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

wolf3d/newCode/env/filestring.c

@@ -0,0 +1,161 @@
+/*
+
+	Copyright (C) 2004-2005 Michael Liebscher <johnnycanuck@users.sourceforge.net>
+	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.
+
+*/
+
+/*
+ *	filestring.c:   Portable file path/name manipulation methods.
+ *	
+ *	Author:	Michael Liebscher	<johnnycanuck@users.sourceforge.net>	    
+ *
+ *	Acknowledgement:
+ *	This code was derived from Quake II, and was originally
+ *	written by Id Software, Inc.
+ *
+ */
+
+#include "../wolfiphone.h"
+
+
+/*
+-----------------------------------------------------------------------------
+ Function: FS_CreatePath -Creates given path.
+ 
+ Parameters: path -[in] Pointer to NULL terminated string that contains directory 
+				   path.		 
+ 
+ Returns: Nothing.
+ 
+ Notes: Creates any directories needed to store the given filename.
+
+-----------------------------------------------------------------------------
+*/
+PUBLIC void FS_CreatePath( char *path )
+{
+	char	*ofs;
+	
+	for( ofs = path + 1; *ofs; ofs++ )
+	{
+		if( *ofs == '/' )
+		{	// create the directory
+			*ofs = '\0';
+			FS_CreateDirectory( path );
+			*ofs = '/';
+		}
+	}
+
+}
+
+PUBLIC void FS_FilePath( char *in, char *out )
+{
+	char *s;
+	
+	s = in + strlen( in ) - 1;
+	
+	while( s != in && *s != '/' )
+	{
+		s--;
+	}
+
+	strncpy( out, in, s-in );
+	out[ s - in ] = '\0'; // NUL-terminate string.
+}
+
+PUBLIC char *FS_SkipPath( char *pathname )
+{
+	char	*last;
+	
+	last = pathname;
+	while( *pathname )
+	{
+		if( *pathname == '/' )
+		{
+			last = pathname + 1;
+		}
+		pathname++;
+	}
+
+	return last;
+}
+
+PUBLIC void FS_StripExtension( char *in, char *out )
+{
+	while( *in && *in != '.' )
+	{
+		*out++ = *in++;
+	}
+
+	*out = '\0'; // NUL-terminate string.
+}
+
+PUBLIC char *FS_FileExtension( char *in )
+{
+	static char exten[ 8 ];
+	int		i;
+
+	while( *in && *in != '.' )
+	{
+		in++;
+	}
+
+	if( ! *in )
+	{
+		return "";
+	}
+
+	in++;
+	for( i = 0 ; i < 7 && *in ; i++, in++ )
+	{
+		exten[ i ] = *in;
+	}
+
+	exten[ i ] = '\0'; // NUL-terminate string.
+
+	return exten;
+}
+
+PUBLIC void FS_FileBase( char *in, char *out )
+{
+	char *s, *s2;
+	
+	s = in + strlen( in ) - 1;
+	
+	while( s != in && *s != '.' )
+	{
+		s--;
+	}
+	
+	for( s2 = s ; s2 != in && *s2 != '/' ; s2-- )
+	{
+		;
+	}
+	
+	if( s - s2 < 2 )
+	{
+		out[ 0 ] = '\0'; // NUL-terminate string.
+	}
+	else
+	{
+		s--;
+		strncpy( out, s2 + 1, s - s2 );
+		out[ s - s2 ] = '\0'; // NUL-terminate string.
+	}
+}
+
+