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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /posix/glob.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'posix/glob.c')
-rw-r--r--posix/glob.c1351
1 files changed, 0 insertions, 1351 deletions
diff --git a/posix/glob.c b/posix/glob.c
deleted file mode 100644
index 0079a15a92..0000000000
--- a/posix/glob.c
+++ /dev/null
@@ -1,1351 +0,0 @@
-/* Copyright (C) 1991-2002,2003,2004,2005,2006 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <glob.h>
-
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stddef.h>
-
-/* Outcomment the following line for production quality code. */
-/* #define NDEBUG 1 */
-#include <assert.h>
-
-#include <stdio.h> /* Needed on stupid SunOS for assert. */
-
-#if !defined _LIBC || !defined GLOB_ONLY_P
-#if defined HAVE_UNISTD_H || defined _LIBC
-# include <unistd.h>
-# ifndef POSIX
-# ifdef _POSIX_VERSION
-# define POSIX
-# endif
-# endif
-#endif
-
-#include <pwd.h>
-
-#include <errno.h>
-#ifndef __set_errno
-# define __set_errno(val) errno = (val)
-#endif
-
-#if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# define NAMLEN(dirent) (dirent)->d_namlen
-# ifdef HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif
-# ifdef HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif
-# ifdef HAVE_NDIR_H
-# include <ndir.h>
-# endif
-# ifdef HAVE_VMSDIR_H
-# include "vmsdir.h"
-# endif /* HAVE_VMSDIR_H */
-#endif
-
-
-/* In GNU systems, <dirent.h> defines this macro for us. */
-#ifdef _D_NAMLEN
-# undef NAMLEN
-# define NAMLEN(d) _D_NAMLEN(d)
-#endif
-
-/* When used in the GNU libc the symbol _DIRENT_HAVE_D_TYPE is available
- if the `d_type' member for `struct dirent' is available.
- HAVE_STRUCT_DIRENT_D_TYPE plays the same role in GNULIB. */
-#if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE
-/* True if the directory entry D must be of type T. */
-# define DIRENT_MUST_BE(d, t) ((d)->d_type == (t))
-
-/* True if the directory entry D might be a symbolic link. */
-# define DIRENT_MIGHT_BE_SYMLINK(d) \
- ((d)->d_type == DT_UNKNOWN || (d)->d_type == DT_LNK)
-
-/* True if the directory entry D might be a directory. */
-# define DIRENT_MIGHT_BE_DIR(d) \
- ((d)->d_type == DT_DIR || DIRENT_MIGHT_BE_SYMLINK (d))
-
-#else /* !HAVE_D_TYPE */
-# define DIRENT_MUST_BE(d, t) false
-# define DIRENT_MIGHT_BE_SYMLINK(d) true
-# define DIRENT_MIGHT_BE_DIR(d) true
-#endif /* HAVE_D_TYPE */
-
-/* If the system has the `struct dirent64' type we use it internally. */
-#if defined _LIBC && !defined COMPILE_GLOB64
-# if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__
-# define CONVERT_D_NAMLEN(d64, d32)
-# else
-# define CONVERT_D_NAMLEN(d64, d32) \
- (d64)->d_namlen = (d32)->d_namlen;
-# endif
-
-# if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__
-# define CONVERT_D_INO(d64, d32)
-# else
-# define CONVERT_D_INO(d64, d32) \
- (d64)->d_ino = (d32)->d_ino;
-# endif
-
-# ifdef _DIRENT_HAVE_D_TYPE
-# define CONVERT_D_TYPE(d64, d32) \
- (d64)->d_type = (d32)->d_type;
-# else
-# define CONVERT_D_TYPE(d64, d32)
-# endif
-
-# define CONVERT_DIRENT_DIRENT64(d64, d32) \
- memcpy ((d64)->d_name, (d32)->d_name, NAMLEN (d32) + 1); \
- CONVERT_D_NAMLEN (d64, d32) \
- CONVERT_D_INO (d64, d32) \
- CONVERT_D_TYPE (d64, d32)
-#endif
-
-
-#if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__
-/* Posix does not require that the d_ino field be present, and some
- systems do not provide it. */
-# define REAL_DIR_ENTRY(dp) 1
-#else
-# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
-#endif /* POSIX */
-
-#include <stdlib.h>
-#include <string.h>
-
-/* NAME_MAX is usually defined in <dirent.h> or <limits.h>. */
-#include <limits.h>
-#ifndef NAME_MAX
-# define NAME_MAX (sizeof (((struct dirent *) 0)->d_name))
-#endif
-
-#include <alloca.h>
-
-#ifdef _LIBC
-# undef strdup
-# define strdup(str) __strdup (str)
-# define sysconf(id) __sysconf (id)
