update from main archive 970225cvs/libc-970225

1997-02-24 23:05  Wolfram Gloger  <wmglo@dent.med.uni-muenchen.de>

	* malloc/malloc.c (malloc_get_state): New function.
	Saves global malloc state to an opaque data structure which
	is dynamically allocated in the heap.
	* malloc/malloc.c (malloc_set_state): New function.
	Restore previously obtained state.
	* malloc/malloc.h: Add declaration of malloc_get_state()
	and malloc_set_state().

1997-02-24 23:27  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/s_cbrtl.c: Shift B1_EXP value to right
	position.

1997-02-24 17:38  Ulrich Drepper  <drepper@cygnus.com>

	* misc/error.c: Make error and error_at_line weak aliases of
	__error and __error_at_line respectively.
	Suggested by David Mosberger-Tang <davidm@AZStarNet.COM>.

	* sysdeps/unix/sysv/linux/i386/socket.S: Update copyright.

1997-02-22 11:30  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/ldd.bash.in: Run the program directly, not as argument
	to the dynamic linker, if it contains an interpreter segment.
	* elf/ldd.sh.in: Likewise.

	* elf/rtld.c (dl_main): In verify mode check whether the dynamic
	object contains an interpreter segment and exit with 2 if not.

1997-02-23 01:23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile (distribute): Remove nsswitch.h, netgroup.h, mcheck.h
	and xlocale.h.  Make-dist adds them automagically.

1997-02-22 12:25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* locale/C-time.c (_nl_C_LC_TIME): Add missing entry for
	time-era-num-entries.

1997-02-06 13:49  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* rellns-sh: No need to check for existance of first parameter.

1997-02-24 15:20  Jonathan T. Agnew  <jtagnew@amherst.edu>

	* glibcbug.in: Don't mention destination on MAIL_AGENT command line
	to avoid duplicate mail.

1997-02-24 03:51  Ulrich Drepper  <drepper@cygnus.com>

	* Makefile (distribute): Add isomac.c.
	(tests): Run isomac test.

	* features.h (__USE_ISOC9X): New macro.

	* catgets/catgets.c: Don't use global variable `optind'.  Instead
	use result computed by argp_parse.
	* db/makedb: Likewise.
	* locale/programs/locale.c: Likewise.
	* locale/programs/localedef.c: Likewise.

	* libio/stdio.h: Rewrite.  Make it more readable and add comments.

	* libio/clearerr.c: Remove clearerr_locked alias.
	* libio/feof.c: Remove feof_locked alias.
	* libio/ferror.c: Remove feof_locked alias.
	* libio/fileno.c: Remove fileno_locked alias.
	* libio/fputc.c: Remove fputc_locked alias.
	* libio/getc.c: Remove getc_locked alias.
	* libio/getchar.c: Remove getchar_locked alias.
	* libio/iofflush.c: Remove fflush_locked alias.
	* libio/putc.c: Remove putc_locked alias.
	* libio/putc.c: Remove putchar_locked alias.

	* stdio-common/printf_fp.c: When number is inifinity print INF
	or inf depending on case of specifier.  Same for NaN where NAN
	or nan is printed.  Specified in ISO C 9X.

	* misc/sys/cdefs.h (__restrict): Define to empty string for now.
	* stdio/stdio.h: Add __restrict to prototypes where necessary.
	* libio/stdio.h: Likewise.
	* stdlib/stdlib.h: Likewise.
	* string/string.h: Likewise.
	* time/time.h: Likewise.
	* wcsmbs/wchar.h: Likewise.

	* stdlib/strtod.c: Change to recognize INF, INFINITY, NAN, and
	NAN(...).

	* sysdeps/ieee754/huge_val.h: Define HUGE_VALF and HUGE_VALL instead
	of HUGE_VALf and HUGE_VALL.
	* stdlib/strtof.c (FLOAT_HUGE_VAL): Use standard name HUGE_VALF
	instead of HUGE_VALf.
	* wcsmbs/wcstof.c: Likewise.
	* stdlib/strtold.c (FLOAT_HUGE_VAL): Use standard name HUGE_VALL
	instead of HUGE_VALl.
	* wcsmbs/wcstold.c: Likewise.

	* sysdeps/posix/gai_strerror.c: Use size_t for counter variable to
	avoid warning.

