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urlmon: Correctly handle empty files.

This commit is contained in:
Jacek Caban 2011-06-09 14:03:13 +02:00 committed by Alexandre Julliard
parent 89472db9e3
commit 66917c61d6
1 changed files with 14 additions and 1 deletions
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15
dlls/urlmon/protocol.c
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@ -286,6 +286,7 @@ HRESULT protocol_start(Protocol *protocol, IInternetProtocol *prot, IUri *uri,
HRESULT protocol_continue(Protocol *protocol, PROTOCOLDATA *data)
{
BOOL is_start;
HRESULT hres;
if (!data) {
@ -293,6 +294,8 @@ HRESULT protocol_continue(Protocol *protocol, PROTOCOLDATA *data)
return S_OK;
}
is_start = data->pData == (LPVOID)BINDSTATUS_DOWNLOADINGDATA;
if(!protocol->request) {
WARN("Expected request to be non-NULL\n");
return S_OK;
@ -312,7 +315,7 @@ HRESULT protocol_continue(Protocol *protocol, PROTOCOLDATA *data)
if(protocol->post_stream)
return write_post_stream(protocol);
if(data->pData == (LPVOID)BINDSTATUS_DOWNLOADINGDATA) {
if(is_start) {
hres = protocol->vtbl->start_downloading(protocol);
if(FAILED(hres)) {
protocol_close_connection(protocol);
@ -344,6 +347,16 @@ HRESULT protocol_continue(Protocol *protocol, PROTOCOLDATA *data)
protocol->flags &= ~FLAG_REQUEST_COMPLETE;
res = InternetQueryDataAvailable(protocol->request, &protocol->available_bytes, 0, 0);
if(res) {
if(!protocol->available_bytes) {
if(is_start) {
TRACE("empty file\n");
all_data_read(protocol);
}else {
WARN("unexpected end of file?\n");
report_result(protocol, INET_E_DOWNLOAD_FAILURE);
}
return S_OK;
}
protocol->flags |= FLAG_REQUEST_COMPLETE;
report_data(protocol);
}else if(GetLastError() != ERROR_IO_PENDING) {