diff options
Diffstat (limited to 'stdlib/strtol_l.c')
| -rw-r--r-- | stdlib/strtol_l.c | 564 |
1 files changed, 0 insertions, 564 deletions
diff --git a/stdlib/strtol_l.c b/stdlib/strtol_l.c deleted file mode 100644 index e02a2747d0..0000000000 --- a/stdlib/strtol_l.c +++ /dev/null @@ -1,564 +0,0 @@ -/* Convert string representing a number to integer value, using given locale. - Copyright (C) 1997, 2002, 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - - -#if HAVE_CONFIG_H -# include <config.h> -#endif - -#ifdef _LIBC -# define USE_NUMBER_GROUPING -# define STDC_HEADERS -# define HAVE_LIMITS_H -#endif - -#include <ctype.h> -#include <errno.h> -#ifndef __set_errno -# define __set_errno(Val) errno = (Val) -#endif - -#ifdef HAVE_LIMITS_H -# include <limits.h> -#endif - -#include <stddef.h> -#include <stdlib.h> -#include <string.h> -#include <locale.h> -#include <xlocale.h> -#include <bits/wordsize.h> - -#ifdef USE_NUMBER_GROUPING -# include "../locale/localeinfo.h" -#endif - -/* Nonzero if we are defining `strtoul' or `strtoull', operating on - unsigned integers. */ -#ifndef UNSIGNED -# define UNSIGNED 0 -# define INT LONG int -#else -# define INT unsigned LONG int -#endif - -/* Determine the name. */ -#if UNSIGNED -# ifdef USE_WIDE_CHAR -# ifdef QUAD -# define strtol_l wcstoull_l -# else -# define strtol_l wcstoul_l -# endif -# else -# ifdef QUAD -# define strtol_l strtoull_l -# else -# define strtol_l strtoul_l -# endif -# endif -#else -# ifdef USE_WIDE_CHAR -# ifdef QUAD -# define strtol_l wcstoll_l -# else -# define strtol_l wcstol_l -# endif -# else -# ifdef QUAD -# define strtol_l strtoll_l -# else -# define strtol_l strtol_l -# endif -# endif -#endif - -#define __strtol_l __strtol_l2(strtol_l) -#define __strtol_l2(name) __strtol_l3(name) -#define __strtol_l3(name) __##name - - -/* If QUAD is defined, we are defining `strtoll' or `strtoull', - operating on `long long int's. */ -#ifdef QUAD -# define LONG long long -# define STRTOL_LONG_MIN LONG_LONG_MIN -# define STRTOL_LONG_MAX LONG_LONG_MAX -# define STRTOL_ULONG_MAX ULONG_LONG_MAX -#else -# define LONG long - -# ifndef ULONG_MAX -# define ULONG_MAX ((unsigned long int) ~(unsigned long int) 0) -# endif -# ifndef LONG_MAX -# define LONG_MAX ((long int) (ULONG_MAX >> 1)) -# endif -# define STRTOL_LONG_MIN LONG_MIN -# define STRTOL_LONG_MAX LONG_MAX -# define STRTOL_ULONG_MAX ULONG_MAX -#endif - - -/* We use this code for the extended locale handling where the - function gets as an additional argument the locale which has to be - used. To access the values we have to redefine the _NL_CURRENT and - _NL_CURRENT_WORD macros. */ -#undef _NL_CURRENT -#define _NL_CURRENT(category, item) \ - (current->values[_NL_ITEM_INDEX (item)].string) -#undef _NL_CURRENT_WORD -#define _NL_CURRENT_WORD(category, item) \ - ((uint32_t) current->values[_NL_ITEM_INDEX (item)].word) - -#if defined _LIBC || defined HAVE_WCHAR_H -# include <wchar.h> -#endif - -#ifdef USE_WIDE_CHAR -# include <wctype.h> -# define L_(Ch) L##Ch -# define UCHAR_TYPE wint_t -# define STRING_TYPE wchar_t -# define ISSPACE(Ch) __iswspace_l ((Ch), loc) -# define ISALPHA(Ch) __iswalpha_l ((Ch), loc) -# define TOUPPER(Ch) __towupper_l ((Ch), loc) -#else -# if defined _LIBC \ - || defined STDC_HEADERS || (!defined