1 | /* Convert string representation of a number into an integer value. |
2 | Copyright (C) 1991-2023 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 | |