/* $NetBSD: strtoumax.c,v 1.1.1.1 2016/01/10 21:36:19 christos Exp $ */ /* Convert string representation of a number into an uintmax_t value. Copyright 1999 Free Software Foundation, Inc. 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, 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. */ /* Written by Paul Eggert. */ #if HAVE_CONFIG_H # include #endif #if HAVE_INTTYPES_H # include #endif #if HAVE_STDLIB_H # include #endif #ifndef PARAMS # if defined PROTOTYPES || defined __STDC__ # define PARAMS(Args) Args # else # define PARAMS(Args) () # endif #endif #ifndef HAVE_DECL_STRTOUL "this configure-time declaration test was not run" #endif #if !HAVE_DECL_STRTOUL unsigned long strtoul PARAMS ((char const *, char **, int)); #endif #ifndef HAVE_DECL_STRTOULL "this configure-time declaration test was not run" #endif #if !HAVE_DECL_STRTOULL && HAVE_UNSIGNED_LONG_LONG unsigned long long strtoull PARAMS ((char const *, char **, int)); #endif uintmax_t strtoumax (char const *ptr, char **endptr, int base) { #define USE_IF_EQUIVALENT(function) \ if (sizeof (uintmax_t) == sizeof function (ptr, endptr, base)) \ return function (ptr, endptr, base); #if HAVE_UNSIGNED_LONG_LONG USE_IF_EQUIVALENT (strtoull) #endif USE_IF_EQUIVALENT (strtoul) abort (); } #ifdef TESTING # include int main () { char *p, *endptr; printf ("sizeof uintmax_t: %d\n", sizeof (uintmax_t)); printf ("sizeof strtoull(): %d\n", sizeof strtoull(p, &endptr, 10)); printf ("sizeof strtoul(): %d\n", sizeof strtoul(p, &endptr, 10)); exit (0); } #endif