1 files changed, 5 insertions, 5 deletions
diff --git a/lib/krb4.c b/lib/krb4.c
index 7b04828ab..e5ecabffa 100644
--- a/lib/krb4.c
+++ b/lib/krb4.c
@@ -200,7 +200,7 @@ krb4_auth(void *app_data, struct connectdata *conn)
   int ret;
   char *p;
   unsigned char *ptr;
-  int len;
+  size_t len;
   KTEXT_ST adat;
   MSG_DAT msg_data;
   int checksum;
@@ -324,7 +324,7 @@ CURLcode Curl_krb_kauth(struct connectdata *conn)
   char *name;
   char *p;
   char passwd[100];
-  int tmp;
+  size_t tmp;
   ssize_t nread;
   int save;
   CURLcode result;
@@ -355,11 +355,11 @@ CURLcode Curl_krb_kauth(struct connectdata *conn)
 
   p += 2;
   tmp = Curl_base64_decode(p, &ptr);
-  if(len > sizeof(tkt.dat)-1) {
+  if(tmp >= sizeof(tkt.dat)) {
     free(ptr);
-    len=0;
+    tmp=0;
   }
-  if(!len || !ptr) {
+  if(!tmp || !ptr) {
     Curl_failf(conn->data, "Failed to decode base64 in reply.\n");
     Curl_set_command_prot(conn, save);
     return CURLE_FTP_WEIRD_SERVER_REPLY;