isascii && !defined HAVE_ISASCII) -# define IN_CTYPE_DOMAIN(c) 1 -# else -# define IN_CTYPE_DOMAIN(c) isascii(c) -# endif -# define L_(Ch) Ch -# define UCHAR_TYPE unsigned char -# define STRING_TYPE char -# define ISSPACE(Ch) __isspace_l ((Ch), loc) -# define ISALPHA(Ch) __isalpha_l ((Ch), loc) -# define TOUPPER(Ch) __toupper_l ((Ch), loc) -#endif - -#define INTERNAL(X) INTERNAL1(X) -#define INTERNAL1(X) __##X##_internal -#define WEAKNAME(X) WEAKNAME1(X) - -#ifdef USE_NUMBER_GROUPING -/* This file defines a function to check for correct grouping. */ -# include "grouping.h" -#endif - - -/* Define tables of maximum values and remainders in order to detect - overflow. Do this at compile-time in order to avoid the runtime - overhead of the division. */ -extern const unsigned long __strtol_ul_max_tab[] attribute_hidden; -extern const unsigned char __strtol_ul_rem_tab[] attribute_hidden; -#if defined(QUAD) && __WORDSIZE == 32 -extern const unsigned long long __strtol_ull_max_tab[] attribute_hidden; -extern const unsigned char __strtol_ull_rem_tab[] attribute_hidden; -#endif - -#define DEF(TYPE, NAME) \ - const TYPE NAME[] attribute_hidden = \ - { \ - F(2), F(3), F(4), F(5), F(6), F(7), F(8), F(9), F(10), \ - F(11), F(12), F(13), F(14), F(15), F(16), F(17), F(18), F(19), F(20), \ - F(21), F(22), F(23), F(24), F(25), F(26), F(27), F(28), F(29), F(30), \ - F(31), F(32), F(33), F(34), F(35), F(36) \ - } - -#if !UNSIGNED && !defined (USE_WIDE_CHAR) && !defined (QUAD) -# define F(X) ULONG_MAX / X - DEF (unsigned long, __strtol_ul_max_tab); -# undef F -# define F(X) ULONG_MAX % X - DEF (unsigned char, __strtol_ul_rem_tab); -# undef F -#endif -#if !UNSIGNED && !defined (USE_WIDE_CHAR) && defined (QUAD) \ - && __WORDSIZE == 32 -# define F(X) ULONG_LONG_MAX / X - DEF (unsigned long long, __strtol_ull_max_tab); -# undef F -# define F(X) ULONG_LONG_MAX % X - DEF (unsigned char, __strtol_ull_rem_tab); -# undef F -#endif -#undef DEF - -/* Define some more readable aliases for these arrays which correspond - to how they'll be used in the function below. */ -#define jmax_tab __strtol_ul_max_tab -#if defined(QUAD) && __WORDSIZE == 32 -# define cutoff_tab __strtol_ull_max_tab -# define cutlim_tab __strtol_ull_rem_tab -#else -# define cutoff_tab __strtol_ul_max_tab -# define cutlim_tab __strtol_ul_rem_tab -#endif - - -/* Convert NPTR to an `unsigned long int' or `long int' in base BASE. - If BASE is 0 the base is determined by the presence of a leading - zero, indicating octal or a leading "0x" or "0X", indicating hexadecimal. - If BASE is < 2 or > 36, it is reset to 10. - If ENDPTR is not NULL, a pointer to the character after the last - one converted is stored in *ENDPTR. */ - -INT -INTERNAL (__strtol_l) (nptr, endptr, base, group, loc) - const STRING_TYPE *nptr; - STRING_TYPE **endptr; - int base; - int group; - __locale_t loc; -{ - int negative; - register unsigned LONG int cutoff; - register unsigned int cutlim; - register unsigned LONG int i; - register const STRING_TYPE *s; - register UCHAR_TYPE c; - const STRING_TYPE *save, *end; - int overflow; -#ifndef USE_WIDE_CHAR - size_t cnt; -#endif - -#ifdef USE_NUMBER_GROUPING - struct locale_data *current = loc->__locales[LC_NUMERIC]; - /* The thousands character of the current