Revert "systemctl: fix broken list-unit-files with --root"

[elogind.git] / src / shared / install.c

diff --git a/src/shared/install.c b/src/shared/install.c
index cc61c01e20d05ad2587606a3fa725f6e45de4037..4b09a69456fd71fab4bf9c7bb113607d3747c9e2 100644 (file)
--- a/src/shared/install.c
+++ b/src/shared/install.c
@@ -45,8 +45,6 @@ typedef struct {
         Hashmap *have_installed;
 } InstallContext;
 
-#define _cleanup_install_context_done_ _cleanup_(install_context_done)
-
 static int in_search_path(const char *path, char **search) {
         _cleanup_free_ char *parent = NULL;
         int r;
@@ -946,20 +944,19 @@ static int config_parse_also(
                 void *data,
                 void *userdata) {
 
-        char *w;
         size_t l;
-        char *state;
+        const char *word, *state;
         InstallContext *c = data;
 
         assert(filename);
         assert(lvalue);
         assert(rvalue);
 
-        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(word, l, rvalue, state) {
                 _cleanup_free_ char *n;
                 int r;
 
-                n = strndup(w, l);
+                n = strndup(word, l);
                 if (!n)
                         return -ENOMEM;
 
@@ -967,6 +964,9 @@ static int config_parse_also(
                 if (r < 0)
                         return r;
         }
+        if (!isempty(state))
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "Trailing garbage, ignoring.");
 
         return 0;
 }
@@ -1059,7 +1059,7 @@ static int unit_file_load(
         assert(path);
 
         if (!isempty(root_dir))
-                path = strappenda3(root_dir, "/", path);
+                path = strappenda(root_dir, "/", path);
 
         fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|(allow_symlink ? 0 : O_NOFOLLOW));
         if (fd < 0)
@@ -1159,7 +1159,7 @@ static int unit_file_can_install(
                 const char *name,
                 bool allow_symlink) {
 
-        _cleanup_install_context_done_ InstallContext c = {};
+        _cleanup_(install_context_done) InstallContext c = {};
         InstallInfo *i;
         int r;
 
@@ -1496,7 +1496,7 @@ int unit_file_enable(
                 unsigned *n_changes) {
 
         _cleanup_lookup_paths_free_ LookupPaths paths = {};
-        _cleanup_install_context_done_ InstallContext c = {};
+        _cleanup_(install_context_done) InstallContext c = {};
         char **i;
         _cleanup_free_ char *config_path = NULL;
         int r;
@@ -1535,7 +1535,7 @@ int unit_file_disable(
                 unsigned *n_changes) {
 
         _cleanup_lookup_paths_free_ LookupPaths paths = {};
-        _cleanup_install_context_done_ InstallContext c = {};
+        _cleanup_(install_context_done) InstallContext c = {};
         char **i;
         _cleanup_free_ char *config_path = NULL;
         _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
@@ -1595,7 +1595,7 @@ int unit_file_set_default(
                 unsigned *n_changes) {
 
         _cleanup_lookup_paths_free_ LookupPaths paths = {};
-        _cleanup_install_context_done_ InstallContext c = {};
+        _cleanup_(install_context_done) InstallContext c = {};
         _cleanup_free_ char *config_path = NULL;
         char *path;
         int r;
@@ -1857,7 +1857,7 @@ int unit_file_preset(
                 UnitFileChange **changes,
                 unsigned *n_changes) {
 
-        _cleanup_install_context_done_ InstallContext plus = {}, minus = {};
+        _cleanup_(install_context_done) InstallContext plus = {}, minus = {};
         _cleanup_lookup_paths_free_ LookupPaths paths = {};
         _cleanup_free_ char *config_path = NULL;
         char **i;
@@ -1925,7 +1925,7 @@ int unit_file_preset_all(
                 UnitFileChange **changes,
                 unsigned *n_changes) {
 
-        _cleanup_install_context_done_ InstallContext plus = {}, minus = {};
+        _cleanup_(install_context_done) InstallContext plus = {}, minus = {};
         _cleanup_lookup_paths_free_ LookupPaths paths = {};
         _cleanup_free_ char *config_path = NULL;
         char **i;
@@ -2017,14 +2017,15 @@ int unit_file_preset_all(
         return r;
 }
 
-static void unitfilelist_free(UnitFileList **f) {
-        if (!*f)
+static void unit_file_list_free_one(UnitFileList *f) {
+        if (!f)
                 return;
 
-        free((*f)->path);
-        free(*f);
+        free(f->path);
+        free(f);
 }
-#define _cleanup_unitfilelist_free_ _cleanup_(unitfilelist_free)
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(UnitFileList*, unit_file_list_free_one);
 
 int unit_file_get_list(
                 UnitFileScope scope,
@@ -2042,6 +2043,12 @@ int unit_file_get_list(
         if (root_dir && scope != UNIT_FILE_SYSTEM)
                 return -EINVAL;
 
+        if (root_dir) {
+                r = access(root_dir, F_OK);
+                if (r < 0)
+                        return -errno;
+        }
+
         r = lookup_paths_init_from_scope(&paths, scope, root_dir);
         if (r < 0)
                 return r;
@@ -2063,7 +2070,7 @@ int unit_file_get_list(
                 }
 
                 for (;;) {
-                        _cleanup_unitfilelist_free_ UnitFileList *f = NULL;
+                        _cleanup_(unit_file_list_free_onep) UnitFileList *f = NULL;
                         struct dirent *de;
 
                         errno = 0;