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authorPeter S. Mazinger <ps.m@gmx.net>2006-02-27 14:47:55 +0000
committerPeter S. Mazinger <ps.m@gmx.net>2006-02-27 14:47:55 +0000
commit2ecbc559282fd45c9557838be6129a2575f3c4c4 (patch)
tree576758058c7711158b8ee8d6761433b90c7d28c3 /libc/misc
parent22f05b29610faa5eaabec5821c8f6cd12ed0294e (diff)
Rich Felker's glob() ported to uClibc
Diffstat (limited to 'libc/misc')
-rw-r--r--libc/misc/glob/Makefile.in7
-rw-r--r--libc/misc/glob/glob-susv3.c322
-rw-r--r--libc/misc/glob/glob64-susv3.c20
3 files changed, 349 insertions, 0 deletions
diff --git a/libc/misc/glob/Makefile.in b/libc/misc/glob/Makefile.in
index 7a4fa79f1..2eda3dea2 100644
--- a/libc/misc/glob/Makefile.in
+++ b/libc/misc/glob/Makefile.in
@@ -6,10 +6,17 @@
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
+ifeq ($(UCLIBC_HAS_GNU_GLOB),y)
CSRC := glob.c glob-hooks.c
ifeq ($(UCLIBC_HAS_LFS),y)
CSRC += glob64.c
endif
+else
+CSRC := glob-susv3.c
+ifeq ($(UCLIBC_HAS_LFS),y)
+CSRC += glob64-susv3.c
+endif
+endif
MISC_GLOB_DIR := $(top_srcdir)libc/misc/glob
MISC_GLOB_OUT := $(top_builddir)libc/misc/glob
diff --git a/libc/misc/glob/glob-susv3.c b/libc/misc/glob/glob-susv3.c
new file mode 100644
index 000000000..e5b48cac3
--- /dev/null
+++ b/libc/misc/glob/glob-susv3.c
@@ -0,0 +1,322 @@
+/*
+ * Copyright (C) 2006 Rich Felker <dalias@aerifal.cx>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <features.h>
+
+#ifdef __UCLIBC_HAS_LFS__
+# define BUILD_GLOB64
+#endif
+
+#include <glob.h>
+#include <fnmatch.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <limits.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stddef.h>
+
+#include <unistd.h>
+#include <stdio.h>
+
+libc_hidden_proto(memcpy)
+libc_hidden_proto(strcat)
+libc_hidden_proto(strchr)
+libc_hidden_proto(strcmp)
+libc_hidden_proto(strcpy)
+libc_hidden_proto(strlen)
+libc_hidden_proto(opendir)
+libc_hidden_proto(closedir)
+libc_hidden_proto(qsort)
+libc_hidden_proto(fnmatch)
+
+struct match
+{
+ struct match *next;
+ char name[1];
+};
+
+#ifdef BUILD_GLOB64
+extern int __glob_is_literal(const char *p, int useesc) attribute_hidden;
+extern int __glob_append(struct match **tail, const char *name, size_t len, int mark) attribute_hidden;
+extern int __glob_ignore_err(const char *path, int err) attribute_hidden;
+extern void __glob_freelist(struct match *head) attribute_hidden;
+extern int __glob_sort(const void *a, const void *b) attribute_hidden;
+extern int __glob_match_in_dir(const char *d, const char *p, int flags, int (*errfunc)(const char *path, int err), struct match **tail) attribute_hidden;
+#endif
+
+#ifdef __UCLIBC_HAS_LFS__
+# define stat stat64
+# define readdir_r readdir64_r
+# define dirent dirent64
+libc_hidden_proto(readdir64_r)
+libc_hidden_proto(stat64)
+# define struct_stat struct stat64
+#else
+libc_hidden_proto(readdir_r)
+libc_hidden_proto(stat)
+# define struct_stat struct stat
+#endif
+
+/* keep only one copy of these */
+#ifndef __GLOB64
+
+# ifndef BUILD_GLOB64
+static
+# endif
