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-rw-r--r--ruby_1_8_5/dir.c1653
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diff --git a/ruby_1_8_5/dir.c b/ruby_1_8_5/dir.c
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--- a/ruby_1_8_5/dir.c
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@@ -1,1653 +0,0 @@
-/**********************************************************************
-
- dir.c -
-
- $Author: shyouhei $
- $Date: 2006/12/14 14:50:13 $
- created at: Wed Jan 5 09:51:01 JST 1994
-
- Copyright (C) 1993-2003 Yukihiro Matsumoto
- Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
- Copyright (C) 2000 Information-technology Promotion Agency, Japan
-
-**********************************************************************/
-
-#include "ruby.h"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#if defined HAVE_DIRENT_H && !defined _WIN32
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#elif defined HAVE_DIRECT_H && !defined _WIN32
-# include <direct.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# if !defined __NeXT__
-# define NAMLEN(dirent) (dirent)->d_namlen
-# else
-# /* On some versions of NextStep, d_namlen is always zero, so avoid it. */
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-# endif
-# if HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif
-# if HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif
-# if HAVE_NDIR_H
-# include <ndir.h>
-# endif
-# ifdef _WIN32
-# include "win32/dir.h"
-# endif
-#endif
-
-#include <errno.h>
-
-#ifndef HAVE_STDLIB_H
-char *getenv();
-#endif
-
-#ifndef HAVE_STRING_H
-char *strchr _((char*,char));
-#endif
-
-#include <ctype.h>
-
-#include "util.h"
-
-#if !defined HAVE_LSTAT && !defined lstat
-#define lstat stat
-#endif
-
-#ifndef CASEFOLD_FILESYSTEM
-# if defined DOSISH || defined __VMS
-# define CASEFOLD_FILESYSTEM 1
-# else
-# define CASEFOLD_FILESYSTEM 0
-# endif
-#endif
-
-#define FNM_NOESCAPE 0x01
-#define FNM_PATHNAME 0x02
-#define FNM_DOTMATCH 0x04
-#define FNM_CASEFOLD 0x08
-#if CASEFOLD_FILESYSTEM
-#define FNM_SYSCASE FNM_CASEFOLD
-#else
-#define FNM_SYSCASE 0
-#endif
-
-#define FNM_NOMATCH 1
-#define FNM_ERROR 2
-
-#define downcase(c) (nocase && ISUPPER(c) ? tolower(c) : (c))
-
-#ifndef CharNext /* defined as CharNext[AW] on Windows. */
-# if defined(DJGPP)
-# define CharNext(p) ((p) + mblen(p, MB_CUR_MAX))
-# else
-# define CharNext(p) ((p) + 1)
-# endif
-#endif
-
-#if defined DOSISH
-#define isdirsep(c) ((c) == '/' || (c) == '\\')
-#else
-#define isdirsep(c) ((c) == '/')
-#endif
-
-static char *
-range(pat, test, flags)
- const char *pat;
- int test;
- int flags;
-{
- int not, ok = 0;
- int nocase = flags & FNM_CASEFOLD;
- int escape = !(flags & FNM_NOESCAPE);
-
- not = *pat == '!' || *pat == '^';
- if (not)
- pat++;
-
- test = downcase(test);
-
- while (*pat != ']') {
- int cstart, cend;
- if (escape && *pat == '\\')
- pat++;
- cstart = cend = *pat++;
- if (!cstart)
- return NULL;
- if (*pat == '-' && pat[1] != ']') {
- pat++;
- if (escape && *pat == '\\')
- pat++;
- cend = *pat++;
- if (!cend)
- return NULL;
- }
- if (downcase(cstart) <= test && test <= downcase(cend))
- ok = 1;
- }
- return ok == not ? NULL : (char *)pat + 1;
-}
-
-#define ISDIRSEP(c) (pathname && isdirsep(c))
-#define PERIOD(s) (period && *(s) == '.' && \
- ((s) == string || ISDIRSEP((s)[-1])))
-static int
-fnmatch(pat, string, flags)
- const char *pat;
- const char *string;
- int flags;
-{
- int c;
- int test;
- const char *s = string;
- int escape = !(flags & FNM_NOESCAPE);
- int pathname = flags & FNM_PATHNAME;
- int period = !(flags & FNM_DOTMATCH);
- int nocase = flags & FNM_CASEFOLD;
-
- while ((c = *pat++) != '\0') {
- switch (c) {
- case '?':
- if (!*s || ISDIRSEP(*s) || PERIOD(s))
- return FNM_NOMATCH;
- s++;
- break;
- case '*':
- while ((c = *pat++) == '*')
- ;
-
- if (PERIOD(s))
- return FNM_NOMATCH;
-
- if (!c) {
- if (pathname && *rb_path_next(s))
- return FNM_NOMATCH;
- else
- return 0;
- }
- else if (ISDIRSEP(c)) {
- s = rb_path_next(s);
- if (*s) {
- s++;
- break;
- }
- return FNM_NOMATCH;
- }
-
- test = escape && c == '\\' ? *pat : c;
- test = downcase(test);
- pat--;
- while (*s) {
- if ((c == '?' || c == '[' || downcase(*s) == test) &&
- !fnmatch(pat, s, flags | FNM_DOTMATCH))
- return 0;
- else if (ISDIRSEP(*s))
- break;
- s++;
- }
- return FNM_NOMATCH;
-
- case '[':
- if (!*s || ISDIRSEP(*s) || PERIOD(s))
- return FNM_NOMATCH;
- pat = range(pat, *s, flags);
- if (pat == NULL)
- return FNM_NOMATCH;
- s++;
- break;
-
- case '\\':
- if (escape
-#if defined DOSISH
- && *pat && strchr("*?[]\\", *pat)
-#endif
- ) {
- c = *pat;
- if (!c)
- c = '\\';
- else
- pat++;
- }
- /* FALLTHROUGH */
-
- default:
-#if defined DOSISH
- if (ISDIRSEP(c) && isdirsep(*s))
- ;
- else
-#endif
- if(downcase(c) != downcase(*s))
- return FNM_NOMATCH;
- s++;
- break;
- }
- }
- return !*s ? 0 : FNM_NOMATCH;
-}
-
-VALUE rb_cDir;
-
-struct dir_data {
- DIR *dir;
- char *path;
-};
-
-static void
-free_dir(dir)
- struct dir_data *dir;
-{
- if (dir) {
- if (dir->dir) closedir(dir->dir);
- if (dir->path) free(dir->path);
- }
- free(dir);
-}
-
-static VALUE dir_close _((VALUE));
-
-static VALUE dir_s_alloc _((VALUE));
-static VALUE
-dir_s_alloc(klass)
- VALUE klass;
-{
- struct dir_data *dirp;
- VALUE obj = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dirp);
-
- dirp->dir = NULL;
- dirp->path = NULL;
-
- return obj;
-}
-
-/*
- * call-seq:
- * Dir.new( string ) -> aDir
- *
- * Returns a new directory object for the named directory.
