"' && base[len-1] == '\"') || + (base[0] == '\'' && base[len-1] == '\''))) { + base++; + len -= 2; + } + + curr->str = base; + curr->len = len; + curr->flags |= (globbing ? NTGLOB : 0); + + // + // Now put it in the list of elements + // + if (NtCmdTail) { + NtCmdTail->next = curr; + curr->prev = NtCmdTail; + NtCmdTail = curr; + } + else { + NtCmdHead = NtCmdTail = curr; + } + } + + if (InputCmd) { + + // + // When we get here we\'ve finished parsing the command line. Now + // we need to run the list, expanding any globbing patterns. + // + + for(curr = NtCmdHead; curr; curr = curr->next) { + if (curr->flags & NTGLOB) { + NtCmdGlob(curr); + } + } + } + + // + // Almost done! + // Count up the elements, then allocate space for a vector of pointers + // (argv) and a string table for the elements. + // + + for (elements = 0, strsz = 0, curr = NtCmdHead; curr; curr = curr->next) { + elements++; + strsz += (curr->len + 1); + } + + len = (elements+1)*sizeof(char *) + strsz; + buffer = ALLOC_N(char, len); + if (buffer == NULL) { + fprintf(stderr, "Out of memory!!\n"); + NtFreeCmdLine(); + *vec = NULL; + return 0; + } + + memset (buffer, 0, len); + + // + // make vptr point to the start of the buffer + // and ptr point to the area we\'ll consider the string table. + // + // buffer (*vec) + // | + // V ^---------------------V + // +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ + // | | | .... | NULL | | ..... |\0 | | ..... |\0 |... + // +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ + // |- elements+1 -| ^ 1st element ^ 2nd element + + vptr = (char **) buffer; + + ptr = buffer + (elements+1) * sizeof(char *); + + for (curr = NtCmdHead; curr; curr = curr->next) { + strncpy (ptr, curr->str, curr->len); + ptr[curr->len] = '\0'; + *vptr++ = ptr; + ptr += curr->len + 1; + } + NtFreeCmdLine(); + *vec = (char **) buffer; + return elements; +} + + +#if 1 +// +// UNIX compatible directory access functions for NT +// + +// +// File names are converted to lowercase if the +// CONVERT_TO_LOWER_CASE variable is defined. +// + +#define CONVERT_TO_LOWER_CASE +#define PATHLEN 1024 + +// +// The idea here is to read all the directory names into a string table +// (separated by nulls) and when one of the other dir functions is called +// return the pointer to the current file name. +// + +DIR * +opendir(char *filename) +{ + DIR *p; + long len; + long idx; + char scannamespc[PATHLEN]; + char *scanname = scannamespc; + struct stat sbuf; + WIN32_FIND_DATA FindData; + HANDLE fh; + char root[PATHLEN]; + char volname[PATHLEN]; + DWORD serial, maxname, flags; + BOOL downcase; + char *dummy; + + // + // check to see if we\'ve got a directory + // + + if (stat (filename, &sbuf) < 0 || + sbuf.st_mode & _S_IFDIR == 0) { + return NULL; + } + + // + // check out the file system characteristics + // + if (GetFullPathName(filename, PATHLEN, root, &dummy)) { + if (dummy = strchr(root, '\\')) + *++dummy = '\0'; + if (GetVolumeInformation(root, volname, PATHLEN, + &serial, &maxname, &flags, 0, 0)) { + downcase = !(flags & FS_CASE_SENSITIVE); + } + } + else { + downcase = TRUE; + } + + // + // Get us a DIR structure + // + + p = xcalloc(sizeof(DIR), 1); + if (p == NULL) + return NULL; + + // + // Create the search pattern + // + + strcpy(scanname, filename); + + if (index("/\\", *(scanname + strlen(scanname) - 1)) == NULL) + strcat(scanname, "/*"); + else + strcat(scanname, "*"); + + // + // do the FindFirstFile call + // + + fh = FindFirstFile (scanname, &FindData); + if (fh == INVALID_HANDLE_VALUE) { + return NULL; + } + + // + // now allocate the first part of the string table for the + // filenames that we find. + // + + idx = strlen(FindData.cFileName)+1; + p->start = ALLOC_N(char, idx); + strcpy (p->start, FindData.cFileName); + if (downcase) + strlwr(p->start); + p->nfiles++; + + // + // loop finding all the files that match the wildcard + // (which should be all of them in this directory!). + // the variable idx should point one past the null terminator + // of the previous string found. + // + while (FindNextFile(fh, &FindData)) { + len = strlen (FindData.cFileName); + + // + // bump the string table size by enough for the + // new name and it's null terminator + // + + #define Renew(x, y, z) (x = (z *)realloc(x, y)) + + Renew (p->start, idx+len+1, char); + if (p->start == NULL) { + Fatal ("opendir: malloc failed!\n"); + } + strcpy(&p->start[idx], FindData.cFileName); + if (downcase) + strlwr(&p->start[idx]); + p->nfiles++; + idx += len+1; + } + FindClose(fh); + p->size = idx; + p->curr = p->start; + return p; +} + + +// +// Readdir just returns the current string pointer and bumps the +// string pointer to the next entry. +// + +struct direct * +readdir(DIR *dirp) +{ + int len; + static int dummy = 0; + + if (dirp->curr) { + + // + // first set up the structure to return + // + + len = strlen(dirp->curr); + strcpy(dirp->dirstr.d_name, dirp->curr); + dirp->dirstr.d_namlen = len; + + // + // Fake inode + // + dirp->dirstr.d_ino = dummy++; + + // + // Now set up for the next call to readdir + // + + dirp->curr += len + 1; + if (dirp->curr >= (dirp->start + dirp->size)) { + dirp->curr = NULL; + } + + return &(dirp->dirstr); + + } else + return NULL; +} + +// +// Telldir returns the current string pointer position +// + +long +telldir(DIR *dirp) +{ + return (long) dirp->curr; /* ouch! pointer to long cast */ +} + +// +// Seekdir moves the string pointer to a previously saved position +// (Saved by telldir). + +void +seekdir(DIR *dirp, long loc) +{ + dirp->curr = (char *) loc; /* ouch! long to pointer cast */ +} + +// +// Rewinddir resets the string pointer to the start +// + +void +rewinddir(DIR *dirp) +{ + dirp->curr = dirp->start; +} + +// +// This just free\'s the memory allocated by opendir +// + +void +closedir(DIR *dirp) +{ + free(dirp->start); + free(dirp); +} +#endif + + +// +// 98.2% of this code was lifted from the OS2 port. (JCW) +// + +#if 0 +// add_suffix is in util.c too. +/* + * Suffix appending for in-place editing under MS-DOS and OS/2 (and now NT!). + * + * Here are the rules: + * + * Style 0: Append the suffix exactly as standard perl would do it. + * If the filesystem groks it, use it. (HPFS will always + * grok it. So will NTFS. FAT will rarely accept it.) + * + * Style 1: The suffix begins with a '.'. The extension is replaced. + * If the name matches the original name, use the fallback method. + * + * Style 2: The suffix is a single character, not a '.'. Try to add the + * suffix to the following places, using the first one that works. + * [1] Append to extension. + * [2] Append to filename, + * [3] Replace end of extension, + * [4] Replace end of filename. + * If the name matches the original name, use the fallback method. + * + * Style 3: Any other case: Ignore the suffix completely and use the + * fallback method. + * + * Fallback method: Change the extension to ".$$$". If that matches the + * original name, then change the extension to ".~~~". + * + * If filename is more than 1000 characters long, we die a horrible + * death. Sorry. + * + * The filename restriction is a cheat so that we can use buf[] to store + * assorted temporary goo. + * + * Examples, assuming style 0 failed. + * + * suffix = ".bak" (style 1) + * foo.bar => foo.bak + * foo.bak => foo.