-# define closedir(dir) __closedir (dir)
-# define opendir(name) __opendir (name)
-# define readdir(str) __readdir64 (str)
-# define getpwnam_r(name, bufp, buf, len, res) \
- __getpwnam_r (name, bufp, buf, len, res)
-# ifndef __stat64
-# define __stat64(fname, buf) __xstat64 (_STAT_VER, fname, buf)
-# endif
-# define struct_stat64 struct stat64
-#else /* !_LIBC */
-# include "getlogin_r.h"
-# include "mempcpy.h"
-# include "stat-macros.h"
-# include "strdup.h"
-# define __stat64(fname, buf) stat (fname, buf)
-# define struct_stat64 struct stat
-# define __stat(fname, buf) stat (fname, buf)
-# define __alloca alloca
-# define __readdir readdir
-# define __readdir64 readdir64
-# define __glob_pattern_p glob_pattern_p
-#endif /* _LIBC */
-
-#include <fnmatch.h>
-
-#ifdef _SC_GETPW_R_SIZE_MAX
-# define GETPW_R_SIZE_MAX() sysconf (_SC_GETPW_R_SIZE_MAX)
-#else
-# define GETPW_R_SIZE_MAX() (-1)
-#endif
-#ifdef _SC_LOGIN_NAME_MAX
-# define GET_LOGIN_NAME_MAX() sysconf (_SC_LOGIN_NAME_MAX)
-#else
-# define GET_LOGIN_NAME_MAX() (-1)
-#endif
-
-static const char *next_brace_sub (const char *begin, int flags) __THROW;
-
-#endif /* !defined _LIBC || !defined GLOB_ONLY_P */
-
-static int glob_in_dir (const char *pattern, const char *directory,
- int flags, int (*errfunc) (const char *, int),
- glob_t *pglob);
-
-#if !defined _LIBC || !defined GLOB_ONLY_P
-static int prefix_array (const char *prefix, char **array, size_t n) __THROW;
-static int collated_compare (const void *, const void *) __THROW;
-
-
-/* Find the end of the sub-pattern in a brace expression. */
-static const char *
-next_brace_sub (const char *cp, int flags)
-{
- unsigned int depth = 0;
- while (*cp != '\0')
- if ((flags & GLOB_NOESCAPE) == 0 && *cp == '\\')
- {
- if (*++cp == '\0')
- break;
- ++cp;
- }
- else
- {
- if ((*cp == '}' && depth-- == 0) || (*cp == ',' && depth == 0))
- break;
-
- if (*cp++ == '{')
- depth++;
- }
-
- return *cp != '\0' ? cp : NULL;
-}
-
-#endif /* !defined _LIBC || !defined GLOB_ONLY_P */
-
-/* Do glob searching for PATTERN, placing results in PGLOB.
- The bits defined above may be set in FLAGS.
- If a directory cannot be opened or read and ERRFUNC is not nil,
- it is called with the pathname that caused the error, and the
- `errno' value from the failing call; if it returns non-zero
- `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored.
- If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
- Otherwise, `glob' returns zero. */
-int
-#ifdef GLOB_ATTRIBUTE
-GLOB_ATTRIBUTE
-#endif
-glob (pattern, flags, errfunc, pglob)
- const char *pattern;
- int flags;
- int (*errfunc) (const char *, int);
- glob_t *pglob;
-{
- const char *filename;
- const char *dirname;
- size_t dirlen;
- int status;
- size_t oldcount;
-
- if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
- {
- __set_errno (EINVAL);
- return -1;
- }
-
- if (!(flags & GLOB_DOOFFS))
- /* Have to do this so `globfree' knows where to start freeing. It
- also makes all the code that uses gl_offs simpler. */
- pglob->gl_offs = 0;
-
- if (flags & GLOB_BRACE)
- {
- const char *begin;
-
- if (flags & GLOB_NOESCAPE)
- begin = strchr (pattern, '{');
- else
- {
- begin = pattern;
- while (1)
- {
- if (*begin == '\0')
- {
- begin = NULL;
- break;
- }
-
- if (*begin == '\\' && begin[1] != '\0')
- ++begin;
- else if (*begin == '{')
- break;
-
- ++begin;
- }
- }
-
- if (begin != NULL)
- {
- /* Allocate working buffer large enough for our work. Note that
- we have at least an opening and closing brace. */
- size_t firstc;
- char *alt_start;
- const char *p;
- const char *next;
- const char *rest;
- size_t rest_len;
-#ifdef __GNUC__
- char onealt[strlen (pattern) - 1];
-#else
- char *onealt = (char *) malloc (strlen (pattern) - 1);
- if (onealt == NULL)
- {
- if (!(flags & GLOB_APPEND))
- {
- pglob->gl_pathc = 0;
- pglob->gl_pathv = NULL;
- }
- return GLOB_NOSPACE;
- }
-#endif
-
