From: jbj Date: Fri, 10 Mar 2000 17:49:09 +0000 (+0000) Subject: Update to glibc-2.1 version with GNU extensions. X-Git-Tag: rpm-4.4-release~2309 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ac8637bd5275962c11f89fb9a802626a21bf0592;p=platform%2Fupstream%2Frpm.git Update to glibc-2.1 version with GNU extensions. CVS patchset: 3615 CVS date: 2000/03/10 17:49:09 --- diff --git a/misc/glob.c b/misc/glob.c index 8cfd337..42ba460 100644 --- a/misc/glob.c +++ b/misc/glob.c @@ -1,26 +1,44 @@ -/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc. +/* 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 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. + 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., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + 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__) +#if defined _AIX && !defined __GNUC__ #pragma alloca #endif -#include "system.h" +#ifdef HAVE_CONFIG_H +# include +#endif + +/* Enable GNU extensions in glob.h. */ +#ifndef _GNU_SOURCE +# define _GNU_SOURCE 1 +#endif + +#include +#include +#include + +/* Outcomment the following line for production quality code. */ +/* #define NDEBUG 1 */ +#include + +#include /* 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 @@ -30,81 +48,155 @@ Cambridge, MA 02139, USA. */ 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. */ -#if defined (_LIBC) || !defined (__GNU_LIBRARY__) - -#ifdef STDC_HEADERS -#include +#define GLOB_INTERFACE_VERSION 1 +#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1 +# include +# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION +# define ELIDE_CODE +# endif #endif -#ifdef HAVE_UNISTD_H -#include -#ifndef POSIX -#ifdef _POSIX_VERSION -#define POSIX +#ifndef ELIDE_CODE + +#if defined STDC_HEADERS || defined __GNU_LIBRARY__ +# include #endif + +#if defined HAVE_UNISTD_H || defined _LIBC +# include +# ifndef POSIX +# ifdef _POSIX_VERSION +# define POSIX +# endif +# endif #endif + +#if !defined _AMIGA && !defined VMS && !defined WINDOWS32 +# include #endif -#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS) +#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 +# define NULL 0 +#endif + + +#if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__ +# include +# define NAMLEN(dirent) strlen((dirent)->d_name) +#else +# define dirent direct +# define NAMLEN(dirent) (dirent)->d_namlen +# ifdef HAVE_SYS_NDIR_H +# include +# endif +# ifdef HAVE_SYS_DIR_H +# include +# endif +# ifdef HAVE_NDIR_H +# include +# endif +# ifdef HAVE_VMSDIR_H +# include "vmsdir.h" +# endif /* HAVE_VMSDIR_H */ +#endif + + +/* In GNU systems, defines this macro for us. */ +#ifdef _D_NAMLEN +# undef NAMLEN +# define NAMLEN(d) _D_NAMLEN(d) #endif -#if defined (POSIX) && !defined (__GNU_LIBRARY__) +/* 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 +# define REAL_DIR_ENTRY(dp) 1 #else -#define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) +# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) #endif /* POSIX */ -#if (defined (STDC_HEADERS) || defined (__GNU_LIBRARY__)) -#include -#include -#define ANSI_STRING +#if defined STDC_HEADERS || defined __GNU_LIBRARY__ +# include +# include +# define ANSI_STRING #else /* No standard headers. */ -#ifdef HAVE_STRING_H -#define ANSI_STRING -#endif -#ifdef HAVE_MEMORY_H -#include -#endif +extern char *getenv (); + +# ifdef HAVE_STRING_H +# include +# define ANSI_STRING +# else +# include +# endif +# ifdef HAVE_MEMORY_H +# include +# endif + +extern char *malloc (), *realloc (); +extern void free (); extern void qsort (); extern void abort (), exit (); #endif /* Standard headers. */ +#ifdef HAVE_GETLOGIN_R +extern int getlogin_r __P ((char *, size_t)); +#else +extern char *getlogin __P ((void)); +#endif + #ifndef ANSI_STRING -#ifndef bzero +# ifndef bzero extern void bzero (); -#endif -#ifndef bcopy +# endif +# ifndef bcopy extern void bcopy (); -#endif +# endif -#define memcpy(d, s, n) bcopy ((s), (d), (n)) -#define strrchr rindex +# 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) \ +# define memset(s, better_be_zero, n) \ ((void) ((better_be_zero) == 0 ? (bzero((s), (n)), 0) : (abort(), 0))) #endif /* Not ANSI_STRING. */ -#ifndef HAVE_STRCOLL -#define strcoll strcmp +#if !defined HAVE_STRCOLL && !defined _LIBC +# define strcoll strcmp #endif +#if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1 +# define HAVE_MEMPCPY 1 +# undef mempcpy +# define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len) +#endif #ifndef __GNU_LIBRARY__ -#ifdef __GNUC__ +# ifdef __GNUC__ __inline -#endif +# endif +# ifndef __SASC +# ifdef WINDOWS32 +static void * +# else static char * +# endif my_realloc (p, n) char *p; unsigned int n; @@ -115,69 +207,150 @@ my_realloc (p, n) return (char *) malloc (n); return (char *) realloc (p, n); } -#define realloc my_realloc -#endif - +# 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 +# else /* Not HAVE_ALLOCA_H. */ +# ifndef _AIX +# ifdef WINDOWS32 +# include +# else +extern char *alloca (); +# endif /* WINDOWS32 */ +# endif /* Not _AIX. */ +# endif /* sparc or HAVE_ALLOCA_H. */ +# endif /* GCC. */ -#if !defined(__alloca) && !defined(__GNU_LIBRARY__) +# define __alloca alloca -#ifdef __GNUC__ -#undef alloca -#define alloca(n) __builtin_alloca (n) -#else /* Not GCC. */ -#if defined (sparc) || defined (HAVE_ALLOCA_H) -#include -#else /* Not sparc or HAVE_ALLOCA_H. */ -#ifndef _AIX -extern char *alloca (); -#endif /* Not _AIX. */ -#endif /* sparc or HAVE_ALLOCA_H. */ -#endif /* GCC. */ +#endif -#define __alloca alloca +#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 +#ifdef _LIBC +# undef strdup +# define strdup(str) __strdup (str) +# define sysconf(id) __sysconf (id) +# define closedir(dir) __closedir (dir) +# define opendir(name) __opendir (name) +# define readdir(str) __readdir (str) +# define getpwnam_r(name, bufp, buf, len, res) \ + __getpwnam_r (name, bufp, buf, len, res) +# ifndef __stat +# define __stat(fname, buf) __xstat (_STAT_VER, fname, buf) +# endif #endif -#ifndef STDC_HEADERS -#undef size_t -#define size_t unsigned int +#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 to take precedence. */ -#undef FNM_PATHNAME -#undef FNM_NOESCAPE -#undef FNM_PERIOD +#ifndef __GNU_LIBRARY__ +# undef FNM_PATHNAME +# undef FNM_NOESCAPE +# undef FNM_PERIOD +#endif +#include /* Some system header files erroneously define these. We want our own definitions from 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 - -__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)); +#ifndef __GNU_LIBRARY__ +# undef GLOB_ERR +# undef GLOB_MARK +# undef GLOB_NOSORT +# undef GLOB_DOOFFS +# undef GLOB_NOCHECK +# undef GLOB_APPEND +# undef GLOB_NOESCAPE +# undef GLOB_PERIOD +#endif +#include + +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)), + 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 +#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_ABEND; if it returns zero, the error is ignored. + `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 @@ -188,48 +361,238 @@ glob (pattern, flags, errfunc, pglob) glob_t *pglob; { const char *filename; - char *dirname; + const char *dirname; size_t dirlen; int status; int oldcount; if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0) { - errno = EINVAL; + __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 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) { - filename = pattern; - dirname = (char *) "."; - dirlen = 0; + /* 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 = (char *) "/"; + dirname = "/"; dirlen = 1; ++filename; } else { + char *newp; dirlen = filename - pattern; - dirname = (char *) __alloca (dirlen + 1); - memcpy (dirname, pattern, dirlen); - dirname[dirlen] = '\0'; +#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' && dirlen > 1) - /* "pattern/". Expand "pattern", appending slashes. */ - { - int ret = glob (dirname, flags | GLOB_MARK, errfunc, pglob); - if (ret == 0) - pglob->gl_flags = (pglob->gl_flags & ~GLOB_MARK) | (flags & GLOB_MARK); - return ret; + 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)) @@ -240,7 +603,237 @@ glob (pattern, flags, errfunc, pglob) oldcount = pglob->gl_pathc; - if (glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE))) +#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 **) realloc (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] = strdup (dirname); +#else + { + size_t len = strlen (dirname) + 1; + char *dircopy = malloc (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 @@ -248,9 +841,21 @@ glob (pattern, flags, errfunc, pglob) 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_NOSORT), + ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE + | GLOB_ALTDIRFUNC)) + | GLOB_NOSORT | GLOB_ONLYDIR), errfunc, &dirs); if (status != 0) return status; @@ -260,7 +865,7 @@ glob (pattern, flags, errfunc, pglob) appending the