Source release of Wolfenstein 3D Classic Platinum for iOS, 1.0

wolf3d/newCode/env/share.c

@@ -0,0 +1,189 @@
+/*
+
+	Copyright (C) 1997-2001 Id Software, Inc.
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation; either version 2
+	of the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "../wolfiphone.h"
+
+
+char	com_token[128];
+
+
+
+
+/*
+============================================================================
+
+					BYTE ORDER FUNCTIONS
+
+============================================================================
+*/
+
+
+
+/*
+-----------------------------------------------------------------------------
+ Function: va() -Does a varargs printf into a temp buffer, so I don't need to
+				have varargs versions of all text functions. 
+ 
+ Parameters: format -[in] Format-control string.
+			 ... -[in] Optional arguments.
+ 
+ Returns: Formatted string.
+ 
+ Notes: 
+	If format string is longer than 1024 it will be truncated.
+-----------------------------------------------------------------------------
+*/
+PUBLIC char *va( char *format, ... )
+{
+	va_list	argptr;
+	static char	string[ 1024 ];
+	
+	va_start( argptr, format );
+	(void)vsnprintf( string, sizeof( string ), format, argptr );
+	va_end( argptr );
+
+	string[ sizeof( string ) - 1 ] = '\0';
+
+	return string;	
+}
+
+
+/*
+-----------------------------------------------------------------------------
+ Function: COM_Parse() -Parse a token out of a string. 
+ 
+ Parameters: data_p -[in] String to parse. 
+ 
+ Returns: On success it will return the token string, otherwise it will
+			return "".
+ 
+ Notes: 
+
+-----------------------------------------------------------------------------
+*/
+PUBLIC char *COM_Parse( char **data_p )
+{
+	int		c;
+	int		len;
+	char	*data;
+
+	data = *data_p;
+	len = 0;
+	com_token[ 0 ] = 0;
+	
+	if( ! data )
+	{
+		*data_p = NULL;
+		return "";
+	}
+		
+// skip whitespace
+skipwhite:
+	while( (c = *data) <= ' ')
+	{
+		if( c == 0 )
+		{
+			*data_p = NULL;
+			return "";
+		}
+		data++;
+	}
+	
+// skip // comments
+	if( c == '/' && data[ 1 ] == '/' )
+	{
+		while( *data && *data != '\n' )
+		{
+			data++;
+		}
+		goto skipwhite;
+	}
+
+// handle quoted strings specially
+	if( c == '\"' )
+	{
+		data++;
+		while( 1 )
+		{
+			c = *data++;
+			if( c == '\"' || ! c )
+			{
+				com_token[ len ] = 0;
+				*data_p = data;
+				return com_token;
+			}
+			if( len < MAX_TOKEN_CHARS )
+			{
+				com_token[ len ] = c;
+				len++;
+			}
+		}
+	}
+
+// parse a regular word
+	do
+	{
+		if( len < MAX_TOKEN_CHARS )
+		{
+			com_token[ len ] = c;
+			len++;
+		}
+		data++;
+		c = *data;
+
+	} while( c > 32 );
+
+	if( len == MAX_TOKEN_CHARS )
+	{
+//		Com_Printf ("Token exceeded %i chars, discarded.\n", MAX_TOKEN_CHARS);
+		len = 0;
+	}
+	com_token[ len ] = 0;
+
+	*data_p = data;
+
+	return com_token;
+}
+
+
+/*
+-----------------------------------------------------------------------------
+ Function: Com_PageInMemory() 
+ 
+ Parameters:
+ 
+ Returns: 
+ 
+ Notes: 
+
+-----------------------------------------------------------------------------
+*/
+int	paged_total;
+
+PUBLIC void Com_PageInMemory( PW8 buffer, int size )
+{
+	int		i;
+
+	for( i = size - 1 ; i > 0 ; i -= 4096 )
+	{
+		paged_total += buffer[ i ];
+	}
+}
+