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-rw-r--r--libc/misc/glob/glob.c1414
1 files changed, 451 insertions, 963 deletions
diff --git a/libc/misc/glob/glob.c b/libc/misc/glob/glob.c
index e6cfb9e78..e275018d7 100644
--- a/libc/misc/glob/glob.c
+++ b/libc/misc/glob/glob.c
@@ -1,1028 +1,516 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* AIX requires this to be the first thing in the file. */
-#if defined _AIX && !defined __GNUC__
-#pragma alloca
-#endif
+/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
-#define HAVE_DIRENT_H
+This 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
+Library General Public License for more details.
-/* Enable GNU extensions in glob.h. */
-#ifndef _GNU_SOURCE
-# define _GNU_SOURCE 1
-#endif
+You should have received a copy of the GNU Library General Public
+License along with this library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+#include <stdlib.h>
+#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
-
-/* Outcomment the following line for production quality code. */
-/* #define NDEBUG 1 */
-#include <assert.h>
-
-#include <stdio.h> /* Needed on stupid SunOS for assert. */
-
-
-/* Comment out all this code if we are using the GNU C Library, and are not
- actually compiling the library itself. This code is part of the GNU C
- Library, but also included in many other GNU distributions. Compiling
- and linking in this code is a waste when using the GNU C library
- (especially if it is a shared library). Rather than having every GNU
- program understand `configure --with-gnu-libc' and omit the object files,
- it is simpler to just do this in the source for each such file. */
-
-#define GLOB_INTERFACE_VERSION 1
-#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
-# include <gnu-versions.h>
-# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
-# define ELIDE_CODE
-# endif
-#endif
-
-#ifndef ELIDE_CODE
-
-#if defined STDC_HEADERS || defined __GNU_LIBRARY__
-# include <stddef.h>
-#endif
-
-#if defined HAVE_UNISTD_H || defined _LIBC
-# include <unistd.h>
-# ifndef POSIX
-# ifdef _POSIX_VERSION
-# define POSIX
-# endif
-# endif
-#endif
-
-#if !defined _AMIGA && !defined VMS && !defined WINDOWS32
-# include <pwd.h>
-#endif
-
-#if !defined __GNU_LIBRARY__ && !defined STDC_HEADERS
-extern int errno;
-#endif
-#ifndef __set_errno
-# define __set_errno(val) errno = (val)
-#endif
-
-#ifndef NULL
-# define NULL 0
-#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. */
-#ifdef _DIRENT_HAVE_D_TYPE
-# define HAVE_D_TYPE 1
-#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 */
-
-#if defined STDC_HEADERS || defined __GNU_LIBRARY__
-# include <stdlib.h>
-# include <string.h>
-# define ANSI_STRING
-#else /* No standard headers. */
-
-extern char *getenv();
-
-# ifdef HAVE_STRING_H
-# include <string.h>
-# define ANSI_STRING
-# else
-# include <strings.h>
-# endif
-# ifdef HAVE_MEMORY_H
-# include <memory.h>
-# endif
-
-extern char *malloc(), *realloc();
-extern void free();
-
-extern void qsort();
-extern void abort(), exit();
-
-#endif /* Standard headers. */
-
-#ifndef ANSI_STRING
-
-# ifndef bzero
-extern void bzero();
-# endif
-# ifndef bcopy
-extern void bcopy();
-# endif
-
-# define memcpy(d, s, n) bcopy ((s), (d), (n))
-# define strrchr rindex
-/* memset is only used for zero here, but let's be paranoid. */
-# define memset(s, better_be_zero, n) \
- ((void) ((better_be_zero) == 0 ? (bzero((s), (n)), 0) : (abort(), 0)))
-#endif /* Not ANSI_STRING. */
-
-#if !defined HAVE_STRCOLL && !defined _LIBC
-# define strcoll strcmp
-#endif
-
-#if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1
-# define HAVE_MEMPCPY 1
