47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
*
|
|
* This file is part of GNU Mes.
|
|
*
|
|
* GNU Mes 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.
|
|
*
|
|
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <mes/lib.h>
|
|
#include <ctype.h>
|
|
|
|
long
|
|
abtol (char const **p, int base)
|
|
{
|
|
char const *s = *p;
|
|
int i = 0;
|
|
int sign = 1;
|
|
if (!base)
|
|
base = 10;
|
|
if (*s && *s == '-')
|
|
{
|
|
sign = -1;
|
|
s++;
|
|
}
|
|
while (isnumber (*s, base))
|
|
{
|
|
i *= base;
|
|
int m = *s > '9' ? 'a' - 10 : '0';
|
|
i += *s - m;
|
|
s++;
|
|
}
|
|
*p = s;
|
|
return i * sign;
|
|
}
|