[PATCH 0/1] MR10665: winhttp: Read as much data as possible in WinHttpReadData().

[Hans Leidekker (＠hans)]

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10665

[PATCH 1/1] winhttp: Read as much data as possible in WinHttpReadData().

[Hans Leidekker]

From: Hans Leidekker <[e-mail]>

---
 dlls/winhttp/request.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/dlls/winhttp/request.c b/dlls/winhttp/request.c
index 947ef839da6..9a8546c2e6d 100644
--- a/dlls/winhttp/request.c
+++ b/dlls/winhttp/request.c
@@ -3475,11 +3475,16 @@ BOOL WINAPI WinHttpQueryDataAvailable( HINTERNET hrequest, LPDWORD available )
     return !ret || ret == ERROR_IO_PENDING;
 }
 
-static DWORD read_data( struct request *request, void *buffer, DWORD size, DWORD *read, BOOL async )
+static DWORD read_data( struct request *request, char *buffer, DWORD size, DWORD *read, BOOL async )
 {
-    DWORD bytes_read = 0, ret;
+    DWORD bytes_read = 0, count, ret = ERROR_SUCCESS;
 
-    ret = read_data_stream( request, buffer, size, &bytes_read );
+    while (size)
+    {
+        if ((ret = read_data_stream( request, buffer + bytes_read, size, &count )) || !count) break;
+        bytes_read += count;
+        size -= count;
+    }
 
     TRACE( "%lu bytes read\n", bytes_read );
     if (end_of_data_stream( request )) finished_reading( request );
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/10665