-/* Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Convert string representation of a number into an integer value.
+ Copyright (C) 1991,92,94,95,96,97,98,99,2000,2001,2002,2003,2004,2007
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ 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
-Library General Public License for more details.
+ 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 Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef _LIBC
-# define USE_NUMBER_GROUPING
-# define STDC_HEADERS
-# define HAVE_LIMITS_H
-#endif
+#include <stdlib.h>
+#include <wchar.h>
+#include <locale/localeinfo.h>
-#include <ctype.h>
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-#ifndef __set_errno
-# define __set_errno(val) errno = (val)
-#endif
-
-#ifdef HAVE_LIMITS_H
-# include <limits.h>
-#endif
-
-#ifdef STDC_HEADERS
-# include <stddef.h>
-# include <stdlib.h>
-# include <string.h>
-#else
-# ifndef NULL
-# define NULL 0
-# endif
-#endif
-
-#ifdef USE_NUMBER_GROUPING
-# include "../locale/localeinfo.h"
-#endif
-
-/* Nonzero if we are defining `strtoul' or `strtouq', operating on
- unsigned integers. */
#ifndef UNSIGNED
# define UNSIGNED 0
# define INT LONG int
# define INT unsigned LONG int
#endif
-/* Determine the name. */
#if UNSIGNED
# ifdef USE_WIDE_CHAR
# ifdef QUAD
-# define strtol wcstouq
+# define strtol wcstoull
+# define __strtol_l __wcstoull_l
# else
# define strtol wcstoul
+# define __strtol_l __wcstoul_l
# endif
# else
# ifdef QUAD
-# define strtol strtouq
+# define strtol strtoull
+# define __strtol_l __strtoull_l
# else
# define strtol strtoul
+# define __strtol_l __strtoul_l
# endif
# endif
#else
# ifdef USE_WIDE_CHAR
# ifdef QUAD
-# define strtol wcstoq
+# define strtol wcstoll
+# define __strtol_l __wcstoll_l
# else
# define strtol wcstol
+# define __strtol_l __wcstol_l
# endif
# else
# ifdef QUAD
-# define strtol strtoq
+# define strtol strtoll
+# define __strtol_l __strtoll_l
# endif
# endif
#endif
-/* If QUAD is defined, we are defining `strtoq' or `strtouq',
+
+/* If QUAD is defined, we are defining `strtoll' or `strtoull',
operating on `long long int's. */
#ifdef QUAD
# define LONG long long
-# undef LONG_MIN
-# define LONG_MIN LONG_LONG_MIN
-# undef LONG_MAX
-# define LONG_MAX LONG_LONG_MAX
-# undef ULONG_MAX
-# define ULONG_MAX ULONG_LONG_MAX
-# if __GNUC__ == 2 && __GNUC_MINOR__ < 7
- /* Work around gcc bug with using this constant. */
- static const unsigned long long int maxquad = ULONG_LONG_MAX;
-# undef ULONG_MAX
-# define ULONG_MAX maxquad
-# endif
#else
# define LONG long
-
-#ifndef ULONG_MAX
-# define ULONG_MAX ((unsigned long) ~(unsigned long) 0)
-#endif
-#ifndef LONG_MAX
-# define LONG_MAX ((long int) (ULONG_MAX >> 1))
-#endif
#endif
+
#ifdef USE_WIDE_CHAR
-# include <wchar.h>
-# include <wctype.h>
-# define L_(ch) L##ch
-# define UCHAR_TYPE wint_t
# define STRING_TYPE wchar_t
-# define ISSPACE(ch) iswspace (ch)
-# define ISALPHA(ch) iswalpha (ch)
-# define TOUPPER(ch) towupper (ch)
#else
-# define L_(ch) ch
-# define UCHAR_TYPE unsigned char
# define STRING_TYPE char
-# define ISSPACE(ch) isspace (ch)
-# define ISALPHA(ch) isalpha (ch)
-# define TOUPPER(ch) toupper (ch)
#endif
-#ifdef __STDC__
-# define INTERNAL(x) INTERNAL1(x)
-# define INTERNAL1(x) __##x##_internal
-# define WEAKNAME(x) WEAKNAME1(x)
-#else
-# define INTERNAL(x) __/**/x/**/_internal
-#endif
-#ifdef USE_NUMBER_GROUPING
-/* This file defines a function to check for correct grouping. */
-# include "grouping.h"
