core: replace readdir_r with readdir

[elogind.git] / src / core / load-dropin.c

diff --git a/src/core/load-dropin.c b/src/core/load-dropin.c
index 95c9a386ca8efffc7a68cc951975cfd7e6e47454..35040090ac3bbe186d2d295b7b4630e76d3dc040 100644 (file)
--- a/src/core/load-dropin.c
+++ b/src/core/load-dropin.c
@@ -31,7 +31,12 @@
 #include "load-fragment.h"
 #include "conf-files.h"
 
-static int iterate_dir(Unit *u, const char *path, UnitDependency dependency, char ***strv) {
+static int iterate_dir(
+                Unit *u,
+                const char *path,
+                UnitDependency dependency,
+                char ***strv) {
+
         _cleanup_closedir_ DIR *d = NULL;
         int r;
 
@@ -58,12 +63,13 @@ static int iterate_dir(Unit *u, const char *path, UnitDependency dependency, cha
 
         for (;;) {
                 struct dirent *de;
-                union dirent_storage buf;
                 _cleanup_free_ char *f = NULL;
                 int k;
 
-                k = readdir_r(d, &buf.de, &de);
-                if (k != 0) {
+                errno = 0;
+                de = readdir(d);
+                if (!de && errno != 0) {
+                        k = errno;
                         log_error("Failed to read directory %s: %s", path, strerror(k));
                         return -k;
                 }
@@ -86,7 +92,14 @@ static int iterate_dir(Unit *u, const char *path, UnitDependency dependency, cha
         return 0;
 }
 
-static int process_dir(Unit *u, const char *unit_path, const char *name, const char *suffix, UnitDependency dependency, char ***strv) {
+static int process_dir(
+                Unit *u,
+                const char *unit_path,
+                const char *name,
+                const char *suffix,
+                UnitDependency dependency,
+                char ***strv) {
+
         int r;
         char *path;
 
@@ -97,7 +110,7 @@ static int process_dir(Unit *u, const char *unit_path, const char *name, const c
 
         path = strjoin(unit_path, "/", name, suffix, NULL);
         if (!path)
-                return -ENOMEM;
+                return log_oom();
 
         if (u->manager->unit_path_cache &&
             !set_get(u->manager->unit_path_cache, path))
@@ -115,13 +128,13 @@ static int process_dir(Unit *u, const char *unit_path, const char *name, const c
 
                 template = unit_name_template(name);
                 if (!template)
-                        return -ENOMEM;
+                        return log_oom();
 
                 path = strjoin(unit_path, "/", template, suffix, NULL);
                 free(template);
 
                 if (!path)
-                        return -ENOMEM;
+                        return log_oom();
 
                 if (u->manager->unit_path_cache &&
                     !set_get(u->manager->unit_path_cache, path))
@@ -137,12 +150,43 @@ static int process_dir(Unit *u, const char *unit_path, const char *name, const c
         return 0;
 }
 
-int unit_load_dropin(Unit *u) {
+char **unit_find_dropin_paths(Unit *u) {
+        _cleanup_strv_free_ char **strv = NULL;
+        char **configs = NULL;
         Iterator i;
         char *t;
-        _cleanup_strv_free_ char **strv = NULL;
         int r;
 
+        assert(u);
+
+        SET_FOREACH(t, u->names, i) {
+                char **p;
+
+                STRV_FOREACH(p, u->manager->lookup_paths.unit_path) {
+                        /* This loads the drop-in config snippets */
+                        r = process_dir(u, *p, t, ".d", _UNIT_DEPENDENCY_INVALID, &strv);
+                        if (r < 0)
+                                return NULL;
+                }
+        }
+
+        if (strv_isempty(strv))
+                return NULL;
+
+        r = conf_files_list_strv(&configs, ".conf", NULL, (const char**) strv);
+        if (r < 0) {
+                log_error("Failed to get list of configuration files: %s", strerror(-r));
+                strv_free(configs);
+                return NULL;
+        }
+
+        return configs;
+}
+
+int unit_load_dropin(Unit *u) {
+        Iterator i;
+        char *t, **f;
+        int r;
 
         assert(u);
 
@@ -159,30 +203,22 @@ int unit_load_dropin(Unit *u) {
                         r = process_dir(u, *p, t, ".requires", UNIT_REQUIRES, NULL);
                         if (r < 0)
                                 return r;
-
-                        /* This loads the drop-in config snippets */
-                        r = process_dir(u, *p, t, ".d", _UNIT_DEPENDENCY_INVALID, &strv);
-                        if (r < 0)
-                                return r;
                 }
         }
 
-        if (!strv_isempty(strv)) {
-                _cleanup_strv_free_ char **files = NULL;
-                char **f;
+        u->dropin_paths = unit_find_dropin_paths(u);
+        if (! u->dropin_paths)
+                return 0;
 
-                r = conf_files_list_strv(&files, ".conf", NULL, (const char**) strv);
-                if (r < 0) {
-                        log_error("Failed to get list of configuration files: %s", strerror(-r));
+        STRV_FOREACH(f, u->dropin_paths) {
+                r = config_parse(u->id, *f, NULL,
+                                 UNIT_VTABLE(u)->sections, config_item_perf_lookup,
+                                 (void*) load_fragment_gperf_lookup, false, false, u);
+                if (r < 0)
                         return r;
-                }
-
-                STRV_FOREACH(f, files) {
-                        r = config_parse(*f, NULL, UNIT_VTABLE(u)->sections, config_item_perf_lookup, (void*) load_fragment_gperf_lookup, false, u);
-                        if (r < 0)
-                                return r;
-                }
         }
 
+        u->dropin_mtime = now(CLOCK_REALTIME);
+
         return 0;
 }