- */
-static VALUE
-dir_initialize(dir, dirname)
- VALUE dir, dirname;
-{
- struct dir_data *dp;
-
- SafeStringValue(dirname);
- Data_Get_Struct(dir, struct dir_data, dp);
- if (dp->dir) closedir(dp->dir);
- if (dp->path) free(dp->path);
- dp->dir = NULL;
- dp->path = NULL;
- dp->dir = opendir(RSTRING(dirname)->ptr);
- if (dp->dir == NULL) {
- if (errno == EMFILE || errno == ENFILE) {
- rb_gc();
- dp->dir = opendir(RSTRING(dirname)->ptr);
- }
- if (dp->dir == NULL) {
- rb_sys_fail(RSTRING(dirname)->ptr);
- }
- }
- dp->path = strdup(RSTRING(dirname)->ptr);
-
- return dir;
-}
-
-/*
- * call-seq:
- * Dir.open( string ) => aDir
- * Dir.open( string ) {| aDir | block } => anObject
- *
- * With no block, <code>open</code> is a synonym for
- * <code>Dir::new</code>. If a block is present, it is passed
- * <i>aDir</i> as a parameter. The directory is closed at the end of
- * the block, and <code>Dir::open</code> returns the value of the
- * block.
- */
-
-static VALUE
-dir_s_open(klass, dirname)
- VALUE klass, dirname;
-{
- struct dir_data *dp;
- VALUE dir = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dp);
-
- dir_initialize(dir, dirname);
- if (rb_block_given_p()) {
- return rb_ensure(rb_yield, dir, dir_close, dir);
- }
-
- return dir;
-}
-
-static void
-dir_closed()
-{
- rb_raise(rb_eIOError, "closed directory");
-}
-
-static void
-dir_check(dir)
- VALUE dir;
-{
- if (!OBJ_TAINTED(dir) && rb_safe_level() >= 4)
- rb_raise(rb_eSecurityError, "Insecure: operation on untainted Dir");
- rb_check_frozen(dir);
-}
-
-#define GetDIR(obj, dirp) do {\
- dir_check(dir);\
- Data_Get_Struct(obj, struct dir_data, dirp);\
- if (dirp->dir == NULL) dir_closed();\
-} while (0)
-
-/*
- * call-seq:
- * dir.path => string or nil
- *
- * Returns the path parameter passed to <em>dir</em>'s constructor.
- *
- * d = Dir.new("..")
- * d.path #=> ".."
- */
-static VALUE
-dir_path(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
-
- GetDIR(dir, dirp);
- if (!dirp->path) return Qnil;
- return rb_str_new2(dirp->path);
-}
-
-/*
- * call-seq:
- * dir.read => string or nil
- *
- * Reads the next entry from <em>dir</em> and returns it as a string.
- * Returns <code>nil</code> at the end of the stream.
- *
- * d = Dir.new("testdir")
- * d.read #=> "."
- * d.read #=> ".."
- * d.read #=> "config.h"
- */
-static VALUE
-dir_read(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
- struct dirent *dp;
-
- GetDIR(dir, dirp);
- errno = 0;
- dp = readdir(dirp->dir);
- if (dp) {
- return rb_tainted_str_new(dp->d_name, NAMLEN(dp));
- }
- else if (errno == 0) { /* end of stream */
- return Qnil;
- }
- else {
- rb_sys_fail(0);
- }
- return Qnil; /* not reached */
-}
-
-/*
- * call-seq:
- * dir.each { |filename| block } => dir
- *
- * Calls the block once for each entry in this directory, passing the
- * filename of each entry as a parameter to the block.
- *
- * d = Dir.new("testdir")
- * d.each {|x| puts "Got #{x}" }
- *
- * <em>produces:</em>
- *
- * Got .
- * Got ..
- * Got config.h
- * Got main.rb
- */
-static VALUE
-dir_each(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
- struct dirent *dp;
-
- GetDIR(dir, dirp);
- rewinddir(dirp->dir);
- for (dp = readdir(dirp->dir); dp != NULL; dp = readdir(dirp->dir)) {
- rb_yield(rb_tainted_str_new(dp->d_name, NAMLEN(dp)));
- if (dirp->dir == NULL) dir_closed();
- }
- return dir;
-}
-
-/*
- * call-seq:
- * dir.pos => integer
- * dir.tell => integer
- *
- * Returns the current position in <em>dir</em>. See also
- * <code>Dir#seek</code>.
- *
- * d = Dir.new("testdir")
- * d.tell #=> 0
- * d.read #=> "."
- * d.tell #=> 12
- */
-static VALUE
-dir_tell(dir)
- VALUE dir;
-{
-#ifdef HAVE_TELLDIR
- struct dir_data *dirp;
- long pos;
-
- GetDIR(dir, dirp);
- pos = telldir(dirp->dir);
- return rb_int2inum(pos);
-#else
- rb_notimplement();
-#endif
-}
-
-/*
- * call-seq:
- * dir.seek( integer ) => dir
- *
- * Seeks to a particular location in <em>dir</em>. <i>integer</i>
- * must be a value returned by <code>Dir#tell</code>.
