cgroup: treat non-existing cgroups like empty ones, to deal with races

[elogind.git] / src / strv.c

diff --git a/src/strv.c b/src/strv.c
index 01464e1e330816bfd0f4fae3af4ae3085b5ac0b6..9dbab2937cd3c39c525d042c5056bc237a6a9913 100644 (file)
--- a/src/strv.c
+++ b/src/strv.c
@@ -264,7 +264,7 @@ char **strv_split_quoted(const char *s) {
 
         i = 0;
         FOREACH_WORD_QUOTED(w, l, s, state)
-                if (!(r[i++] = strndup(w, l))) {
+                if (!(r[i++] = cunescape_length(w, l))) {
                         strv_free(r);
                         return NULL;
                 }
@@ -539,3 +539,20 @@ fail:
         return NULL;
 
 }
+
+char *strv_env_get_with_length(char **l, const char *name, size_t k) {
+        char **i;
+
+        assert(name);
+
+        STRV_FOREACH(i, l)
+                if (strncmp(*i, name, k) == 0 &&
+                    (*i)[k] == '=')
+                        return *i + k + 1;
+
+        return NULL;
+}
+
+char *strv_env_get(char **l, const char *name) {
+        return strv_env_get_with_length(l, name, strlen(name));
+}