/* Convert string representation of a number into an integer value.
- Copyright (C) 1991,92,94,95,96,97,98,99,2000 Free Software Foundation, Inc.
- NOTE: The canonical source of this file is maintained with the GNU C Library.
- Bugs can be reported to bug-glibc@gnu.org.
+ Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2003
+ Free Software Foundation, Inc.
+
+ 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 free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
GNU General Public License for more details.
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. */
+ along with this program; 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>
#ifdef _LIBC
# define USE_NUMBER_GROUPING
-# define STDC_HEADERS
-# define HAVE_LIMITS_H
#endif
#include <ctype.h>
# 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
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
#ifdef USE_NUMBER_GROUPING
# include "../locale/localeinfo.h"
# define STRTOL_LONG_MIN LONG_LONG_MIN
# define STRTOL_LONG_MAX LONG_LONG_MAX
# define STRTOL_ULONG_MAX ULONG_LONG_MAX
+
+/* The extra casts work around common compiler bugs,
+ e.g. Cray C 5.0.3.0 when t == time_t. */
+# ifndef TYPE_SIGNED
+# define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
+# endif
+# ifndef TYPE_MINIMUM
+# define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \
+ ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) \
+ : (t) 0))
+# endif
+# ifndef TYPE_MAXIMUM
+# define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t)))
+# endif
+
+# ifndef ULONG_LONG_MAX
+# define ULONG_LONG_MAX TYPE_MAXIMUM (unsigned long long)
+# endif
+# ifndef LONG_LONG_MAX
+# define LONG_LONG_MAX TYPE_MAXIMUM (long long int)
+# endif
+# ifndef LONG_LONG_MIN
+# define LONG_LONG_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;
# 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
# define STRTOL_LONG_MIN LONG_MIN
# define STRTOL_LONG_MAX LONG_MAX
# define STRTOL_ULONG_MAX ULONG_MAX
# define _NL_CURRENT(category, item) \
(current->values[_NL_ITEM_INDEX (item)].string)
# define LOCALE_PARAM , loc
-# define LOCALE_PARAM_DECL __locale_t loc;
+# define LOCALE_PARAM_PROTO , __locale_t loc
#else
# define LOCALE_PARAM
-# define LOCALE_PARAM_DECL
+# define LOCALE_PARAM_PROTO
#endif
#if defined _LIBC || defined HAVE_WCHAR_H
# define ISALPHA(Ch) iswalpha (Ch)
# define TOUPPER(Ch) towupper (Ch)
# endif
+#else
+# if defined STDC_HEADERS || (!defined isascii && !defined HAVE_ISASCII)
+# define IN_CTYPE_DOMAIN(c) 1
# else
-# if 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 IN_CTYPE_DOMAIN(c) isascii(c)
+# endif
+# define L_(Ch) Ch
+# define UCHAR_TYPE unsigned char
+# define STRING_TYPE char
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
# define ISSPACE(Ch) __isspace_l ((Ch), loc)
# define ISALPHA(Ch) __isalpha_l ((Ch), loc)
# endif
#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
+#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. */
one converted is stored in *ENDPTR. */
INT
-INTERNAL (strtol) (nptr, endptr, base, group LOCALE_PARAM)
- const STRING_TYPE *nptr;
- STRING_TYPE **endptr;
- int base;
- int group;
- LOCALE_PARAM_DECL
+INTERNAL (strtol) (const STRING_TYPE *nptr, STRING_TYPE **endptr,
+ int base, int group LOCALE_PARAM_PROTO)
{
int negative;
register unsigned LONG int cutoff;
register UCHAR_TYPE c;
const STRING_TYPE *save, *end;
int overflow;
-#if defined USE_NUMBER_GROUPING && !defined USE_WIDE_CHAR
- int cnt;
-#endif
#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. */
-# 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;
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 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
-# ifdef _LIBC
- thousands = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
-# endif
- if (*thousands == '\0')
- {
- thousands = NULL;
- grouping = NULL;
- }
-# endif
}
}
else
save = s;
#ifdef USE_NUMBER_GROUPING
- if (base != 10)
- grouping = NULL;
-
- if (grouping)
+ if (group)
{
-# 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 (((wchar_t) c < L_('0') || (wchar_t) c > L_('9'))
-# ifdef USE_WIDE_CHAR
- && 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;
-
- end = correctly_grouped_prefix (s, end, thousands, grouping);
- }
+ 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
overflow = 0;
i = 0;
- c = *s;
- if (sizeof (long int) != sizeof (LONG int))
+ for (c = *s; c != L_('\0'); c = *++s)
{
- unsigned long int j = 0;
- unsigned long int jmax = ULONG_MAX / base;
-
- for (;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
{
- 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 && 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) base;
+ i += 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 && 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)
\f
/* External user entry point. */
-#if _LIBC - 0 == 0
-# undef PARAMS
-# if defined (__STDC__) && __STDC__
-# define PARAMS(Args) Args
-# else
-# define PARAMS(Args) ()
-# endif
-
-/* Prototype. */
-INT strtol PARAMS ((const STRING_TYPE *nptr, STRING_TYPE **endptr, int base));
-#endif
-
INT
#ifdef weak_function
weak_function
#endif
-strtol (nptr, endptr, base LOCALE_PARAM)
- const STRING_TYPE *nptr;
- STRING_TYPE **endptr;
- int base;
- LOCALE_PARAM_DECL
+strtol (const STRING_TYPE *nptr, STRING_TYPE **endptr,
+ int base LOCALE_PARAM_PROTO)
{
return INTERNAL (strtol) (nptr, endptr, base, 0 LOCALE_PARAM);
}