Files
lmms/plugins/flp_import/unrtf/util.c
2008-11-21 23:22:36 +00:00

73 lines
2.3 KiB
C

/*=============================================================================
GNU UnRTF, a command-line program to convert RTF documents to other formats.
Copyright (C) 2000,2001,2004 by Zachary Smith
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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
The maintainer is reachable by electronic mail at daved@physiol.usyd.edu.au
=============================================================================*/
/*----------------------------------------------------------------------
* Module name: util
* Author name: Zachary Smith
* Create date: 01 Aug 01
* Purpose: Utility functions.
*----------------------------------------------------------------------
* Changes:
* 22 Sep 01, tuorfa@yahoo.com: added function-level comment blocks
* 29 Mar 05, daved@physiol.usyd.edu.au: changes requested by ZT Smith
* 16 Dec 07, daved@physiol.usyd.edu.au: updated to GPL v3
*--------------------------------------------------------------------*/
#ifdef LMMS_HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef LMMS_HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef LMMS_HAVE_CTYPE_H
#include <ctype.h>
#endif
/*========================================================================
* Name: h2toi
* Purpose: Converts a 2-digit hexadecimal value to an unsigned integer.
* Args: String.
* Returns: Integer.
*=======================================================================*/
/* Convert a two-char hexadecimal expression to an integer */
int
h2toi (char *s) {
int tmp;
int ch;
tmp = tolower(*s++);
if (tmp>'9') tmp-=('a'-10);
else tmp-='0';
ch=16*tmp;
tmp = tolower(*s++);
if (tmp>'9') tmp-=('a'-10);
else tmp-='0';
ch+=tmp;
return ch;
}