1/* Convert string representation of a number into an intmax_t value. 2 3 Copyright (C) 1999, 2001, 2002, 2003, 2004, 2006, 2009, 2010 Free Software 4 Foundation, Inc. 5 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 3 of the License, or 9 (at your option) any later version. 10 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. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19/* Written by Paul Eggert. */ 20 21#include <config.h> 22 23/* Verify interface. */ 24#include <inttypes.h> 25 26#include <stdlib.h> 27 28#include "verify.h" 29 30#ifdef UNSIGNED 31# ifndef HAVE_DECL_STRTOULL 32"this configure-time declaration test was not run" 33# endif 34# if !HAVE_DECL_STRTOULL && HAVE_UNSIGNED_LONG_LONG_INT 35unsigned long long int strtoull (char const *, char **, int); 36# endif 37 38#else 39 40# ifndef HAVE_DECL_STRTOLL 41"this configure-time declaration test was not run" 42# endif 43# if !HAVE_DECL_STRTOLL && HAVE_LONG_LONG_INT 44long long int strtoll (char const *, char **, int); 45# endif 46#endif 47 48#ifdef UNSIGNED 49# define Have_long_long HAVE_UNSIGNED_LONG_LONG_INT 50# define Int uintmax_t 51# define Unsigned unsigned 52# define strtoimax strtoumax 53# define strtol strtoul 54# define strtoll strtoull 55#else 56# define Have_long_long HAVE_LONG_LONG_INT 57# define Int intmax_t 58# define Unsigned 59#endif 60 61Int 62strtoimax (char const *ptr, char **endptr, int base) 63{ 64#if Have_long_long 65 verify (sizeof (Int) == sizeof (Unsigned long int) 66 || sizeof (Int) == sizeof (Unsigned long long int)); 67 68 if (sizeof (Int) != sizeof (Unsigned long int)) 69 return strtoll (ptr, endptr, base); 70#else 71 verify (sizeof (Int) == sizeof (Unsigned long int)); 72#endif 73 74 return strtol (ptr, endptr, base); 75} 76