-# define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len)
-#endif
-
-
-#ifndef __GNU_LIBRARY__
-# ifdef __GNUC__
-__inline
-# endif
-# ifndef __SASC
-# ifdef WINDOWS32
-static void *
-# else
-static char *
-# endif
-my_realloc(p, n)
-char *p;
-unsigned int n;
-{
- /* These casts are the for sake of the broken Ultrix compiler,
- which warns of illegal pointer combinations otherwise. */
- if (p == NULL)
- return (char *) malloc(n);
- return (char *) realloc(p, n);
-}
-
-# define realloc my_realloc
-# endif /* __SASC */
-#endif /* __GNU_LIBRARY__ */
-
-
-#if !defined __alloca && !defined __GNU_LIBRARY__
-
-# ifdef __GNUC__
-# undef alloca
-# define alloca(n) __builtin_alloca (n)
-# else /* Not GCC. */
-# ifdef HAVE_ALLOCA_H
-# include <alloca.h>
-# else /* Not HAVE_ALLOCA_H. */
-# ifndef _AIX
-# ifdef WINDOWS32
-# include <malloc.h>
-# else
-extern char *alloca();
-# endif /* WINDOWS32 */
-# endif /* Not _AIX. */
-# endif /* sparc or HAVE_ALLOCA_H. */
-# endif /* GCC. */
-
-# define __alloca alloca
-
-#endif
-
-#ifndef __GNU_LIBRARY__
-# define __stat stat
-# ifdef STAT_MACROS_BROKEN
-# undef S_ISDIR
-# endif
-# ifndef S_ISDIR
-# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
-# endif
-#endif
-
-#if !(defined STDC_HEADERS || defined __GNU_LIBRARY__)
-# undef size_t
-# define size_t unsigned int
-#endif
-
-/* Some system header files erroneously define these.
- We want our own definitions from <fnmatch.h> to take precedence. */
-#undef FNM_PATHNAME
-#undef FNM_NOESCAPE
-#undef FNM_PERIOD
+#include <unistd.h>
+#include <dirent.h>
+#include <malloc.h>
#include <fnmatch.h>
-
-/* Some system header files erroneously define these.
- We want our own definitions from <glob.h> to take precedence. */
-#undef GLOB_ERR
-#undef GLOB_MARK
-#undef GLOB_NOSORT
-#undef GLOB_DOOFFS
-#undef GLOB_NOCHECK
-#undef GLOB_APPEND
-#undef GLOB_NOESCAPE
-#undef GLOB_PERIOD
#include <glob.h>
-static
-#if __GNUC__ - 0 >= 2
-/*inline*/
-#endif
-const char *next_brace_sub __P((const char *begin));
-static int glob_in_dir __P((const char *pattern, const char *directory,
- int flags,
- int (*errfunc) __P((const char *, int)),
- glob_t * pglob));
-static int prefix_array __P((const char *prefix, char **array, size_t n));
-static int collated_compare __P((const __ptr_t, const __ptr_t));
-
-
-/* Find the end of the sub-pattern in a brace expression. We define
- this as an inline function if the compiler permits. */
-static
-#if __GNUC__ - 0 >= 2
-/*inline*/
-#endif
-const char *next_brace_sub(begin)
-const char *begin;
-{
- unsigned int depth = 0;
- const char *cp = begin;
-
- while (1) {
- if (depth == 0) {
- if (*cp != ',' && *cp != '}' && *cp != '\0') {
- if (*cp == '{')
- ++depth;
- ++cp;
- continue;
- }
- } else {
- while (*cp != '\0' && (*cp != '}' || depth > 0)) {
- if (*cp == '}')
- --depth;
- ++cp;
- }
- if (*cp == '\0')
- /* An incorrectly terminated brace expression. */
- return NULL;
-
- continue;
- }
- break;
- }
-
- return cp;
-}
-/* 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;
-}
+__ptr_t (*__glob_opendir_hook) __P ((const char *directory));
+const char *(*__glob_readdir_hook) __P ((__ptr_t stream));
+void (*__glob_closedir_hook) __P ((__ptr_t stream));
+static int glob_pattern_p __P ((const char *pattern, int quote));
+static int glob_in_dir __P ((const char *pattern, const char *directory,
+ int flags,
+ int (*errfunc) __P ((const char *, int)),
+ glob_t *pglob));
+static int prefix_array __P ((const char *prefix, char **array, size_t n,
+ int add_slash));
+static int collated_compare __P ((const __ptr_t, const __ptr_t));
/* 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.
