util: split-out conf-file.[ch]

10 files changed, 188 insertions, 117 deletions

diff --git a/src/binfmt/binfmt.c b/src/binfmt/binfmt.c
index 5bd763339e..0399ab75e0 100644
--- a/src/binfmt/binfmt.c
+++ b/src/binfmt/binfmt.c
@@ -31,6 +31,7 @@
 #include "hashmap.h"
 #include "strv.h"
 #include "util.h"
+#include "conf-files.h"
 
 static int delete_rule(const char *rule) {
         char *x, *fn = NULL, *e;
diff --git a/src/modules-load/modules-load.c b/src/modules-load/modules-load.c
index 0f2144c2ed..c78f7d8aa8 100644
--- a/src/modules-load/modules-load.c
+++ b/src/modules-load/modules-load.c
@@ -31,6 +31,7 @@
 #include "log.h"
 #include "util.h"
 #include "strv.h"
+#include "conf-files.h"
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
diff --git a/src/shared/conf-files.c b/src/shared/conf-files.c
new file mode 100644
index 0000000000..019fadcf5e
--- /dev/null
+++ b/src/shared/conf-files.c
@@ -0,0 +1,151 @@
+/*-*- 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 <assert.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <dirent.h>
+
+#include "macro.h"
+#include "util.h"
+#include "missing.h"
+#include "log.h"
+#include "strv.h"
+#include "hashmap.h"
+#include "conf-files.h"
+
+static int files_add(Hashmap *h, const char *path, const char *suffix) {
+        DIR *dir;
+        struct dirent buffer, *de;
+        int r = 0;
+
+        dir = opendir(path);
+        if (!dir) {
+                if (errno == ENOENT)
+                        return 0;
+                return -errno;
+        }
+
+        for (;;) {
+                int k;
+                char *p;
+
+                k = readdir_r(dir, &buffer, &de);
+                if (k != 0) {
+                        r = -k;
+                        goto finish;
+                }
+
+                if (!de)
+                        break;
+
+                if (!dirent_is_file_with_suffix(de, suffix))
+                        continue;
+
+                if (asprintf(&p, "%s/%s", path, de->d_name) < 0) {
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (hashmap_put(h, file_name_from_path(p), p) <= 0) {
+                        log_debug("Skip overridden file: %s.", p);
+                        free(p);
+                }
+        }
+
+finish:
+        closedir(dir);
+        return r;
+}
+
+static int base_cmp(const void *a, const void *b) {
+        const char *s1, *s2;
+
+        s1 = *(char * const *)a;
+        s2 = *(char * const *)b;
+        return strcmp(file_name_from_path(s1), file_name_from_path(s2));
+}
+
+int conf_files_list_strv(char ***strv, const char *suffix, const char **dirs) {
+        Hashmap *fh = NULL;
+        char **files = NULL;
+        const char **p;
+        int r = 0;
+
+        assert(dirs);
+
+        fh = hashmap_new(string_hash_func, string_compare_func);
+        if (!fh) {
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        STRV_FOREACH(p, dirs) {
+                if (files_add(fh, *p, suffix) < 0) {
+                        log_error("Failed to search for files.");
+                        r = -EINVAL;
+                        goto finish;
+                }
+        }
+
+        files = hashmap_get_strv(fh);
+        if (files == NULL) {
+                log_error("Failed to compose list of files.");
+                r = -ENOMEM;
+                goto finish;
+        }
+        qsort(files, hashmap_size(fh), sizeof(char *), base_cmp);
+
+finish:
+        hashmap_free(fh);
+        *strv = files;
+        return r;
+}
+
+int conf_files_list(char ***strv, const char *suffix, const char *dir, ...) {
+        char **dirs = NULL;
+        va_list ap;
+        int r;
+
+        va_start(ap, dir);
+        dirs = strv_new_ap(dir, ap);
+        va_end(ap);
+        if (!dirs) {
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!strv_path_canonicalize(dirs)) {
+                r = -ENOMEM;
+                goto finish;
+        }
+        strv_uniq(dirs);
+
+        r = conf_files_list_strv(strv, suffix, (const char **)dirs);
+
+finish:
+        strv_free(dirs);
+        return r;
+}
diff --git a/src/shared/conf-files.h b/src/shared/conf-files.h
new file mode 100644
index 0000000000..f37ee1f3db
--- /dev/null
+++ b/src/shared/conf-files.h
@@ -0,0 +1,31 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#ifndef fooconffileshfoo
+#define fooconffileshfoo
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010-2012 Lennart Poettering
+  Copyright 2010-2012 Kay Sievers
+
+  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 "macro.h"
+
+int conf_files_list(char ***strv, const char *suffix, const char *dir, ...);
+int conf_files_list_strv(char ***strv, const char *suffix, const char **dirs);
+
+#endif
diff --git a/src/shared/install.c b/src/shared/install.c
index a982c54142..a77dfc77e4 100644
--- a/src/shared/install.c
+++ b/src/shared/install.c
@@ -34,6 +34,7 @@
 #include "unit-name.h"
 #include "install.h"
 #include "conf-parser.h"
+#include "conf-files.h"
 
 typedef struct {
         char *name;
diff --git a/src/shared/util.c b/src/shared/util.c
index 2bfa2cb4e6..d6f5661c24 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -4863,120 +4863,6 @@ int vt_disallocate(const char *name) {
         return 0;
 }
 
