util-lib: split out globbing related calls into glob-util.[ch]

5 files changed, 111 insertions, 58 deletions

diff --git a/src/basic/glob-util.c b/src/basic/glob-util.c
new file mode 100644
index 0000000000..112c6392e5
--- /dev/null
+++ b/src/basic/glob-util.c
@@ -0,0 +1,71 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <glob.h>
+
+#include "glob-util.h"
+#include "strv.h"
+#include "util.h"
+
+int glob_exists(const char *path) {
+        _cleanup_globfree_ glob_t g = {};
+        int k;
+
+        assert(path);
+
+        errno = 0;
+        k = glob(path, GLOB_NOSORT|GLOB_BRACE, NULL, &g);
+
+        if (k == GLOB_NOMATCH)
+                return 0;
+        if (k == GLOB_NOSPACE)
+                return -ENOMEM;
+        if (k != 0)
+                return errno ? -errno : -EIO;
+
+        return !strv_isempty(g.gl_pathv);
+}
+
+int glob_extend(char ***strv, const char *path) {
+        _cleanup_globfree_ glob_t g = {};
+        int k;
+        char **p;
+
+        errno = 0;
+        k = glob(path, GLOB_NOSORT|GLOB_BRACE, NULL, &g);
+
+        if (k == GLOB_NOMATCH)
+                return -ENOENT;
+        if (k == GLOB_NOSPACE)
+                return -ENOMEM;
+        if (k != 0)
+                return errno ? -errno : -EIO;
+        if (strv_isempty(g.gl_pathv))
+                return -ENOENT;
+
+        STRV_FOREACH(p, g.gl_pathv) {
+                k = strv_extend(strv, *p);
+                if (k < 0)
+                        return k;
+        }
+
+        return 0;
+}
diff --git a/src/basic/glob-util.h b/src/basic/glob-util.h
new file mode 100644
index 0000000000..8817df14b4
--- /dev/null
+++ b/src/basic/glob-util.h
@@ -0,0 +1,37 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <string.h>
+
+#include "macro.h"
+#include "util.h"
+
+int glob_exists(const char *path);
+int glob_extend(char ***strv, const char *path);
+
+#define _cleanup_globfree_ _cleanup_(globfree)
+
+_pure_ static inline bool string_is_glob(const char *p) {
+        /* Check if a string contains any glob patterns. */
+        return !!strpbrk(p, GLOB_CHARS);
+}
diff --git a/src/basic/macro.h b/src/basic/macro.h
index 975714da2b..daa7c416f7 100644
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -294,9 +294,6 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
 #define PTR_TO_SIZE(p) ((size_t) ((uintptr_t) (p)))
 #define SIZE_TO_PTR(u) ((void *) ((uintptr_t) (u)))
 
-#define memzero(x,l) (memset((x), 0, (l)))
-#define zero(x) (memzero(&(x), sizeof(x)))
-
 #define CHAR_TO_STR(x) ((char[2]) { x, 0 })
 
 #define char_array_0(x) x[sizeof(x)-1] = 0;
diff --git a/src/basic/util.c b/src/basic/util.c
index 412ea50b96..6da311ad1e 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -23,7 +23,6 @@
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <glob.h>
 #include <grp.h>
 #include <langinfo.h>
 #include <libintl.h>
@@ -368,49 +367,6 @@ int socket_from_display(const char *display, char **path) {
         return 0;
 }
 
-int glob_exists(const char *path) {
-        _cleanup_globfree_ glob_t g = {};
-        int k;
-
-        assert(path);
-
-        errno = 0;
-        k = glob(path, GLOB_NOSORT|GLOB_BRACE, NULL, &g);
-
-        if (k == GLOB_NOMATCH)
-                return 0;
-        else if (k == GLOB_NOSPACE)
-                return -ENOMEM;
-        else if (k == 0)
-                return !strv_isempty(g.gl_pathv);
-        else
-                return errno ? -errno : -EIO;
-}
-
-int glob_extend(char ***strv, const char *path) {
-        _cleanup_globfree_ glob_t g = {};
-        int k;
-        char **p;
-
-        errno = 0;
-        k = glob(path, GLOB_NOSORT|GLOB_BRACE, NULL, &g);
-
-        if (k == GLOB_NOMATCH)
-                return -ENOENT;
-        else if (k == GLOB_NOSPACE)
-                return -ENOMEM;
-        else if (k != 0 || strv_isempty(g.gl_pathv))
-                return errno ? -errno : -EIO;
-
-        STRV_FOREACH(p, g.gl_pathv) {
-                k = strv_extend(strv, *p);
-                if (k < 0)
-                        break;
-        }
-
-        return k;
-}
-
 int block_get_whole_disk(dev_t d, dev_t *ret) {
         char *p, *s;
         int r;
diff --git a/src/basic/util.h b/src/basic/util.h
index 95c7c75b9c..3074029f38 100644
--- a/src/basic/util.h
+++ b/src/basic/util.h
@@ -94,9 +94,6 @@ bool plymouth_running(void);
 bool display_is_local(const char *display) _pure_;
 int socket_from_display(const char *display, char **path);
 
-int glob_exists(const char *path);
-int glob_extend(char ***strv, const char *path);
-
 int block_get_whole_disk(dev_t d, dev_t *ret);
 
 #define NULSTR_FOREACH(i, l)                                    \
@@ -132,7 +129,6 @@ static inline void freep(void *p) {
 }
 
 #define _cleanup_free_ _cleanup_(freep)
-#define _cleanup_globfree_ _cleanup_(globfree)
 
 _malloc_  _alloc_(1, 2) static inline void *malloc_multiply(size_t a, size_t b) {
         if (_unlikely_(b != 0 && a > ((size_t) -1) / b))
@@ -155,13 +151,6 @@ _alloc_(2, 3) static inline void *memdup_multiply(const void *p, size_t a, size_
         return memdup(p, a * b);
 }
 
-/**
- * Check if a string contains any glob patterns.
- */
-_pure_ static inline bool string_is_glob(const char *p) {
-        return !!strpbrk(p, GLOB_CHARS);
-}
-
 void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
                  int (*compar) (const void *, const void *, void *),
                  void *arg);
@@ -173,6 +162,9 @@ static inline void *mempset(void *s, int c, size_t n) {
         return (uint8_t*)s + n;
 }
 
+#define memzero(x,l) (memset((x), 0, (l)))
+#define zero(x) (memzero(&(x), sizeof(x)))
+
 void* greedy_realloc(void **p, size_t *allocated, size_t need, size_t size);
 void* greedy_realloc0(void **p, size_t *allocated, size_t need, size_t size);
 #define GREEDY_REALLOC(array, allocated, need)                          \