From: Stefan Eissing <stefan@eissing.org>
Date: Thu, 25 Jan 2024 14:14:23 +0000 (+0100)
Subject: http, use stack scratch buffer
X-Git-Tag: curl-8_6_0~32
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a069c6aeb2791328d45d50aac4c434b973c264b2;p=thirdparty%2Fcurl.git

http, use stack scratch buffer

- instead of data->state.buffer

Closes #12791
---

diff --git a/lib/http.c b/lib/http.c
index 6c7ee56b24..0c2a460903 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -2940,13 +2940,14 @@ CURLcode Curl_http_resume(struct Curl_easy *data,
         }
         /* when seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
         do {
+          char scratch[4*1024];
           size_t readthisamountnow =
-            (data->state.resume_from - passed > data->set.buffer_size) ?
-            (size_t)data->set.buffer_size :
+            (data->state.resume_from - passed > (curl_off_t)sizeof(scratch)) ?
+            sizeof(scratch) :
             curlx_sotouz(data->state.resume_from - passed);
 
           size_t actuallyread =
-            data->state.fread_func(data->state.buffer, 1, readthisamountnow,
+            data->state.fread_func(scratch, 1, readthisamountnow,
                                    data->state.in);
 
           passed += actuallyread;