strbuf_setlen(): do not barf on setting length of an empty buffer to 0

diff --git a/builtin-fetch--tool.c b/builtin-fetch--tool.c
index 90bdc32d13babeec7693cc27b48d5b1faf4b8dca..349b59c25865fb8ea3946c4176cc2aa08869af1e 100644 (file)
--- a/builtin-fetch--tool.c
+++ b/builtin-fetch--tool.c
@@ -2,7 +2,6 @@
 #include "cache.h"
 #include "refs.h"
 #include "commit.h"
-#include "strbuf.h"
 
 static char *get_stdin(void)
 {
@@ -223,19 +222,15 @@ static char *find_local_name(const char *remote_name, const char *refs,
                }
                if (!strncmp(remote_name, ref, len) && ref[len] == ':') {
                        const char *local_part = ref + len + 1;
-                       char *ret;
                        int retlen;
 
                        if (!next)
                                retlen = strlen(local_part);
                        else
                                retlen = next - local_part;
-                       ret = xmalloc(retlen + 1);
-                       memcpy(ret, local_part, retlen);
-                       ret[retlen] = 0;
                        *force_p = single_force;
                        *not_for_merge_p = not_for_merge;
-                       return ret;
+                       return xmemdupz(local_part, retlen);
                }
                ref = next;
        }