xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Convert string representation of a number into an integer value. |
| 2 | Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <stdlib.h> |
| 20 | #include <wchar.h> |
| 21 | #include <locale/localeinfo.h> |
| 22 | |
| 23 | #ifndef UNSIGNED |
| 24 | # define UNSIGNED 0 |
| 25 | # define INT LONG int |
| 26 | #else |
| 27 | # define INT unsigned LONG int |
| 28 | #endif |
| 29 | |
| 30 | #if UNSIGNED |
| 31 | # ifdef USE_WIDE_CHAR |
| 32 | # ifdef QUAD |
| 33 | # define strtol wcstoull |
| 34 | # define __strtol_l __wcstoull_l |
| 35 | # else |
| 36 | # define strtol wcstoul |
| 37 | # define __strtol_l __wcstoul_l |
| 38 | # endif |
| 39 | # else |
| 40 | # ifdef QUAD |
| 41 | # define strtol strtoull |
| 42 | # define __strtol_l __strtoull_l |
| 43 | # else |
| 44 | # define strtol strtoul |
| 45 | # define __strtol_l __strtoul_l |
| 46 | # endif |
| 47 | # endif |
| 48 | #else |
| 49 | # ifdef USE_WIDE_CHAR |
| 50 | # ifdef QUAD |
| 51 | # define strtol wcstoll |
| 52 | # define __strtol_l __wcstoll_l |
| 53 | # else |
| 54 | # define strtol wcstol |
| 55 | # define __strtol_l __wcstol_l |
| 56 | # endif |
| 57 | # else |
| 58 | # ifdef QUAD |
| 59 | # define strtol strtoll |
| 60 | # define __strtol_l __strtoll_l |
| 61 | # endif |
| 62 | # endif |
| 63 | #endif |
| 64 | |
| 65 | |
| 66 | /* If QUAD is defined, we are defining `strtoll' or `strtoull', |
| 67 | operating on `long long int's. */ |
| 68 | #ifdef QUAD |
| 69 | # define LONG long long |
| 70 | #else |
| 71 | # define LONG long |
| 72 | #endif |
| 73 | |
| 74 | |
| 75 | #ifdef USE_WIDE_CHAR |
| 76 | # define STRING_TYPE wchar_t |
| 77 | #else |
| 78 | # define STRING_TYPE char |
| 79 | #endif |
| 80 | |
| 81 | |
| 82 | #define INTERNAL(X) INTERNAL1(X) |
| 83 | #define INTERNAL1(X) __##X##_internal |
| 84 | |
| 85 | #define SYM__(X) SYM__1 (X) |
| 86 | #define SYM__1(X) __ ## X |
| 87 | #define __strtol SYM__ (strtol) |
| 88 | |
| 89 | |
| 90 | extern INT INTERNAL (__strtol_l) (const STRING_TYPE *, STRING_TYPE **, int, |
| 91 | int, __locale_t); |
| 92 | |
| 93 | |
| 94 | INT |
| 95 | INTERNAL (strtol) (const STRING_TYPE *nptr, STRING_TYPE **endptr, |
| 96 | int base, int group) |
| 97 | { |
| 98 | return INTERNAL (__strtol_l) (nptr, endptr, base, group, _NL_CURRENT_LOCALE); |
| 99 | } |
| 100 | libc_hidden_def (INTERNAL (strtol)) |
| 101 | |
| 102 | |
| 103 | INT |
| 104 | __strtol (const STRING_TYPE *nptr, STRING_TYPE **endptr, int base) |
| 105 | { |
| 106 | return INTERNAL (__strtol_l) (nptr, endptr, base, 0, _NL_CURRENT_LOCALE); |
| 107 | } |
| 108 | weak_alias (__strtol, strtol) |
| 109 | libc_hidden_weak (strtol) |