commit a81394a7f726210bfe52c33778710d09d1273b5e
from: Stefan Sperling <stsp@stsp.name>
date: Thu Feb 13 20:42:44 2020 UTC

eliminate unnecessary strdup() via an intermediate variable in gw_get_commit()

commit - 53e81e487b1258083f28cdc605a4685043a6185d
commit + a81394a7f726210bfe52c33778710d09d1273b5e
blob - a809bdcaa28d5b074ac172ff710942051f19c582
blob + 3cd7a419d6fa87f132d95975582a660af2bf8c91
--- gotweb/gotweb.c
+++ gotweb/gotweb.c
@@ -3051,7 +3051,7 @@ gw_get_commit(struct gw_trans *gw_trans, struct gw_hea
 	struct got_reflist_entry *re;
 	struct got_object_id *id2 = NULL;
 	struct got_object_qid *parent_id;
-	char *refs_str = NULL, *commit_msg = NULL, *commit_msg0;
+	char *commit_msg = NULL, *commit_msg0;
 
 	/*print commit*/
 	SIMPLEQ_FOREACH(re, &header->refs, entry) {
@@ -3091,23 +3091,17 @@ gw_get_commit(struct gw_trans *gw_trans, struct gw_hea
 			got_object_tag_close(tag);
 		if (cmp != 0)
 			continue;
-		s = refs_str;
-		if (asprintf(&refs_str, "%s%s%s", s ? s : "",
+		s = header->refs_str;
+		if (asprintf(&header->refs_str, "%s%s%s", s ? s : "",
 		    s ? ", " : "", name) == -1) {
 			error = got_error_from_errno("asprintf");
 			free(s);
+			header->refs_str = NULL;
 			return error;
 		}
 		free(s);
-		header->refs_str = strdup(refs_str);
-		if (header->refs_str == NULL) {
-			error = got_error_from_errno("strdup");
-			return error;
-		}
 	}
 
-	free(refs_str);
-
 	error = got_object_id_str(&header->commit_id, header->id);
 	if (error)
 		return error;