$$$ (fallback) + * foo.$$$ => foo.~~~ (fallback) + * makefile => makefile.bak + * + * suffix = "~" (style 2) + * foo.c => foo.c~ + * foo.c~ => foo.c~~ + * foo.c~~ => foo~.c~~ + * foo~.c~~ => foo~~.c~~ + * foo~~~~~.c~~ => foo~~~~~.$$$ (fallback) + * + * foo.pas => foo~.pas + * makefile => makefile.~ + * longname.fil => longname.fi~ + * longname.fi~ => longnam~.fi~ + * longnam~.fi~ => longnam~.$$$ + * + */ + + +static char suffix1[] = ".$$$"; +static char suffix2[] = ".~~~"; + +#define ext (&buf[1000]) + +#define strEQ(s1,s2) (strcmp(s1,s2) == 0) + +void +add_suffix(struct RString *str, char *suffix) +{ + int baselen; + int extlen = strlen(suffix); + char *s, *t, *p; + int slen; + char buf[1024]; + + if (str->len > 1000) + Fatal("Cannot do inplace edit on long filename (%d characters)", str->len); + + /* Style 0 */ + slen = str->len; + str_cat(str, suffix, extlen); + if (valid_filename(str->ptr)) return; + + /* Fooey, style 0 failed. Fix str before continuing. */ + str->ptr[str->len = slen] = '\0'; + + slen = extlen; + t = buf; baselen = 0; s = str->ptr; + while ( (*t = *s) && *s != '.') { + baselen++; + if (*s == '\\' || *s == '/') baselen = 0; + s++; t++; + } + p = t; + + t = ext; extlen = 0; + while (*t++ = *s++) extlen++; + if (extlen == 0) { ext[0] = '.'; ext[1] = 0; extlen++; } + + if (*suffix == '.') { /* Style 1 */ + if (strEQ(ext, suffix)) goto fallback; + strcpy(p, suffix); + } else if (suffix[1] == '\0') { /* Style 2 */ + if (extlen < 4) { + ext[extlen] = *suffix; + ext[++extlen] = '\0'; + } else if (baselen < 8) { + *p++ = *suffix; + } else if (ext[3] != *suffix) { + ext[3] = *suffix; + } else if (buf[7] != *suffix) { + buf[7] = *suffix; + } else goto fallback; + strcpy(p, ext); + } else { /* Style 3: Panic */ +fallback: + (void)memcpy(p, strEQ(ext, suffix1) ? suffix2 : suffix1, 5); + } + str_grow(str, strlen(buf)); + memcpy(str->ptr, buf, str->len); +} +#endif + +static int +valid_filename(char *s) +{ + int fd; + + // + // if the file exists, then it\'s a valid filename! + // + + if (_access(s, 0) == 0) { + return 1; + } + + // + // It doesn\'t exist, so see if we can open it. + // + + if ((fd = _open(s, _O_CREAT, 0666)) >= 0) { + close(fd); + _unlink (s); // don\'t leave it laying around + return 1; + } + return 0; +} + + +// +// This is a clone of fdopen so that we can handle the +// brain damaged version of sockets that NT gets to use. +// +// The problem is that sockets are not real file handles and +// cannot be fdopen\'ed. This causes problems in the do_socket +// routine in doio.c, since it tries to create two file pointers +// for the socket just created. We\'ll fake out an fdopen and see +// if we can prevent perl from trying to do stdio on sockets. +// + +FILE * +fdopen (int fd, const char *mode) +{ + FILE *fp; + char sockbuf[80]; + int optlen; + int retval; + extern int errno; + + retval = getsockopt((SOCKET)fd, SOL_SOCKET, SO_TYPE, sockbuf, &optlen); + if (retval == SOCKET_ERROR) { + int iRet; + + iRet = WSAGetLastError(); + if (iRet == WSAENOTSOCK || iRet == WSANOTINITIALISED) + return (_fdopen(fd, mode)); + } + + // + // If we get here, then fd is actually a socket. + // + fp = xcalloc(sizeof(FILE), 1); +#if _MSC_VER < 800 + fileno(fp) = fd; +#else + fp->_file = fd; +#endif + if (*mode == 'r') + fp->_flag = _IOREAD; + else + fp->_flag = _IOWRT; + return fp; +} + + +// +// Since the errors returned by the socket error function +// WSAGetLastError() are not known by the library routine strerror +// we have to roll our own. +// + +#undef strerror + +char * +mystrerror(int e) +{ + static char