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Portability changes from Uli Drepper. [!STDC_HEADERS && !defined(NULL)] Define NULL.

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This commit is contained in:
Jim Meyering 1995-07-17 13:34:12 +00:00
parent 787429e3f0
commit e09675ddfb
1 changed files with 62 additions and 35 deletions
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35
stdlib/strtol.c
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@ -17,13 +17,30 @@ 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. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#ifdef STDC_HEADERS
# include <stddef.h>
# include <stdlib.h>
#include <errno.h>
#include "../locale/localeinfo.h"
#else
# ifndef NULL
# define NULL 0
# endif
#endif
#ifdef _LIBC
# define USE_NUMBER_GROUPING
#endif
#ifdef USE_NUMBER_GROUPING
# include "../locale/localeinfo.h"
#endif
/* Nonzero if we are defining `strtoul' or `strtouq', operating on
unsigned integers. */
@ -60,12 +77,17 @@ static const unsigned long long int maxquad = ULONG_LONG_MAX;
# define LONG long
#endif
#ifdef __STDC__
# define INTERNAL(x) INTERNAL1(x)
# define INTERNAL1(x) __##x##_internal
#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
/* Convert NPTR to an `unsigned long int' or `long int' in base BASE.
@ -91,6 +113,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
const char *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,
@ -114,7 +137,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
}
else
grouping = NULL;
#endif
if (base < 0 || base == 1 || base > 36)
base = 10;
@ -162,6 +185,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
/* 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. */
@ -176,6 +200,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
end = correctly_grouped_prefix (s, end, thousands, grouping);
}
else
#endif
end = NULL;
cutoff = ULONG_MAX / (unsigned LONG int) base;
@ -244,7 +269,9 @@ noconv:
/* External user entry point. */
#ifdef weak_symbol
weak_symbol (strtol)
#endif
INT
strtol (nptr, endptr, base)