| 1 | /* $NetBSD: _strtoi.h,v 1.2 2015/01/18 17:55:22 christos Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1990, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | * |
| 31 | * Original version ID: |
| 32 | * NetBSD: src/lib/libc/locale/_wcstoul.h,v 1.2 2003/08/07 16:43:03 agc Exp |
| 33 | * |
| 34 | * Created by Kamil Rytarowski, based on ID: |
| 35 | * NetBSD: src/common/lib/libc/stdlib/_strtoul.h,v 1.7 2013/05/17 12:55:56 joerg Exp |
| 36 | */ |
| 37 | |
| 38 | /* |
| 39 | * function template for strtoi and strtou |
| 40 | * |
| 41 | * parameters: |
| 42 | * _FUNCNAME : function name |
| 43 | * __TYPE : return and range limits type |
| 44 | * __WRAPPED : wrapped function, strtoimax or strtoumax |
| 45 | */ |
| 46 | |
| 47 | #define __WRAPPED_L_(x) x ## _l |
| 48 | #define __WRAPPED_L__(x) __WRAPPED_L_(x) |
| 49 | #define __WRAPPED_L __WRAPPED_L__(__WRAPPED) |
| 50 | |
| 51 | #if defined(_KERNEL) || defined(_STANDALONE) || \ |
| 52 | defined(HAVE_NBTOOL_CONFIG_H) || defined(BCS_ONLY) |
| 53 | __TYPE |
| 54 | _FUNCNAME(const char * __restrict nptr, char ** __restrict endptr, int base, |
| 55 | __TYPE lo, __TYPE hi, int * rstatus) |
| 56 | #else |
| 57 | #include <locale.h> |
| 58 | #include "setlocale_local.h" |
| 59 | #define INT_FUNCNAME_(pre, name, post) pre ## name ## post |
| 60 | #define INT_FUNCNAME(pre, name, post) INT_FUNCNAME_(pre, name, post) |
| 61 | |
| 62 | static __TYPE |
| 63 | INT_FUNCNAME(_int_, _FUNCNAME, _l)(const char * __restrict nptr, |
| 64 | char ** __restrict endptr, int base, |
| 65 | __TYPE lo, __TYPE hi, int * rstatus, locale_t loc) |
| 66 | #endif |
| 67 | { |
| 68 | #if !defined(_KERNEL) && !defined(_STANDALONE) |
| 69 | int serrno; |
| 70 | #endif |
| 71 | __TYPE im; |
| 72 | char *ep; |
| 73 | int rep; |
| 74 | |
| 75 | _DIAGASSERT(hi >= lo); |
| 76 | |
| 77 | _DIAGASSERT(nptr != NULL); |
| 78 | /* endptr may be NULL */ |
| 79 | |
| 80 | if (endptr == NULL) |
| 81 | endptr = &ep; |
| 82 | |
| 83 | if (rstatus == NULL) |
| 84 | rstatus = &rep; |
| 85 | |
| 86 | #if !defined(_KERNEL) && !defined(_STANDALONE) |
| 87 | serrno = errno; |
| 88 | errno = 0; |
| 89 | #endif |
| 90 | |
| 91 | #if defined(_KERNEL) || defined(_STANDALONE) || \ |
| 92 | defined(HAVE_NBTOOL_CONFIG_H) || defined(BCS_ONLY) |
| 93 | im = __WRAPPED(nptr, endptr, base); |
| 94 | #else |
| 95 | im = __WRAPPED_L(nptr, endptr, base, loc); |
| 96 | #endif |
| 97 | |
| 98 | #if !defined(_KERNEL) && !defined(_STANDALONE) |
| 99 | *rstatus = errno; |
| 100 | errno = serrno; |
| 101 | #endif |
| 102 | |
| 103 | if (*rstatus == 0) { |
| 104 | /* No digits were found */ |
| 105 | if (nptr == *endptr) |
| 106 | *rstatus = ECANCELED; |
| 107 | /* There are further characters after number */ |
| 108 | else if (**endptr != '\0') |
| 109 | *rstatus = ENOTSUP; |
| 110 | } |
| 111 | |
| 112 | if (im < lo) { |
| 113 | if (*rstatus == 0) |
| 114 | *rstatus = ERANGE; |
| 115 | return lo; |
| 116 | } |
| 117 | if (im > hi) { |
| 118 | if (*rstatus == 0) |
| 119 | *rstatus = ERANGE; |
| 120 | return hi; |
| 121 | } |
| 122 | |
| 123 | return im; |
| 124 | } |
| 125 | |
| 126 | #if !defined(_KERNEL) && !defined(_STANDALONE) && \ |
| 127 | !defined(HAVE_NBTOOL_CONFIG_H) && !defined(BCS_ONLY) |
| 128 | __TYPE |
| 129 | _FUNCNAME(const char * __restrict nptr, char ** __restrict endptr, int base, |
| 130 | __TYPE lo, __TYPE hi, int * rstatus) |
| 131 | { |
| 132 | return INT_FUNCNAME(_int_, _FUNCNAME, _l)(nptr, endptr, base, lo, hi, |
| 133 | rstatus, _current_locale()); |
| 134 | } |
| 135 | |
| 136 | __TYPE |
| 137 | INT_FUNCNAME(, _FUNCNAME, _l)(const char * __restrict nptr, |
| 138 | char ** __restrict endptr, int base, |
| 139 | __TYPE lo, __TYPE hi, int * rstatus, locale_t loc) |
| 140 | { |
| 141 | return INT_FUNCNAME(_int_, _FUNCNAME, _l)(nptr, endptr, base, lo, hi, |
| 142 | rstatus, loc); |
| 143 | } |
| 144 | #endif |
| 145 | |