make sure we free rangeline before we re-assign it to a new allocated

memory as otherwise we (might) leak memory

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/http.c b/lib/http.c
index 855d74733..6bba43dda 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -669,6 +669,9 @@ CURLcode Curl_http(struct connectdata *conn)
      */
     if((data->set.httpreq == HTTPREQ_GET) &&
        !checkheaders(data, "Range:")) {
+      /* if a line like this was already allocated, free the previous one */
+      if(conn->allocptr.rangeline)
+        free(conn->allocptr.rangeline);
       conn->allocptr.rangeline = aprintf("Range: bytes=%s\r\n", conn->range);
     }
     else if((data->set.httpreq != HTTPREQ_GET) &&