+int __glob_is_literal(const char *p, int useesc)
+{
+ int bracket = 0;
+ for (; *p; p++) {
+ switch (*p) {
+ case '\\':
+ if (!useesc) break;
+ case '?':
+ case '*':
+ return 0;
+ case '[':
+ bracket = 1;
+ break;
+ case ']':
+ if (bracket) return 0;
+ break;
+ }
+ }
+ return 1;
+}
+
+# ifndef BUILD_GLOB64
+static
+# endif
+int __glob_append(struct match **tail, const char *name, size_t len, int mark)
+{
+ struct match *new = malloc(sizeof(struct match) + len + 1);
+ if (!new) return -1;
+ (*tail)->next = new;
+ new->next = NULL;
+ strcpy(new->name, name);
+ if (mark) strcat(new->name, "/");
+ *tail = new;
+ return 0;
+}
+
+# ifndef BUILD_GLOB64
+static
+# endif
+int __glob_match_in_dir(const char *d, const char *p, int flags, int (*errfunc)(const char *path, int err), struct match **tail)
+{
+ DIR *dir;
+ long long de_buf[(sizeof(struct dirent) + NAME_MAX + sizeof(long long))/sizeof(long long)];
+ struct dirent *de;
+ char pat[strlen(p)+1];
+ char *p2;
+ size_t l = strlen(d);
+ int literal;
+ int fnm_flags= ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) | FNM_PERIOD;
+ int error;
+
+ if ((p2 = strchr(p, '/'))) {
+ strcpy(pat, p);
+ pat[p2-p] = 0;
+ for (; *p2 == '/'; p2++);
+ p = pat;
+ }
+ literal = __glob_is_literal(p, !(flags & GLOB_NOESCAPE));
+ if (*d == '/' && !*(d+1)) l = 0;
+
+ /* rely on opendir failing for nondirectory objects */
+ dir = opendir(*d ? d : ".");
+ error = errno;
+ if (!dir) {
+ /* this is not an error -- we let opendir call stat for us */
+ if (error == ENOTDIR) return 0;
+ if (error == EACCES && !*p) {
+ struct_stat st;
+ if (!stat(d, &st) && S_ISDIR(st.st_mode)) {
+ if (__glob_append(tail, d, l, l))
+ return GLOB_NOSPACE;
+ return 0;
+ }
+ }
+ if (errfunc(d, error) || (flags & GLOB_ERR))
+ return GLOB_ABORTED;
+ return 0;
+ }
+ if (!*p) {
+ error = __glob_append(tail, d, l, l) ? GLOB_NOSPACE : 0;
+ closedir(dir);
+ return error;
+ }
+ while (!(error = readdir_r(dir, (void *)de_buf, &de)) && de) {
+ char namebuf[l+de->d_reclen+2], *name = namebuf;
+ if (!literal && fnmatch(p, de->d_name, fnm_flags))
+ continue;
+ if (literal && strcmp(p, de->d_name))
+ continue;
+ if (p2 && de->d_type && !S_ISDIR(de->d_type<<12) && !S_ISLNK(de->d_type<<12))
+ continue;
+ if (*d) {
+ memcpy(name, d, l);
+ name[l] = '/';
+ strcpy(name+l+1, de->d_name);
+ } else {
+ name = de->d_name;
+ }
+ if (p2) {
+ if ((error = __glob_match_in_dir(name, p2, flags, errfunc, tail))) {
+ closedir(dir);
+ return error;
+ }
+ } else {
+ int mark = 0;
+ if (flags & GLOB_MARK) {
+ if (de->d_type)
+ mark = S_ISDIR(de->d_type<<12);
+ else {
+ struct_stat st;
+ stat(name, &st);
+ mark = S_ISDIR(st.st_mode);
+ }
+ }
+ if (__glob_append(tail, name, l+de->d_reclen+1, mark)) {
+ closedir(dir);
+ return GLOB_NOSPACE;
+ }
+ }
+ }
+ closedir(dir);
+ if (error && (errfunc(d, error) || (flags & GLOB_ERR)))
+ return GLOB_ABORTED;
+ return 0;
+}
+
+# ifndef BUILD_GLOB64
+static
+# endif
+int __glob_ignore_err(const char *path, int err)
+{
+ return 0;
+}
+
+# ifndef BUILD_GLOB64
+static
+# endif
+void __glob_freelist(struct match *head)
