-/* Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc.
+/* Convert string representation of a number into an integer value.
-NOTE: The canonical source of this file is maintained with the GNU C Library.
-Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+ Copyright (C) 1991-1992, 1994-1999, 2003, 2005-2007, 2009-2014 Free Software
+ Foundation, Inc.
-This program is free software; you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option) any
-later version.
+ NOTE: The canonical source of this file is maintained with the GNU C
+ Library. Bugs can be reported to bug-glibc@gnu.org.
-This program 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 General Public License for more details.
+ This program is free software: you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 3 of the License, or any
+ later version.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-USA. */
+ This program 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 General Public License for more details.
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifdef _LIBC
# define USE_NUMBER_GROUPING
-# define STDC_HEADERS
-# define HAVE_LIMITS_H
+#else
+# include <config.h>
#endif
#include <ctype.h>
#include <errno.h>
-#ifndef errno
-extern int errno;
+#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>
-#else
-# ifndef NULL
-# define NULL 0
-# endif
-#endif
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
#ifdef USE_NUMBER_GROUPING
# include "../locale/localeinfo.h"
#endif
-/* Nonzero if we are defining `strtoul' or `strtouq', operating on
+/* Nonzero if we are defining 'strtoul' or 'strtoull', operating on
unsigned integers. */
#ifndef UNSIGNED
# define UNSIGNED 0
#endif
/* Determine the name. */
-#if UNSIGNED
-# ifdef USE_WIDE_CHAR
-# ifdef QUAD
-# define strtol wcstouq
+#ifdef USE_IN_EXTENDED_LOCALE_MODEL
+# if UNSIGNED
+# ifdef USE_WIDE_CHAR
+# ifdef QUAD
+# define strtol __wcstoull_l
+# else
+# define strtol __wcstoul_l
+# endif
# else
-# define strtol wcstoul
+# ifdef QUAD
+# define strtol __strtoull_l
+# else
+# define strtol __strtoul_l
+# endif
# endif
# else
-# ifdef QUAD
-# define strtol strtouq
+# ifdef USE_WIDE_CHAR
+# ifdef QUAD
+# define strtol __wcstoll_l
+# else
+# define strtol __wcstol_l
+# endif
# else
-# define strtol strtoul
+# ifdef QUAD
+# define strtol __strtoll_l
+# else
+# define strtol __strtol_l
+# endif
# endif
# endif
#else
-# ifdef USE_WIDE_CHAR
-# ifdef QUAD
-# define strtol wcstoq
+# if UNSIGNED
+# ifdef USE_WIDE_CHAR
+# ifdef QUAD
+# define strtol wcstoull
+# else
+# define strtol wcstoul
+# endif
# else
-# define strtol wcstol
+# ifdef QUAD
+# define strtol strtoull
+# else
+# define strtol strtoul
+# endif
# endif
# else
-# ifdef QUAD
-# define strtol strtoq
+# ifdef USE_WIDE_CHAR
+# ifdef QUAD
+# define strtol wcstoll
+# else
+# define strtol wcstol
+# endif
+# else
+# ifdef QUAD
+# define strtol strtoll
+# endif
# endif
# endif
#endif
-/* If QUAD is defined, we are defining `strtoq' or `strtouq',
- operating on `long long int's. */
+/* 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
+# define STRTOL_LONG_MIN LLONG_MIN
+# define STRTOL_LONG_MAX LLONG_MAX
+# define STRTOL_ULONG_MAX ULLONG_MAX
+
+/* The extra casts in the following macros work around compiler bugs,
+ e.g., in Cray C 5.0.3.0. */
+
+/* True if negative values of the signed integer type T use two's
+ complement, ones' complement, or signed magnitude representation,
+ respectively. Much GNU code assumes two's complement, but some
+ people like to be portable to all possible C hosts. */
+# define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1)
+# define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0)
+# define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1)
+
+/* True if the arithmetic type T is signed. */
+# define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
+
+/* The maximum and minimum values for the integer type T. These
+ macros have undefined behavior if T is signed and has padding bits.