- /* We know the prefix for all sub-patterns. */
- alt_start = mempcpy (onealt, pattern, begin - pattern);
-
- /* Find the first sub-pattern and at the same time find the
- rest after the closing brace. */
- next = next_brace_sub (begin + 1, flags);
- if (next == NULL)
- {
- /* It is an illegal expression. */
-#ifndef __GNUC__
- free (onealt);
-#endif
- return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
- }
-
- /* Now find the end of the whole brace expression. */
- rest = next;
- while (*rest != '}')
- {
- rest = next_brace_sub (rest + 1, flags);
- if (rest == NULL)
- {
- /* It is an illegal expression. */
-#ifndef __GNUC__
- free (onealt);
-#endif
- return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
- }
- }
- /* Please note that we now can be sure the brace expression
- is well-formed. */
- rest_len = strlen (++rest) + 1;
-
- /* We have a brace expression. BEGIN points to the opening {,
- NEXT points past the terminator of the first element, and END
- points past the final }. We will accumulate result names from
- recursive runs for each brace alternative in the buffer using
- GLOB_APPEND. */
-
- if (!(flags & GLOB_APPEND))
- {
- /* This call is to set a new vector, so clear out the
- vector so we can append to it. */
- pglob->gl_pathc = 0;
- pglob->gl_pathv = NULL;
- }
- firstc = pglob->gl_pathc;
-
- p = begin + 1;
- while (1)
- {
- int result;
-
- /* Construct the new glob expression. */
- mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len);
-
- result = glob (onealt,
- ((flags & ~(GLOB_NOCHECK | GLOB_NOMAGIC))
- | GLOB_APPEND), errfunc, pglob);
-
- /* If we got an error, return it. */
- if (result && result != GLOB_NOMATCH)
- {
-#ifndef __GNUC__
- free (onealt);
-#endif
- if (!(flags & GLOB_APPEND))
- {
- globfree (pglob);
- pglob->gl_pathc = 0;
- }
- return result;
- }
-
- if (*next == '}')
- /* We saw the last entry. */
- break;
-
- p = next + 1;
- next = next_brace_sub (p, flags);
- assert (next != NULL);
- }
-
-#ifndef __GNUC__
- free (onealt);
-#endif
-
- if (pglob->gl_pathc != firstc)
- /* We found some entries. */
- return 0;
- else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
- return GLOB_NOMATCH;
- }
- }
-
- /* Find the filename. */
- filename = strrchr (pattern, '/');
-#if defined __MSDOS__ || defined WINDOWS32
- /* The case of "d:pattern". Since `:' is not allowed in
- file names, we can safely assume that wherever it
- happens in pattern, it signals the filename part. This
- is so we could some day support patterns like "[a-z]:foo". */
- if (filename == NULL)
- filename = strchr (pattern, ':');
-#endif /* __MSDOS__ || WINDOWS32 */
- if (filename == NULL)
- {
- /* This can mean two things: a simple name or "~name". The latter
- case is nothing but a notation for a directory. */
- if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && pattern[0] == '~')
- {
- dirname = pattern;
- dirlen = strlen (pattern);
-
- /* Set FILENAME to NULL as a special flag. This is ugly but
- other solutions would require much more code. We test for
- this special case below. */
- filename = NULL;
- }
- else
- {
- filename = pattern;
-#ifdef _AMIGA
- dirname = "";
-#else
- dirname = ".";
-#endif
- dirlen = 0;
- }
- }
- else if (filename == pattern)
- {
- /* "/pattern". */
- dirname = "/";
- dirlen = 1;
- ++filename;
- }
- else
- {
- char *newp;
- dirlen = filename - pattern;
-#if defined __MSDOS__ || defined WINDOWS32
- if (*filename == ':'
- || (filename > pattern + 1 && filename[-1] == ':'))
- {
- char *drive_spec;
-
- ++dirlen;
- drive_spec = (char *) __alloca (dirlen + 1);
- *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0';
- /* For now, disallow wildcards in the drive spec, to
- prevent infinite recursion in glob. */
- if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE)))
- return GLOB_NOMATCH;
- /* If this is "d:pattern", we need to copy `:' to DIRNAME
- as well. If it's "d:/pattern", don't remove the slash
