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-rw-r--r--posix/glob.c157
1 files changed, 118 insertions, 39 deletions
diff --git a/posix/glob.c b/posix/glob.c
index 90dd9d90f9..ce17fe135f 100644
--- a/posix/glob.c
+++ b/posix/glob.c
@@ -37,8 +37,15 @@ 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__)
+#define GLOB_INTERFACE_VERSION 1
+#if !defined (_LIBC) && defined (__GNU_LIBRARY__) && __GNU_LIBRARY__ > 1
+#include <gnu-versions.h>
+#if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
+#define ELIDE_CODE
+#endif
+#endif
+#ifndef ELIDE_CODE
#ifdef STDC_HEADERS
#include <stddef.h>
@@ -53,6 +60,8 @@ Cambridge, MA 02139, USA. */
#endif
#endif
+#include <pwd.h>
+
#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
extern int errno;
#endif
@@ -175,10 +184,7 @@ extern char *alloca ();
#endif
#ifndef __GNU_LIBRARY__
-#define __lstat lstat
-#ifndef HAVE_LSTAT
-#define lstat stat
-#endif
+#define __stat stat
#ifdef STAT_MACROS_BROKEN
#undef S_ISDIR
#endif
@@ -211,10 +217,6 @@ extern char *alloca ();
#undef GLOB_PERIOD
#include <glob.h>
-__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,
@@ -250,6 +252,56 @@ glob (pattern, flags, errfunc, pglob)
return -1;
}
+ if (flags & GLOB_BRACE)
+ {
+ const char *begin = strchr (pattern, '{');
+ if (begin != NULL)
+ {
+ const char *end = strchr (begin + 1, '}');
+ if (end != NULL && end != begin + 1)
+ {
+ size_t restlen = strlen (end + 1) + 1;
+ const char *p, *comma;
+ char *buf;
+ size_t bufsz = 0;
+ int firstc;
+ if (!(flags & GLOB_APPEND))
+ {
+ pglob->gl_pathc = 0;
+ pglob->gl_pathv = NULL;
+ }
+ firstc = pglob->gl_pathc;
+ for (p = begin + 1;; p = comma + 1)
+ {
+ int result;
+ comma = strchr (p, ',');
+ if (comma == NULL)
+ comma = strchr (p, '\0');
+ if ((begin - pattern) + (comma - p) + 1 > bufsz)
+ {
+ if (bufsz * 2 < comma - p + 1)
+ bufsz *= 2;
+ else
+ bufsz = comma - p + 1;
+ buf = __alloca (bufsz);
+ }
+ memcpy (buf, pattern, begin - pattern);
+ memcpy (buf + (begin - pattern), p, comma - p);
+ memcpy (buf + (begin - pattern) + (comma - p), end, restlen);
+ result = glob (buf, (flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC) |
+ GLOB_APPEND), errfunc, pglob);
+ if (result && result != GLOB_NOMATCH)
+ return result;
+ if (*comma == '\0')
+ break;
+ }
+ if (pglob->gl_pathc == firstc &&
+ !(flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
+ return GLOB_NOMATCH;
+ }
+ }
+ }
+
/* Find the filename. */
filename = strrchr (pattern, '/');
if (filename == NULL)
@@ -291,6 +343,35 @@ glob (pattern, flags, errfunc, pglob)
oldcount = pglob->gl_pathc;
+ if ((flags & GLOB_TILDE) && dirname[0] == '~')
+ {
+ if (dirname[1] == '\0')
+ {
+ /* Look up home directory. */
+ dirname = getenv ("HOME");
+ if (dirname == NULL || dirname[0] == '\0')
+ {
+ extern char *getlogin ();
+ char *name = getlogin ();
+ if (name != NULL)
+ {
+ struct passwd *p = getpwnam (name);
+ if (p != NULL)
+ dirname = p->pw_dir;
+ }
+ }
+ if (dirname == NULL || dirname[0] == '\0')
+ dirname = (char *) "~"; /* No luck. */
+ }
+ else
+ {
+ /* Look up specific user's home directory. */
+ struct passwd *p = getpwnam (dirname + 1);
+ if (p != NULL)
+ dirname = p->pw_dir;
+ }
+ }
+
if (glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE)))
{
/* The directory name contains metacharacters, so we
@@ -414,7 +495,8 @@ glob (pattern, flags, errfunc, pglob)
int i;
struct stat st;
for (i = oldcount; i < pglob->gl_pathc; ++i)
- if (__lstat (pglob->gl_pathv[i], &st) == 0 &&
+ if (((flags & GLOB_ALTDIRFUNC) ?
+ *pglob->gl_stat : __stat) (pglob->gl_pathv[i], &st) == 0 &&
S_ISDIR (st.st_mode))
{
size_t len = strlen (pglob->gl_pathv[i]) + 2;
@@ -581,8 +663,9 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
{
flags |= GLOB_MAGCHAR;
- stream = (__glob_opendir_hook ? (*__glob_opendir_hook) (directory)
- : (__ptr_t) opendir (directory));
+ stream = ((flags & GLOB_ALTDIRFUNC) ?
+ (*pglob->gl_opendir) (directory) :
+ opendir (directory));
if (stream == NULL)
{
if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
@@ -594,29 +677,20 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
{
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;
+ struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ?
+ (*pglob->gl_readdir) (stream) :
+ readdir (stream));
+ if (d == NULL)
+ break;
+ if (! REAL_DIR_ENTRY (d))
+ continue;
+ name = d->d_name;
#ifdef HAVE_D_NAMLEN
- len = d->d_namlen;
+ len = d->d_namlen;
#else
- len = 0;
+ len = 0;
#endif
- }
-
+
if (fnmatch (pattern, name,
(!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) |
((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)) == 0)
@@ -638,6 +712,10 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
}
}
+ if (nfound == 0 && (flags & GLOB_NOMAGIC) &&
+ ! glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)))
+ flags |= GLOB_NOCHECK;
+
if (nfound == 0 && (flags & GLOB_NOCHECK))
{
size_t len = strlen (pattern);
@@ -673,10 +751,10 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
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);
+ closedir (stream);
errno = save;
}
return nfound == 0 ? GLOB_NOMATCH : 0;
@@ -684,10 +762,10 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
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);
+ closedir (stream);
errno = save;
}
while (names != NULL)
@@ -699,4 +777,5 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
return GLOB_NOSPACE;
}
-#endif /* _LIBC or not __GNU_LIBRARY__. */
+#endif /* Not ELIDE_CODE. */
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 14:55:09 +0000