results to PGLOB. */ for (i = 0; i < dirs.gl_pathc; ++i) { - int oldcount; + int old_pathc; #ifdef SHELL { @@ -271,14 +876,15 @@ glob (pattern, flags, errfunc, pglob) { globfree (&dirs); globfree (&files); - return GLOB_ABEND; + return GLOB_ABORTED; } } #endif /* SHELL. */ - oldcount = pglob->gl_pathc; + old_pathc = pglob->gl_pathc; status = glob_in_dir (filename, dirs.gl_pathv[i], - (flags | GLOB_APPEND) & ~GLOB_NOCHECK, + ((flags | GLOB_APPEND) + & ~(GLOB_NOCHECK | GLOB_ERR)), errfunc, pglob); if (status == GLOB_NOMATCH) /* No matches in this directory. Try the next. */ @@ -293,8 +899,8 @@ glob (pattern, flags, errfunc, pglob) /* Stick the directory on the front of each name. */ if (prefix_array (dirs.gl_pathv[i], - &pglob->gl_pathv[oldcount], - pglob->gl_pathc - oldcount)) + &pglob->gl_pathv[old_pathc], + pglob->gl_pathc - old_pathc)) { globfree (&dirs); globfree (pglob); @@ -304,39 +910,87 @@ glob (pattern, flags, errfunc, pglob) 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 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; + { + /* 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 **) realloc (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] = malloc (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 **) realloc (pglob->gl_pathv, + ((pglob->gl_pathc + 1) + * sizeof (char *))); + if (new_pathv != NULL) + pglob->gl_pathv = new_pathv; + } + else + return GLOB_NOMATCH; + } - pglob->gl_pathv[pglob->gl_pathc++] = patcopy; - pglob->gl_pathv[pglob->gl_pathc] = NULL; - pglob->gl_flags = flags; - } - else - return GLOB_NOMATCH; + globfree (&dirs); } else { @@ -347,9 +1001,14 @@ glob (pattern, flags, errfunc, pglob) 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[oldcount], - pglob->gl_pathc - oldcount)) + &pglob->gl_pathv[ignore], + pglob->gl_pathc - ignore)) { globfree (pglob); return GLOB_NOSPACE; @@ -357,11 +1016,41 @@ glob (pattern, flags, errfunc, pglob) } } + 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); + { + /* 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; } @@ -410,15 +1099,35 @@ static int prefix_array (dirname, array, n) const char *dirname; char **array; - const size_t n; + 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) { @@ -431,9 +1140,17 @@ prefix_array (dirname, array, n) 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] = '/'; + new[dirlen] = DIRSEP_CHAR; memcpy (&new[dirlen + 1], array[i], eltlen); +#endif free ((__ptr_t) array[i]); array[i] = new; } @@ -442,12 +1159,14 @@ prefix_array (dirname, array, n) } +/* 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 (pattern, quote) +int +__glob_pattern_p (pattern, quote) const char *pattern; - const int quote; + int quote; { register const char *p; int open = 0; @@ -460,7 +1179,7 @@ glob_pattern_p (pattern, quote) return 1; case '\\': - if (quote) + if (quote && p[1] != '\0') ++p; break; @@ -476,6 +1195,10 @@ glob_pattern_p (pattern, quote) return 0; } +# ifdef _LIBC +weak_alias (__glob_pattern_p, glob_pattern_p) +# endif +#endif /* Like `glob', but PATTERN is a final pathname component, @@ -490,7 +1213,7 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) int (*errfunc) __P ((const char *, int)); glob_t *pglob; { - __ptr_t stream; + __ptr_t stream = NULL; struct globlink { @@ -498,70 +1221,130 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) char *name; }; struct globlink *names = NULL; - size_t nfound = 0; + size_t nfound; + int meta; + int save; - if (!glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE))) + meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); + if (meta == 0) { - stream = NULL; - flags |= GLOB_NOCHECK; + 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 { - flags |= GLOB_MAGCHAR; - - stream = (__glob_opendir_hook ? (*__glob_opendir_hook) (directory) - : (__ptr_t) opendir (directory)); - if (stream == NULL) + if (pattern[0] == '\0') { - if ((errfunc != NULL && (*errfunc) (directory, errno)) || - (flags & GLOB_ERR)) - return GLOB_ABEND; + /* 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 - while (1) - { - const char *name; - size_t len; + { + 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_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 - if (__glob_readdir_hook) - { - name = (*__glob_readdir_hook) (stream); - if (name == NULL) - break; - len = 0; - } - else - { - struct dirent *d = readdir ((DIR *) stream); - if (d == NULL) - break; - if (! REAL_DIR_ENTRY (d)) - continue; - name = d->d_name; - len = NLENGTH(d); - } - - if (fnmatch (pattern, name, - (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) | - ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)) == 0) - { - 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); - if (flags & GLOB_MARK) - new->name[len++] = '/'; - new->name[len] = '\0'; - new->next = names; - names = new; - ++nfound; - } - } + 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 *) 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 (nfound == 0 && (flags & GLOB_NOCHECK)) @@ -570,53 +1353,59 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) nfound = 1; names = (struct globlink *) __alloca (sizeof (struct globlink)); names->next = NULL; - names->name = (char *) malloc (len + ((flags & GLOB_MARK) ? 1 : 0) + 1); + 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); - if (flags & GLOB_MARK) - names->name[len++] = '/'; names->name[len] = '\0'; +#endif } - 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 (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; + 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; + 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; + pglob->gl_flags = flags; + } + save = errno; if (stream != NULL) { - int save = errno; - if (__glob_closedir_hook) - (*__glob_closedir_hook) (stream); + if (flags & GLOB_ALTDIRFUNC) + (*pglob->gl_closedir) (stream); else - (void) closedir ((DIR *) stream); - errno = save; + closedir ((DIR *) stream); } + __set_errno (save); + return nfound == 0 ? GLOB_NOMATCH : 0; memory_error: { int save = errno; - if (__glob_closedir_hook) - (*__glob_closedir_hook) (stream); + if (flags & GLOB_ALTDIRFUNC) + (*pglob->gl_closedir) (stream); else - (void) closedir ((DIR *) stream); - errno = save; + closedir ((DIR *) stream); + __set_errno (save); } while (names != NULL) { @@ -627,4 +1416,4 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) return GLOB_NOSPACE; } -#endif /* _LIBC or not __GNU_LIBRARY__. */ +#endif /* Not ELIDE_CODE. */ diff --git a/misc/glob.h b/misc/glob.h index df074c5..c4ad24f 100644 --- a/misc/glob.h +++ b/misc/glob.h @@ -1,42 +1,68 @@ -/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 95, 96, 97, 98, 2000 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. + 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. -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. + 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 this library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + 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" -{ +extern "C" { #endif #undef __ptr_t -#if defined (__cplusplus) || defined (__STDC__) -#undef __P -#define __P(protos) protos -#define __ptr_t void * +#if defined __cplusplus || (defined __STDC__ && __STDC__) || defined WINDOWS32 +# if !defined __GLIBC__ || !defined __P +# 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 -#define __P(protos) () -#undef const -#define const -#define __ptr_t char * +# 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. */ +#ifndef __size_t +# 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. */ @@ -46,27 +72,77 @@ extern "C" #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. */ -#define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \ - GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND|GLOB_PERIOD) -#if !defined (_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 2 || defined (_BSD_SOURCE) -#define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */ +#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_ABEND 2 /* Read error. */ +#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 { - 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 + 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, @@ -75,19 +151,42 @@ typedef struct `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. */ -extern int glob __P ((const char *__pattern, int __flags, - int (*__errfunc) __P ((const char *, int)), +#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. -#if !defined (_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 2 || defined (_GNU_SOURCE) -/* If they are not NULL, `glob' uses these functions to read directories. */ -extern __ptr_t (*__glob_opendir_hook) __P ((const char *__directory)); -extern const char *(*__glob_readdir_hook) __P ((__ptr_t __stream)); -extern void (*__glob_closedir_hook) __P ((__ptr_t __stream)); + 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