Zebediah Figura : winhttp: Don't make a copy of the string in add_request_headers().
Alexandre Julliard
julliard at winehq.org
Wed Aug 10 14:53:21 CDT 2022
Module: wine
Branch: master
Commit: 7cd30faabee03ffc982b6e1ff2c0be9aa75c2418
URL: https://gitlab.winehq.org/wine/wine/-/commit/7cd30faabee03ffc982b6e1ff2c0be9aa75c2418
Author: Zebediah Figura <zfigura at codeweavers.com>
Date: Tue Aug 9 18:23:56 2022 -0500
winhttp: Don't make a copy of the string in add_request_headers().
---
dlls/winhttp/request.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/dlls/winhttp/request.c b/dlls/winhttp/request.c
index e846676041e..9f769f3dc35 100644
--- a/dlls/winhttp/request.c
+++ b/dlls/winhttp/request.c
@@ -455,23 +455,20 @@ DWORD process_header( struct request *request, const WCHAR *field, const WCHAR *
DWORD add_request_headers( struct request *request, const WCHAR *headers, DWORD len, DWORD flags )
{
DWORD ret = ERROR_WINHTTP_INVALID_HEADER;
- WCHAR *buffer, *p, *q;
struct header *header;
+ const WCHAR *p, *q;
if (len == ~0u) len = lstrlenW( headers );
if (!len) return ERROR_SUCCESS;
- if (!(buffer = malloc( (len + 1) * sizeof(WCHAR) ))) return ERROR_OUTOFMEMORY;
- memcpy( buffer, headers, len * sizeof(WCHAR) );
- buffer[len] = 0;
- p = buffer;
+ p = headers;
do
{
const WCHAR *end;
- if (!*p) break;
+ if (p >= headers + len) break;
- for (q = p; *q && *q != '\r' && *q != '\n'; ++q)
+ for (q = p; q < headers + len && *q != '\r' && *q != '\n'; ++q)
;
end = q;
while (*q == '\r' || *q == '\n')
@@ -485,7 +482,6 @@ DWORD add_request_headers( struct request *request, const WCHAR *headers, DWORD
p = q;
} while (!ret);
- free( buffer );
return ret;
}
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