+ `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
Otherwise, `glob' returns zero. */
-int glob(pattern, flags, errfunc, pglob)
-const char *pattern;
-int flags;
-int (*errfunc) __P((const char *, int));
-glob_t *pglob;
+int
+glob (pattern, flags, errfunc, pglob)
+ const char *pattern;
+ int flags;
+ int (*errfunc) __P ((const char *, int));
+ glob_t *pglob;
{
- const char *filename;
- char *dirname;
- size_t dirlen;
- int status;
- int oldcount;
-
- if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0) {
- __set_errno(EINVAL);
- return -1;
- }
-
- if (flags & GLOB_BRACE) {
- const char *begin = strchr(pattern, '{');
-
- if (begin != NULL) {
- /* Allocate working buffer large enough for our work. Note that
- we have at least an opening and closing brace. */
- int 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))
- globfree(pglob);
- return GLOB_NOSPACE;
- }
-#endif
-
- /* We know the prefix for all sub-patterns. */
-#ifdef HAVE_MEMPCPY
- alt_start = mempcpy(onealt, pattern, begin - pattern);
-#else
- memcpy(onealt, pattern, begin - pattern);
- alt_start = &onealt[begin - pattern];
-#endif
-
- /* Find the first sub-pattern and at the same time find the
- rest after the closing brace. */
- next = next_brace_sub(begin + 1);
- 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);
- 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. */
-#ifdef HAVE_MEMPCPY
- mempcpy(mempcpy(alt_start, p, next - p), rest, rest_len);
-#else
- memcpy(alt_start, p, next - p);
- memcpy(&alt_start[next - p], rest, rest_len);
-#endif
-
- 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);
- return result;
- }
-
- if (*next == '}')
- /* We saw the last entry. */
- break;
-
- p = next + 1;
- next = next_brace_sub(p);
- 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 (filename == NULL) {
- filename = pattern;
-#ifdef _AMIGA
- dirname = (char *) "";
-#else
- dirname = (char *) ".";
-#endif
- dirlen = 0;
- } else if (filename == pattern) {
- /* "/pattern". */
- dirname = (char *) "/";
- dirlen = 1;
- ++filename;
- } else {
- dirlen = filename - pattern;
- dirname = (char *) __alloca(dirlen + 1);
-#ifdef HAVE_MEMPCPY
- *((char *) mempcpy(dirname, pattern, dirlen)) = '\0';
-#else
- memcpy(dirname, pattern, dirlen);
- dirname[dirlen] = '\0';
-#endif
- ++filename;
- }
-
- if (filename[0] == '\0' && dirlen > 1)
- /* "pattern/". Expand "pattern", appending slashes. */
+ const char *filename;
+ char *dirname;
+ size_t dirlen;
+ int status;
+ int oldcount;
+
+ if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ /* Find the filename. */
+ filename = strrchr (pattern, '/');
+ if (filename == NULL)
+ {
+ filename = pattern;
+ dirname = (char *) ".";
+ dirlen = 0;
+ }
+ else if (filename == pattern)
+ {
+ /* "/pattern". */
+ dirname = (char *) "/";
+ dirlen = 1;
+ ++filename;
+ }
+ else
+ {
+ dirlen = filename - pattern;
+ dirname = (char *) alloca (dirlen + 1);
+ memcpy (dirname, pattern, dirlen);
+ dirname[dirlen] = '\0';
+ ++filename;
+ }
+
+ if (filename[0] == '\0' && 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;
+ pglob->gl_pathv = NULL;
+ }
+
+ oldcount = pglob->gl_pathc;
+
+ 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;
+ register int i;
+
+ status = glob (dirname,
+ ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE)) |
+ GLOB_NOSORT),
