Fix BufferSize in g_read for Windows (#1722)

This commit is contained in:
Andrei Vinca 2024-04-15 03:52:49 +03:00 committed by George Sokianos
parent eee6bc24d0
commit a2b340efbe
1 changed files with 1 additions and 1 deletions

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@ -851,7 +851,7 @@ static int g_read(lua_State* L, int stream, unsigned long read_size) {
return luaL_error(L, "error: redirect to handles, FILE* and paths are not supported");
#if _WIN32
int writable_stream_idx = stream - 1;
if (self->reading[writable_stream_idx] || !ReadFile(self->child_pipes[stream][0], self->buffer[writable_stream_idx], READ_BUF_SIZE, NULL, &self->overlapped[writable_stream_idx])) {
if (self->reading[writable_stream_idx] || !ReadFile(self->child_pipes[stream][0], self->buffer[writable_stream_idx], read_size > READ_BUF_SIZE ? READ_BUF_SIZE : read_size, NULL, &self->overlapped[writable_stream_idx])) {
if (self->reading[writable_stream_idx] || GetLastError() == ERROR_IO_PENDING) {
self->reading[writable_stream_idx] = true;
DWORD bytesTransferred = 0;