kolibrios/programs/media/unrtf/util.c
maxcodehack 60c3243924 Upload GNU unRTF
git-svn-id: svn://kolibrios.org@8335 a494cfbc-eb01-0410-851d-a64ba20cac60
2020-12-07 09:06:07 +00:00

65 lines
2.0 KiB
C
Executable File

/*=============================================================================
GNU UnRTF, a command-line program to convert RTF documents to other formats.
Copyright (C) 2000,2001 Zachary Thayer 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 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
The author is reachable by electronic mail at tuorfa@yahoo.com.
=============================================================================*/
/*----------------------------------------------------------------------
* Module name: util
* Author name: Zach Smith
* Create date: 01 Aug 01
* Purpose: Utility functions.
*----------------------------------------------------------------------
* Changes:
* 22 Sep 01, tuorfa@yahoo.com: added function-level comment blocks
*--------------------------------------------------------------------*/
#include <stdlib.h>
#include <ctype.h>
/*========================================================================
* 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;
}