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Diffstat (limited to 'sysdeps/generic/glob.c')
-rw-r--r--sysdeps/generic/glob.c190
1 files changed, 113 insertions, 77 deletions
diff --git a/sysdeps/generic/glob.c b/sysdeps/generic/glob.c
index 70d125c200..9182c0585a 100644
--- a/sysdeps/generic/glob.c
+++ b/sysdeps/generic/glob.c
@@ -797,10 +797,10 @@ glob (pattern, flags, errfunc, pglob)
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))
+ 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);
@@ -958,7 +958,7 @@ 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
{
@@ -970,92 +970,127 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
int meta;
int save;
- stream = ((flags & GLOB_ALTDIRFUNC) ?
- (*pglob->gl_opendir) (directory) :
- (__ptr_t) opendir (directory));
- if (stream == NULL)
+ meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
+ if (meta == 0)
{
- if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
- (flags & GLOB_ERR))
- return GLOB_ABORTED;
+ 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 the 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 = __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. No tell the rest
+ of the function to copy this name into the result. */
+ flags |= GLOB_NOCHECK;
+ }
+
nfound = 0;
- meta = 0;
- }
- else if (pattern[0] == '\0')
- {
- /* This is a special case for matching directories like in
- "*a/". */
- names = (struct globlink *) __alloca (sizeof (struct globlink));
- names->name = (char *) malloc (1);
- if (names->name == NULL)
- goto memory_error;
- names->name[0] = '\0';
- names->next = NULL;
- nfound = 1;
- meta = 0;
}
else
{
- nfound = 0;
- meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
- if(meta)
- flags |= GLOB_MAGCHAR;
-
- while (1)
+ if (pattern[0] == '\0')
{
- 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;
+ /* 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
+ {
+ stream = ((flags & GLOB_ALTDIRFUNC)
+ ? (*pglob->gl_opendir) (directory)
+ : (__ptr_t) opendir (directory));
+ if (stream == NULL)
+ {
+ if ((errfunc != NULL && (*errfunc) (directory, errno))
+ || (flags & GLOB_ERR))
+ return GLOB_ABORTED;
+ nfound = 0;
+ meta = 0;
+ }
+ else
+ {
+ 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;
+ /* 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;
+ name = d->d_name;
- if ((!meta && strcmp (pattern, name) == 0)
- || fnmatch (pattern, name,
- (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) |
- ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
-#if defined _AMIGA || defined VMS
- | FNM_CASEFOLD
-#endif
- ) == 0)
- {
- struct globlink *new
- = (struct globlink *) __alloca (sizeof (struct globlink));
- len = NAMLEN (d);
- new->name = (char *) malloc (len + 1);
- if (new->name == NULL)
- goto memory_error;
+ 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';
+ *((char *) mempcpy ((__ptr_t) new->name, name, len))
+ = '\0';
#else
- memcpy ((__ptr_t) new->name, name, len);
- new->name[len] = '\0';
+ memcpy ((__ptr_t) new->name, name, len);
+ new->name[len] = '\0';
#endif
- new->next = names;
- names = new;
- ++nfound;
- if (!meta)
- break;
+ new->next = names;
+ names = new;
+ ++nfound;
+ }
+ }
}
}
}
- if (nfound == 0 && (flags & GLOB_NOMAGIC) && !meta)
- flags |= GLOB_NOCHECK;
-
if (nfound == 0 && (flags & GLOB_NOCHECK))
{
size_t len = strlen (pattern);
@@ -1096,10 +1131,11 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
}
save = errno;
- if (flags & GLOB_ALTDIRFUNC)
- (*pglob->gl_closedir) (stream);
- else
- closedir ((DIR *) stream);
+ if (stream != NULL)
+ if (flags & GLOB_ALTDIRFUNC)
+ (*pglob->gl_closedir) (stream);
+ else
+ closedir ((DIR *) stream);
__set_errno (save);
return nfound == 0 ? GLOB_NOMATCH : 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-13 03:15:41 +0000