buffer[512]; + extern int sys_nerr; + DWORD source = 0; + + if (e < 0 || e > sys_nerr) { + if (e < 0) + e = GetLastError(); + if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0, + buffer, 512, NULL) == 0) { + strcpy (buffer, "Unknown Error"); + } + return buffer; + } + return strerror(e); + +} + +// +// various stubs +// + + +// Ownership +// +// Just pretend that everyone is a superuser. NT will let us know if +// we don\'t really have permission to do something. +// + +#define ROOT_UID 0 +#define ROOT_GID 0 + +UIDTYPE +getuid(void) +{ + return ROOT_UID; +} + +UIDTYPE +geteuid(void) +{ + return ROOT_UID; +} + +GIDTYPE +getgid(void) +{ + return ROOT_GID; +} + +GIDTYPE +getegid(void) +{ + return ROOT_GID; +} + +int +setuid(int uid) +{ + return (uid == ROOT_UID ? 0 : -1); +} + +int +setgid(int gid) +{ + return (gid == ROOT_GID ? 0 : -1); +} + +// +// File system stuff +// + +int +/* ioctl(int i, unsigned int u, char *data) */ +ioctl(int i, unsigned int u, long data) +{ + return -1; +} + + +// +// Networking trampolines +// These are used to avoid socket startup/shutdown overhead in case +// the socket routines aren\'t used. +// + +#undef select + +static int NtSocketsInitialized = 0; + +long +myselect (int nfds, fd_set *rd, fd_set *wr, fd_set *ex, + struct timeval *timeout) +{ + long r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = select (nfds, rd, wr, ex, timeout)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +static void +StartSockets () { + WORD version; + WSADATA retdata; + int ret; + + // + // initalize the winsock interface and insure that it\'s + // cleaned up at exit. + // + version = MAKEWORD(1, 1); + if (ret = WSAStartup(version, &retdata)) + Fatal ("Unable to locate winsock library!\n"); + if (LOBYTE(retdata.wVersion) != 1) + Fatal("could not find version 1 of winsock dll\n"); + + if (HIBYTE(retdata.wVersion) != 1) + Fatal("could not find version 1 of winsock dll\n"); + + atexit((void (*)(void)) WSACleanup); +} + +#undef accept + +SOCKET +myaccept (SOCKET s, struct sockaddr *addr, int *addrlen) +{ + SOCKET r; + + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = accept (s, addr, addrlen)) == INVALID_SOCKET) + errno = WSAGetLastError(); + return r; +} + +#undef bind + +int +mybind (SOCKET s, struct sockaddr *addr, int addrlen) +{ + int r; + + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = bind (s, addr, addrlen)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef connect + +int +myconnect (SOCKET s, struct sockaddr *addr, int addrlen) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = connect (s, addr, addrlen)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + + +#undef getpeername + +int +mygetpeername (SOCKET s, struct sockaddr *addr, int *addrlen) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = getpeername (s, addr, addrlen)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef getsockname + +int +mygetsockname (SOCKET s, struct sockaddr *addr, int *addrlen) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = getsockname (s, addr, addrlen)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef getsockopt + +int +mygetsockopt (SOCKET s, int level, int optname, char *optval, int *optlen) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = getsockopt (s, level, optname, optval, optlen)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef ioctlsocket + +int +myioctlsocket (SOCKET s, long cmd, u_long *argp) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = ioctlsocket (s, cmd, argp)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef listen + +int +mylisten (SOCKET s, int