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-rw-r--r--misc/glob.c630
1 files changed, 0 insertions, 630 deletions
diff --git a/misc/glob.c b/misc/glob.c
deleted file mode 100644
index 8cfd3377a..000000000
--- a/misc/glob.c
+++ /dev/null
@@ -1,630 +0,0 @@
-/* Copyright (C) 1991, 1992, 1993, 1994 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., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-/* AIX requires this to be the first thing in the file. */
-#if defined (_AIX) && !defined (__GNUC__)
- #pragma alloca
-#endif
-
-#include "system.h"
-
-/* 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. */
-
-#if defined (_LIBC) || !defined (__GNU_LIBRARY__)
-
-#ifdef STDC_HEADERS
-#include <stddef.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#ifndef POSIX
-#ifdef _POSIX_VERSION
-#define POSIX
-#endif
-#endif
-#endif
-
-#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
-extern int errno;
-#endif
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-#if defined (POSIX) && !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. */
-
-#ifdef HAVE_STRING_H
-#define ANSI_STRING
-#endif
-#ifdef HAVE_MEMORY_H
-#include <memory.h>
-#endif
-
-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. */
-
-#ifndef HAVE_STRCOLL
-#define strcoll strcmp
-#endif
-
-
-#ifndef __GNU_LIBRARY__
-#ifdef __GNUC__
-__inline
-#endif
-static char *
-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
-
-
-#if !defined(__alloca) && !defined(__GNU_LIBRARY__)
-
-#ifdef __GNUC__
-#undef alloca
-#define alloca(n) __builtin_alloca (n)
-#else /* Not GCC. */
-#if defined (sparc) || defined (HAVE_ALLOCA_H)
-#include <alloca.h>
-#else /* Not sparc or HAVE_ALLOCA_H. */
-#ifndef _AIX
-extern char *alloca ();
-#endif /* Not _AIX. */
-#endif /* sparc or HAVE_ALLOCA_H. */
-#endif /* GCC. */
-
-#define __alloca alloca
-
-#endif
-
-#ifndef STDC_HEADERS
-#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
-
-/* 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
-
-__ptr_t (*__glob_opendir_hook) __P ((const char *directory));
-const char *(*__glob_readdir_hook) __P ((__ptr_t stream));
-void (*__glob_closedir_hook) __P ((__ptr_t stream));
-
-static int glob_pattern_p __P ((const char *pattern, int quote));
-static int glob_in_dir __P ((const char *pattern, const char *directory,
- int flags,
- int (*errfunc) __P ((const char *, int)),
- glob_t *pglob));
-static int prefix_array __P ((const char *prefix, char **array, size_t n));
-static int collated_compare __P ((const __ptr_t, const __ptr_t));
-
-/* Do glob searching for PATTERN, placing results in PGLOB.
- The bits defined above may be set in FLAGS.
- If a directory cannot be opened or read and ERRFUNC is not nil,
- it is called with the pathname that caused the error, and the
- `errno' value from the failing call; if it returns non-zero
- `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
- If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
- Otherwise, `glob' returns zero. */
-int
-glob (pattern, flags, errfunc, pglob)
- const char *pattern;
- int flags;
- int (*errfunc) __P ((const char *, int));
- glob_t *pglob;
-{
- const char *filename;
- char *dirname;
- size_t dirlen;
- int status;
- int oldcount;
-
- if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
- {
- errno = EINVAL;
- return -1;
- }
-
- /* Find the filename. */
- filename = strrchr (pattern, '/');
- if (filename == NULL)
- {
- filename = pattern;
- dirname = (char *) ".";
- dirlen = 0;
- }
- else if (filename == pattern)
- {
- /* "/pattern". */
- dirname = (char *) "/";
- dirlen = 1;
- ++filename;
- }
- else
- {
- dirlen = filename - pattern;
- dirname = (char *) __alloca (dirlen + 1);
- memcpy (dirname, pattern, dirlen);
- dirname[dirlen] = '\0';
- ++filename;
- }
-
- if (filename[0] == '\0' && dirlen > 1)
- /* "pattern/". Expand "pattern", appending slashes. */
- {
- int 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 (!(flags & GLOB_APPEND))
- {
- pglob->gl_pathc = 0;
- pglob->gl_pathv = NULL;
- }
-
- oldcount = pglob->gl_pathc;
-
- if (glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE)))
- {
- /* The directory name contains metacharacters, so we
- have to glob for the directory, and then glob for
- the pattern in each directory found. */
- glob_t dirs;
- register int i;
-
- status = glob (dirname,
- ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE)) |
- GLOB_NOSORT),
- errfunc, &dirs);
- if (status != 0)
- return status;
-
- /* We have successfully globbed the preceding directory name.