- *
- * d = Dir.new("testdir") #=> #<Dir:0x401b3c40>
- * d.read #=> "."
- * i = d.tell #=> 12
- * d.read #=> ".."
- * d.seek(i) #=> #<Dir:0x401b3c40>
- * d.read #=> ".."
- */
-static VALUE
-dir_seek(dir, pos)
- VALUE dir, pos;
-{
- struct dir_data *dirp;
- off_t p = NUM2OFFT(pos);
-
- GetDIR(dir, dirp);
-#ifdef HAVE_SEEKDIR
- seekdir(dirp->dir, p);
- return dir;
-#else
- rb_notimplement();
-#endif
-}
-
-/*
- * call-seq:
- * dir.pos( integer ) => integer
- *
- * Synonym for <code>Dir#seek</code>, but returns the position
- * parameter.
- *
- * d = Dir.new("testdir") #=> #<Dir:0x401b3c40>
- * d.read #=> "."
- * i = d.pos #=> 12
- * d.read #=> ".."
- * d.pos = i #=> 12
- * d.read #=> ".."
- */
-static VALUE
-dir_set_pos(dir, pos)
- VALUE dir, pos;
-{
- dir_seek(dir, pos);
- return pos;
-}
-
-/*
- * call-seq:
- * dir.rewind => dir
- *
- * Repositions <em>dir</em> to the first entry.
- *
- * d = Dir.new("testdir")
- * d.read #=> "."
- * d.rewind #=> #<Dir:0x401b3fb0>
- * d.read #=> "."
- */
-static VALUE
-dir_rewind(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
-
- GetDIR(dir, dirp);
- rewinddir(dirp->dir);
- return dir;
-}
-
-/*
- * call-seq:
- * dir.close => nil
- *
- * Closes the directory stream. Any further attempts to access
- * <em>dir</em> will raise an <code>IOError</code>.
- *
- * d = Dir.new("testdir")
- * d.close #=> nil
- */
-static VALUE
-dir_close(dir)
- VALUE dir;
-{
- struct dir_data *dirp;
-
- if (rb_safe_level() >= 4 && !OBJ_TAINTED(dir)) {
- rb_raise(rb_eSecurityError, "Insecure: can't close");
- }
- GetDIR(dir, dirp);
- closedir(dirp->dir);
- dirp->dir = NULL;
-
- return Qnil;
-}
-
-static void
-dir_chdir(path)
- VALUE path;
-{
- if (chdir(RSTRING(path)->ptr) < 0)
- rb_sys_fail(RSTRING(path)->ptr);
-}
-
-static int chdir_blocking = 0;
-static VALUE chdir_thread = Qnil;
-
-struct chdir_data {
- VALUE old_path, new_path;
- int done;
-};
-
-static VALUE
-chdir_yield(args)
- struct chdir_data *args;
-{
- dir_chdir(args->new_path);
- args->done = Qtrue;
- chdir_blocking++;
- if (chdir_thread == Qnil)
- chdir_thread = rb_thread_current();
- return rb_yield(args->new_path);
-}
-
-static VALUE
-chdir_restore(args)
- struct chdir_data *args;
-{
- if (args->done) {
- chdir_blocking--;
- if (chdir_blocking == 0)
- chdir_thread = Qnil;
- dir_chdir(args->old_path);
- }
- return Qnil;
-}
-
-/*
- * call-seq:
- * Dir.chdir( [ string] ) => 0
- * Dir.chdir( [ string] ) {| path | block } => anObject
- *
- * Changes the current working directory of the process to the given
- * string. When called without an argument, changes the directory to
- * the value of the environment variable <code>HOME</code>, or
- * <code>LOGDIR</code>. <code>SystemCallError</code> (probably
- * <code>Errno::ENOENT</code>) if the target directory does not exist.
- *
- * If a block is given, it is passed the name of the new current
- * directory, and the block is executed with that as the current
- * directory. The original working directory is restored when the block
- * exits. The return value of <code>chdir</code> is the value of the
- * block. <code>chdir</code> blocks can be nested, but in a
- * multi-threaded program an error will be raised if a thread attempts
- * to open a <code>chdir</code> block while another thread has one
- * open.
- *
- * Dir.chdir("/var/spool/mail")
- * puts Dir.pwd
- * Dir.chdir("/tmp") do
- * puts Dir.pwd
- * Dir.chdir("/usr") do
- * puts Dir.pwd
- * end
- * puts Dir.pwd
- * end
- * puts Dir.pwd
- *
- * <em>produces:</em>
- *
- * /var/spool/mail
- * /tmp
- * /usr
- * /tmp
- * /var/spool/mail
- */
-static VALUE
-dir_s_chdir(argc, argv, obj)
- int argc;
- VALUE *argv;
- VALUE obj;
-{
- VALUE path = Qnil;
-
- rb_secure(2);
- if (rb_scan_args(argc, argv, "01", &path) == 1) {
- SafeStringValue(path);
- }
- else {
- const char *dist = getenv("HOME");
- if (!dist) {
- dist = getenv("LOGDIR");
- if (!dist) rb_raise(rb_eArgError, "HOME/LOGDIR not set");
- }
- path = rb_str_new2(dist);
- }
-
- if (chdir_blocking > 0) {
- if (!rb_block_given_p() || rb_thread_current() != chdir_thread)
- rb_warn("conflicting chdir during another chdir block");
- }
-
- if (rb_block_given_p()) {
- struct chdir_data args;
- char *cwd = my_getcwd();
-
- args.old_path = rb_tainted_str_new2(cwd); free(cwd);
- args.new_path = path;
- args.done = Qfalse;
- return rb_ensure(chdir_yield, (VALUE)&args, chdir_restore, (VALUE)&args);
- }
- dir_chdir(path);
-
- return INT2FIX(0);
-}
-
-/*
- * call-seq:
- * Dir.getwd => string
- * Dir.pwd => string
- *
- * Returns the path to the current working directory of this process as
- * a string.
