ftp: fix Codacy/cppcheck warning about null pointer arithmetic

Increment `bytes` only if it is non-null. Closes #6576
curl · Feb 10, 2021 · a3f93a6 · a3f93a6
1 parent ec5d9b4
commit a3f93a6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/ftp.c b/lib/ftp.c
@@ -2482,7 +2482,8 @@ static CURLcode ftp_state_get_resp(struct Curl_easy *data,
           bytes--;
         }
         /* if we have nothing but digits: */
-        if(bytes++) {
+        if(bytes) {
+          ++bytes;
           /* get the number! */
           (void)curlx_strtoofft(bytes, NULL, 0, &size);
         }