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engine: server: greatly simplify pfnWriteString implementation, it shouldn't modify input string

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This commit is contained in:
Alibek Omarov 2023-05-27 20:02:09 +03:00
parent 9cd9744407
commit 5627dbbf34
1 changed files with 3 additions and 52 deletions
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55
engine/server/sv_game.c
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@ -2838,60 +2838,11 @@ pfnWriteString
*/ */
void GAME_EXPORT pfnWriteString( const char *src ) void GAME_EXPORT pfnWriteString( const char *src )
{ {
static char string[MAX_USERMSG_LENGTH]; MSG_WriteString( &sv.multicast, src );
int len = Q_strlen( src ) + 1; if( svgame.msg_trace ) Con_Printf( "\t^3%s( %s )\n", __FUNCTION__, src );
int rem = sizeof( string ) - 1;
char *dst;
if( len == 1 )
{
MSG_WriteChar( &sv.multicast, 0 );
svgame.msg_realsize += 1;
return; // fast exit
}
// prepare string to sending
dst = string;
while( 1 )
{
// some escaped chars parsed as two symbols - merge it here
if( src[0] == '\\' && src[1] == 'n' )
{
*dst++ = '\n';
src += 2;
len -= 1;
}
else if( src[0] == '\\' && src[1] == 'r' )
{
*dst++ = '\r';
src += 2;
len -= 1;
}
else if( src[0] == '\\' && src[1] == 't' )
{
*dst++ = '\t';
src += 2;
len -= 1;
}
else if(( *dst++ = *src++ ) == 0 )
break;
if( --rem <= 0 )
{
Con_Printf( S_ERROR "pfnWriteString: exceeds %i symbols\n", len );
*dst = '\0'; // string end (not included in count)
len = Q_strlen( string ) + 1;
break;
}
}
*dst = '\0'; // string end (not included in count)
MSG_WriteString( &sv.multicast, string );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %s )\n", __FUNCTION__, string );
// NOTE: some messages with constant string length can be marked as known sized // NOTE: some messages with constant string length can be marked as known sized
svgame.msg_realsize += len; svgame.msg_realsize += Q_strlen( src ) + 1;
} }
/* /*