- from "d:/", since "d:" and "d:/" are not the same.*/
- }
-#endif
- newp = (char *) __alloca (dirlen + 1);
- *((char *) mempcpy (newp, pattern, dirlen)) = '\0';
- dirname = newp;
- ++filename;
-
- if (filename[0] == '\0'
-#if defined __MSDOS__ || defined WINDOWS32
- && dirname[dirlen - 1] != ':'
- && (dirlen < 3 || dirname[dirlen - 2] != ':'
- || dirname[dirlen - 1] != '/')
-#endif
- && dirlen > 1)
- /* "pattern/". Expand "pattern", appending slashes. */
- {
- int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob);
- if (val == 0)
- pglob->gl_flags = ((pglob->gl_flags & ~GLOB_MARK)
- | (flags & GLOB_MARK));
- return val;
- }
- }
-
- if (!(flags & GLOB_APPEND))
- {
- pglob->gl_pathc = 0;
- if (!(flags & GLOB_DOOFFS))
- pglob->gl_pathv = NULL;
- else
- {
- size_t i;
- pglob->gl_pathv = (char **) malloc ((pglob->gl_offs + 1)
- * sizeof (char *));
- if (pglob->gl_pathv == NULL)
- return GLOB_NOSPACE;
-
- for (i = 0; i <= pglob->gl_offs; ++i)
- pglob->gl_pathv[i] = NULL;
- }
- }
-
- oldcount = pglob->gl_pathc + pglob->gl_offs;
-
-#ifndef VMS
- if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~')
- {
- if (dirname[1] == '\0' || dirname[1] == '/')
- {
- /* Look up home directory. */
- const char *home_dir = getenv ("HOME");
-# ifdef _AMIGA
- if (home_dir == NULL || home_dir[0] == '\0')
- home_dir = "SYS:";
-# else
-# ifdef WINDOWS32
- if (home_dir == NULL || home_dir[0] == '\0')
- home_dir = "c:/users/default"; /* poor default */
-# else
- if (home_dir == NULL || home_dir[0] == '\0')
- {
- int success;
- char *name;
- size_t buflen = GET_LOGIN_NAME_MAX () + 1;
-
- if (buflen == 0)
- /* `sysconf' does not support _SC_LOGIN_NAME_MAX. Try
- a moderate value. */
- buflen = 20;
- name = (char *) __alloca (buflen);
-
- success = getlogin_r (name, buflen) == 0;
- if (success)
- {
- struct passwd *p;
-# if defined HAVE_GETPWNAM_R || defined _LIBC
- long int pwbuflen = GETPW_R_SIZE_MAX ();
- char *pwtmpbuf;
- struct passwd pwbuf;
- int save = errno;
-
-# ifndef _LIBC
- if (pwbuflen == -1)
- /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX.
- Try a moderate value. */
- pwbuflen = 1024;
-# endif
- pwtmpbuf = (char *) __alloca (pwbuflen);
-
- while (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p)
- != 0)
- {
- if (errno != ERANGE)
- {
- p = NULL;
- break;
- }
-# ifdef _LIBC
- pwtmpbuf = extend_alloca (pwtmpbuf, pwbuflen,
- 2 * pwbuflen);
-# else
- pwbuflen *= 2;
- pwtmpbuf = (char *) __alloca (pwbuflen);
-# endif
- __set_errno (save);
- }
-# else
- p = getpwnam (name);
-# endif
- if (p != NULL)
- home_dir = p->pw_dir;
- }
- }
- if (home_dir == NULL || home_dir[0] == '\0')
- {
- if (flags & GLOB_TILDE_CHECK)
- return GLOB_NOMATCH;
- else
- home_dir = "~"; /* No luck. */
- }
-# endif /* WINDOWS32 */
-# endif
- /* Now construct the full directory. */
- if (dirname[1] == '\0')
- dirname = home_dir;
- else
- {
- char *newp;
- size_t home_len = strlen (home_dir);
- newp = (char *) __alloca (home_len + dirlen);
- mempcpy (mempcpy (newp, home_dir, home_len),
- &dirname[1], dirlen);
- dirname = newp;
- }
- }
-# if !defined _AMIGA && !defined WINDOWS32
- else
- {
- char *end_name = strchr (dirname, '/');
- const char *user_name;
- const char *home_dir;
-
- if (end_name == NULL)
- user_name = dirname + 1;
- else
- {
- char *newp;
- newp = (char *) __alloca (end_name - dirname);
- *((char *) mempcpy (newp, dirname + 1, end_name - dirname))
- = '\0';
- user_name = newp;
- }
-
- /* Look up specific user's home directory. */
- {
- struct passwd *p;
-# if defined HAVE_GETPWNAM_R || defined _LIBC
- long int buflen = GETPW_R_SIZE_MAX ();
- char *pwtmpbuf;
- struct passwd pwbuf;
- int save = errno;
-
-# ifndef _LIBC
- if (buflen == -1)
- /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. Try a
- moderate value. */
- buflen = 1024;
-# endif
- pwtmpbuf = (char *) __alloca (buflen);
-
- while (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) != 0)
