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authorJim Meyering <jim@meyering.net>1999-04-21 04:27:24 +0000
committerJim Meyering <jim@meyering.net>1999-04-21 04:27:24 +0000
commit3354e7502c4cf64791cf3a901b5d99f6aaf90c58 (patch)
tree29805aaac0a5974efb486e48e73e53d10c206e8d /lib/strtol.c
parent64bae48df6b1d394e4ef4661c807a6c943f5adab (diff)
downloadcoreutils-3354e7502c4cf64791cf3a901b5d99f6aaf90c58.tar.xz
Update to glibc 2.1.1 version.
Diffstat (limited to 'lib/strtol.c')
-rw-r--r--lib/strtol.c223
1 files changed, 145 insertions, 78 deletions
diff --git a/lib/strtol.c b/lib/strtol.c
index 6d5f4ac4d..5b9546792 100644
--- a/lib/strtol.c
+++ b/lib/strtol.c
@@ -1,7 +1,7 @@
-/* strtol - Convert string representation of a number into an integer value.
- Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
+/* Convert string representation of a number into an integer value.
+ Copyright (C) 1991, 92, 94, 95, 96, 97, 98 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@prep.ai.mit.edu.
+ 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
@@ -54,7 +54,7 @@ extern int errno;
# 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
@@ -64,72 +64,129 @@ extern int errno;
#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',
+/* 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 LONG_LONG_MIN
+# define STRTOL_LONG_MAX LONG_LONG_MAX
+# define STRTOL_ULONG_MAX ULONG_LONG_MAX
# 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
+# 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)
+# 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
#endif
-#ifndef LONG_MAX
-# define LONG_MAX ((long int) (ULONG_MAX >> 1))
+
+
+/* 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_DECL __locale_t loc;
+#else
+# define LOCALE_PARAM
+# define LOCALE_PARAM_DECL
#endif
+
+#if defined _LIBC || defined HAVE_WCHAR_H
+# include <wchar.h>
#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)
+# 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
-# if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
+# if defined STDC_HEADERS || (!defined isascii && !defined HAVE_ISASCII)
# define IN_CTYPE_DOMAIN(c) 1
# else
# define IN_CTYPE_DOMAIN(c) isascii(c)
@@ -137,9 +194,15 @@ extern int errno;
# define L_(Ch) Ch
# define UCHAR_TYPE unsigned char
# define STRING_TYPE char
-# define ISSPACE(Ch) (IN_CTYPE_DOMAIN (Ch) && isspace (Ch))
-# define ISALPHA(Ch) (IN_CTYPE_DOMAIN (Ch) && isalpha (Ch))
-# define TOUPPER(Ch) (IN_CTYPE_DOMAIN (Ch) ? toupper (Ch) : (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) (IN_CTYPE_DOMAIN (Ch) && isspace (Ch))
+# define ISALPHA(Ch) (IN_CTYPE_DOMAIN (Ch) && isalpha (Ch))
+# define TOUPPER(Ch) (IN_CTYPE_DOMAIN (Ch) ? toupper (Ch) : (Ch))
+# endif
#endif
#ifdef __STDC__
@@ -156,6 +219,7 @@ extern int errno;
#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.
@@ -164,11 +228,12 @@ extern int errno;
one converted is stored in *ENDPTR. */
INT
-INTERNAL (strtol) (nptr, endptr, base, group)
+INTERNAL (strtol) (nptr, endptr, base, group LOCALE_PARAM)
const STRING_TYPE *nptr;
STRING_TYPE **endptr;
int base;
int group;
+ LOCALE_PARAM_DECL
{
int negative;
register unsigned LONG int cutoff;
@@ -180,8 +245,11 @@ INTERNAL (strtol) (nptr, endptr, base, group)
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;
@@ -194,9 +262,11 @@ INTERNAL (strtol) (nptr, endptr, base, group)
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 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;
}
@@ -233,23 +303,19 @@ INTERNAL (strtol) (nptr, endptr, base, group)
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;
@@ -273,8 +339,8 @@ INTERNAL (strtol) (nptr, endptr, base, group)
#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;
@@ -314,25 +380,23 @@ INTERNAL (strtol) (nptr, endptr, base, group)
`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;
-#else
- overflow |= negative;
#endif
if (overflow)
{
__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
@@ -340,12 +404,14 @@ noconv:
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;
+ {
+ 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;
}
@@ -369,10 +435,11 @@ INT
#ifdef weak_function
weak_function
#endif
-strtol (nptr, endptr, base)
+strtol (nptr, endptr, base LOCALE_PARAM)
const STRING_TYPE *nptr;
STRING_TYPE **endptr;
int base;
+ LOCALE_PARAM_DECL
{
- return INTERNAL (strtol) (nptr, endptr, base, 0);
+ return INTERNAL (strtol) (nptr, endptr, base, 0 LOCALE_PARAM);
}