Read callback should return 0 when no more data left

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/libtest/lib508.c b/tests/libtest/lib508.c
index cc240db5c..ecbc41912 100644
--- a/tests/libtest/lib508.c
+++ b/tests/libtest/lib508.c
@@ -31,7 +31,7 @@ static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
     return 1;                        /* we return 1 byte at a time! */
   }
 
-  return -1;                         /* no more data left to deliver */
+  return 0;                         /* no more data left to deliver */
 }
 
 int test(char *URL)