X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fodr_util.c;fp=src%2Fodr_util.c;h=58b60cb0527a57bbd2ca52b2762347afd3df59f1;hb=82fade1c1b7531cda93c908e33d9af8b9fd91a6f;hp=17d1582bc7676e59e5b1bc7a2c548a747bbfc42f;hpb=36d8976c55a2681d0057a0c200356a283e897b91;p=yaz-moved-to-github.git

diff --git a/src/odr_util.c b/src/odr_util.c
index 17d1582..58b60cb 100644
--- a/src/odr_util.c
+++ b/src/odr_util.c
@@ -107,9 +107,9 @@ char *odr_prepend(ODR o, const char *prefix, const char *old)
     char *res = (char*) odr_malloc (o, olen + plen + 2);
 
     *res = '\0';
-    if (prefix != 0)
+    if (plen > 0)
         strcpy (res, prefix);
-    if (prefix != 0 && old != 0)
+    if (plen > 0 && old != 0)
         strcat (res, "/");
     if (old !=0)
         strcat (res, old);