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author | Panu Matilainen <pmatilai@redhat.com> | 2012-05-31 15:51:15 +0300 |
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committer | Panu Matilainen <pmatilai@redhat.com> | 2012-05-31 16:46:40 +0300 |
commit | bf088dbeb5fbc67cae647ec13d02fdabc1a4f64c (patch) | |
tree | f76c1f5deab52bf4ae8fc2fb82e9f467d96137b1 /misc | |
parent | 38932d1d175b8ff8a509d2d9995ffb3eb576ff3a (diff) | |
download | librpm-tizen-bf088dbeb5fbc67cae647ec13d02fdabc1a4f64c.tar.gz librpm-tizen-bf088dbeb5fbc67cae647ec13d02fdabc1a4f64c.tar.bz2 librpm-tizen-bf088dbeb5fbc67cae647ec13d02fdabc1a4f64c.zip |
Bury our glob() implementation entirely inside rpmglob.c (RhBug:819680)
- Lump glob.h and glob.c into rpmglob.c in all their g(l)ory libc
decorations and make everything static to stop overriding system
library symbols with our own glob().
Diffstat (limited to 'misc')
-rw-r--r-- | misc/Makefile.am | 1 | ||||
-rw-r--r-- | misc/glob.c | 1160 | ||||
-rw-r--r-- | misc/glob.h | 196 |
3 files changed, 0 insertions, 1357 deletions
diff --git a/misc/Makefile.am b/misc/Makefile.am index e06fcac7b..4fdde9525 100644 --- a/misc/Makefile.am +++ b/misc/Makefile.am @@ -5,7 +5,6 @@ AM_CPPFLAGS += -I$(top_srcdir)/misc EXTRA_DIST = \ fnmatch.c fnmatch.h \ - glob.c glob.h \ stpcpy.c stpncpy.c noinst_LTLIBRARIES = libmisc.la diff --git a/misc/glob.c b/misc/glob.c deleted file mode 100644 index 3bebe9e9a..000000000 --- a/misc/glob.c +++ /dev/null @@ -1,1160 +0,0 @@ - -/* Copyright (C) 1991,92,93,94,95,96,97,98,99 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 - - -# include "system.h" - -# include <stdlib.h> -# include <string.h> -# include <pwd.h> -# include <assert.h> -# include <sys/stat.h> /* S_ISDIR */ - -#define __alloca alloca -#define __stat stat -#define NAMLEN(_d) NLENGTH(_d) - -#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 <errno.h> -#ifndef __set_errno -# define __set_errno(val) errno = (val) -#endif - -/* Outcomment the following line for production quality code. */ -/* #define NDEBUG 1 */ - -#define GLOB_INTERFACE_VERSION 1 - -static inline 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) (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 inline const char * -next_brace_sub (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; -} - -static int __glob_pattern_p (const char *pattern, int quote); - -/* 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 (const char *pattern, int flags, - int (*errfunc) __P ((const char *, int)), glob_t *pglob) -{ - const char *filename; - const 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 *) xmalloc (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 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); -#ifdef HAVE_MEMPCPY - *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0'; -#else - memcpy (drive_spec, pattern, dirlen); - drive_spec[dirlen] = '\0'; -#endif - /* 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); -#ifdef HAVE_MEMPCPY - *((char *) mempcpy (newp, pattern, dirlen)) = '\0'; -#else - memcpy (newp, pattern, dirlen); - newp[dirlen] = '\0'; -#endif - 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; - pglob->gl_pathv = NULL; - } - - oldcount = pglob->gl_pathc; - -#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; -# if defined HAVE_GETLOGIN_R || defined _LIBC - size_t buflen = sysconf (_SC_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; -# else - success = (name = getlogin ()) != NULL; -# endif - if (success) - { - struct passwd *p; -# if defined HAVE_GETPWNAM_R || defined _LIBC - size_t pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX); - char *pwtmpbuf; - struct passwd pwbuf; - int save = errno; - - if (pwbuflen == -1) - /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. - Try a moderate value. */ - pwbuflen = 1024; - pwtmpbuf = (char *) __alloca (pwbuflen); - - while (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p) - != 0) - { - if (errno != ERANGE) - { - p = NULL; - break; - } - pwbuflen *= 2; - pwtmpbuf = (char *) __alloca (pwbuflen); - __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); -# 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, '/'); - 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); -# ifdef HAVE_MEMPCPY - *((char *) mempcpy (newp, dirname + 1, end_name - dirname)) - = '\0'; -# else - memcpy (newp, dirname + 1, end_name - dirname); - newp[end_name - dirname - 1] = '\0'; -# endif - user_name = newp; - } - - /* Look up specific user's home directory. */ - { - struct passwd *p; -# if defined