+ 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 val = glob(dirname, flags | GLOB_MARK, errfunc, pglob);
+ int oldcount;
- if (val == 0)
- pglob->gl_flags =
- (pglob->gl_flags & ~GLOB_MARK) | (flags & GLOB_MARK);
- return val;
+#ifdef SHELL
+ {
+ /* Make globbing interruptible in the bash shell. */
+ extern int interrupt_state;
+
+ if (interrupt_state)
+ {
+ globfree (&dirs);
+ globfree (&files);
+ return GLOB_ABEND;
+ }
+ }
+#endif /* SHELL. */
+
+ oldcount = pglob->gl_pathc;
+ status = glob_in_dir (filename, dirs.gl_pathv[i],
+ (flags | GLOB_APPEND) & ~GLOB_NOCHECK,
+ errfunc, pglob);
+ if (status == GLOB_NOMATCH)
+ /* No matches in this directory. Try the next. */
+ continue;
+
+ if (status != 0)
+ {
+ globfree (&dirs);
+ globfree (pglob);
+ return status;
+ }
+
+ /* Stick the directory on the front of each name. */
+ if (prefix_array (dirs.gl_pathv[i],
+ &pglob->gl_pathv[oldcount],
+ pglob->gl_pathc - oldcount,
+ flags & GLOB_MARK))
+ {
+ globfree (&dirs);
+ globfree (pglob);
+ return GLOB_NOSPACE;
+ }
}
- if (!(flags & GLOB_APPEND)) {
- pglob->gl_pathc = 0;
- pglob->gl_pathv = NULL;
- }
+ flags |= GLOB_MAGCHAR;
- oldcount = pglob->gl_pathc;
-
-#ifndef VMS
- if ((flags & GLOB_TILDE) && dirname[0] == '~') {
- if (dirname[1] == '\0' || dirname[1] == '/') {
- /* Look up home directory. */
- char *home_dir = getenv("HOME");
-
- if (home_dir == NULL || home_dir[0] == '\0')
- home_dir = (char *) "~"; /* No luck. */
-
- /* 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);
-# ifdef HAVE_MEMPCPY
- mempcpy(mempcpy(newp, home_dir, home_len),
- &dirname[1], dirlen);
-# else
- memcpy(newp, home_dir, home_len);
- memcpy(&newp[home_len], &dirname[1], dirlen);
-# endif
- dirname = newp;
- }
- }
-# if !defined _AMIGA && !defined WINDOWS32
- else {
- char *end_name = strchr(dirname, '/');
- char *user_name;
- char *home_dir;
-
- if (end_name == NULL)
- user_name = dirname + 1;
- else {
- user_name = (char *) __alloca(end_name - dirname);
-# ifdef HAVE_MEMPCPY
- *((char *)
- mempcpy(user_name, dirname + 1, end_name - dirname)) =
- '\0';
-# else
- memcpy(user_name, dirname + 1, end_name - dirname);
- user_name[end_name - dirname - 1] = '\0';
-# endif
- }
-
- /* Look up specific user's home directory. */
- {
-//# if defined HAVE_GETPWNAM_R || defined _LIBC
-# if 0
- size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
- char *pwtmpbuf = (char *) __alloca(buflen);
- struct passwd pwbuf, *p;
-
- if (__getpwnam_r(user_name, &pwbuf, pwtmpbuf, buflen, &p)
- >= 0)
- home_dir = p->pw_dir;
- else
- home_dir = NULL;
-# else
- struct passwd *p = getpwnam(user_name);
-
- if (p != NULL)
- home_dir = p->pw_dir;
- else
- home_dir = NULL;
-# endif
- }
- /* 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);
-# ifdef HAVE_MEMPCPY
- *((char *) mempcpy(mempcpy(newp, home_dir, home_len),
- end_name, rest_len)) = '\0';
-# else
- memcpy(newp, home_dir, home_len);
- memcpy(&newp[home_len], end_name, rest_len);
- newp[home_len + rest_len] = '\0';
-# endif
- dirname = newp;
- }
- }
-# endif /* Not Amiga && not WINDOWS32. */
+ if (pglob->gl_pathc == oldcount)
+ {
+ /* No matches. */
+ if (flags & GLOB_NOCHECK)
+ {
+ size_t len = strlen (pattern) + 1;
+ char *patcopy = (char *) malloc (len);
+ if (patcopy == NULL)
+ return GLOB_NOSPACE;
+ memcpy (patcopy, pattern, len);
+
+ pglob->gl_pathv
+ = (char **) realloc (pglob->gl_pathv,
+ (pglob->gl_pathc +
+ ((flags & GLOB_DOOFFS) ?
