From edf2e9b7c75d2fff380f03c9ae279e53fe05ab59 Mon Sep 17 00:00:00 2001 From: matz Date: Wed, 20 Jan 1999 04:45:32 +0000 Subject: Win32 VCC support. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- win32/win32.c | 2206 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2206 insertions(+) create mode 100644 win32/win32.c (limited to 'win32/win32.c') diff --git a/win32/win32.c b/win32/win32.c new file mode 100644 index 0000000000..46489c4e08 --- /dev/null +++ b/win32/win32.c @@ -0,0 +1,2206 @@ +/* + * 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; + free(p); + + return 0; +} + + +static char *szInternalCmds[] = { + "append", + "break", + "call", + "cd", + "chdir", + "cls", + "copy", + "date", + "del", + "dir", + "echo", + "erase", + "label", + "md", + "mkdir", + "path", + "pause", + "rd", + "rem", + "ren", + "rename", + "rmdir", + "set", + "start", + "time", + "type", + "ver", + "vol", + NULL +}; + +int +isInternalCmd(char *cmd) +{ + int i, fRet=0; + char **vec; + int vecc = NtMakeCmdVector(cmd, &vec, FALSE); + + for( i = 0; szInternalCmds[i] ; i++){ + if(!strcmp(szInternalCmds[i], vec[0])){ + fRet = 1; + break; + } + } + + SafeFree (vec, vecc); + + return fRet; +} + + +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) + rb_fatal("cannot open pipe \"%s\" (%s)", cmd, strerror(errno)); + return fp; + } + + fRet = CreatePipe(&hInFile, &hOutFile, &sa, 2048L); + if (!fRet) + rb_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) + rb_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); + rb_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) + rb_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) { + rb_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) { + rb_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) + rb_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 * +myfdopen (int fd, const char *mode) +{ + FILE *fp; + char sockbuf[80]; + int optlen; + int retval; + extern int errno; + + //fprintf(stderr, "myfdopen()\n"); + + 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)) + rb_fatal ("Unable to locate winsock library!\n"); + if (LOBYTE(retdata.wVersion) != 1) + rb_fatal("could not find version 1 of winsock dll\n"); + + if (HIBYTE(retdata.wVersion) != 1) + rb_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(); + //fprintf(stderr, "socket fail (%d)", 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) + rb_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; +} + -- cgit v1.2.3