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authorEric Andersen <andersen@codepoet.org>2000-10-11 22:08:28 +0000
committerEric Andersen <andersen@codepoet.org>2000-10-11 22:08:28 +0000
commit1eb3e9989a8241c1654788fc7589e1f679e73dff (patch)
tree00f181e6187be0a35f9b1bf438e1fb81c2255ef2 /libc/misc/glob/glob.c
parent22ed2fc2317bd267d32949bd4c3409f4cbdd0fe6 (diff)
New misc tree that actually has misc stuff in it.
Diffstat (limited to 'libc/misc/glob/glob.c')
-rw-r--r--libc/misc/glob/glob.c1028
1 files changed, 1028 insertions, 0 deletions
diff --git a/libc/misc/glob/glob.c b/libc/misc/glob/glob.c
new file mode 100644
index 000000000..e6cfb9e78
--- /dev/null
+++ b/libc/misc/glob/glob.c
@@ -0,0 +1,1028 @@
+/* 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
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#define HAVE_DIRENT_H
+
+/* Enable GNU extensions in glob.h. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+
+#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 <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;
+}
+
+
+/* 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 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. */
+ {
+ 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;
+
+#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. */
+ }
+#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;
+ }
+ }
+ }
+
+ 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;
+ }
+ }
+
+ if (!(flags & GLOB_NOSORT))
+ /* Sort the vector. */
+ qsort((__ptr_t) & pglob->gl_pathv[oldcount],
+ pglob->gl_pathc - oldcount,
+
+ sizeof(char *), collated_compare);
+
+ return 0;
+}
+
+
+/* Free storage allocated in PGLOB by a previous `glob' call. */
+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);
+ }
+}
+
+
+/* Do a collated comparison of A and 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);
+}
+
+
+/* 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;
+{
+ 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;
+ }
+
+ 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;
+{
+ __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;
+ }
+ }
+ }
+
+ 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
+ memcpy(names->name, pattern, len);
+ names->name[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:
+ {
+ 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;
+ }
+ return GLOB_NOSPACE;
+}
+
+#endif /* Not ELIDE_CODE. */