+ pglob->gl_offs : 0) +
+ 1 + 1) *
+ sizeof (char *));
+ if (pglob->gl_pathv == NULL)
+ {
+ free (patcopy);
+ return GLOB_NOSPACE;
+ }
+
+ if (flags & GLOB_DOOFFS)
+ while (pglob->gl_pathc < pglob->gl_offs)
+ pglob->gl_pathv[pglob->gl_pathc++] = NULL;
+
+ pglob->gl_pathv[pglob->gl_pathc++] = patcopy;
+ pglob->gl_pathv[pglob->gl_pathc] = NULL;
+ pglob->gl_flags = flags;
}
-#endif /* Not VMS. */
-
- 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;
- register int i;
-
- status = glob(dirname,
- ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE))
- | 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 oldcount;
-
-#ifdef SHELL
- {
- /* Make globbing interruptible in the bash shell. */
- extern int interrupt_state;
-
- if (interrupt_state) {
- globfree(&dirs);
- globfree(&files);
- return GLOB_ABORTED;
- }
- }
-#endif /* SHELL. */
-
- oldcount = pglob->gl_pathc;
- status = glob_in_dir(filename, dirs.gl_pathv[i],
- ((flags | GLOB_APPEND)
- & ~(GLOB_NOCHECK | GLOB_ERR)),
- errfunc, pglob);
- if (status == GLOB_NOMATCH)
- /* No matches in this directory. Try the next. */
- continue;
-
- if (status != 0) {
- globfree(&dirs);
- globfree(pglob);
- return status;
- }
-
- /* Stick the directory on the front of each name. */
- if (prefix_array(dirs.gl_pathv[i],
- &pglob->gl_pathv[oldcount],
- pglob->gl_pathc - oldcount)) {
- globfree(&dirs);
- globfree(pglob);
- return GLOB_NOSPACE;
- }
- }
-
- flags |= GLOB_MAGCHAR;
-
- if (pglob->gl_pathc == oldcount) {
- /* No matches. */
- if (flags & GLOB_NOCHECK) {
- size_t len = strlen(pattern) + 1;
- char *patcopy = (char *) malloc(len);
-
- if (patcopy == NULL)
- return GLOB_NOSPACE;
- memcpy(patcopy, pattern, len);
-
- pglob->gl_pathv
- = (char **) realloc(pglob->gl_pathv,
- (pglob->gl_pathc +
- ((flags & GLOB_DOOFFS) ?
- pglob->gl_offs : 0) +
- 1 + 1) * sizeof(char *));
-
- if (pglob->gl_pathv == NULL) {
- free(patcopy);
- return GLOB_NOSPACE;
- }
-
- if (flags & GLOB_DOOFFS)
- while (pglob->gl_pathc < pglob->gl_offs)
- pglob->gl_pathv[pglob->gl_pathc++] = NULL;
-
- pglob->gl_pathv[pglob->gl_pathc++] = patcopy;
- pglob->gl_pathv[pglob->gl_pathc] = NULL;
- pglob->gl_flags = flags;
- } else
- return GLOB_NOMATCH;
- }
- } else {
- 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[oldcount],
- pglob->gl_pathc - oldcount)) {
- globfree(pglob);
- return GLOB_NOSPACE;
- }
- }
+ else
+ {
+ return GLOB_NOMATCH;
}
-
- if (flags & GLOB_MARK) {
- /* Append slashes to directory names. */
- int i;
- struct stat st;
-
- for (i = oldcount; i < pglob->gl_pathc; ++i)
- if (((flags & GLOB_ALTDIRFUNC) ?