- {
- if (errno != ERANGE)
- {
- p = NULL;
- break;
- }
-# ifdef _LIBC
- pwtmpbuf = extend_alloca (pwtmpbuf, buflen, 2 * buflen);
-# else
- buflen *= 2;
- pwtmpbuf = __alloca (buflen);
-# endif
- __set_errno (save);
- }
-# else
- p = getpwnam (user_name);
-# endif
- if (p != NULL)
- home_dir = p->pw_dir;
- else
- home_dir = NULL;
- }
- /* If we found a home directory use this. */
- if (home_dir != NULL)
- {
- char *newp;
- size_t home_len = strlen (home_dir);
- size_t rest_len = end_name == NULL ? 0 : strlen (end_name);
- newp = (char *) __alloca (home_len + rest_len + 1);
- *((char *) mempcpy (mempcpy (newp, home_dir, home_len),
- end_name, rest_len)) = '\0';
- dirname = newp;
- }
- else
- if (flags & GLOB_TILDE_CHECK)
- /* We have to regard it as an error if we cannot find the
- home directory. */
- return GLOB_NOMATCH;
- }
-# endif /* Not Amiga && not WINDOWS32. */
- }
-#endif /* Not VMS. */
-
- /* Now test whether we looked for "~" or "~NAME". In this case we
- can give the answer now. */
- if (filename == NULL)
- {
- struct stat st;
- struct_stat64 st64;
-
- /* Return the directory if we don't check for error or if it exists. */
- if ((flags & GLOB_NOCHECK)
- || (((flags & GLOB_ALTDIRFUNC)
- ? ((*pglob->gl_stat) (dirname, &st) == 0
- && S_ISDIR (st.st_mode))
- : (__stat64 (dirname, &st64) == 0 && S_ISDIR (st64.st_mode)))))
- {
- int newcount = pglob->gl_pathc + pglob->gl_offs;
- char **new_gl_pathv;
-
- new_gl_pathv
- = (char **) realloc (pglob->gl_pathv,
- (newcount + 1 + 1) * sizeof (char *));
- if (new_gl_pathv == NULL)
- {
- nospace:
- free (pglob->gl_pathv);
- pglob->gl_pathv = NULL;
- pglob->gl_pathc = 0;
- return GLOB_NOSPACE;
- }
- pglob->gl_pathv = new_gl_pathv;
-
- pglob->gl_pathv[newcount] = strdup (dirname);
- if (pglob->gl_pathv[newcount] == NULL)
- goto nospace;
- pglob->gl_pathv[++newcount] = NULL;
- ++pglob->gl_pathc;
- pglob->gl_flags = flags;
-
- return 0;
- }
-
- /* Not found. */
- return GLOB_NOMATCH;
- }
-
- if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE)))
- {
- /* The directory name contains metacharacters, so we
- have to glob for the directory, and then glob for
- the pattern in each directory found. */
- glob_t dirs;
- size_t i;
-
- if ((flags & GLOB_ALTDIRFUNC) != 0)
- {
- /* Use the alternative access functions also in the recursive
- call. */
- dirs.gl_opendir = pglob->gl_opendir;
- dirs.gl_readdir = pglob->gl_readdir;
- dirs.gl_closedir = pglob->gl_closedir;
- dirs.gl_stat = pglob->gl_stat;
- dirs.gl_lstat = pglob->gl_lstat;
- }
-
- status = glob (dirname,
- ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE
- | GLOB_ALTDIRFUNC))
- | GLOB_NOSORT | GLOB_ONLYDIR),
- errfunc, &dirs);
- if (status != 0)
- return status;
-
- /* We have successfully globbed the preceding directory name.
- For each name we found, call glob_in_dir on it and FILENAME,
- appending the results to PGLOB. */
- for (i = 0; i < dirs.gl_pathc; ++i)
- {
- int old_pathc;
-
-#ifdef SHELL
- {
- /* Make globbing interruptible in the bash shell. */
- extern int interrupt_state;
-
- if (interrupt_state)
- {
- globfree (&dirs);
- return GLOB_ABORTED;
- }
- }
-#endif /* SHELL. */
-
- old_pathc = pglob->gl_pathc;
- status = glob_in_dir (filename, dirs.gl_pathv[i],
- ((flags | GLOB_APPEND)
- & ~(GLOB_NOCHECK | GLOB_NOMAGIC)),
- errfunc, pglob);
- if (status == GLOB_NOMATCH)
- /* No matches in this directory. Try the next. */
- continue;
-
- if (status != 0)
- {
- globfree (&dirs);
- globfree (pglob);
- pglob->gl_pathc = 0;
- return status;
- }
-
- /* Stick the directory on the front of each name. */
- if (prefix_array (dirs.gl_pathv[i],
- &pglob->gl_pathv[old_pathc + pglob->gl_offs],
- pglob->gl_pathc - old_pathc))
- {
- globfree (&dirs);
- globfree (pglob);
- pglob->gl_pathc = 0;
- return GLOB_NOSPACE;
- }
- }
-
- flags |= GLOB_MAGCHAR;
-
- /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls.