- For each name we found, call glob_in_dir on it and FILENAME,
- appending the results to PGLOB. */
- for (i = 0; i < dirs.gl_pathc; ++i)
- {
- int oldcount;
-
-#ifdef SHELL
- {
- /* Make globbing interruptible in the bash shell. */
- extern int interrupt_state;
-
- if (interrupt_state)
- {
- globfree (&dirs);
- globfree (&files);
- return GLOB_ABEND;
- }
- }
-#endif /* SHELL. */
-
- oldcount = pglob->gl_pathc;
- status = glob_in_dir (filename, dirs.gl_pathv[i],
- (flags | GLOB_APPEND) & ~GLOB_NOCHECK,
- errfunc, pglob);
- if (status == GLOB_NOMATCH)
- /* No matches in this directory. Try the next. */
- continue;
-
- if (status != 0)
- {
- globfree (&dirs);
- globfree (pglob);
- return status;
- }
-
- /* Stick the directory on the front of each name. */
- if (prefix_array (dirs.gl_pathv[i],
- &pglob->gl_pathv[oldcount],
- pglob->gl_pathc - oldcount))
- {
- 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_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;
- const 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;
- }
-
- memcpy (new, dirname, dirlen);
- new[dirlen] = '/';
- memcpy (&new[dirlen + 1], array[i], eltlen);
- free ((__ptr_t) array[i]);
- array[i] = new;
- }
-
- return 0;
-}
-
-
-/* Return nonzero if PATTERN contains any metacharacters.
- Metacharacters can be quoted with backslashes if QUOTE is nonzero. */
-static int
-glob_pattern_p (pattern, quote)
- const char *pattern;
- const int quote;
-{
- register const char *p;
- int open = 0;
-
- for (p = pattern; *p != '\0'; ++p)
- switch (*p)
- {
- case '?':
- case '*':
- return 1;
-
- case '\\':
- if (quote)
- ++p;
- break;
-
- case '[':
- open = 1;
- break;
-
- case ']':
- if (open)
- return 1;
- break;
- }
-
- return 0;
-}
-
-
-/* Like `glob', but PATTERN is a final pathname component,
- and matches are searched for in DIRECTORY.
- The GLOB_NOSORT bit in FLAGS is ignored. No sorting is ever done.
- The GLOB_APPEND flag is assumed to be set (always appends). */
-static int
-glob_in_dir (pattern, directory, flags, errfunc, pglob)
- const char *pattern;
- const char *directory;
- int flags;
- int (*errfunc) __P ((const char *, int));
- glob_t *pglob;
-{
- __ptr_t stream;
-
- struct globlink
- {
- struct globlink *next;
- char *name;
- };
- struct globlink *names = NULL;
- size_t nfound = 0;
-
- if (!glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)))
- {
- stream = NULL;
- flags |= GLOB_NOCHECK;
- }
- else
- {
- flags |= GLOB_MAGCHAR;
-
- stream = (__glob_opendir_hook ? (*__glob_opendir_hook) (directory)
- : (__ptr_t) opendir (directory));
- if (stream == NULL)
- {
- if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
- (flags & GLOB_ERR))
- return GLOB_ABEND;
- }
- else
- while (1)
- {
- const char *name;
- size_t len;
-
- 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;
- }
- }
- }
-
- if (nfound == 0 && (flags & GLOB_NOCHECK))
- {
- size_t len = strlen (pattern);
- nfound = 1;
- names = (struct globlink *) __alloca (sizeof (struct globlink));
- names->next = NULL;
- names->name = (char *) malloc (len + ((flags & GLOB_MARK) ? 1 : 0) + 1);
- if (names->name == NULL)
- goto memory_error;
- memcpy (names->name, pattern, len);
- if (flags & GLOB_MARK)
- names->name[len++] = '/';
- names->name[len] = '\0';
- }
-
- pglob->gl_pathv
- = (char **) realloc (pglob->gl_pathv,
- (pglob->gl_pathc +
- ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) +
- nfound + 1) *
- sizeof (char *));
- if (pglob->gl_pathv == NULL)
- goto memory_error;
-
- if (flags & GLOB_DOOFFS)
- while (pglob->gl_pathc < pglob->gl_offs)
- pglob->gl_pathv[pglob->gl_pathc++] = NULL;
-
- for (; names != NULL; names = names->next)
- pglob->gl_pathv[pglob->gl_pathc++] = names->name;
- pglob->gl_pathv[pglob->gl_pathc] = NULL;
-
- pglob->gl_flags = flags;
-
- if (stream != NULL)
- {
- int save = errno;
- if (__glob_closedir_hook)
- (*__glob_closedir_hook) (stream);
- else
- (void) closedir ((DIR *) stream);
- errno = save;
- }
- return nfound == 0 ? GLOB_NOMATCH : 0;
-
- memory_error:
- {
- int save = errno;
- if (__glob_closedir_hook)
- (*__glob_closedir_hook) (stream);
- else
- (void) closedir ((DIR *) stream);
- errno = save;
- }
- while (names != NULL)
- {
- if (names->name != NULL)
- free ((__ptr_t) names->name);
- names = names->next;
- }
- return GLOB_NOSPACE;
-}
-
-#endif /* _LIBC or not __GNU_LIBRARY__. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 13:47:40 +0000