- *
- * Dir.chdir("/tmp") #=> 0
- * Dir.getwd #=> "/tmp"
- */
-static VALUE
-dir_s_getwd(dir)
- VALUE dir;
-{
- char *path;
- VALUE cwd;
-
- rb_secure(4);
- path = my_getcwd();
- cwd = rb_tainted_str_new2(path);
-
- free(path);
- return cwd;
-}
-
-static void check_dirname _((volatile VALUE *));
-static void
-check_dirname(dir)
- volatile VALUE *dir;
-{
- char *path, *pend;
-
- SafeStringValue(*dir);
- rb_secure(2);
- path = RSTRING(*dir)->ptr;
- if (path && *(pend = rb_path_end(rb_path_skip_prefix(path)))) {
- *dir = rb_str_new(path, pend - path);
- }
-}
-
-/*
- * call-seq:
- * Dir.chroot( string ) => 0
- *
- * Changes this process's idea of the file system root. Only a
- * privileged process may make this call. Not available on all
- * platforms. On Unix systems, see <code>chroot(2)</code> for more
- * information.
- */
-static VALUE
-dir_s_chroot(dir, path)
- VALUE dir, path;
-{
-#if defined(HAVE_CHROOT) && !defined(__CHECKER__)
- check_dirname(&path);
-
- if (chroot(RSTRING(path)->ptr) == -1)
- rb_sys_fail(RSTRING(path)->ptr);
-
- return INT2FIX(0);
-#else
- rb_notimplement();
- return Qnil; /* not reached */
-#endif
-}
-
-/*
- * call-seq:
- * Dir.mkdir( string [, integer] ) => 0
- *
- * Makes a new directory named by <i>string</i>, with permissions
- * specified by the optional parameter <i>anInteger</i>. The
- * permissions may be modified by the value of
- * <code>File::umask</code>, and are ignored on NT. Raises a
- * <code>SystemCallError</code> if the directory cannot be created. See
- * also the discussion of permissions in the class documentation for
- * <code>File</code>.
- *
- */
-static VALUE
-dir_s_mkdir(argc, argv, obj)
- int argc;
- VALUE *argv;
- VALUE obj;
-{
- VALUE path, vmode;
- int mode;
-
- if (rb_scan_args(argc, argv, "11", &path, &vmode) == 2) {
- mode = NUM2INT(vmode);
- }
- else {
- mode = 0777;
- }
-
- check_dirname(&path);
- if (mkdir(RSTRING(path)->ptr, mode) == -1)
- rb_sys_fail(RSTRING(path)->ptr);
-
- return INT2FIX(0);
-}
-
-/*
- * call-seq:
- * Dir.delete( string ) => 0
- * Dir.rmdir( string ) => 0
- * Dir.unlink( string ) => 0
- *
- * Deletes the named directory. Raises a subclass of
- * <code>SystemCallError</code> if the directory isn't empty.
- */
-static VALUE
-dir_s_rmdir(obj, dir)
- VALUE obj, dir;
-{
- check_dirname(&dir);
- if (rmdir(RSTRING(dir)->ptr) < 0)
- rb_sys_fail(RSTRING(dir)->ptr);
-
- return INT2FIX(0);
-}
-
-static void
-sys_warning_1(mesg)
- const char* mesg;
-{
- rb_sys_warning("%s", mesg);
-}
-
-#define GLOB_VERBOSE (1U << (sizeof(int) * CHAR_BIT - 1))
-#define sys_warning(val) \
- (void)((flags & GLOB_VERBOSE) && rb_protect((VALUE (*)_((VALUE)))sys_warning_1, (VALUE)(val), 0))
-
-#define GLOB_ALLOC(type) (type *)malloc(sizeof(type))
-#define GLOB_ALLOC_N(type, n) (type *)malloc(sizeof(type) * (n))
-#define GLOB_REALLOC_N(var, type, n) (type *)realloc((var), sizeof(type) * (n))
-#define GLOB_JUMP_TAG(status) ((status == -1) ? rb_memerror() : rb_jump_tag(status))
-
-/* Return nonzero if S has any special globbing chars in it. */
-static int
-has_magic(s, send, flags)
- const char *s, *send;
- int flags;
-{
- register const char *p = s;
- register char c;
- int open = 0;
- const int escape = !(flags & FNM_NOESCAPE);
- const int nocase = flags & FNM_CASEFOLD;
-
- while ((c = *p++) != '\0') {
- switch (c) {
- case '?':
- case '*':
- return Qtrue;
-
- case '[': /* Only accept an open brace if there is a close */
- open++; /* brace to match it. Bracket expressions must be */
- continue; /* complete, according to Posix.2 */
- case ']':
- if (open)
- return Qtrue;
- continue;
-
- case '\\':
- if (escape && *p++ == '\0')
- return Qfalse;
- break;
-
- default:
- if (!FNM_SYSCASE && ISALPHA(c) && nocase)
- return Qtrue;
- }
-
- if (send && p >= send) break;
- }
- return Qfalse;
-}
-
-static char*
-extract_path(p, pend)
- const char *p, *pend;
-{
- char *alloc;
- int len;
-
- len = pend - p;
- alloc = GLOB_ALLOC_N(char, len+1);
- if (!alloc) return NULL;
- memcpy(alloc, p, len);
- if (len > 1 && pend[-1] == '/'
-#if defined DOSISH_DRIVE_LETTER
- && pend[-2] != ':'
-#endif
- ) {
- alloc[len-1] = 0;
- }
- else {
- alloc[len] = 0;
- }
-
- return alloc;
-}
-
-static char*
-extract_elem(path)
- const char *path;
-{
- const char *pend;
-
- pend = strchr(path, '/');
- if (!pend) pend = path + strlen(path);
-
- return extract_path(path, pend);
