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-rw-r--r--libc/misc/glob/glob.c425
1 files changed, 202 insertions, 223 deletions
diff --git a/libc/misc/glob/glob.c b/libc/misc/glob/glob.c
index 1d097e024..b59d62b27 100644
--- a/libc/misc/glob/glob.c
+++ b/libc/misc/glob/glob.c
@@ -40,19 +40,11 @@ libc_hidden_proto(qsort)
libc_hidden_proto(lstat)
-extern __ptr_t (*__glob_opendir_hook) __P ((const char *directory)) attribute_hidden;
-extern void (*__glob_closedir_hook) __P ((__ptr_t stream)) attribute_hidden;
-extern const char *(*__glob_readdir_hook) __P ((__ptr_t stream)) attribute_hidden;
+extern __ptr_t (*__glob_opendir_hook) (const char *directory) attribute_hidden;
+extern void (*__glob_closedir_hook) (__ptr_t stream) attribute_hidden;
+extern const char *(*__glob_readdir_hook) (__ptr_t stream) attribute_hidden;
-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,
- int add_slash));
-static int collated_compare __P ((const __ptr_t, const __ptr_t));
-
libc_hidden_proto(glob_pattern_p)
#ifdef __GLOB64
libc_hidden_proto(glob64)
@@ -99,6 +91,204 @@ libc_hidden_def(glob_pattern_p)
#endif
+/* 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 *) a;
+ const char *const s2 = *(const char *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.
+ If ADD_SLASH is non-zero, allocate one character more than
+ necessary, so that a slash can be appended later. */
+static int
+prefix_array (const char *dirname, char **array, size_t n, int add_slash)
+{
+ 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 + (add_slash ? 1 : 0));
+ 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;
+}
+
+
+/* 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) (const char *, int), glob_t *pglob)
+{
+ __ptr_t stream;
+
+ struct globlink
+ {
+ struct globlink *next;
+ char *name;
+ };
+ struct globlink *names = NULL;
+ size_t nfound = 0;
+ int meta;
+
+ 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_ABORTED;
+ }
+
+ meta = glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
+
+ if (meta)
+ flags |= GLOB_MAGCHAR;
+
+ 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 (! (d->d_ino != 0))
+ continue;
+ name = d->d_name;
+#ifdef _DIRENT_HAVE_D_NAMLEN
+ len = d->d_namlen;
+#else
+ len = 0;
+#endif
+ }
+
+ if ((!meta && strcmp (pattern, name) == 0)
+ || 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);
+ new->name[len] = '\0';
+ new->next = names;
+ names = new;
+ ++nfound;
+ if (!meta)
+ break;
+ }
+ }
+
+ 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);
+ 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;
+
+ {
+ 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;
+}
+
/* 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,
@@ -111,7 +301,7 @@ int
glob (pattern, flags, errfunc, pglob)
const char *pattern;
int flags;
- int (*errfunc) __P ((const char *, int));
+ int (*errfunc) (const char *, int);
glob_t *pglob;
{
const char *filename;
@@ -334,214 +524,3 @@ libc_hidden_def(globfree64)
#else
libc_hidden_def(globfree)
#endif
-
-
-/* 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 *) a;
- const char *const s2 = *(const char *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.
- If ADD_SLASH is non-zero, allocate one character more than
- necessary, so that a slash can be appended later. */
-static int
-prefix_array (dirname, array, n, add_slash)
- const char *dirname;
- char **array;
- size_t n;
- int add_slash;
-{
- 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 + (add_slash ? 1 : 0));
- 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;
-}
-
-
-/* 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;
- int meta;
-
- 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_ABORTED;
- }
-
- meta = glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
-
- if (meta)
- flags |= GLOB_MAGCHAR;
-
- 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 (! (d->d_ino != 0))
- continue;
- name = d->d_name;
-#ifdef _DIRENT_HAVE_D_NAMLEN
- len = d->d_namlen;
-#else
- len = 0;
-#endif
- }
-
- if ((!meta && strcmp (pattern, name) == 0)
- || 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);
- new->name[len] = '\0';
- new->next = names;
- names = new;
- ++nfound;
- if (!meta)
- break;
- }
- }
-
- 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);
- 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;
-
- {
- 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;
-}
-