diff options
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/glob.c | 1114 | ||||
| -rw-r--r-- | posix/glob.h | 6 |
2 files changed, 3 insertions, 1117 deletions
diff --git a/posix/glob.c b/posix/glob.c deleted file mode 100644 index 29697f4c55..0000000000 --- a/posix/glob.c +++ /dev/null @@ -1,1114 +0,0 @@ -/* Copyright (C) 1991,92,93,94,95,96,97,98 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 - -/* 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; -} - -/* 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"); -# 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; -# if defined HAVE_GETLOGIN_R || defined _LIBC - extern int getlogin_r __P ((char *, size_t)); - size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1; - char *name; - - if (buflen == 0) - /* `sysconf' does not support _SC_LOGIN_NAME_MAX. Try - a moderate value. */ - buflen = 16; - name = (char *) __alloca (buflen); - - success = getlogin_r (name, buflen) >= 0; -# else - extern char *getlogin __P ((void)); - char *name; - - success = (name = getlogin ()) != NULL; -# endif - if (success) - { -# if defined HAVE_GETPWNAM_R || defined _LIBC - size_t pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX); - char *pwtmpbuf; - struct passwd pwbuf, *p; - - pwtmpbuf = (char *) __alloca (pwbuflen); - - success = (__getpwnam_r (name, &pwbuf, pwtmpbuf, - pwbuflen, &p) >= 0); -# else - struct passwd *p = getpwnam (name); - success = p != NULL; -# endif - if (success) - home_dir = p->pw_dir; - } - } - if (home_dir == NULL || home_dir[0] == '\0') - home_dir = (char *) "~"; /* 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); -# 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 - 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; -} - - -/* 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 - - -/* 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) -#if defined _AMIGA || defined VMS - | 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. */ diff --git a/posix/glob.h b/posix/glob.h index a546c865f2..fd8255cd53 100644 --- a/posix/glob.h +++ b/posix/glob.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 95, 96, 97, 98 Free Software Foundation, Inc. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as @@ -92,9 +92,9 @@ struct stat; #endif typedef struct { - int gl_pathc; /* Count of paths matched by the pattern. */ + size_t gl_pathc; /* Count of paths matched by the pattern. */ char **gl_pathv; /* List of matched pathnames. */ - int gl_offs; /* Slots to reserve in `gl_pathv'. */ + size_t gl_offs; /* Slots to reserve in `gl_pathv'. */ int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */ /* If the GLOB_ALTDIRFUNC flag is set, the following functions |