-}
-
-static void
-remove_backslashes(p)
- char *p;
-{
- char *pend = p + strlen(p);
- char *t = p;
-
- while (p < pend) {
- if (*p == '\\') {
- if (++p == pend) break;
- }
- *t++ = *p++;
- }
- *t = '\0';
-}
-
-#ifndef S_ISDIR
-# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
-#endif
-
-struct glob_args {
- void (*func) _((const char*, VALUE));
- const char *c;
- VALUE v;
-};
-
-static VALUE glob_func_caller _((VALUE));
-
-static VALUE
-glob_func_caller(val)
- VALUE val;
-{
- struct glob_args *args = (struct glob_args *)val;
-
- (*args->func)(args->c, args->v);
- return Qnil;
-}
-
-#define glob_call_func(func, path, arg) (*func)(path, arg)
-
-static int glob_helper _((const char *path, const char *sub, int flags, int (*func)(const char *,VALUE), VALUE arg));
-
-static int
-glob_helper(path, sub, flags, func, arg)
- const char *path;
- const char *sub;
- int flags;
- int (*func) _((const char *, VALUE));
- VALUE arg;
-{
- struct stat st;
- const char *p, *m;
- int status = 0;
- char *buf = 0;
- char *newpath = 0;
- char *newbuf;
-
- p = sub ? sub : path;
- if (!has_magic(p, 0, flags)) {
-#if !defined DOSISH
- if (!(flags & FNM_NOESCAPE))
-#endif
- {
- newpath = strdup(path);
- if (!newpath) return -1;
- if (sub) {
- p = newpath + (sub - path);
- remove_backslashes(newpath + (sub - path));
- sub = p;
- }
- else {
- remove_backslashes(newpath);
- p = path = newpath;
- }
- }
- if (lstat(path, &st) == 0) {
- status = glob_call_func(func, path, arg);
- }
- else if (errno != ENOENT) {
- /* In case stat error is other than ENOENT and
- we may want to know what is wrong. */
- sys_warning(path);
- }
- if (newpath) free(newpath);
- return status;
- }
-
- while (p && !status) {
- if (*p == '/') p++;
- m = strchr(p, '/');
- if (has_magic(p, m, flags)) {
- char *dir, *base, *magic;
- DIR *dirp;
- struct dirent *dp;
- int recursive = 0;
-
- struct d_link {
- char *path;
- struct d_link *next;
- } *tmp, *link, **tail = &link;
-
- base = extract_path(path, p);
- if (!base) {
- status = -1;
- break;
- }
- if (path == p) dir = ".";
- else dir = base;
-
- magic = extract_elem(p);
- if (!magic) {
- status = -1;
- break;
- }
- if (stat(dir, &st) < 0) {
- if (errno != ENOENT)
- sys_warning(dir);
- free(base);
- free(magic);
- break;
- }
- if (S_ISDIR(st.st_mode)) {
- if (m && strcmp(magic, "**") == 0) {
- int n = strlen(base);
- recursive = 1;
- newbuf = GLOB_REALLOC_N(buf, char, n+strlen(m)+3);
- if (!newbuf) {
- status = -1;
- goto finalize;
- }
- buf = newbuf;
- sprintf(buf, "%s%s", base, *base ? m : m+1);
- status = glob_helper(buf, buf+n, flags, func, arg);
- if (status) goto finalize;
- }
- dirp = opendir(dir);
- if (dirp == NULL) {
- sys_warning(dir);
- free(base);
- free(magic);
- break;
- }
- }
- else {
- free(base);
- free(magic);
- break;
- }
-
-#if defined DOSISH_DRIVE_LETTER
-#define BASE (*base && !((isdirsep(*base) && !base[1]) || (base[1] == ':' && isdirsep(base[2]) && !base[3])))
-#else
-#define BASE (*base && !(isdirsep(*base) && !base[1]))
-#endif
-
- for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
- if (recursive) {
- if (strcmp(".", dp->d_name) == 0 || strcmp("..", dp->d_name) == 0)
- continue;
- if (fnmatch("*", dp->d_name, flags) != 0)
- continue;
- newbuf = GLOB_REALLOC_N(buf, char, strlen(base)+NAMLEN(dp)+strlen(m)+6);
- if (!newbuf) {
- status = -1;
- break;
- }
- buf = newbuf;
- sprintf(buf, "%s%s%s", base, (BASE) ? "/" : "", dp->d_name);
- if (lstat(buf, &st) < 0) {
- if (errno != ENOENT)
- sys_warning(buf);
- continue;
- }
- if (S_ISDIR(st.st_mode)) {
- char *t = buf+strlen(buf);
- strcpy(t, "/**");
- strcpy(t+3, m);
- status = glob_helper(buf, t, flags, func, arg);
- if (status) break;
- continue;
- }
- continue;
- }
- if (fnmatch(magic, dp->d_name, flags) == 0) {
- newbuf = GLOB_REALLOC_N(buf, char, strlen(base)+NAMLEN(dp)+2);
- if (!newbuf) {
- status = -1;
- break;
- }
- buf = newbuf;
- sprintf(buf, "%s%s%s", base, (BASE) ? "/" : "", dp->d_name);
- if (!m) {
- status = glob_call_func(func, buf, arg);
- if (status) break;
- continue;
- }
- tmp = GLOB_ALLOC(struct d_link);
- if (!tmp) {
- status = -1;
- break;
- }
- tmp->path = buf;
- buf = 0;
- *tail = tmp;
- tail = &tmp->next;
- }
- }
- closedir(dirp);
- finalize:
- *tail = 0;
- free(base);
- free(magic);
- if (link) {
- while (link) {
- if (status == 0) {
- if (stat(link->path, &st) == 0) {