- (*pglob->gl_stat) (pglob->gl_pathv[i], &st) :
- __stat(pglob->gl_pathv[i], &st)) == 0 &&
- S_ISDIR(st.st_mode)) {
- size_t len = strlen(pglob->gl_pathv[i]) + 2;
- char *new = realloc(pglob->gl_pathv[i], len);
-
- if (new == NULL) {
- globfree(pglob);
- return GLOB_NOSPACE;
- }
- strcpy(&new[len - 2], "/");
- pglob->gl_pathv[i] = new;
- }
+ }
+ }
+ else
+ {
+ 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[oldcount],
+ pglob->gl_pathc - oldcount,
+ flags & GLOB_MARK))
+ {
+ globfree (pglob);
+ return GLOB_NOSPACE;
+ }
}
-
- if (!(flags & GLOB_NOSORT))
- /* Sort the vector. */
- qsort((__ptr_t) & pglob->gl_pathv[oldcount],
- pglob->gl_pathc - oldcount,
-
- sizeof(char *), collated_compare);
-
- return 0;
+ }
+
+ if (flags & GLOB_MARK)
+ {
+ /* Append slashes to directory names. glob_in_dir has already
+ allocated the extra character for us. */
+ int i;
+ struct stat st;
+ for (i = oldcount; i < pglob->gl_pathc; ++i)
+ if (lstat (pglob->gl_pathv[i], &st) == 0 &&
+ S_ISDIR (st.st_mode))
+ strcat (pglob->gl_pathv[i], "/");
+ }
+
+ if (!(flags & GLOB_NOSORT))
+ /* Sort the vector. */
+ qsort ((__ptr_t) &pglob->gl_pathv[oldcount],
+ pglob->gl_pathc - oldcount,
+ sizeof (char *), (__compar_fn_t)collated_compare);
+
+ return 0;
}
/* Free storage allocated in PGLOB by a previous `glob' call. */
-void globfree(pglob)
-register glob_t *pglob;
+void
+globfree (pglob)
+ register glob_t *pglob;
{
- if (pglob->gl_pathv != NULL) {
- register int i;
-
- for (i = 0; i < pglob->gl_pathc; ++i)
- if (pglob->gl_pathv[i] != NULL)
- free((__ptr_t) pglob->gl_pathv[i]);
- free((__ptr_t) pglob->gl_pathv);
- }
+ if (pglob->gl_pathv != NULL)
+ {
+ register int i;
+ for (i = 0; i < pglob->gl_pathc; ++i)
+ if (pglob->gl_pathv[i] != NULL)
+ free ((__ptr_t) pglob->gl_pathv[i]);
+ free ((__ptr_t) pglob->gl_pathv);
+ }
}
/* Do a collated comparison of A and B. */
-static int collated_compare(a, b)
-const __ptr_t a;
-const __ptr_t b;
+static int
+collated_compare (a, b)
+ const __ptr_t a;
+ const __ptr_t 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);
+ 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(dirname, array, n)
-const char *dirname;
-char **array;
-size_t n;
+ unless DIRNAME is just "/". Each old element of ARRAY is freed.
+ If ADD_SLASH is non-zero, allocate one character more than
+ necessary, so that a slash can be appended later. */
+static int
+prefix_array (dirname, array, n, add_slash)
+ const char *dirname;
+ char **array;
+ size_t n;
+ int add_slash;
{
- register size_t i;
- size_t dirlen = strlen(dirname);
-
- 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;
-
- 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((__ptr_t) array[--i]);
- return 1;
- }
-#ifdef HAVE_MEMPCPY
- {
- char *endp = (char *) mempcpy(new, dirname, dirlen);
-
- *endp++ = '/';
- mempcpy(endp, array[i], eltlen);
- }
-#else
- memcpy(new, dirname, dirlen);
- new[dirlen] = '/';
- memcpy(&new[dirlen + 1], array[i], eltlen);
-#endif
- free((__ptr_t) array[i]);
- array[i] = new;
+ register size_t i;
+ size_t dirlen = strlen (dirname);
+
+ 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;
+
+ for (i = 0; i < n; ++i)
+ {
+ size_t eltlen = strlen (array[i]) + 1;
+ char *new = (char *) malloc (dirlen + 1 + eltlen + (add_slash ? 1 : 0));
+ if (new == NULL)
+ {
+ while (i > 0)
+ free ((__ptr_t) array[--i]);
+ return 1;
}
- return 0;
+ memcpy (new, dirname, dirlen);
+ new[dirlen] = '/';
+ memcpy (&new[dirlen + 1], array[i], eltlen);
+ free ((__ptr_t) array[i]);
+ array[i] = new;
+ }
+
+ return 0;
}
+/* Return nonzero if PATTERN contains any metacharacters.
+ Metacharacters can be quoted with backslashes if QUOTE is nonzero. */
+static 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;
+ break;
+
+ case '[':
+ open = 1;
+ break;
+
+ case ']':
+ if (open)
+ return 1;
+ break;
+ }
+
+ return 0;
+}
+
/* 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(pattern, directory, flags, errfunc, pglob)
-const char *pattern;
-const char *directory;
-int flags;
-int (*errfunc) __P((const char *, int));
-glob_t *pglob;
+static int
+glob_in_dir (pattern, directory, flags, errfunc, pglob)
+ const char *pattern;
+ const char *directory;
+ int flags;
+ int (*errfunc) __P ((const char *, int));
+ glob_t *pglob;
{
- __ptr_t stream;
-
- struct globlink {
- struct globlink *next;
- char *name;
- };
- struct globlink *names = NULL;
- size_t nfound;
- int meta;
- int save;
-
- stream = ((flags & GLOB_ALTDIRFUNC) ?