	* wcsmbs/Makefile (routines): Add wcscasecmp and wcsncase.
	* wcsmbs/wchar.h: Add prototypes for wcscasecmp and wcsncase.
	* wcsmbs/wcscasecmp.c: New file.
	* wcsmbs/wcsncase.c: New file.

	* stdlib/strtol.c: Define wide character quad word functions as
	wcstoll and wcstoull and normal versions as strtoll and strtoull.
	* wcsmbs/wchar.h: Add prototypes for wcstoll and wcstoull.
	* wcsmbs/wcstoq: Renamed to wcstoll.c.
	* wcsmbs/wcstouq: Renamed to wcstoull.c.
	* wcsmbs/wcstoll.c: Renamed from wcstoq.c.  Make wcstoq a weak
	alias of wcstoll.
	* wcsmbs/wcstoull.c: Renamed from wcstouq.c.  Make wcstouq a weak
	alias of wcstoull.
	* wcsmbs/Makefile (routines): Replace wcstoq and wcstouq by
	wcstoll and wcstoull respectively.
	* stdlib/strtoq.c: Rename to strtoll.c.
	* stdlib/strtouq.c: Rename to strtoull.c.
	* stdlib/strtoll.c: Renamed from strtoq.c.  Make strtoq a weak
	alias of strtoll.
	* stdlib/strtoll.c: Renamed from strtouq.c.  Make strtouq a weak
	alias of strtoull.
	* stdlib/Makefile (routines): Replace strtoq and strtouq by
	strtoll and strtoull respectively.
	* stdio-common/vfscanf.c: Don't use __strtoq_internal and
	__strtouq_internal but instead __strtoll_internal and
	__strtoull_internal respectively.
	* stdlib/stdlib.h (strtoq): Use __internal_strtoll in inline version.
	(strtouq): Similar with __internal_strtoull.
	* wcsmbs/wchar.h (wcstoq): Use __internal_wcstoll in inline version.
	(wcstouq): Similar with __internal_wcstoull.

1997-02-23 04:38  Ulrich Drepper  <drepper@cygnus.com>

	* stdlib/strtol.c (STRTOL): It is not illegal to parse a minus
	sign in the strtouXX functions.  The results gets simply negated.
	* stdio-common/tstscanf.c: Add testcase for above case.
	* stdlib/tst-strtol.c: Correct tests.

	* manual/stdio-fp.c: New file.  Generate output for example program
	in stdio.texi.

	* stdio-common/Makefile (routines): Add printf_fphex.
	* stdio-common/vfprintf.c: Add handling of %a and %A specifier.
	* stdio-common/printf_fphex.c: New file.  Implement %a and %A
	specifier.

1997-02-22 03:01  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/timebits.h (CLK_TCK): Don't defined if
	__STRICT_ANSI__.

	* math/math.h: Prevent definition of struct exception when using
	C++.

1997-02-22 01:45  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/syscalls.list: Dup takes only one argument.
	Reported by Greg McGary.

1997-02-21 00:22  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-20 01:28  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-19 13:56  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-18 15:39  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-17 10:58  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-15 10:23  Miles Bader  <miles@gnu.ai.mit.edu>
	(mutex_lock, mutex_unlock, mutex_trylock): Defined in terms of
	__mutex_*.
	(mutex_t): Type removed & replaced by new macro.
	(tsd_key_t): Typedef to int instead of pthread_key_t.
	(tsd_key_create, tsd_setspecific, tsd_getspecific): New macros.
	(__pthread_initialize): New macro, work around assumption of pthreads.

	* sysdeps/mach/hurd/i386/init-first.c (__libc_argv, __libc_argc):
	__hurd_sigthread_stack_end, __hurd_sigthread_stack_variables,
	__hurd_threadvar_max, __hurd_threadvar_stack_offset,
	__hurd_threadvar_stack_mask): Variables removed.
1997-02-14 14:07  Miles Bader  <miles@gnu.ai.mit.edu>
	* hurd/hurd.h (_hurd_pids_changed_stamp, _hurd_pids_changed_sync):
1997-02-24 17:06  Geoffrey Keating  <geoffk@discus.anu.edu.au>