- if (S_ISDIR(st.st_mode)) {
- int len = strlen(link->path);
- int mlen = strlen(m);
-
- newbuf = GLOB_REALLOC_N(buf, char, len+mlen+1);
- if (!newbuf) {
- status = -1;
- goto next_elem;
- }
- buf = newbuf;
- sprintf(buf, "%s%s", link->path, m);
- status = glob_helper(buf, buf+len, flags, func, arg);
- }
- }
- else {
- sys_warning(link->path);
- }
- }
- next_elem:
- tmp = link;
- link = link->next;
- free(tmp->path);
- free(tmp);
- }
- break;
- }
- }
- p = m;
- }
- if (buf) free(buf);
- if (newpath) free(newpath);
- return status;
-}
-
-int
-ruby_glob(path, flags, func, arg)
- const char *path;
- int flags;
- int (*func) _((const char *, VALUE));
- VALUE arg;
-{
- flags |= FNM_SYSCASE;
- return glob_helper(path, 0, flags & ~GLOB_VERBOSE, func, arg);
-}
-
-int
-ruby_globi(path, flags, func, arg)
- const char *path;
- int flags;
- int (*func) _((const char *, VALUE));
- VALUE arg;
-{
- return glob_helper(path, 0, flags | FNM_CASEFOLD, func, arg);
-}
-
-static int rb_glob_caller _((const char *, VALUE));
-
-static int
-rb_glob_caller(path, a)
- const char *path;
- VALUE a;
-{
- int status;
- struct glob_args *args = (struct glob_args *)a;
-
- args->c = path;
- rb_protect(glob_func_caller, a, &status);
- return status;
-}
-
-static int
-rb_glob2(path, flags, func, arg)
- const char *path;
- int flags;
- void (*func) _((const char *, VALUE));
- VALUE arg;
-{
- struct glob_args args;
-
- args.func = func;
- args.v = arg;
-
- flags |= FNM_SYSCASE;
- return glob_helper(path, 0, flags | GLOB_VERBOSE, rb_glob_caller, (VALUE)&args);
-}
-
-void
-rb_glob(path, func, arg)
- const char *path;
- void (*func) _((const char*, VALUE));
- VALUE arg;
-{
- int status = rb_glob2(path, 0, func, arg);
- if (status) rb_jump_tag(status);
-}
-
-void
-rb_globi(path, func, arg)
- const char *path;
- void (*func) _((const char*, VALUE));
- VALUE arg;
-{
- int status = rb_glob2(path, FNM_CASEFOLD, func, arg);
- if (status) rb_jump_tag(status);
-}
-
-static void
-push_pattern(path, ary)
- const char *path;
- VALUE ary;
-{
- rb_ary_push(ary, rb_tainted_str_new2(path));
-}
-
-static int
-push_globs(ary, s, flags)
- VALUE ary;
- const char *s;
- int flags;
-{
- return rb_glob2(s, flags, push_pattern, ary);
-}
-
-static int
-push_braces(ary, str, flags)
- VALUE ary;
- const char *str;
- int flags;
-{
- char *buf = 0;
- char *b, *newbuf;
- const char *s, *p, *t;
- const char *lbrace, *rbrace;
- int nest = 0;
- int status = 0;
-
- s = p = str;
- lbrace = rbrace = 0;
- while (*p) {
- if (*p == '{') {
- lbrace = p;
- break;
- }
- p++;
- }
- while (*p) {
- if (*p == '{') nest++;
- if (*p == '}' && --nest == 0) {
- rbrace = p;
- break;
- }
- p++;
- }
-
- if (lbrace && rbrace) {
- int len = strlen(s);
- p = lbrace;
- while (*p != '}') {
- t = p + 1;
- for (p = t; *p!='}' && *p!=','; p++) {
- /* skip inner braces */
- if (*p == '{') {
- nest = 1;
- while (*++p != '}' || --nest) {
- if (*p == '{') nest++;
- }
- }
- }
- newbuf = GLOB_REALLOC_N(buf, char, len+1);
- if (!newbuf) {
- status = -1;
- break;
- }
- buf = newbuf;
- memcpy(buf, s, lbrace-s);
- b = buf + (lbrace-s);
- memcpy(b, t, p-t);
- strcpy(b+(p-t), rbrace+1);
- status = push_braces(ary, buf, flags);
- if (status) break;
- }
- }
- else {
- status = push_globs(ary, str, flags);
- }
- if (buf) free(buf);
-
- return status;
-}
-
-#define isdelim(c) ((c)=='\0')
-
-static VALUE
-rb_push_glob(str, flags)
- VALUE str;
- int flags;
-{
- const char *p, *pend, *buf;
- int nest, maxnest;
- int status = 0;
- int noescape = flags & FNM_NOESCAPE;
- VALUE ary;
-
- ary = rb_ary_new();
- SafeStringValue(str);
- p = RSTRING(str)->ptr;
- pend = p + RSTRING(str)->len;
-
- while (p < pend) {
- nest = maxnest = 0;
- while (p < pend && isdelim(*p)) p++;
- buf = p;
- while (p < pend && !isdelim(*p)) {
- if (*p == '{') nest++, maxnest++;
- if (*p == '}') nest--;
- if (!noescape && *p == '\\') {
- if (++p == pend) break;
- }
- p++;
- }
- if (maxnest == 0) {
- status = push_globs(ary, buf, flags);
- if (status) break;
- }
- else if (nest == 0) {
- status = push_braces(ary, buf, flags);
- if (status) break;
- }
- /* else unmatched braces */
- }
- if (status) GLOB_JUMP_TAG(status);
- if (rb_block_given_p()) {
- rb_ary_each(ary);
- return Qnil;
- }
- return ary;
-}
-
-/*
- * call-seq:
- * Dir[ string ] => array
- *
- * Equivalent to calling
- * <em>dir</em>.<code>glob(</code><i>string,</i><code>0)</code>.
