| 1 | /* Convert string representation of a number into an intmax_t value. |
| 2 | |
| 3 | Copyright (C) 1999, 2001-2004, 2006, 2009-2013 Free Software Foundation, |
| 4 | 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 |
| 35 | unsigned 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 |
| 44 | long 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 | |
| 61 | Int |
| 62 | strtoimax (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 | } |