- But if we have not found any matching entry and the GLOB_NOCHECK
- flag was set we must return the input pattern itself. */
- if (pglob->gl_pathc + pglob->gl_offs == oldcount)
- {
- /* No matches. */
- if (flags & GLOB_NOCHECK)
- {
- int newcount = pglob->gl_pathc + pglob->gl_offs;
- char **new_gl_pathv;
-
- new_gl_pathv = (char **) realloc (pglob->gl_pathv,
- (newcount + 2)
- * sizeof (char *));
- if (new_gl_pathv == NULL)
- {
- globfree (&dirs);
- return GLOB_NOSPACE;
- }
- pglob->gl_pathv = new_gl_pathv;
-
- pglob->gl_pathv[newcount] = __strdup (pattern);
- if (pglob->gl_pathv[newcount] == NULL)
- {
- globfree (&dirs);
- globfree (pglob);
- pglob->gl_pathc = 0;
- return GLOB_NOSPACE;
- }
-
- ++pglob->gl_pathc;
- ++newcount;
-
- pglob->gl_pathv[newcount] = NULL;
- pglob->gl_flags = flags;
- }
- else
- {
- globfree (&dirs);
- return GLOB_NOMATCH;
- }
- }
-
- globfree (&dirs);
- }
- else
- {
- int old_pathc = pglob->gl_pathc;
-
- status = glob_in_dir (filename, dirname, flags, errfunc, pglob);
- if (status != 0)
- return status;
-
- if (dirlen > 0)
- {
- /* Stick the directory on the front of each name. */
- if (prefix_array (dirname,
- &pglob->gl_pathv[old_pathc + pglob->gl_offs],
- pglob->gl_pathc - old_pathc))
- {
- globfree (pglob);
- pglob->gl_pathc = 0;
- return GLOB_NOSPACE;
- }
- }
- }
-
- if (flags & GLOB_MARK)
- {
- /* Append slashes to directory names. */
- size_t i;
- struct stat st;
- struct_stat64 st64;
-
- for (i = oldcount; i < pglob->gl_pathc + pglob->gl_offs; ++i)
- if (((flags & GLOB_ALTDIRFUNC)
- ? ((*pglob->gl_stat) (pglob->gl_pathv[i], &st) == 0
- && S_ISDIR (st.st_mode))
- : (__stat64 (pglob->gl_pathv[i], &st64) == 0
- && S_ISDIR (st64.st_mode))))
- {
- size_t len = strlen (pglob->gl_pathv[i]) + 2;
- char *new = realloc (pglob->gl_pathv[i], len);
- if (new == NULL)
- {
- globfree (pglob);
- pglob->gl_pathc = 0;
- return GLOB_NOSPACE;
- }
- strcpy (&new[len - 2], "/");
- pglob->gl_pathv[i] = new;
- }
- }
-
- if (!(flags & GLOB_NOSORT))
- {
- /* Sort the vector. */
- qsort (&pglob->gl_pathv[oldcount],
- pglob->gl_pathc + pglob->gl_offs - oldcount,
- sizeof (char *), collated_compare);
- }
-
- return 0;
-}
-#if defined _LIBC && !defined glob
-libc_hidden_def (glob)
-#endif
-
-
-#if !defined _LIBC || !defined GLOB_ONLY_P
-
-/* Free storage allocated in PGLOB by a previous `glob' call. */
-void
-globfree (pglob)
- register glob_t *pglob;
-{
- if (pglob->gl_pathv != NULL)
- {
- size_t i;
- for (i = 0; i < pglob->gl_pathc; ++i)
- if (pglob->gl_pathv[pglob->gl_offs + i] != NULL)
- free (pglob->gl_pathv[pglob->gl_offs + i]);
- free (pglob->gl_pathv);
- pglob->gl_pathv = NULL;
- }
-}
-#if defined _LIBC && !defined globfree
-libc_hidden_def (globfree)
-#endif
-
-
-/* Do a collated comparison of A and B. */
-static int
-collated_compare (const void *a, const void *b)
-{
- const char *const s1 = *(const char *const * const) a;
- const char *const s2 = *(const char *const * const) b;
-
- if (s1 == s2)
- return 0;
- if (s1 == NULL)
- return 1;
- if (s2 == NULL)
- return -1;
- return strcoll (s1, s2);
-}
-
-
-/* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's
- elements in place. Return nonzero if out of memory, zero if successful.
- A slash is inserted between DIRNAME and each elt of ARRAY,
- unless DIRNAME is just "/". Each old element of ARRAY is freed. */
-static int
-prefix_array (const char *dirname, char **array, size_t n)
-{
- register size_t i;
- size_t dirlen = strlen (dirname);
-#if defined __MSDOS__ || defined WINDOWS32
- int sep_char = '/';
-# define DIRSEP_CHAR sep_char
-#else
-# define DIRSEP_CHAR '/'
-#endif
-
- if (dirlen == 1 && dirname[0] == '/')
- /* DIRNAME is just "/", so normal prepending would get us "//foo".
- We want "/foo" instead, so don't prepend any chars from DIRNAME. */
- dirlen = 0;
-#if defined __MSDOS__ || defined WINDOWS32
- else if (dirlen > 1)
- {
- if (dirname[dirlen - 1] == '/' && dirname[dirlen - 2] == ':')
- /* DIRNAME is "d:/". Don't prepend the slash from DIRNAME. */
- --dirlen;
- else if (dirname[dirlen - 1] == ':')
- {
- /* DIRNAME is "d:". Use `:' instead of `/'. */
- --dirlen;
- sep_char = ':';
- }
- }
-#endif
-
- for (i = 0; i < n; ++i)
- {
- size_t eltlen = strlen (array[i]) + 1;
- char *new = (char *) malloc (dirlen + 1 + eltlen);
- if (new == NULL)
- {
- while (i > 0)
- free (array[--i]);
- return 1;
- }
-
- {
- char *endp = mempcpy (new, dirname, dirlen);
- *endp++ = DIRSEP_CHAR;
- mempcpy (endp, array[i], eltlen);
- }
- free (array[i]);
- array[i] = new;
- }
-
- return 0;
-}
-
-
-/* We must not compile this function twice. */
-#if !defined _LIBC || !defined NO_GLOB_PATTERN_P
-/* Return nonzero if PATTERN contains any metacharacters.
