X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Futil.c;fp=src%2Fshared%2Futil.c;h=b885a46e439fb3a5a197007b4ff90690fa0c074e;hp=275fdece1e70de1d9534179a925d191f8fa1ae5c;hb=249a98a8ff9f9a3da30e977d347c14487088f738;hpb=eba20c2f8afe24a8bab713946a248b45dd2a80f1

diff --git a/src/shared/util.c b/src/shared/util.c
index 275fdece1..b885a46e4 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -5683,6 +5683,9 @@ int free_and_strdup(char **p, const char *s) {
         /* Replaces a string pointer with an strdup()ed new string,
          * possibly freeing the old one. */
 
+        if (streq_ptr(*p, s))
+                return 0;
+
         if (s) {
                 t = strdup(s);
                 if (!t)
@@ -5693,7 +5696,7 @@ int free_and_strdup(char **p, const char *s) {
         free(*p);
         *p = t;
 
-        return 0;
+        return 1;
 }
 
 int sethostname_idempotent(const char *s) {