2.5-18.1

1 files changed, 564 insertions, 0 deletions

diff --git a/stdlib/strtol_l.c b/stdlib/strtol_l.c
new file mode 100644
index 0000000000..e02a2747d0
--- /dev/null
+++ b/stdlib/strtol_l.c
@@ -0,0 +1,564 @@
+/* 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)