- (*pglob->gl_opendir) (directory) :
- (__ptr_t) opendir(directory));
- if (stream == NULL) {
- if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
- (flags & GLOB_ERR)) return GLOB_ABORTED;
- nfound = 0;
- meta = 0;
- } else if (pattern[0] == '\0') {
- /* This is a special case for matching directories like in
- "*a/". */
- names = (struct globlink *) __alloca(sizeof(struct globlink));
-
- names->name = (char *) malloc(1);
- if (names->name == NULL)
- goto memory_error;
- names->name[0] = '\0';
- names->next = NULL;
- nfound = 1;
- meta = 0;
- } else {
- nfound = 0;
- meta = __glob_pattern_p(pattern, !(flags & GLOB_NOESCAPE));
- if (meta)
- flags |= GLOB_MAGCHAR;
-
- while (1) {
- const char *name;
- size_t len;
- struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ?
- (*pglob->gl_readdir) (stream) :
- readdir((DIR *) stream));
-
- if (d == NULL)
- break;
- if (!REAL_DIR_ENTRY(d))
- continue;
-
-#ifdef HAVE_D_TYPE
- /* If we shall match only directories use the information
- provided by the dirent call if possible. */
- if ((flags & GLOB_ONLYDIR)
- && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR)
- continue;
-#endif
-
- name = d->d_name;
-
- if ((!meta && strcmp(pattern, name) == 0)
- || fnmatch(pattern, name,
- (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) |
- ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
-#ifdef _AMIGA
- | FNM_CASEFOLD
-#endif
- ) == 0) {
- struct globlink *new
-
- =
- (struct globlink *) __alloca(sizeof(struct globlink));
- len = NAMLEN(d);
- new->name = (char *) malloc(len + 1);
- if (new->name == NULL)
- goto memory_error;
-#ifdef HAVE_MEMPCPY
- *((char *) mempcpy((__ptr_t) new->name, name, len)) = '\0';
-#else
- memcpy((__ptr_t) new->name, name, len);
- new->name[len] = '\0';
-#endif
- new->next = names;
- names = new;
- ++nfound;
- if (!meta)
- break;
- }
- }
+ __ptr_t stream;
+
+ struct globlink
+ {
+ struct globlink *next;
+ char *name;
+ };
+ struct globlink *names = NULL;
+ size_t nfound = 0;
+ int meta;
+
+ stream = (__glob_opendir_hook ? (*__glob_opendir_hook) (directory)
+ : (__ptr_t) opendir (directory));
+ if (stream == NULL)
+ {
+ if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
+ (flags & GLOB_ERR))
+ return GLOB_ABORTED;
+ }
+
+ meta = glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
+
+ if (meta)
+ flags |= GLOB_MAGCHAR;
+
+ while (1)
+ {
+ const char *name;
+ size_t len;
+
+ if (__glob_readdir_hook)
+ {
+ name = (*__glob_readdir_hook) (stream);
+ if (name == NULL)
+ break;
+ len = 0;
}
-
- if (nfound == 0 && (flags & GLOB_NOMAGIC) && !meta)
- flags |= GLOB_NOCHECK;
-
- if (nfound == 0 && (flags & GLOB_NOCHECK)) {
- size_t len = strlen(pattern);
-
- nfound = 1;
- names = (struct globlink *) __alloca(sizeof(struct globlink));
-
- names->next = NULL;
- names->name = (char *) malloc(len + 1);
- if (names->name == NULL)
- goto memory_error;
-#ifdef HAVE_MEMPCPY
- *((char *) mempcpy(names->name, pattern, len)) = '\0';
+ else
+ {
+ struct dirent *d = readdir ((DIR *) stream);
+ if (d == NULL)
+ break;
+ if (! (d->d_ino != 0))
+ continue;
+ name = d->d_name;
+#ifdef HAVE_D_NAMLEN
