engine: server: move pfnWriteString character replacement hack to the ALLOC_STRING, the same way as GoldSrc does

This commit is contained in:
Alibek Omarov 2023-05-29 14:40:54 +03:00
parent d994c6df9a
commit f49a2bc8f3
1 changed files with 69 additions and 7 deletions

View File

@ -3156,6 +3156,60 @@ void SV_FreeStringPool( void )
#endif
}
/*
============
SV_ProcessString
Process newly allocated string
pass NULL pointer to dst to get required length incl. null terminator
============
*/
static uint SV_ProcessString( char *dst, const char *src )
{
const char *p;
uint i = 0;
p = src;
while( *p )
{
if( *p == '\\' )
{
char replace = 0;
switch( p[1] )
{
case 'n': replace = '\n'; break;
// GoldSrc doesn't replace these symbols
// but old hack in pfnWriteString did
case 'r': replace = '\r'; break;
case 't': replace = '\t'; break;
}
if( replace )
{
if( dst )
dst[i] = replace;
i++;
p += 2;
continue;
}
}
if( dst )
dst[i] = *p;
i++;
p++;
}
// null terminator
if( dst )
dst[i] = '\0';
i++;
return i;
}
/*
=============
SV_AllocString
@ -3168,7 +3222,8 @@ use -str64dup to disable deduplication, -str64alloc to set array size
*/
string_t GAME_EXPORT SV_AllocString( const char *szValue )
{
const char *newString = NULL;
char *newString = NULL;
uint len;
int cmp;
if( svgame.physFuncs.pfnAllocString != NULL )
@ -3178,15 +3233,17 @@ string_t GAME_EXPORT SV_AllocString( const char *szValue )
cmp = 1;
if( !str64.allowdup )
{
for( newString = str64.poldstringbase + 1;
newString < str64.plast && ( cmp = Q_strcmp( newString, szValue ) );
newString += Q_strlen( newString ) + 1 );
}
if( cmp )
{
uint len = Q_strlen( szValue );
uint len = SV_ProcessString( NULL, szValue );
if( str64.plast - str64.poldstringbase + len + 2 > str64.maxstringarray )
if( str64.plast - str64.poldstringbase + len + 1 > str64.maxstringarray )
{
str64.plast = str64.pstringbase + 1;
str64.poldstringbase = str64.pstringbase;
@ -3194,22 +3251,27 @@ string_t GAME_EXPORT SV_AllocString( const char *szValue )
}
//MsgDev( D_NOTE, "SV_AllocString: %ld %s\n", str64.plast - svgame.globals->pStringBase, szValue );
memcpy( str64.plast, szValue, len + 1 );
str64.totalalloc += len + 1;
SV_ProcessString( str64.plast, szValue );
str64.totalalloc += len;
newString = str64.plast;
str64.plast += len + 1;
str64.plast += len;
}
else
{
str64.numdups++;
//MsgDev( D_NOTE, "SV_AllocString: dup %ld %s\n", newString - svgame.globals->pStringBase, szValue );
}
if( newString - str64.pstringarray > str64.maxalloc )
str64.maxalloc = newString - str64.pstringarray;
return newString - svgame.globals->pStringBase;
#else
newString = _copystring( svgame.stringspool, szValue, __FILE__, __LINE__ );
len = SV_ProcessString( NULL, szValue );
newString = Mem_Malloc( svgame.stringspool, len );
SV_ProcessString( newString, szValue );
return newString - svgame.globals->pStringBase;
#endif
}