- *
- */
-static VALUE
-dir_s_aref(obj, str)
- VALUE obj, str;
-{
- return rb_push_glob(str, 0);
-}
-
-/*
- * call-seq:
- * Dir.glob( string, [flags] ) => array
- * Dir.glob( string, [flags] ) {| filename | block } => nil
- *
- * Returns the filenames found by expanding the pattern given in
- * <i>string</i>, either as an <i>array</i> or as parameters to the
- * block. Note that this pattern is not a regexp (it's closer to a
- * shell glob). See <code>File::fnmatch</code> for the meaning of
- * the <i>flags</i> parameter.
- *
- * <code>*</code>:: Matches any file. Can be restricted by
- * other values in the glob. <code>*</code>
- * will match all files; <code>c*</code> will
- * match all files beginning with
- * <code>c</code>; <code>*c</code> will match
- * all files ending with <code>c</code>; and
- * <code>*c*</code> will match all files that
- * have <code>c</code> in them (including at
- * the beginning or end). Equivalent to
- * <code>/ .* /x</code> in regexp.
- * <code>**</code>:: Matches directories recursively.
- * <code>?</code>:: Matches any one character. Equivalent to
- * <code>/.{1}/</code> in regexp.
- * <code>[set]</code>:: Matches any one character in +set+.
- * Behaves exactly like character sets in
- * Regexp, including set negation
- * (<code>[^a-z]</code>).
- * <code>{p,q}</code>:: Matches either literal <code>p</code> or
- * literal <code>q</code>. Matching literals
- * may be more than one character in length.
- * More than two literals may be specified.
- * Equivalent to pattern alternation in
- * regexp.
- * <code>\</code>:: Escapes the next metacharacter.
- *
- * Dir["config.?"] #=> ["config.h"]
- * Dir.glob("config.?") #=> ["config.h"]
- * Dir.glob("*.[a-z][a-z]") #=> ["main.rb"]
- * Dir.glob("*.[^r]*") #=> ["config.h"]
- * Dir.glob("*.{rb,h}") #=> ["main.rb", "config.h"]
- * Dir.glob("*") #=> ["config.h", "main.rb"]
- * Dir.glob("*", File::FNM_DOTMATCH) #=> [".", "..", "config.h", "main.rb"]
- *
- * rbfiles = File.join("**", "*.rb")
- * Dir.glob(rbfiles) #=> ["main.rb",
- * "lib/song.rb",
- * "lib/song/karaoke.rb"]
- * libdirs = File.join("**", "lib")
- * Dir.glob(libdirs) #=> ["lib"]
- *
- * librbfiles = File.join("**", "lib", "**", "*.rb")
- * Dir.glob(librbfiles) #=> ["lib/song.rb",
- * "lib/song/karaoke.rb"]
- *
- * librbfiles = File.join("**", "lib", "*.rb")
- * Dir.glob(librbfiles) #=> ["lib/song.rb"]
- */
-static VALUE
-dir_s_glob(argc, argv, obj)
- int argc;
- VALUE *argv;
- VALUE obj;
-{
- VALUE str, rflags;
- int flags;
-
- if (rb_scan_args(argc, argv, "11", &str, &rflags) == 2)
- flags = NUM2INT(rflags);
- else
- flags = 0;
-
- return rb_push_glob(str, flags);
-}
-
-static VALUE
-dir_open_dir(path)
- VALUE path;
-{
- VALUE dir = rb_funcall(rb_cDir, rb_intern("open"), 1, path);
-
- if (TYPE(dir) != T_DATA ||
- RDATA(dir)->dfree != (RUBY_DATA_FUNC)free_dir) {
- rb_raise(rb_eTypeError, "wrong argument type %s (expected Dir)",
- rb_obj_classname(dir));
- }
- return dir;
-}
-
-
-/*
- * call-seq:
- * Dir.foreach( dirname ) {| filename | block } => nil
- *
- * Calls the block once for each entry in the named directory, passing
- * the filename of each entry as a parameter to the block.
- *
- * Dir.foreach("testdir") {|x| puts "Got #{x}" }
- *
- * <em>produces:</em>
- *
- * Got .
- * Got ..
- * Got config.h
- * Got main.rb
- *
- */
-static VALUE
-dir_foreach(io, dirname)
- VALUE io, dirname;
-{
- VALUE dir;
-
- dir = dir_open_dir(dirname);
- rb_ensure(dir_each, dir, dir_close, dir);
- return Qnil;
-}
-
-/*
- * call-seq:
- * Dir.entries( dirname ) => array
- *
- * Returns an array containing all of the filenames in the given
- * directory. Will raise a <code>SystemCallError</code> if the named
- * directory doesn't exist.
- *
- * Dir.entries("testdir") #=> [".", "..", "config.h", "main.rb"]
- *
- */
-static VALUE
-dir_entries(io, dirname)
- VALUE io, dirname;
-{
- VALUE dir;
-
- dir = dir_open_dir(dirname);
- return rb_ensure(rb_Array, dir, dir_close, dir);
-}
-
-/*
- * call-seq:
- * File.fnmatch( pattern, path, [flags] ) => (true or false)
- * File.fnmatch?( pattern, path, [flags] ) => (true or false)
- *
- * Returns true if <i>path</i> matches against <i>pattern</i> The
- * pattern is not a regular expression; instead it follows rules
- * similar to shell filename globbing. It may contain the following
- * metacharacters:
- *
- * <code>*</code>:: Matches any file. Can be restricted by
- * other values in the glob. <code>*</code>
- * will match all files; <code>c*</code> will
- * match all files beginning with
- * <code>c</code>; <code>*c</code> will match
- * all files ending with <code>c</code>; and
- * <code>*c*</code> will match all files that
- * have <code>c</code> in them (including at
- * the beginning or end). Equivalent to
- * <code>/ .* /x</code> in regexp.
- * <code>?</code>:: Matches any one character. Equivalent to
- * <code>/.{1}/</code> in regexp.
- * <code>[set]</code>:: Matches any one character in +set+.
- * Behaves exactly like character sets in
- * Regexp, including set negation
- * (<code>[^a-z]</code>).