backlog) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = listen (s, backlog)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef recv + +int +myrecv (SOCKET s, char *buf, int len, int flags) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = recv (s, buf, len, flags)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef recvfrom + +int +myrecvfrom (SOCKET s, char *buf, int len, int flags, + struct sockaddr *from, int *fromlen) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = recvfrom (s, buf, len, flags, from, fromlen)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef send + +int +mysend (SOCKET s, char *buf, int len, int flags) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = send (s, buf, len, flags)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef sendto + +int +mysendto (SOCKET s, char *buf, int len, int flags, + struct sockaddr *to, int tolen) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = sendto (s, buf, len, flags, to, tolen)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef setsockopt + +int +mysetsockopt (SOCKET s, int level, int optname, char *optval, int optlen) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = setsockopt (s, level, optname, optval, optlen)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef shutdown + +int +myshutdown (SOCKET s, int how) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = shutdown (s, how)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef socket + +SOCKET +mysocket (int af, int type, int protocol) +{ + SOCKET s; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((s = socket (af, type, protocol)) == INVALID_SOCKET) + errno = WSAGetLastError(); + return s; +} + +#undef gethostbyaddr + +struct hostent * +mygethostbyaddr (char *addr, int len, int type) +{ + struct hostent *r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = gethostbyaddr (addr, len, type)) == NULL) + errno = WSAGetLastError(); + return r; +} + +#undef gethostbyname + +struct hostent * +mygethostbyname (char *name) +{ + struct hostent *r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = gethostbyname (name)) == NULL) + errno = WSAGetLastError(); + return r; +} + +#undef gethostname + +int +mygethostname (char *name, int len) +{ + int r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = gethostname (name, len)) == SOCKET_ERROR) + errno = WSAGetLastError(); + return r; +} + +#undef getprotobyname + +struct protoent * +mygetprotobyname (char *name) +{ + struct protoent *r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = getprotobyname (name)) == NULL) + errno = WSAGetLastError(); + return r; +} + +#undef getprotobynumber + +struct protoent * +mygetprotobynumber (int num) +{ + struct protoent *r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = getprotobynumber (num)) == NULL) + errno = WSAGetLastError(); + return r; +} + +#undef getservbyname + +struct servent * +mygetservbyname (char *name, char *proto) +{ + struct servent *r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = getservbyname (name, proto)) == NULL) + errno = WSAGetLastError(); + return r; +} + +#undef getservbyport + +struct servent * +mygetservbyport (int port, char *proto) +{ + struct servent *r; + if (!NtSocketsInitialized++) { + StartSockets(); + } + if ((r = getservbyport (port, proto)) == NULL) + errno = WSAGetLastError(); + return r; +} + +// +// Networking stubs +// + +void endhostent() {} +void endnetent() {} +void endprotoent() {} +void endservent() {} + +struct netent *getnetent (void) {return (struct netent *) NULL;} + +struct netent *getnetbyaddr(char *name) {return (struct netent *)NULL;} + +struct netent *getnetbyname(long net, int