gcc/f/proj.c

   1 /* proj.c file for GNU Fortran
   2    Copyright (C) 1995 Free Software Foundation, Inc.
   3    Contributed by James Craig Burley.
   4
   5 This file is part of GNU Fortran.
   6
   7 GNU Fortran is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU Fortran is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Fortran; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.         */
  21
  22 #include "proj.h"
  23 #include "glimits.h"
  24
  25 #ifndef HAVE_STRTOUL
  26 unsigned long int
  27 strtoul (const char *nptr, char **endptr, int base)
  28 {
  29   unsigned long int number = 0;
  30   unsigned long int old_number = 0;
  31
  32   assert (base == 10);
  33   assert (endptr == NULL);
  34
  35   while (ISDIGIT (*nptr))
  36     {
  37       number = old_number * 10 + (*(nptr++) - '0');
  38       if ((number <= old_number) && (old_number != 0))
  39         return ULONG_MAX;
  40       old_number = number;
  41     }
  42
  43   return number;
  44 }
  45 #endif
  46
  47 #ifndef HAVE_BSEARCH
  48 void *
  49 bsearch (const void *key, const void *base, size_t nmemb, size_t size,
  50          int (*compar) (const void *, const void *))
  51 {
  52   size_t i;
  53   int cmp;
  54
  55   /* We do a dumb incremental search, not a binary search, for now. */
  56
  57   for (i = 0; i < nmemb; ++i)
  58     {
  59       if ((cmp = (*compar) (key, base)) == 0)
  60         return base;
  61       if (cmp < 0)
  62         break;
  63       base += size;
  64     }
  65
  66   return NULL;
  67 }
  68 #endif