+ If this is a problem for you, please let us know how to fix it for
+ your host. */
+# define TYPE_MINIMUM(t) \
+ ((t) (! TYPE_SIGNED (t) \
+ ? (t) 0 \
+ : TYPE_SIGNED_MAGNITUDE (t) \
+ ? ~ (t) 0 \
+ : ~ TYPE_MAXIMUM (t)))
+# define TYPE_MAXIMUM(t) \
+ ((t) (! TYPE_SIGNED (t) \
+ ? (t) -1 \
+ : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1)))
+
+# ifndef ULLONG_MAX
+# define ULLONG_MAX TYPE_MAXIMUM (unsigned long long)
+# endif
+# ifndef LLONG_MAX
+# define LLONG_MAX TYPE_MAXIMUM (long long int)
+# endif
+# ifndef LLONG_MIN
+# define LLONG_MIN TYPE_MINIMUM (long long int)
+# endif
+
# 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
+ static const unsigned long long int maxquad = ULLONG_MAX;
+# undef STRTOL_ULONG_MAX
+# define STRTOL_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))
+# define STRTOL_LONG_MIN LONG_MIN
+# define STRTOL_LONG_MAX LONG_MAX
+# define STRTOL_ULONG_MAX ULONG_MAX
#endif
+
+
+/* We use this code also 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
+ macro. */
+#ifdef USE_IN_EXTENDED_LOCALE_MODEL
+# undef _NL_CURRENT
+# define _NL_CURRENT(category, item) \
+ (current->values[_NL_ITEM_INDEX (item)].string)
+# define LOCALE_PARAM , loc
+# define LOCALE_PARAM_PROTO , __locale_t loc
+#else
+# define LOCALE_PARAM
+# define LOCALE_PARAM_PROTO
#endif
#ifdef USE_WIDE_CHAR
# include <wchar.h>
# include <wctype.h>
-# define L_(ch) L##ch
+# 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)
+# ifdef USE_IN_EXTENDED_LOCALE_MODEL
+# define ISSPACE(Ch) __iswspace_l ((Ch), loc)
+# define ISALPHA(Ch) __iswalpha_l ((Ch), loc)
+# define TOUPPER(Ch) __towupper_l ((Ch), loc)
+# else
+# define ISSPACE(Ch) iswspace (Ch)
+# define ISALPHA(Ch) iswalpha (Ch)
+# define TOUPPER(Ch) towupper (Ch)
+# endif
#else
-# define L_(ch) ch
+# 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)
+# ifdef USE_IN_EXTENDED_LOCALE_MODEL
+# define ISSPACE(Ch) __isspace_l ((Ch), loc)
+# define ISALPHA(Ch) __isalpha_l ((Ch), loc)
+# define TOUPPER(Ch) __toupper_l ((Ch), loc)
+# else
+# define ISSPACE(Ch) isspace (Ch)
+# define ISALPHA(Ch) isalpha (Ch)
+# define TOUPPER(Ch) toupper (Ch)
+# endif
#endif
-#ifdef __STDC__
-# define INTERNAL(x) INTERNAL1(x)
-# define INTERNAL1(x) __##x##_internal
-# define WEAKNAME(x) WEAKNAME1(x)
-# define WEAKNAME1(x) __##x
-#else
-# define INTERNAL(x) __/**/x/**/_internal
-# define WEAKNAME(x) __/**/x
-#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. */
#endif
-/* Convert NPTR to an `unsigned long int' or `long int' in base BASE.
+
+/* 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.