type) {return (struct netent *)NULL;} + +struct protoent *getprotoent (void) {return (struct protoent *) NULL;} + +struct servent *getservent (void) {return (struct servent *) NULL;} + +void sethostent (int stayopen) {} + +void setnetent (int stayopen) {} + +void setprotoent (int stayopen) {} + +void setservent (int stayopen) {} + + +#ifndef WNOHANG +#define WNOHANG -1 +#endif + +pid_t +waitpid (pid_t pid, int *stat_loc, int options) +{ + DWORD timeout; + + if (options == WNOHANG) { + timeout = 0; + } else { + timeout = INFINITE; + } + if (WaitForSingleObject((HANDLE) pid, timeout) == WAIT_OBJECT_0) { + pid = _cwait(stat_loc, pid, 0); + return pid; + } + return 0; +} + +#include + +void _cdecl +gettimeofday(struct timeval *tv, struct timezone *tz) +{ + struct timeb tb; + + ftime(&tb); + tv->tv_sec = tb.time; + tv->tv_usec = tb.millitm * 1000; +} + +char * +getcwd(buffer, size) + char *buffer; + int size; +{ + int length; + char *bp; + + if (_getcwd(buffer, size) == NULL) { + return NULL; + } + length = strlen(buffer); + if (length >= size) { + return NULL; + } + + for (bp = buffer; *bp != '\0'; bp++) { + if (*bp == '\\') { + *bp = '/'; + } + } + return buffer; +} + +static char * +str_grow(struct RString *str, size_t new_size) +{ + char *p; + + p = realloc(str->ptr, new_size); + if (p == NULL) + Fatal("cannot grow string\n"); + + str->len = new_size; + str->ptr = p; + + return p; +} + +int +chown(char *path, int owner, int group) +{ + return 0; +} + +int +kill(int pid, int sig) +{ +#if 1 + if (pid == GetCurrentProcessId()) + return raise(sig); + + if (sig == 2 && pid > 0) + if (GenerateConsoleCtrlEvent(CTRL_C_EVENT, (DWORD)pid)) + return 0; + + return -1; +#else + return 0; +#endif +} + +int +link(char *from, char *to) +{ + return -1; +} + +int +wait() +{ + return 0; +} + diff --git a/missing/nt.h b/missing/nt.h index b52cc4346c..5977a59a1d 100644 --- a/missing/nt.h +++ b/missing/nt.h @@ -18,7 +18,7 @@ // Define the following so we don't get tons of extra stuff // when we include windows.h // -#if 0 +#if 0 #define NOGDICAPMASKS #define NOVIRTUALKEYCODES #define NOWINMESSAGES @@ -57,16 +57,16 @@ #define NOHELP #define NOPROFILER #define NODEFERWINDOWPOS -#endif +#endif // // Ok now we can include the normal include files. // -// #include conflict with varargs.h? -// There is function-name conflitct, so we rename it +// #include conflict with varargs.h? +// There is function-name conflitct, so we rename it #if !defined(IN) && !defined(FLOAT) -#define OpenFile WINAPI_OpenFile +#define OpenFile WINAPI_OpenFile #include #include #undef OpenFile diff --git a/missing/setenv.c b/missing/setenv.c index 8a53a6e4eb..b7b43a674b 100644 --- a/missing/setenv.c +++ b/missing/setenv.c @@ -7,14 +7,14 @@ #include "ruby.h" -#ifndef NT +#ifndef NT extern char **environ; -#endif +#endif extern char **origenviron; -#ifndef NT +#ifndef NT char *strdup(); -#endif +#endif static int envix(nam) diff --git a/missing/strdup.c b/missing/strdup.c index 875290c03f..2e1fe90bbd 100644 --- a/missing/strdup.c +++ b/missing/strdup.c @@ -2,8 +2,8 @@ strdup.c - - $Author: matz $ - $Date: 1994/12/09 09:47:57 $ + $Author$ + $Date$ created at: Wed Dec 7 15:34:01 JST 1994 ************************************************/ diff --git a/missing/strstr.c b/missing/strstr.c index 68f40f8260..c54349983e 100644 --- a/missing/strstr.c +++ b/missing/strstr.c @@ -14,7 +14,7 @@ */ #ifndef lint -static char rcsid[] = "$Header: /usr/ext/cvsroot/ruby/missing/strstr.c,v 1.2 1994/08/12 04:48:34 matz Exp $ SPRITE (Berkeley)"; +static char rcsid[] = "$Header$ SPRITE (Berkeley)"; #endif /* not lint */ /* -- cgit v1.2.3