+{
+ struct match *match, *next;
+ for (match=head->next; match; match=next) {
+ next = match->next;
+ free(match);
+ }
+}
+
+# ifndef BUILD_GLOB64
+static
+# endif
+int __glob_sort(const void *a, const void *b)
+{
+ return strcmp(*(const char **)a, *(const char **)b);
+}
+#endif /* !__GLOB64 */
+
+#ifdef __GLOB64
+libc_hidden_proto(glob64)
+#else
+libc_hidden_proto(glob)
+#endif
+int glob(const char *pat, int flags, int (*errfunc)(const char *path, int err), glob_t *g)
+{
+ const char *p=pat, *d;
+ struct match head = { .next = NULL }, *tail = &head;
+ size_t cnt, i;
+ size_t offs = (flags & GLOB_DOOFFS) ? g->gl_offs : 0;
+ int error = 0;
+
+ if (*p == '/') {
+ for (; *p == '/'; p++);
+ d = "/";
+ } else {
+ d = "";
+ }
+
+ if (!errfunc) errfunc = __glob_ignore_err;
+
+ if (!(flags & GLOB_APPEND)) {
+ g->gl_offs = offs;
+ g->gl_pathc = 0;
+ g->gl_pathv = NULL;
+ }
+
+ if (*p) error = __glob_match_in_dir(d, p, flags, errfunc, &tail);
+ if (error == GLOB_NOSPACE) {
+ __glob_freelist(&head);
+ return error;
+ }
+
+ for (cnt=0, tail=head.next; tail; tail=tail->next, cnt++);
+ if (!cnt) {
+ if (flags & GLOB_NOCHECK) {
+ tail = &head;
+ if (__glob_append(&tail, pat, strlen(pat), 0))
+ return GLOB_NOSPACE;
+ cnt++;
+ } else
+ return GLOB_NOMATCH;
+ }
+
+ if (flags & GLOB_APPEND) {
+ char **pathv = realloc(g->gl_pathv, (offs + g->gl_pathc + cnt + 1) * sizeof(char *));
+ if (!pathv) {
+ __glob_freelist(&head);
+ return GLOB_NOSPACE;
+ }
+ g->gl_pathv = pathv;
+ offs += g->gl_pathc;
+ } else {
+ g->gl_pathv = malloc((offs + cnt + 1) * sizeof(char *));
+ if (!g->gl_pathv) {
+ __glob_freelist(&head);
+ return GLOB_NOSPACE;
+ }
+ for (i=0; i<offs; i++)
+ g->gl_pathv[i] = NULL;
+ }
+ for (i=0, tail=head.next; i<cnt; tail=tail->next, i++)
+ g->gl_pathv[offs + i] = tail->name;
+ g->gl_pathv[offs + i] = NULL;
+ g->gl_pathc += cnt;
+
+ if (!(flags & GLOB_NOSORT))
+ qsort(g->gl_pathv+offs, cnt, sizeof(char *), __glob_sort);
+
+ return error;
+}
+#ifdef __GLOB64
+libc_hidden_def(glob64)
+#else
+libc_hidden_def(glob)
+#endif
+
+#ifdef __GLOB64
+libc_hidden_proto(globfree64)
+#else
+libc_hidden_proto(globfree)
+#endif
+void globfree(glob_t *g)
+{
+ size_t i;
+ for (i=0; i<g->gl_pathc; i++)
+ free(g->gl_pathv[g->gl_offs + i] - offsetof(struct match, name));
+ free(g->gl_pathv);
+ g->gl_pathc = 0;
+ g->gl_pathv = NULL;
+}
+#ifdef __GLOB64
+libc_hidden_def(globfree64)
+#else
+libc_hidden_def(globfree)
+#endif
diff --git a/libc/misc/glob/glob64-susv3.c b/libc/misc/glob/glob64-susv3.c
new file mode 100644
index 000000000..cc633cd88
--- /dev/null
+++ b/libc/misc/glob/glob64-susv3.c
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2006 Rich Felker <dalias@aerifal.cx>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <_lfs_64.h>
+
+#include <dirent.h>
+#include <glob.h>
+#include <sys/stat.h>
+
+#define glob_t glob64_t
+#define glob(pattern, flags, errfunc, pglob) \
+ glob64 (pattern, flags, errfunc, pglob)
+#define globfree(pglob) globfree64 (pglob)
+
+#define __GLOB64 1
+
+#include "glob-susv3.c"