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authorRoland McGrath <roland@gnu.org>1995-03-16 05:32:45 +0000
committerRoland McGrath <roland@gnu.org>1995-03-16 05:32:45 +0000
commitf0bf9cb92c28c9ec0ac3376d87055e9d14610082 (patch)
treec058250695dd90b4eb5b870620826727d559f925 /stdlib/strtol.c
parent67a3a8ac7fef11753205c69da9df9c4ef30f6076 (diff)
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Thu Mar 16 00:04:41 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* locale/C-ctype.c: New correct data generated by drepper. * Rules: Don't use $(libc.a). Parsing of grouped numbers contributed by Ulrich Drepper. * stdlib/strtol.c (__strtol_internal): Renamed from strtol. Take new flag arg; if nonzero, parse locale-dependent thousands grouping and interpret only the prefix that is correctly grouped. (strtol): Define this to call _strtol_internal with zero for the flag. Use a weak symbol for the definition. * stdlib/strtod.c (strtod, __strtod_internal): Likewise. Check for the exponent of the number overflowing the float format. * stdlib/stdlib.h (__strtof, __strtold): Declarations removed. (__strto{f,d,ld,l,ul,q,uq}_internal): Declare these functions. [__OPTIMIZE__]: Define inline functions calling those. * stdlib/grouping.h: New file, written by drepper. * stdlib/Makefile (distribute): Add grouping.h. * stdio/vfscanf.c: Grok %' modifier to numeric conversions. Call __strtoX_internal with the grouping flag set iff the modifier is present. Wed Mar 15 00:40:54 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * sysdeps/generic/memchr.c: Fix typos: limit.h -> limits.h. * mach/Machrules: Produce static deps for all object flavors. [interface-library]: Remove all these variables and rules. ($(interface-library)-routines): Define this variable. (extra-libs): Append $(interface-library) to this. * mach/Makefile (interface-library): Omit .a suffix. * hurd/Makefile: Likewise. Tue Mar 14 23:40:31 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * stdio/internals.c (flushbuf): If !FLUSH_ONLY, don't skip out early if no new data in buffer after priming. * Makerules (object-suffixes, libtypes): Move all these variables to Makeconfig. * Makeconfig (object-suffixes, libtypes): Moved here from Makerules. * Makerules (build-extra-lib): New canned sequence. * sysdeps/mach/hurd/euidaccess.c: Include fcntl.h. Declare ERR; fix uses of FILE and PORT. Remove bogus weak alias for `access'. * sysdeps/mach/hurd/dirfd.c: Include hurd/fd.h and errno.h. Add missing semicolon. * sysdeps/mach/hurd/opendir.c: Include hurd/fd.h. Use a `struct hurd_fd *' temp var, since DIRP->__fd is a `void *'. * sysdeps/mach/hurd/readdir.c: Include hurd/fd.h. * stdlib/wcstombs.c: #if 0 out code for non-ASCII chars until the locale data format is implemented. * sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): Pass &__sigreturn on the stack to the trampoline code, so it is not position-dependent. * stdio/printf_fp.c (NDEBUG): Define this to disable assert. Don't include <stdarg.h>. (__printf_fp): Last arg ARGS is now `const void **const'; dereference ARGS[0] instead of using va_arg. * locale/setlocale.c: In LC_ALL case, initialize CATEGORY before loop to install data. * locale/loadlocale.c (_nl_category_num_items): Use _NL_ITEM_INDEX to extract number from item code. (_nl_load_locale): Close the descriptor when finished. * malloc/realloc.c (_realloc_internal): Call _malloc_internal in place of malloc. * time/tzfile.c (__tzfile_default): Initialize RULE_STDOFF to zero.
Diffstat (limited to 'stdlib/strtol.c')
-rw-r--r--stdlib/strtol.c87
1 files changed, 76 insertions, 11 deletions
diff --git a/stdlib/strtol.c b/stdlib/strtol.c
index 888a94e4d7..1c63afb6fe 100644
--- a/stdlib/strtol.c
+++ b/stdlib/strtol.c
@@ -22,11 +22,17 @@ Cambridge, MA 02139, USA. */
#include <stddef.h>
#include <stdlib.h>
#include <errno.h>
+#include "../locale/localeinfo.h"
-/* Nonzero if we are defining `strtoul' or `strtouq', operating on unsigned
- integers. */
-#ifndef UNSIGNED
+
+/* Nonzero if we are defining `strtoul' or `strtouq', operating on
+ unsigned integers. */
+#ifndef UNSIGNED
#define UNSIGNED 0
+#define INT LONG int
+#else
+#define strtol strtoul
+#define INT unsigned LONG int
#endif
/* If QUAD is defined, we are defining `strtoq' or `strtouq',
@@ -54,22 +60,27 @@ static const unsigned long long int maxquad = ULONG_LONG_MAX;
#define LONG long
#endif
+
+#define INTERNAL(x) INTERNAL1(x)
+#define INTERNAL1(x) __##x##_internal
+
+/* This file defines a function to check for correct grouping. */
+#include "grouping.h"
+
+
/* 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. */
-#if UNSIGNED
-unsigned LONG int
-#define strtol strtoul
-#else
-LONG int
-#endif
-strtol (nptr, endptr, base)
+
+INT
+INTERNAL (strtol) (nptr, endptr, base, group)
const char *nptr;
char **endptr;
int base;
+ int group;
{
int negative;
register unsigned LONG int cutoff;
@@ -77,9 +88,34 @@ strtol (nptr, endptr, base)
register unsigned LONG int i;
register const char *s;
register unsigned char c;
- const char *save;
+ const char *save, *end;
int overflow;
+ /* The thousands character of the current locale. */
+ wchar_t thousands;
+ /* The numeric grouping specification of the current locale,
+ in the format described in <locale.h>. */
+ const char *grouping;
+
+ if (group)
+ {
+ grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
+ if (*grouping <= 0 || *grouping == CHAR_MAX)
+ grouping = NULL;
+ 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 (thousands == L'\0')
+ grouping = NULL;
+ }
+ }
+ else
+ grouping = NULL;
+
+
if (base < 0 || base == 1 || base > 36)
base = 10;
@@ -126,6 +162,20 @@ strtol (nptr, endptr, base)
/* Save the pointer so we can check later if anything happened. */
save = s;
+ if (group)
+ {
+ /* Find the end of the digit string and check its grouping. */
+ end = s;
+ for (c = *end; c != '\0'; c = *++end)
+ if (c != thousands && !isdigit (c) &&
+ (!isalpha (c) || toupper (c) - 'A' + 10 >= base))
+ break;
+ if (*s == thousands)
+ end = s;
+ else
+ end = correctly_grouped_prefix (s, end, thousands, grouping);
+ }
+
cutoff = ULONG_MAX / (unsigned LONG int) base;
cutlim = ULONG_MAX % (unsigned LONG int) base;
@@ -133,6 +183,8 @@ strtol (nptr, endptr, base)
i = 0;
for (c = *s; c != '\0'; c = *++s)
{
+ if (group && s == end)
+ break;
if (isdigit (c))
c -= '0';
else if (isalpha (c))
@@ -187,3 +239,16 @@ noconv:
*endptr = (char *) nptr;
return 0L;
}
+
+/* External user entry point. */
+
+weak_symbol (strtol)
+
+INT
+strtol (nptr, endptr, base)
+ const char *nptr;
+ char **endptr;
+ int base;
+{
+ return INTERNAL (strtol) (nptr, endptr, base, 0);
+}