locale. */ -# ifdef USE_WIDE_CHAR - wchar_t thousands = L'\0'; -# else - const char *thousands = NULL; - size_t thousands_len = 0; -# endif - /* The numeric grouping specification of the current locale, - in the format described in <locale.h>. */ - const char *grouping; - - if (__builtin_expect (group, 0)) - { - grouping = _NL_CURRENT (LC_NUMERIC, GROUPING); - if (*grouping <= 0 || *grouping == CHAR_MAX) - grouping = NULL; - else - { - /* Figure out the thousands separator character. */ -# ifdef USE_WIDE_CHAR -# ifdef _LIBC - thousands = _NL_CURRENT_WORD (LC_NUMERIC, - _NL_NUMERIC_THOUSANDS_SEP_WC); -# endif - if (thousands == L'\0') - grouping = NULL; -# else -# ifdef _LIBC - thousands = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP); -# endif - if (*thousands == '\0') - { - thousands = NULL; - grouping = NULL; - } -# endif - } - } - else - grouping = NULL; -#endif - - if (base < 0 || base == 1 || base > 36) - { - __set_errno (EINVAL); - return 0; - } - - save = s = nptr; - - /* Skip white space. */ - while (ISSPACE (*s)) - ++s; - if (__builtin_expect (*s == L_('\0'), 0)) - goto noconv; - - /* Check for a sign. */ - negative = 0; - if (*s == L_('-')) - { - negative = 1; - ++s; - } - else if (*s == L_('+')) - ++s; - - /* Recognize number prefix and if BASE is zero, figure it out ourselves. */ - if (*s == L_('0')) - { - if ((base == 0 || base == 16) && TOUPPER (s[1]) == L_('X')) - { - s += 2; - base = 16; - } - else if (base == 0) - base = 8; - } - else if (base == 0) - base = 10; - - /* Save the pointer so we can check later if anything happened. */ - save = s; - -#ifdef USE_NUMBER_GROUPING - if (base != 10) - grouping = NULL; - - if (__builtin_expect (grouping != NULL, 0)) - { -# ifndef USE_WIDE_CHAR - thousands_len = strlen (thousands); -# endif - - /* Find the end of the digit string and check its grouping. */ - end = s; - if ( -# ifdef USE_WIDE_CHAR - *s != thousands -# else - ({ for (cnt = 0; cnt < thousands_len; ++cnt) - if (thousands[cnt] != end[cnt]) - break; - cnt < thousands_len; }) -# endif - ) - { - for (c = *end; c != L_('\0'); c = *++end) - if (((STRING_TYPE) c < L_('0') || (STRING_TYPE) c > L_('9')) -# ifdef USE_WIDE_CHAR - && (wchar_t) c != thousands -# else - && ({ for (cnt = 0; cnt < thousands_len; ++cnt) - if (thousands[cnt] != end[cnt]) - break; - cnt < thousands_len; }) -# endif - && (!ISALPHA (c) - || (int) (TOUPPER (c) - L_('A') + 10) >= base)) - break; - -# ifdef USE_WIDE_CHAR - end = __correctly_grouped_prefixwc (s, end, thousands, grouping); -# else - end = __correctly_grouped_prefixmb (s, end, thousands, grouping); -# endif - } - } - else -#endif - end = NULL; - - /* Avoid runtime division; lookup cutoff and limit. */ - cutoff = cutoff_tab[base - 2]; - cutlim = cutlim_tab[base - 2]; - - overflow = 0; - i = 0; - c = *s; - if (sizeof (long int) != sizeof (LONG int)) - { - unsigned long int j = 0; - unsigned long int jmax = jmax_tab[base - 2]; - - for (;c != L_('\0'); c = *++s) - { - if (s == end) - break; - if (c >= L_('0') && c <= L_('9')) - c -= L_('0'); -#ifdef USE_NUMBER_GROUPING -# ifdef USE_WIDE_CHAR - else if (grouping && (wchar_t) c == thousands) - continue; -# else - else if (thousands_len) - { - for (cnt = 0; cnt < thousands_len; ++cnt) - if (thousands[cnt] != s[cnt]) - break; - if (cnt == thousands_len) - { - s += thousands_len - 1; - continue; - } - if (ISALPHA (c)) - c = TOUPPER (c) - L_('A') + 10; - else - break; - } -# endif -#endif - else if (ISALPHA (c)) - c = TOUPPER (c) - L_('A') + 10; - else - break; - if ((int) c >= base) - break; - /* Note that we never can have an overflow. */ - else if (j >= jmax) - { - /* We have an overflow. Now use the long representation. */ - i = (unsigned LONG int) j; - goto use_long; - } - else - j = j * (unsigned long int) base + c; - } - - i = (unsigned LONG int) j; - } - else - for (;c != L_('\0'); c = *++s) - { - if (s == end) - break; - if (c >= L_('0') && c <= L_('9')) - c -= L_('0'); -#ifdef USE_NUMBER_GROUPING -# ifdef USE_WIDE_CHAR - else if (grouping && (wchar_t) c == thousands) - continue; -# else - else if (thousands_len) - { - for (cnt = 0; cnt < thousands_len; ++cnt) - if (thousands[cnt] != s[cnt]) - break; - if (cnt == thousands_len) - { - s += thousands_len - 1; - continue; - } - if (ISALPHA (c)) - c = TOUPPER (c) - L_('A') + 10; - else - break; - } -# endif -#endif - else if (ISALPHA (c)) - c = TOUPPER (c) - L_('A') + 10; - else - break; - if ((int) c >= base) - break; - /* Check for overflow. */ - if (i > cutoff || (i == cutoff && c > cutlim)) - overflow = 1; - else - { - use_long: - i *= (unsigned LONG int) base; - i += c; - } - } - - /* Check if anything actually happened. */ - if (s == save) - goto noconv; - - /* Store in ENDPTR the address of one character - past the last character we converted. */ - if (endptr != NULL) - *endptr = (STRING_TYPE *) s; - -#if !UNSIGNED - /* Check for a value that is within the range of - `unsigned LONG int', but outside the range of `LONG int'. */ - if (overflow == 0 - && i > (negative - ? -((unsigned LONG int) (STRTOL_LONG_MIN + 1)) + 1 - : (unsigned LONG int) STRTOL_LONG_MAX)) - overflow = 1; -#endif - - if (__builtin_expect (overflow, 0)) - { - __set_errno (ERANGE); -#if UNSIGNED - return STRTOL_ULONG_MAX; -#else - return negative ? STRTOL_LONG_MIN : STRTOL_LONG_MAX; -#endif - } - - /* Return the result of the appropriate sign. */ - return negative ? -i : i; - -noconv: - /* We must handle a special case here: the base is 0 or 16 and the - first two characters are '0' and 'x', but the rest are no - hexadecimal digits. This is no error case. We return 0 and - ENDPTR points to the `x`. */ - if (endptr != NULL) - { - if (save - nptr >= 2 && TOUPPER (save[-1]) == L_('X') - && save[-2] == L_('0')) - *endptr = (STRING_TYPE *) &save[-1]; - else - /* There was no number to convert. */ - *endptr = (STRING_TYPE *) nptr; - } - - return 0L; -} -#if defined _LIBC && !defined USE_WIDE_CHAR -libc_hidden_def (INTERNAL (__strtol_l)) -#endif - -/* External user entry point. */ - -#if _LIBC - 0 == 0 -# undef PARAMS -# if defined (__STDC__) && __STDC__ -# define PARAMS(Args) Args -# else -# define PARAMS(Args) () -# endif - -/* Prototype. */ -extern INT __strtol_l PARAMS ((const STRING_TYPE *nptr, STRING_TYPE **endptr, - int base)); -#endif - - -INT -#ifdef weak_function -weak_function -#endif -__strtol_l (nptr, endptr, base, loc) - const STRING_TYPE *nptr; - STRING_TYPE **endptr; - int base; - __locale_t loc; -{ - return INTERNAL (__strtol_l) (nptr, endptr, base, 0, loc); -} -weak_alias (__strtol_l, strtol_l) |