doc: disable "make check" for gtk-doc

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

diff --git a/src/shared/util.c b/src/shared/util.c
index 49b58444c7213da9a96f7cbe9afffb3410babeeb..a87828d4513fae6c6b9fc0778e84cc5f07fe0a23 100644 (file)
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -4444,6 +4444,23 @@ int get_user_creds(
         return 0;
 }
 
+char* uid_to_name(uid_t uid) {
+        struct passwd *p;
+        char *r;
+
+        if (uid == 0)
+                return strdup("root");
+
+        p = getpwuid(uid);
+        if (p)
+                return strdup(p->pw_name);
+
+        if (asprintf(&r, "%lu", (unsigned long) uid) < 0)
+                return NULL;
+
+        return r;
+}
+
 int get_group_creds(const char **groupname, gid_t *gid) {
         struct group *g;
         gid_t id;