-#endif
+#define INTERNAL(X) INTERNAL1(X)
+#define INTERNAL1(X) __##X##_internal
+
+extern INT INTERNAL (__strtol_l) (const STRING_TYPE *, STRING_TYPE **, int,
+ int, __locale_t);
-/* 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) (nptr, endptr, base, group)
int base;
int group;
{
- 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;
-
-#ifdef USE_NUMBER_GROUPING
- /* The thousands character of the current locale. */
- wchar_t thousands;
- /* The numeric grouping specification of the current locale,
- in the format described in <locale.h>. */
- const char *grouping;
-
- if (group)
- {
- grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
- if (*grouping <= 0 || *grouping == CHAR_MAX)
- grouping = NULL;
- else
- {
- /* Figure out the thousands separator character. */
- if (mbtowc (&thousands, _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP),
- strlen (_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP))) <= 0)
- thousands = (wchar_t) *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
- if (thousands == L'\0')
- grouping = NULL;
- }
- }
- else
- grouping = NULL;
-#endif
-
- if (base < 0 || base == 1 || base > 36)
- base = 10;
-
- save = s = nptr;
-
- /* Skip white space. */
- while (ISSPACE (*s))
- ++s;
- if (*s == L_('\0'))
- goto noconv;
-
- /* Check for a sign. */
- if (*s == L_('-'))
- {
- negative = 1;
- ++s;
- }
- else if (*s == L_('+'))
- {
- negative = 0;
- ++s;
- }
- else
- negative = 0;
-
- if (base == 16 && s[0] == L_('0') && TOUPPER (s[1]) == L_('X'))
- s += 2;
-
- /* If BASE is zero, figure it out ourselves. */
- if (base == 0)
- if (*s == L_('0'))
- {
- if (TOUPPER (s[1]) == L_('X'))
- {
- s += 2;
- base = 16;
- }
- else
- base = 8;
- }
- else
- base = 10;
-
- /* Save the pointer so we can check later if anything happened. */
- save = s;
-
-#ifdef USE_NUMBER_GROUPING
- if (group)
- {
- /* Find the end of the digit string and check its grouping. */
- end = s;
- for (c = *end; c != L_('\0'); c = *++end)
- if ((wchar_t) c != thousands
- && ((wchar_t) c < L_('0') || (wchar_t) c > L_('9'))
- && (!ISALPHA (c) || (int) (TOUPPER (c) - L_('A') + 10) >= base))
- break;
- if (*s == thousands)
- end = s;
- else
- end = correctly_grouped_prefix (s, end, thousands, grouping);
- }
- else
-#endif
- end = NULL;
-
- cutoff = ULONG_MAX / (unsigned LONG int) base;
- cutlim = ULONG_MAX % (unsigned LONG int) base;
-
- overflow = 0;
- i = 0;
- for (c = *s; c != L_('\0'); c = *++s)
- {
- if (s == end)
- break;
- if (c >= L_('0') && c <= L_('9'))
- c -= L_('0');
- 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
- {
- 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) (LONG_MIN + 1)) + 1
- : (unsigned LONG int) LONG_MAX))
- overflow = 1;
-#endif
-
- if (overflow)
- {
- __set_errno (ERANGE);
-#if UNSIGNED
- return ULONG_MAX;
-#else
- return negative ? LONG_MIN : LONG_MAX;
-#endif
- }
-
- /* Return the result of the appropriate sign. */
- return (negative ? -i : i);
+ return INTERNAL (__strtol_l) (nptr, endptr, base, group, _NL_CURRENT_LOCALE);
+}
+libc_hidden_def (INTERNAL (strtol))
-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;
-}
-\f
-/* External user entry point. */
INT
-#ifdef weak_function
-weak_function
-#endif
strtol (nptr, endptr, base)
const STRING_TYPE *nptr;
STRING_TYPE **endptr;
int base;
{
- return INTERNAL (strtol) (nptr, endptr, base, 0);
+ return INTERNAL (__strtol_l) (nptr, endptr, base, 0, _NL_CURRENT_LOCALE);
}
+libc_hidden_def (strtol)
projects / thirdparty / glibc.git / blobdiff