| 1 | /* Convert string representation of a number into an integer value. |
|---|
| 2 | Copyright (C) 1991-2024 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 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | #include <features.h> |
|---|
| 20 | #undef __GLIBC_USE_C2X_STRTOL |
|---|
| 21 | #define __GLIBC_USE_C2X_STRTOL 0 |
|---|
| 22 | #include <stdlib.h> |
|---|
| 23 | #include <wchar.h> |
|---|
| 24 | #include <locale/localeinfo.h> |
|---|
| 25 | |
|---|
| 26 | #ifndef UNSIGNED |
|---|
| 27 | # define UNSIGNED 0 |
|---|
| 28 | # define INT LONG int |
|---|
| 29 | #else |
|---|
| 30 | # define INT unsigned LONG int |
|---|
| 31 | #endif |
|---|
| 32 | |
|---|
| 33 | #if UNSIGNED |
|---|
| 34 | # ifdef USE_WIDE_CHAR |
|---|
| 35 | # ifdef QUAD |
|---|
| 36 | # define strtol wcstoull |
|---|
| 37 | # define __strtol_l __wcstoull_l |
|---|
| 38 | # define __isoc23_strtol __isoc23_wcstoull |
|---|
| 39 | # else |
|---|
| 40 | # define strtol wcstoul |
|---|
| 41 | # define __strtol_l __wcstoul_l |
|---|
| 42 | # define __isoc23_strtol __isoc23_wcstoul |
|---|
| 43 | # endif |
|---|
| 44 | # else |
|---|
| 45 | # ifdef QUAD |
|---|
| 46 | # define strtol strtoull |
|---|
| 47 | # define __strtol_l __strtoull_l |
|---|
| 48 | # define __isoc23_strtol __isoc23_strtoull |
|---|
| 49 | # else |
|---|
| 50 | # define strtol strtoul |
|---|
| 51 | # define __strtol_l __strtoul_l |
|---|
| 52 | # define __isoc23_strtol __isoc23_strtoul |
|---|
| 53 | # endif |
|---|
| 54 | # endif |
|---|
| 55 | #else |
|---|
| 56 | # ifdef USE_WIDE_CHAR |
|---|
| 57 | # ifdef QUAD |
|---|
| 58 | # define strtol wcstoll |
|---|
| 59 | # define __strtol_l __wcstoll_l |
|---|
| 60 | # define __isoc23_strtol __isoc23_wcstoll |
|---|
| 61 | # else |
|---|
| 62 | # define strtol wcstol |
|---|
| 63 | # define __strtol_l __wcstol_l |
|---|
| 64 | # define __isoc23_strtol __isoc23_wcstol |
|---|
| 65 | # endif |
|---|
| 66 | # else |
|---|
| 67 | # ifdef QUAD |
|---|
| 68 | # define strtol strtoll |
|---|
| 69 | # define __strtol_l __strtoll_l |
|---|
| 70 | # define __isoc23_strtol __isoc23_strtoll |
|---|
| 71 | # endif |
|---|
| 72 | # endif |
|---|
| 73 | #endif |
|---|
| 74 | |
|---|
| 75 | |
|---|
| 76 | /* If QUAD is defined, we are defining `strtoll' or `strtoull', |
|---|
| 77 | operating on `long long int's. */ |
|---|
| 78 | #ifdef QUAD |
|---|
| 79 | # define LONG long long |
|---|
| 80 | #else |
|---|
| 81 | # define LONG long |
|---|
| 82 | #endif |
|---|
| 83 | |
|---|
| 84 | |
|---|
| 85 | #ifdef USE_WIDE_CHAR |
|---|
| 86 | # define STRING_TYPE wchar_t |
|---|
| 87 | #else |
|---|
| 88 | # define STRING_TYPE char |
|---|
| 89 | #endif |
|---|
| 90 | |
|---|
| 91 | |
|---|
| 92 | #define INTERNAL(X) INTERNAL1(X) |
|---|
| 93 | #define INTERNAL1(X) __##X##_internal |
|---|
| 94 | |
|---|
| 95 | #define SYM__(X) SYM__1 (X) |
|---|
| 96 | #define SYM__1(X) __ ## X |
|---|
| 97 | #define __strtol SYM__ (strtol) |
|---|
| 98 | |
|---|
| 99 | |
|---|
| 100 | extern INT INTERNAL (__strtol_l) (const STRING_TYPE *, STRING_TYPE **, int, |
|---|
| 101 | int, bool, locale_t); |
|---|
| 102 | |
|---|
| 103 | |
|---|
| 104 | INT |
|---|
| 105 | INTERNAL (strtol) (const STRING_TYPE *nptr, STRING_TYPE **endptr, |
|---|
| 106 | int base, int group) |
|---|
| 107 | { |
|---|
| 108 | return INTERNAL (__strtol_l) (nptr, endptr, base, group, false, |
|---|
| 109 | _NL_CURRENT_LOCALE); |
|---|
| 110 | } |
|---|
| 111 | libc_hidden_def (INTERNAL (strtol)) |
|---|
| 112 | |
|---|
| 113 | |
|---|
| 114 | INT |
|---|
| 115 | __strtol (const STRING_TYPE *nptr, STRING_TYPE **endptr, int base) |
|---|
| 116 | { |
|---|
| 117 | return INTERNAL (__strtol_l) (nptr, endptr, base, 0, false, |
|---|
| 118 | _NL_CURRENT_LOCALE); |
|---|
| 119 | } |
|---|
| 120 | weak_alias (__strtol, strtol) |
|---|
| 121 | libc_hidden_weak (strtol) |
|---|
| 122 | |
|---|
| 123 | INT |
|---|
| 124 | __isoc23_strtol (const STRING_TYPE *nptr, STRING_TYPE **endptr, int base) |
|---|
| 125 | { |
|---|
| 126 | return INTERNAL (__strtol_l) (nptr, endptr, base, 0, true, |
|---|
| 127 | _NL_CURRENT_LOCALE); |
|---|
| 128 | } |
|---|
| 129 | libc_hidden_def (__isoc23_strtol) |
|---|
| 130 | |
|---|