HAVE_GETPWNAM_R || defined _LIBC - size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX); - char *pwtmpbuf; - struct passwd pwbuf; - int save = errno; - - if (buflen == -1) - /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. Try a - moderate value. */ - buflen = 1024; - pwtmpbuf = (char *) __alloca (buflen); - - while (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) != 0) - { - if (errno != ERANGE) - { - p = NULL; - break; - } - buflen *= 2; - pwtmpbuf = __alloca (buflen); - __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); -# 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; - } - 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; - - /* 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) - : __stat (dirname, &st)) == 0 - && S_ISDIR (st.st_mode))) - { - pglob->gl_pathv - = (char **) xrealloc (pglob->gl_pathv, - (pglob->gl_pathc + - ((flags & GLOB_DOOFFS) ? - pglob->gl_offs : 0) + - 1 + 1) * - sizeof (char *)); - if (pglob->gl_pathv == NULL) - return GLOB_NOSPACE; - - if (flags & GLOB_DOOFFS) - while (pglob->gl_pathc < pglob->gl_offs) - pglob->gl_pathv[pglob->gl_pathc++] = NULL; - -#if defined HAVE_STRDUP || defined _LIBC - pglob->gl_pathv[pglob->gl_pathc] = xstrdup (dirname); -#else - { - size_t len = strlen (dirname) + 1; - char *dircopy = xmalloc (len); - if (dircopy != NULL) - pglob->gl_pathv[pglob->gl_pathc] = memcpy (dircopy, dirname, - len); - } -#endif - if (pglob->gl_pathv[pglob->gl_pathc] == NULL) - { - free (pglob->gl_pathv); - return GLOB_NOSPACE; - } - pglob->gl_pathv[++pglob->gl_pathc] = NULL; - 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; - register int 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); - globfree (&files); - 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_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[old_pathc], - pglob->gl_pathc - old_pathc)) - { - globfree (&dirs); - globfree (pglob); - 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 thie GLOB_NOCHECK - flag was set we must return the list consisting of the disrectory - names followed by the filename. */ - if (pglob->gl_pathc == oldcount) - { - /* No matches. */ - if (flags & GLOB_NOCHECK) - { - size_t filename_len = strlen (filename) + 1; - char **new_pathv; - struct stat st; - - /* This is an pessimistic guess about the size. */ - pglob->gl_pathv - = (char **) xrealloc (pglob->gl_pathv, - (pglob->gl_pathc + - ((flags & GLOB_DOOFFS) ? - pglob->gl_offs : 0) + - dirs.gl_pathc + 1) * - sizeof (char *)); - if (pglob->gl_pathv == NULL) - { - globfree (&dirs); - return GLOB_NOSPACE; - } - - if (flags & GLOB_DOOFFS) - while (pglob->gl_pathc < pglob->gl_offs) - pglob->gl_pathv[pglob->gl_pathc++] = NULL; - - for (i = 0; i < dirs.gl_pathc; ++i) - { - const char *dir = dirs.gl_pathv[i]; - size_t dir_len = strlen (dir); - - /* First check whether this really is a directory. */ - if (((flags & GLOB_ALTDIRFUNC) - ? (*pglob->gl_stat) (dir, &st) : __stat (dir, &st)) != 0 - || !S_ISDIR (st.st_mode)) - /* No directory, ignore this entry. */ - continue; - - pglob->gl_pathv[pglob->gl_pathc] = xmalloc (dir_len + 1 - + filename_len); - if (pglob->gl_pathv[pglob->gl_pathc] == NULL) - { - globfree (&dirs); - globfree (pglob); - return GLOB_NOSPACE; - } - -#ifdef HAVE_MEMPCPY - mempcpy (mempcpy (mempcpy (pglob->gl_pathv[pglob->gl_pathc], - dir, dir_len), - "/", 1), - filename, filename_len); -#else - memcpy (pglob->gl_pathv[pglob->gl_pathc], dir, dir_len); - pglob->gl_pathv[pglob->gl_pathc][dir_len] = '/'; - memcpy (&pglob->gl_pathv[pglob->gl_pathc][dir_len + 1], - filename, filename_len); -#endif - ++pglob->gl_pathc; - } - - pglob->gl_pathv[pglob->gl_pathc] = NULL; - pglob->gl_flags = flags; - - /* Now we know how large the gl_pathv vector must be. */ - new_pathv = (char **) xrealloc (pglob->gl_pathv, - ((pglob->gl_pathc + 1) - * sizeof (char *))); - if (new_pathv != NULL) - pglob->gl_pathv = new_pathv; - } - else - return GLOB_NOMATCH; - } - - globfree (&dirs); - } - 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. */ - int ignore = oldcount; - - if ((flags & GLOB_DOOFFS) && ignore < pglob->gl_offs) - ignore = pglob->gl_offs; - - if (prefix_array (dirname, - &pglob->gl_pathv[ignore], - pglob->gl_pathc - ignore)) - { - 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 = xrealloc (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. */ - int non_sort = oldcount; - - if ((flags & GLOB_DOOFFS) && pglob->gl_offs > oldcount) - non_sort = pglob->gl_offs; - - qsort ((__ptr_t) &pglob->gl_pathv[non_sort], - pglob->gl_pathc - non_sort, - sizeof (char *), collated_compare); - } - - return 0; -} - - -/* Free storage allocated in PGLOB by a previous `glob' call. */ -void -globfree (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 (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 (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 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 *) xmalloc (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++ = DIRSEP_CHAR; - mempcpy (endp, array[i], eltlen); - } -#else - memcpy (new, dirname, dirlen); - new[dirlen] = DIRSEP_CHAR; - memcpy (&new[dirlen + 1], array[i], eltlen); -#endif - free ((__ptr_t) 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. */ -static int -__glob_pattern_p (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 - - -/* 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) __P ((const char *, int)), glob_t *pglob) -{ - __ptr_t stream = NULL; - - struct globlink - { - struct globlink *next; - char *name; - }; - struct globlink *names = NULL; - size_t nfound; - int meta; - int save; - - meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); - if (meta == 0) - { - if (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 - { - /* Since we use the normal file functions we can also use stat() - to verify the file is there. */ - struct stat st; - size_t patlen = strlen (pattern); - size_t dirlen = strlen (directory); - char *fullname = (char *) __alloca (dirlen + 1 + patlen + 1); - -# ifdef HAVE_MEMPCPY - mempcpy (mempcpy (mempcpy (fullname, directory, dirlen), - "/", 1), - pattern, patlen + 1); -# else - memcpy (fullname, directory, dirlen); - fullname[dirlen] = '/'; - memcpy (&fullname[dirlen + 1], pattern, patlen + 1); -# endif - if (((flags & GLOB_ALTDIRFUNC) - ? (*pglob->gl_stat) (fullname, &st) - : __stat (fullname, &st)) == 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; - } - - nfound = 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 *) xmalloc (1); - if (names->name == NULL) - goto memory_error; - names->name[0] = '\0'; - names->next = NULL; - nfound = 1; - meta = 0; - } - else - { - stream = ((flags & GLOB_ALTDIRFUNC) - ? (*pglob->gl_opendir) (directory) - : (__ptr_t) opendir (directory)); - if (stream == NULL) - { - if (errno != ENOTDIR - && ((errfunc != NULL && (*errfunc) (directory, errno)) - || (flags & GLOB_ERR))) - return GLOB_ABORTED; - nfound = 0; - 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 - ); - nfound = 0; - 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_STRUCT_DIRENT_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 (fnmatch (pattern, name, fnm_flags) == 0) - { - struct globlink *new = (struct globlink *) - __alloca (sizeof (struct globlink)); - len = NAMLEN (d); - new->name = (char *) xmalloc (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 (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 *) xmalloc (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 **) xrealloc (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 (stream != NULL) - { - 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; -} diff --git a/misc/glob.h b/misc/glob.h deleted file mode 100644 index a52d1096c..000000000 --- a/misc/glob.h +++ /dev/null @@ -1,196 +0,0 @@ -/* Copyright (C) 1991, 92, 95, 96, 97, 98, 2000 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 - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C 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. */ - -#ifndef _GLOB_H -#define _GLOB_H 1 - -#ifdef __cplusplus -extern "C" { -#endif - -#undef __ptr_t -#if defined __cplusplus || (defined __STDC__ && __STDC__) || defined WINDOWS32 -# if !defined __GLIBC__ || !defined __P || !defined __PMT -# undef __P -# undef __PMT -# define __P(protos) protos -# define __PMT(protos) protos -# if !defined __GNUC__ || __GNUC__ < 2 -# undef __const -# define __const const -# endif -# endif -# define __ptr_t void * -#else /* Not C++ or ANSI C. */ -# undef __P -# undef __PMT -# define __P(protos) () -# define __PMT(protos) () -# undef __const -# define __const -# define __ptr_t char * -#endif /* C++ or ANSI C. */ - -/* We need `size_t' for the following definitions. */ -#if !defined(__size_t) && !defined(_BSD_SIZE_T_DEFINED_) -# if defined __GNUC__ && __GNUC__ >= 2 -typedef __SIZE_TYPE__ __size_t; -# ifdef _XOPEN_SOURCE -typedef __SIZE_TYPE__ size_t; -# endif -# else -/* This is a guess. */ -typedef unsigned long int __size_t; -# endif -#else -/* The GNU CC stddef.h version defines __size_t as empty. We need a real - definition. */ -# undef __size_t -# define __size_t size_t -#endif - -/* Bits set in the FLAGS argument to `glob'. */ -#define GLOB_ERR (1 << 0)/* Return on read errors. */ -#define GLOB_MARK (1 << 1)/* Append a slash to each name. */ -#define GLOB_NOSORT (1 << 2)/* Don't sort the names. */ -#define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */ -#define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */ -#define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */ -#define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */ -#define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */ - -#if (!defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _BSD_SOURCE \ - || defined _GNU_SOURCE) -# define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */ -# define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */ -# define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */ -# define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */ -# define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */ -# define GLOB_ONLYDIR (1 << 13)/* Match only directories. */ -# define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error - if the user name is not available. */ -# define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \ - GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \ - GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE| \ - GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK) -#else -# define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \ - GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \ - GLOB_PERIOD) -#endif - -/* Error returns from `glob'. */ -#define GLOB_NOSPACE 1 /* Ran out of memory. */ -#define GLOB_ABORTED 2 /* Read error. */ -#define GLOB_NOMATCH 3 /* No matches found. */ -#define GLOB_NOSYS 4 /* Not implemented. */ -#ifdef _GNU_SOURCE -/* Previous versions of this file defined GLOB_ABEND instead of - GLOB_ABORTED. Provide a compatibility definition here. */ -# define GLOB_ABEND GLOB_ABORTED -#endif - -/* Structure describing a globbing run. */ -#if !defined _AMIGA && !defined VMS /* Buggy compiler. */ -struct stat; -#endif -typedef struct - { - __size_t gl_pathc; /* Count of paths matched by the pattern. */ - char **gl_pathv; /* List of matched pathnames. */ - __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 - are used instead of the normal file access functions. */ - void (*gl_closedir) __PMT ((void *)); - struct dirent *(*gl_readdir) __PMT ((void *)); - __ptr_t (*gl_opendir) __PMT ((__const char *)); - int (*gl_lstat) __PMT ((__const char *, struct stat *)); - int (*gl_stat) __PMT ((__const char *, struct stat *)); - } glob_t; - -#ifdef _LARGEFILE64_SOURCE -struct stat64; -typedef struct - { - __size_t gl_pathc; - char **gl_pathv; - __size_t gl_offs; - int gl_flags; - - /* If the GLOB_ALTDIRFUNC flag is set, the following functions - are used instead of the normal file access functions. */ - void (*gl_closedir) __PMT ((void *)); - struct dirent64 *(*gl_readdir) __PMT ((void *)); - __ptr_t (*gl_opendir) __PMT ((__const char *)); - int (*gl_lstat) __PMT ((__const char *, struct stat64 *)); - int (*gl_stat) __PMT ((__const char *, struct stat64 *)); - } glob64_t; -#endif - -/* 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_ABEND; if it returns zero, the error is ignored. - If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned. - Otherwise, `glob' returns zero. */ -#if _FILE_OFFSET_BITS != 64 -extern int glob __P ((__const char *__pattern, int __flags, - int (*__errfunc) (__const char *, int), - glob_t *__pglob)); - -/* Free storage allocated in PGLOB by a previous `glob' call. */ -extern void globfree __P ((glob_t *__pglob)); -#else -# if __GNUC__ >= 2 -extern int glob __P ((__const char *__pattern, int __flags, - int (*__errfunc) (__const char *, int), - glob_t *__pglob)) __asm__ ("glob64"); - -extern void globfree __P ((glob_t *__pglob)) __asm__ ("globfree64"); -# else -# define glob glob64 -# define globfree globfree64 -# endif -#endif - -#ifdef _LARGEFILE64_SOURCE -extern int glob64 __P ((__const char *__pattern, int __flags, - int (*__errfunc) (__const char *, int), - glob64_t *__pglob)); - -extern void globfree64 __P ((glob64_t *__pglob)); -#endif - - -#ifdef _GNU_SOURCE -/* Return nonzero if PATTERN contains any metacharacters. - Metacharacters can be quoted with backslashes if QUOTE is nonzero. - - This function is not part of the interface specified by POSIX.2 - but several programs want to use it. */ -extern int glob_pattern_p __P ((__const char *__pattern, int __quote)); -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* glob.h */ |