/* $NetBSD: strtoimax.c,v 1.1.1.1 2016/01/13 03:15:30 christos Exp $ */ /* Convert string representation of a number into an intmax_t value. Copyright (C) 1999, 2001 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 /* Verify a requirement at compile-time (unlike assert, which is runtime). */ #define verify(name, assertion) struct name { char a[(assertion) ? 1 : -1]; } #ifdef UNSIGNED # 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 #else # ifndef HAVE_DECL_STRTOL "this configure-time declaration test was not run" # endif # if !HAVE_DECL_STRTOL long strtol PARAMS ((char const *, char **, int)); # endif # ifndef HAVE_DECL_STRTOLL "this configure-time declaration test was not run" # endif # if !HAVE_DECL_STRTOLL && HAVE_UNSIGNED_LONG_LONG long long strtoll PARAMS ((char const *, char **, int)); # endif #endif #ifdef UNSIGNED # undef HAVE_LONG_LONG # define HAVE_LONG_LONG HAVE_UNSIGNED_LONG_LONG # define INT uintmax_t # define strtoimax strtoumax # define strtol strtoul # define strtoll strtoull #else # define INT intmax_t #endif INT strtoimax (char const *ptr, char **endptr, int base) { #if HAVE_LONG_LONG verify (size_is_that_of_long_or_long_long, (sizeof (INT) == sizeof (long) || sizeof (INT) == sizeof (long long))); if (sizeof (INT) != sizeof (long)) return strtoll (ptr, endptr, base); #else verify (size_is_that_of_long, sizeof (INT) == sizeof (long)); #endif return strtol (ptr, endptr, base); }