#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 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
#ifndef UNSIGNED
# define UNSIGNED 0
# define INT LONG int
#else
# define INT unsigned LONG int
#endif
#if UNSIGNED
# ifdef USE_WIDE_CHAR
# ifdef QUAD
# define strtol wcstouq
# else
# define strtol wcstoul
# endif
# else
# ifdef QUAD
# define strtol strtouq
# else
# define strtol strtoul
# endif
# endif
#else
# ifdef USE_WIDE_CHAR
# ifdef QUAD
# define strtol wcstoq
# else
# define strtol wcstol
# endif
# else
# ifdef QUAD
# define strtol strtoq
# endif
# endif
#endif
#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
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
# include "grouping.h"
#endif
INT
INTERNAL (strtol) (nptr, endptr, base, group)
const STRING_TYPE *nptr;
STRING_TYPE **endptr;
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
wchar_t thousands;
const char *grouping;
if (group)
{
grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
if (*grouping <= 0 || *grouping == CHAR_MAX)
grouping = NULL;
else
{
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)
{
__set_errno (EINVAL);
return 0;
}
save = s = nptr;
while (ISSPACE (*s))
++s;
if (*s == L_('\0'))
goto noconv;
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 == 0)
if (*s == L_('0'))
{
if (TOUPPER (s[1]) == L_('X'))
{
s += 2;
base = 16;
}
else
base = 8;
}
else
base = 10;
save = s;
#ifdef USE_NUMBER_GROUPING
if (group)
{
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;
if (i > cutoff || (i == cutoff && c > cutlim))
overflow = 1;
else
{
i *= (unsigned LONG int) base;
i += c;
}
}
if (s == save)
goto noconv;
if (endptr != NULL)
*endptr = (STRING_TYPE *) s;
#if !UNSIGNED
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 (negative ? -i : i);
noconv:
if (endptr != NULL)
if (save - nptr >= 2 && TOUPPER (save[-1]) == L_('X')
&& save[-2] == L_('0'))
*endptr = (STRING_TYPE *) &save[-1];
else
*endptr = (STRING_TYPE *) nptr;
return 0L;
}
#if _LIBC - 0 == 0
# undef PARAMS
# if defined (__STDC__) && __STDC__
# define PARAMS(Args) Args
# else
# define PARAMS(Args) ()
# endif
INT strtol PARAMS ((const STRING_TYPE *nptr, STRING_TYPE **endptr, int base));
#endif
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);
}