source/texk/kpathsea/atou.c

   1 /* atou.c: like atoi, but if the number is negative, abort.
   2
   3    Copyright 1992, 1995, 2008 Karl Berry.
   4
   5    This library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    This library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public License
  16    along with this library; if not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include "config.h"
  19
  20 unsigned
  21 atou (const_string s)
  22 {
  23   int i = atoi (s);
  24
  25   if (i < 0)
  26     FATAL1 ("I expected a positive number, not %d", i);
  27   return i;
  28 }