- * <code>\</code>:: Escapes the next metacharacter.
- *
- * <i>flags</i> is a bitwise OR of the <code>FNM_xxx</code>
- * parameters. The same glob pattern and flags are used by
- * <code>Dir::glob</code>.
- *
- * File.fnmatch('cat', 'cat') #=> true
- * File.fnmatch('cat', 'category') #=> false
- * File.fnmatch('c{at,ub}s', 'cats') #=> false
- * File.fnmatch('c{at,ub}s', 'cubs') #=> false
- * File.fnmatch('c{at,ub}s', 'cat') #=> false
- *
- * File.fnmatch('c?t', 'cat') #=> true
- * File.fnmatch('c\?t', 'cat') #=> false
- * File.fnmatch('c??t', 'cat') #=> false
- * File.fnmatch('c*', 'cats') #=> true
- * File.fnmatch('c/ * FIXME * /t', 'c/a/b/c/t') #=> true
- * File.fnmatch('c*t', 'cat') #=> true
- * File.fnmatch('c\at', 'cat') #=> true
- * File.fnmatch('c\at', 'cat', File::FNM_NOESCAPE) #=> false
- * File.fnmatch('a?b', 'a/b') #=> true
- * File.fnmatch('a?b', 'a/b', File::FNM_PATHNAME) #=> false
- *
- * File.fnmatch('*', '.profile') #=> false
- * File.fnmatch('*', '.profile', File::FNM_DOTMATCH) #=> true
- * File.fnmatch('*', 'dave/.profile') #=> true
- * File.fnmatch('*', 'dave/.profile', File::FNM_DOTMATCH) #=> true
- * File.fnmatch('*', 'dave/.profile', File::FNM_PATHNAME) #=> false
- * File.fnmatch('* / FIXME *', 'dave/.profile', File::FNM_PATHNAME) #=> false
- * STRICT = File::FNM_PATHNAME | File::FNM_DOTMATCH
- * File.fnmatch('* / FIXME *', 'dave/.profile', STRICT) #=> true
- */
-static VALUE
-file_s_fnmatch(argc, argv, obj)
- int argc;
- VALUE *argv;
- VALUE obj;
-{
- VALUE pattern, path;
- VALUE rflags;
- int flags;
-
- if (rb_scan_args(argc, argv, "21", &pattern, &path, &rflags) == 3)
- flags = NUM2INT(rflags);
- else
- flags = 0;
-
- StringValue(pattern);
- StringValue(path);
-
- if (fnmatch(RSTRING(pattern)->ptr, RSTRING(path)->ptr, flags) == 0)
- return Qtrue;
-
- return Qfalse;
-}
-
-/*
- * Objects of class <code>Dir</code> are directory streams representing
- * directories in the underlying file system. They provide a variety of
- * ways to list directories and their contents. See also
- * <code>File</code>.
- *
- * The directory used in these examples contains the two regular files
- * (<code>config.h</code> and <code>main.rb</code>), the parent
- * directory (<code>..</code>), and the directory itself
- * (<code>.</code>).
- */
-void
-Init_Dir()
-{
- rb_cDir = rb_define_class("Dir", rb_cObject);
-
- rb_include_module(rb_cDir, rb_mEnumerable);
-
- rb_define_alloc_func(rb_cDir, dir_s_alloc);
- rb_define_singleton_method(rb_cDir, "open", dir_s_open, 1);
- rb_define_singleton_method(rb_cDir, "foreach", dir_foreach, 1);
- rb_define_singleton_method(rb_cDir, "entries", dir_entries, 1);
-
- rb_define_method(rb_cDir,"initialize", dir_initialize, 1);
- rb_define_method(rb_cDir,"path", dir_path, 0);
- rb_define_method(rb_cDir,"read", dir_read, 0);
- rb_define_method(rb_cDir,"each", dir_each, 0);
- rb_define_method(rb_cDir,"rewind", dir_rewind, 0);
- rb_define_method(rb_cDir,"tell", dir_tell, 0);
- rb_define_method(rb_cDir,"seek", dir_seek, 1);
- rb_define_method(rb_cDir,"pos", dir_tell, 0);
- rb_define_method(rb_cDir,"pos=", dir_set_pos, 1);
- rb_define_method(rb_cDir,"close", dir_close, 0);
-
- rb_define_singleton_method(rb_cDir,"chdir", dir_s_chdir, -1);
- rb_define_singleton_method(rb_cDir,"getwd", dir_s_getwd, 0);
- rb_define_singleton_method(rb_cDir,"pwd", dir_s_getwd, 0);
- rb_define_singleton_method(rb_cDir,"chroot", dir_s_chroot, 1);
- rb_define_singleton_method(rb_cDir,"mkdir", dir_s_mkdir, -1);
- rb_define_singleton_method(rb_cDir,"rmdir", dir_s_rmdir, 1);
- rb_define_singleton_method(rb_cDir,"delete", dir_s_rmdir, 1);
- rb_define_singleton_method(rb_cDir,"unlink", dir_s_rmdir, 1);
-
- rb_define_singleton_method(rb_cDir,"glob", dir_s_glob, -1);
- rb_define_singleton_method(rb_cDir,"[]", dir_s_aref, 1);
-
- rb_define_singleton_method(rb_cFile,"fnmatch", file_s_fnmatch, -1);
- rb_define_singleton_method(rb_cFile,"fnmatch?", file_s_fnmatch, -1);
-
- rb_file_const("FNM_NOESCAPE", INT2FIX(FNM_NOESCAPE));
- rb_file_const("FNM_PATHNAME", INT2FIX(FNM_PATHNAME));
- rb_file_const("FNM_DOTMATCH", INT2FIX(FNM_DOTMATCH));
- rb_file_const("FNM_CASEFOLD", INT2FIX(FNM_CASEFOLD));
- rb_file_const("FNM_SYSCASE", INT2FIX(FNM_SYSCASE));
-}