1 /* Convert string representation of a number into an intmax_t value.
3 Copyright (C) 1999, 2001, 2002, 2003, 2004, 2006 Free Software
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
20 /* Written by Paul Eggert. */
24 /* Verify interface. */
32 # ifndef HAVE_DECL_STRTOULL
33 "this configure-time declaration test was not run"
35 # if !HAVE_DECL_STRTOULL && HAVE_UNSIGNED_LONG_LONG_INT
36 unsigned long long strtoull (char const *, char **, int);
41 # ifndef HAVE_DECL_STRTOLL
42 "this configure-time declaration test was not run"
44 # if !HAVE_DECL_STRTOLL && HAVE_UNSIGNED_LONG_LONG_INT
45 long long strtoll (char const *, char **, int);
50 # undef HAVE_LONG_LONG_INT
51 # define HAVE_LONG_LONG_INT HAVE_UNSIGNED_LONG_LONG_INT
52 # define INT uintmax_t
53 # define strtoimax strtoumax
54 # define strtol strtoul
55 # define strtoll strtoull
61 strtoimax (char const *ptr, char **endptr, int base)
63 #if HAVE_LONG_LONG_INT
64 verify (sizeof (INT) == sizeof (long int)
65 || sizeof (INT) == sizeof (long long int));
67 if (sizeof (INT) != sizeof (long int))
68 return strtoll (ptr, endptr, base);
70 verify (sizeof (INT) == sizeof (long int));
73 return strtol (ptr, endptr, base);