X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=a87828d4513fae6c6b9fc0778e84cc5f07fe0a23;hb=9795da43c4b70fea1eef798d4aeb0467d6fb5f68;hp=49b58444c7213da9a96f7cbe9afffb3410babeeb;hpb=660ddc72f65474b4a16bd8a15d8f5cd1860b401b;p=elogind.git

diff --git a/src/shared/util.c b/src/shared/util.c
index 49b58444c..a87828d45 100644
--- 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;