- Metacharacters can be quoted with backslashes if QUOTE is nonzero. */
-int
-__glob_pattern_p (pattern, quote)
- const char *pattern;
- int quote;
-{
- register const char *p;
- int open = 0;
-
- for (p = pattern; *p != '\0'; ++p)
- switch (*p)
- {
- case '?':
- case '*':
- return 1;
-
- case '\\':
- if (quote && p[1] != '\0')
- ++p;
- break;
-
- case '[':
- open = 1;
- break;
-
- case ']':
- if (open)
- return 1;
- break;
- }
-
- return 0;
-}
-# ifdef _LIBC
-weak_alias (__glob_pattern_p, glob_pattern_p)
-# endif
-#endif
-
-#endif /* !GLOB_ONLY_P */
-
-
-/* We put this in a separate function mainly to allow the memory
- allocated with alloca to be recycled. */
-#if !defined _LIBC || !defined GLOB_ONLY_P
-static int
-link_exists_p (const char *dir, size_t dirlen, const char *fname,
- glob_t *pglob, int flags)
-{
- size_t fnamelen = strlen (fname);
- char *fullname = (char *) __alloca (dirlen + 1 + fnamelen + 1);
- struct stat st;
- struct_stat64 st64;
-
- mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1),
- fname, fnamelen + 1);
-
- return (((flags & GLOB_ALTDIRFUNC)
- ? (*pglob->gl_stat) (fullname, &st)
- : __stat64 (fullname, &st64)) == 0);
-}
-#endif
-
-
-/* Like `glob', but PATTERN is a final pathname component,
- and matches are searched for in DIRECTORY.
- The GLOB_NOSORT bit in FLAGS is ignored. No sorting is ever done.
- The GLOB_APPEND flag is assumed to be set (always appends). */
-static int
-glob_in_dir (const char *pattern, const char *directory, int flags,
- int (*errfunc) (const char *, int),
- glob_t *pglob)
-{
- size_t dirlen = strlen (directory);
- void *stream = NULL;
- struct globnames
- {
- struct globnames *next;
- size_t count;
- char *name[64];
- };
-#define INITIAL_COUNT sizeof (init_names.name) / sizeof (init_names.name[0])
- struct globnames init_names;
- struct globnames *names = &init_names;
- struct globnames *names_alloca = &init_names;
- size_t nfound = 0;
- size_t allocasize = sizeof (init_names);
- size_t cur = 0;
- int meta;
- int save;
-
- init_names.next = NULL;
- init_names.count = INITIAL_COUNT;
-
- meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
- if (meta == 0 && (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
- {
- /* We need not do any tests. The PATTERN contains no meta
- characters and we must not return an error therefore the
- result will always contain exactly one name. */
- flags |= GLOB_NOCHECK;
- }
- else if (meta == 0 &&
- ((flags & GLOB_NOESCAPE) || strchr (pattern, '\\') == NULL))
- {
- /* Since we use the normal file functions we can also use stat()
- to verify the file is there. */
- struct stat st;
- struct_stat64 st64;
- size_t patlen = strlen (pattern);
- char *fullname = (char *) __alloca (dirlen + 1 + patlen + 1);
-
- mempcpy (mempcpy (mempcpy (fullname, directory, dirlen),
- "/", 1),
- pattern, patlen + 1);
- if (((flags & GLOB_ALTDIRFUNC)
- ? (*pglob->gl_stat) (fullname, &st)
- : __stat64 (fullname, &st64)) == 0)
- /* We found this file to be existing. Now tell the rest
- of the function to copy this name into the result. */
- flags |= GLOB_NOCHECK;
- }
- else
- {
- if (pattern[0] == '\0')
- {
- /* This is a special case for matching directories like in
- "*a/". */
- names->name[cur] = (char *) malloc (1);
- if (names->name[cur] == NULL)
- goto memory_error;
- *names->name[cur++] = '\0';
- nfound = 1;
- meta = 0;
- }
- else
- {
- stream = ((flags & GLOB_ALTDIRFUNC)
- ? (*pglob->gl_opendir) (directory)
- : opendir (directory));
- if (stream == NULL)
- {
- if (errno != ENOTDIR
- && ((errfunc != NULL && (*errfunc) (directory, errno))
- || (flags & GLOB_ERR)))
- return GLOB_ABORTED;
- meta = 0;
- }
- else
- {
- int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0)
- | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
-#if defined _AMIGA || defined VMS
- | FNM_CASEFOLD