	* sysdeps/unix/sysv/linux/accept.S (NARGS): Describe number of
	arguments taken, for sysdeps/unix/sysv/linux/powerpc/socket.S.
	* sysdeps/unix/sysv/linux/bind.S: Likewise.
	* sysdeps/unix/sysv/linux/connect.S: Likewise.
	* sysdeps/unix/sysv/linux/getpeername.S: Likewise.
	* sysdeps/unix/sysv/linux/getsockname.S: Likewise.
	* sysdeps/unix/sysv/linux/getsockopt.S: Likewise.
	* sysdeps/unix/sysv/linux/listen.S: Likewise.
	* sysdeps/unix/sysv/linux/recv.S: Likewise.
	* sysdeps/unix/sysv/linux/recvfrom.S: Likewise.
	* sysdeps/unix/sysv/linux/recvmsg.S: Likewise.
	* sysdeps/unix/sysv/linux/send.S: Likewise.
	* sysdeps/unix/sysv/linux/sendmsg.S: Likewise.
	* sysdeps/unix/sysv/linux/sendto.S: Likewise.
	* sysdeps/unix/sysv/linux/setsockopt.S: Likewise.
	* sysdeps/unix/sysv/linux/shutdown.S: Likewise.
	* sysdeps/unix/sysv/linux/socketpair.S: Likewise.

1997-02-15 04:51  Ulrich Drepper  <drepper@cygnus.com>

1 files changed, 51 insertions, 1 deletions

diff --git a/stdlib/strtod.c b/stdlib/strtod.c
index e5951f0..ed24c08 100644
--- a/stdlib/strtod.c
+++ b/stdlib/strtod.c
@@ -41,18 +41,21 @@
 # define L_(Ch) L##Ch
 # define ISSPACE(Ch) iswspace (Ch)
 # define TOLOWER(Ch) towlower (Ch)
+# define STRNCASECMP(S1, S2, N) __wcsncasecmp ((S1), (S2), (N))
 #else
 # define STRING_TYPE char
 # define CHAR_TYPE char
 # define L_(Ch) Ch
 # define ISSPACE(Ch) isspace (Ch)
 # define TOLOWER(Ch) tolower (Ch)
+# define STRNCASECMP(S1, S2, N) __strncasecmp ((S1), (S2), (N))
 #endif
 /* End of configuration part.  */
 
 #include <ctype.h>
 #include <errno.h>
 #include <float.h>
+#include <ieee754.h>
 #include "../locale/localeinfo.h"
 #include <math.h>
 #include <stdlib.h>
@@ -433,7 +436,54 @@ INTERNAL (STRTOF) (nptr, endptr, group)
      No character is used even if a sign was found.  */
   if ((c < L_('0') || c > L_('9'))
       && ((wint_t) c != decimal || cp[1] < L_('0') || cp[1] > L_('9')))
-    RETURN (0.0, nptr);
+    {
+      int matched = 0;
+      /* Check for `INF' or `INFINITY'.  */
+      if (TOLOWER (c) == L_('i') && ((STRNCASECMP (cp, L_("nf"), 2) == 0
+				      && (matched = 2))
+				     || (STRNCASECMP (cp, L_("nfinity"), 7)
+					 == 0
+					 && (matched = 7))))
+	{
+	  /* Return +/- inifity.  */
+	  if (endptr != NULL)
+	    *endptr = (STRING_TYPE *) (cp + matched);
+
+	  return negative ? -FLOAT_HUGE_VAL : FLOAT_HUGE_VAL;
+	}
+
+      if (TOLOWER (c) == L_('n') && STRNCASECMP (cp, L_("an"), 2) == 0)
+	{
+	  /* Return NaN.  */
+	  if (endptr != NULL)
+	    {
+	      cp += 2;
+
+	      /* Match `(n-char-sequence-digit)'.  */
+	      if (*cp == L_('('))
+		{
+		  const STRING_TYPE *startp = cp;
+		  do
+		    ++cp;
+		  while ((*cp >= '0' && *cp <= '9')
+			 || (TOLOWER (*cp) >= 'a' && TOLOWER (*cp) <= 'z')
+		     || *cp == L_('_'));
+
+		  if (*cp != L_(')'))
+		    /* The closing brace is missing.  Only match the NAN
+		       part.  */
+		    cp = startp;
+		}
+
+	      *endptr = (STRING_TYPE *) cp;
+	    }
+
+	  return NAN;
+	}
+
+      /* It is really a text we do not recognize.  */
+      RETURN (0.0, nptr);
+    }
 
   /* Record the start of the digits, in case we will check their grouping.  */
   start_of_digits = startp = cp;