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Permit downloading files larger than 65 Megabytes via UDP by working around short int wraparound.

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This commit is contained in:
Thilo Schulz 2011-07-12 00:34:25 +00:00
parent 7c5ec6aac4
commit 1d880da777
1 changed files with 5 additions and 4 deletions
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9
code/client/cl_parse.c
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@ -560,7 +560,7 @@ A download message has been received from the server
void CL_ParseDownload ( msg_t *msg ) { void CL_ParseDownload ( msg_t *msg ) {
int size; int size;
unsigned char data[MAX_MSGLEN]; unsigned char data[MAX_MSGLEN];
int block; uint16_t block;
if (!*clc.downloadTempName) { if (!*clc.downloadTempName) {
Com_Printf("Server sending download, but no download was requested\n"); Com_Printf("Server sending download, but no download was requested\n");
@ -571,7 +571,7 @@ void CL_ParseDownload ( msg_t *msg ) {
// read the data // read the data
block = MSG_ReadShort ( msg ); block = MSG_ReadShort ( msg );
if ( !block ) if(!block && !clc.downloadBlock)
{ {
// block zero is special, contains file size // block zero is special, contains file size
clc.downloadSize = MSG_ReadLong ( msg ); clc.downloadSize = MSG_ReadLong ( msg );
@ -594,8 +594,9 @@ void CL_ParseDownload ( msg_t *msg ) {
MSG_ReadData(msg, data, size); MSG_ReadData(msg, data, size);
if (clc.downloadBlock != block) { if((clc.downloadBlock & 0xFFFF) != block)
Com_DPrintf( "CL_ParseDownload: Expected block %d, got %d\n", clc.downloadBlock, block); {
Com_DPrintf( "CL_ParseDownload: Expected block %d, got %d\n", (clc.downloadBlock & 0xFFFF), block);
return; return;
} }