-#endif
- );
- flags |= GLOB_MAGCHAR;
-
- while (1)
- {
- const char *name;
- size_t len;
-#if defined _LIBC && !defined COMPILE_GLOB64
- struct dirent64 *d;
- union
- {
- struct dirent64 d64;
- char room [offsetof (struct dirent64, d_name[0])
- + NAME_MAX + 1];
- }
- d64buf;
-
- if (flags & GLOB_ALTDIRFUNC)
- {
- struct dirent *d32 = (*pglob->gl_readdir) (stream);
- if (d32 != NULL)
- {
- CONVERT_DIRENT_DIRENT64 (&d64buf.d64, d32);
- d = &d64buf.d64;
- }
- else
- d = NULL;
- }
- else
- d = __readdir64 (stream);
-#else
- struct dirent *d = ((flags & GLOB_ALTDIRFUNC)
- ? ((struct dirent *)
- (*pglob->gl_readdir) (stream))
- : __readdir (stream));
-#endif
- if (d == NULL)
- break;
- if (! REAL_DIR_ENTRY (d))
- continue;
-
- /* If we shall match only directories use the information
- provided by the dirent call if possible. */
- if ((flags & GLOB_ONLYDIR) && !DIRENT_MIGHT_BE_DIR (d))
- continue;
-
- name = d->d_name;
-
- if (fnmatch (pattern, name, fnm_flags) == 0)
- {
- /* If the file we found is a symlink we have to
- make sure the target file exists. */
- if (!DIRENT_MIGHT_BE_SYMLINK (d)
- || link_exists_p (directory, dirlen, name, pglob,
- flags))
- {
- if (cur == names->count)
- {
- struct globnames *newnames;
- size_t count = names->count * 2;
- size_t size = (sizeof (struct globnames)
- + ((count - INITIAL_COUNT)
- * sizeof (char *)));
- allocasize += size;
- if (__libc_use_alloca (allocasize))
- newnames = names_alloca = __alloca (size);
- else if ((newnames = malloc (size))
- == NULL)
- goto memory_error;
- newnames->count = count;
- newnames->next = names;
- names = newnames;
- cur = 0;
- }
- len = NAMLEN (d);
- names->name[cur] = (char *) malloc (len + 1);
- if (names->name[cur] == NULL)
- goto memory_error;
- *((char *) mempcpy (names->name[cur++], name, len))
- = '\0';
- ++nfound;
- }
- }
- }
- }
- }
- }
-
- if (nfound == 0 && (flags & GLOB_NOCHECK))
- {
- size_t len = strlen (pattern);
- nfound = 1;
- names->name[cur] = (char *) malloc (len + 1);
- if (names->name[cur] == NULL)
- goto memory_error;
- *((char *) mempcpy (names->name[cur++], pattern, len)) = '\0';
- }
-
- int result = GLOB_NOMATCH;
- if (nfound != 0)
- {
- result = 0;
-
- char **new_gl_pathv;
- new_gl_pathv
- = (char **) realloc (pglob->gl_pathv,
- (pglob->gl_pathc + pglob->gl_offs + nfound + 1)
- * sizeof (char *));
- if (new_gl_pathv == NULL)
- {
- memory_error:
- while (1)
- {
- struct globnames *old = names;
- for (size_t i = 0; i < cur; ++i)
- free (names->name[i]);
- names = names->next;
- /* NB: we will not leak memory here if we exit without
- freeing the current block assigned to OLD. At least
- the very first block is always allocated on the stack
- and this is the block assigned to OLD here. */
- if (names == NULL)
- {
- assert (old == &init_names);
- break;
- }
- cur = names->count;
- if (old == names_alloca)
- names_alloca = names;
- else
- free (old);
- }
- result = GLOB_NOSPACE;
- }
- else
- {
- while (1)
- {
- struct globnames *old = names;
- for (size_t i = 0; i < cur; ++i)
- new_gl_pathv[pglob->gl_offs + pglob->gl_pathc++]
- = names->name[i];
- names = names->next;
- /* NB: we will not leak memory here if we exit without
- freeing the current block assigned to OLD. At least
- the very first block is always allocated on the stack
- and this is the block assigned to OLD here. */
- if (names == NULL)
- {
- assert (old == &init_names);
- break;
- }
- cur = names->count;
- if (old == names_alloca)
- names_alloca = names;
- else
- free (old);
- }
-
- pglob->gl_pathv = new_gl_pathv;
-
- pglob->gl_pathv[pglob->gl_offs + pglob->gl_pathc] = NULL;
-
- pglob->gl_flags = flags;
- }
- }
-
- if (stream != NULL)
- {
- save = errno;
- if (flags & GLOB_ALTDIRFUNC)
- (*pglob->gl_closedir) (stream);
- else
- closedir (stream);
- __set_errno (save);
- }
-
- return result;
-}