+ len = d->d_namlen;
#else
- memcpy(names->name, pattern, len);
- names->name[len] = '\0';
+ len = 0;
#endif
}
-
- if (nfound != 0) {
- pglob->gl_pathv
- = (char **) realloc(pglob->gl_pathv,
- (pglob->gl_pathc +
- ((flags & GLOB_DOOFFS) ? pglob->
- gl_offs : 0) + nfound +
-
- 1) * sizeof(char *));
- if (pglob->gl_pathv == NULL)
- goto memory_error;
-
- if (flags & GLOB_DOOFFS)
- while (pglob->gl_pathc < pglob->gl_offs)
- pglob->gl_pathv[pglob->gl_pathc++] = NULL;
-
- for (; names != NULL; names = names->next)
- pglob->gl_pathv[pglob->gl_pathc++] = names->name;
- pglob->gl_pathv[pglob->gl_pathc] = NULL;
-
- pglob->gl_flags = flags;
- }
-
- save = errno;
- if (flags & GLOB_ALTDIRFUNC)
- (*pglob->gl_closedir) (stream);
- else
- closedir((DIR *) stream);
- __set_errno(save);
-
- return nfound == 0 ? GLOB_NOMATCH : 0;
-
- memory_error:
+
+ if ((!meta && strcmp (pattern, name) == 0)
+ || fnmatch (pattern, name,
+ (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) |
+ ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)) == 0)
{
- int save = errno;
-
- if (flags & GLOB_ALTDIRFUNC)
- (*pglob->gl_closedir) (stream);
- else
- closedir((DIR *) stream);
- __set_errno(save);
- }
- while (names != NULL) {
- if (names->name != NULL)
- free((__ptr_t) names->name);
- names = names->next;
+ struct globlink *new
+ = (struct globlink *) alloca (sizeof (struct globlink));
+ if (len == 0)
+ len = strlen (name);
+ new->name
+ = (char *) malloc (len + ((flags & GLOB_MARK) ? 1 : 0) + 1);
+ if (new->name == NULL)
+ goto memory_error;
+ memcpy ((__ptr_t) new->name, name, len);
+ new->name[len] = '\0';
+ new->next = names;
+ names = new;
+ ++nfound;
+ if (!meta)
+ break;
}
- return GLOB_NOSPACE;
+ }
+
+ if (nfound == 0 && (flags & GLOB_NOCHECK))
+ {
+ size_t len = strlen (pattern);
+ nfound = 1;
+ names = (struct globlink *) alloca (sizeof (struct globlink));
+ names->next = NULL;
+ names->name = (char *) malloc (len + (flags & GLOB_MARK ? 1 : 0) + 1);
+ if (names->name == NULL)
+ goto memory_error;
+ memcpy (names->name, pattern, len);
+ names->name[len] = '\0';
+ }
+
+ pglob->gl_pathv
+ = (char **) realloc (pglob->gl_pathv,
+ (pglob->gl_pathc +
+ ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) +
+ nfound + 1) *
+ sizeof (char *));
+ if (pglob->gl_pathv == NULL)
+ goto memory_error;
+
+ if (flags & GLOB_DOOFFS)
+ while (pglob->gl_pathc < pglob->gl_offs)
+ pglob->gl_pathv[pglob->gl_pathc++] = NULL;
+
+ for (; names != NULL; names = names->next)
+ pglob->gl_pathv[pglob->gl_pathc++] = names->name;
+ pglob->gl_pathv[pglob->gl_pathc] = NULL;
+
+ pglob->gl_flags = flags;
+
+ {
+ int save = errno;
+ if (__glob_closedir_hook)
+ (*__glob_closedir_hook) (stream);
+ else
+ (void) closedir ((DIR *) stream);
+ errno = save;
+ }
+ return nfound == 0 ? GLOB_NOMATCH : 0;
+
+ memory_error:
+ {
+ int save = errno;
+ if (__glob_closedir_hook)
+ (*__glob_closedir_hook) (stream);
+ else
+ (void) closedir ((DIR *) stream);
+ errno = save;
+ }
+ while (names != NULL)
+ {
+ if (names->name != NULL)
+ free ((__ptr_t) names->name);
+ names = names->next;
+ }
+ return GLOB_NOSPACE;
}
-#endif /* Not ELIDE_CODE. */