one converted is stored in *ENDPTR. */
INT
-INTERNAL (strtol) (nptr, endptr, base, group)
- const STRING_TYPE *nptr;
- STRING_TYPE **endptr;
- int base;
- int group;
+INTERNAL (strtol) (const STRING_TYPE *nptr, STRING_TYPE **endptr,
+ int base, int group LOCALE_PARAM_PROTO)
{
int negative;
register unsigned LONG int cutoff;
int overflow;
#ifdef USE_NUMBER_GROUPING
+# ifdef USE_IN_EXTENDED_LOCALE_MODEL
+ struct locale_data *current = loc->__locales[LC_NUMERIC];
+# endif
/* The thousands character of the current locale. */
- wchar_t thousands;
+ wchar_t thousands = L'\0';
/* The numeric grouping specification of the current locale,
in the format described in <locale.h>. */
const char *grouping;
{
grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
if (*grouping <= 0 || *grouping == CHAR_MAX)
- grouping = NULL;
+ 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;
- }
+ {
+ /* Figure out the thousands separator character. */
+# if defined _LIBC || defined _HAVE_BTOWC
+ thousands = __btowc (*_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP));
+ if (thousands == WEOF)
+ thousands = L'\0';
+# endif
+ if (thousands == L'\0')
+ grouping = NULL;
+ }
}
else
grouping = NULL;
#endif
if (base < 0 || base == 1 || base > 36)
- base = 10;
+ {
+ __set_errno (EINVAL);
+ return 0;
+ }
save = s = nptr;
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;
+ /* 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;
/* Find the end of the digit string and check its grouping. */
end = s;
for (c = *end; c != L_('\0'); c = *++end)
- if (c != thousands && (c < L_('0') || c > L_('9'))
- && (!ISALPHA (c) || TOUPPER (c) - L_('A') + 10 >= base))
- break;
+ 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;
+ end = s;
else
- end = correctly_grouped_prefix (s, end, thousands, grouping);
+ 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;
+ cutoff = STRTOL_ULONG_MAX / (unsigned LONG int) base;
+ cutlim = STRTOL_ULONG_MAX % (unsigned LONG int) base;
overflow = 0;
i = 0;
for (c = *s; c != L_('\0'); c = *++s)
{
if (s == end)
- break;
+ break;
if (c >= L_('0') && c <= L_('9'))
- c -= L_('0');
+ c -= L_('0');
else if (ISALPHA (c))
- c = TOUPPER (c) - L_('A') + 10;
+ c = TOUPPER (c) - L_('A') + 10;
else
- break;
- if (c >= base)
- break;
+ break;
+ if ((int) c >= base)
+ break;
/* Check for overflow. */
if (i > cutoff || (i == cutoff && c > cutlim))
- overflow = 1;
+ overflow = 1;
else
- {
- i *= (unsigned LONG int) base;
- i += c;
- }
+ {
+ i *= (unsigned LONG int) base;
+ i += c;
+ }
}
/* Check if anything actually happened. */
#if !UNSIGNED
/* Check for a value that is within the range of
- `unsigned LONG int', but outside the range of `LONG int'. */
+ '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))
+ ? -((unsigned LONG int) (STRTOL_LONG_MIN + 1)) + 1
+ : (unsigned LONG int) STRTOL_LONG_MAX))
overflow = 1;
#endif
if (overflow)
{
- errno = ERANGE;
+ __set_errno (ERANGE);
#if UNSIGNED
- return ULONG_MAX;
+ return STRTOL_ULONG_MAX;
#else
- return negative ? LONG_MIN : LONG_MAX;
+ return negative ? STRTOL_LONG_MIN : STRTOL_LONG_MAX;
#endif
}
/* Return the result of the appropriate sign. */
- return (negative ? -i : i);
+ return negative ? -i : i;
noconv:
/* We must handle a special case here: the base is 0 or 16 and the
- first two characters and '0' and 'x', but the rest are no
+ 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`. */
+ 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;
+ {
+ 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. */
-/* Prototype. */
-INT WEAKNAME (strtol) __P ((const STRING_TYPE *nptr, STRING_TYPE **endptr,
- int base));
-
INT
-WEAKNAME (strtol) (nptr, endptr, base)
- const STRING_TYPE *nptr;
- STRING_TYPE **endptr;
- int base;
+#ifdef weak_function
+weak_function
+#endif
+strtol (const STRING_TYPE *nptr, STRING_TYPE **endptr,
+ int base LOCALE_PARAM_PROTO)
{
- return INTERNAL (strtol) (nptr, endptr, base, 0);
+ return INTERNAL (strtol) (nptr, endptr, base, 0 LOCALE_PARAM);
}
-
-#ifdef weak_alias
-/* We need this indirection when `strtol' is defined as a macro
- for one of the other names. */
-#define weak1(x, y) weak_alias (x, y)
-weak1 (WEAKNAME (strtol), strtol)
-#endif
projects / gnulib.git / blobdiff