-static int files_add(Hashmap *h, const char *path, const char *suffix) {
-        DIR *dir;
-        struct dirent buffer, *de;
-        int r = 0;
-
-        dir = opendir(path);
-        if (!dir) {
-                if (errno == ENOENT)
-                        return 0;
-                return -errno;
-        }
-
-        for (;;) {
-                int k;
-                char *p;
-
-                k = readdir_r(dir, &buffer, &de);
-                if (k != 0) {
-                        r = -k;
-                        goto finish;
-                }
-
-                if (!de)
-                        break;
-
-                if (!dirent_is_file_with_suffix(de, suffix))
-                        continue;
-
-                if (asprintf(&p, "%s/%s", path, de->d_name) < 0) {
-                        r = -ENOMEM;
-                        goto finish;
-                }
-
-                if (hashmap_put(h, file_name_from_path(p), p) <= 0) {
-                        log_debug("Skip overridden file: %s.", p);
-                        free(p);
-                }
-        }
-
-finish:
-        closedir(dir);
-        return r;
-}
-
-static int base_cmp(const void *a, const void *b) {
-        const char *s1, *s2;
-
-        s1 = *(char * const *)a;
-        s2 = *(char * const *)b;
-        return strcmp(file_name_from_path(s1), file_name_from_path(s2));
-}
-
-int conf_files_list_strv(char ***strv, const char *suffix, const char **dirs) {
-        Hashmap *fh = NULL;
-        char **files = NULL;
-        const char **p;
-        int r = 0;
-
-        assert(dirs);
-
-        fh = hashmap_new(string_hash_func, string_compare_func);
-        if (!fh) {
-                r = -ENOMEM;
-                goto finish;
-        }
-
-        STRV_FOREACH(p, dirs) {
-                if (files_add(fh, *p, suffix) < 0) {
-                        log_error("Failed to search for files.");
-                        r = -EINVAL;
-                        goto finish;
-                }
-        }
-
-        files = hashmap_get_strv(fh);
-        if (files == NULL) {
-                log_error("Failed to compose list of files.");
-                r = -ENOMEM;
-                goto finish;
-        }
-        qsort(files, hashmap_size(fh), sizeof(char *), base_cmp);
-
-finish:
-        hashmap_free(fh);
-        *strv = files;
-        return r;
-}
-
-int conf_files_list(char ***strv, const char *suffix, const char *dir, ...) {
-        char **dirs = NULL;
-        va_list ap;
-        int r;
-
-        va_start(ap, dir);
-        dirs = strv_new_ap(dir, ap);
-        va_end(ap);
-        if (!dirs) {
-                r = -ENOMEM;
-                goto finish;
-        }
-
-        if (!strv_path_canonicalize(dirs)) {
-                r = -ENOMEM;
-                goto finish;
-        }
-        strv_uniq(dirs);
-
-        r = conf_files_list_strv(strv, suffix, (const char **)dirs);
-
-finish:
-        strv_free(dirs);
-        return r;
-}
-
 int hwclock_is_localtime(void) {
         FILE *f;
         bool local = false;
diff --git a/src/shared/util.h b/src/shared/util.h
index 7a2661a04f..b246996fcc 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -460,9 +460,6 @@ int symlink_or_copy_atomic(const char *from, const char *to);
 
 int fchmod_umask(int fd, mode_t mode);
 
-int conf_files_list(char ***strv, const char *suffix, const char *dir, ...);
-int conf_files_list_strv(char ***strv, const char *suffix, const char **dirs);
-
 int hwclock_is_localtime(void);
 int hwclock_apply_localtime_delta(int *min);
 int hwclock_reset_localtime_delta(void);
diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c
index 57fba25605..575095f812 100644
--- a/src/sysctl/sysctl.c
+++ b/src/sysctl/sysctl.c
@@ -31,6 +31,7 @@
 #include "strv.h"
 #include "util.h"
 #include "strv.h"
+#include "conf-files.h"
 
 #define PROC_SYS_PREFIX "/proc/sys/"
 
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index d8fcb40155..16666ce5a6 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -45,6 +45,7 @@
 #include "strv.h"
 #include "label.h"
 #include "set.h"
+#include "conf-files.h"
 
 /* This reads all files listed in /etc/tmpfiles.d/?*.conf and creates
  * them in the file system. This is intended to be used to create
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
index 22b91c6797..45a611474d 100644
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -31,6 +31,7 @@
 #include <time.h>
 
 #include "udev.h"
+#include "conf-files.h"
 
 #define PREALLOC_TOKEN          2048
 #define PREALLOC_STRBUF         32 * 1024