Update.cvs/libc-ud-980122

1998-01-22 00:55  Ulrich Drepper  <drepper@happy.cygnus.com>

	* libc.map: Add __libc_uid, __libc_pid, __syscall_rt_sigqueueinfo,
	__pread64, __pwrite64, and __getpid.

	* libc/rt/aio_misc.c: Use pread and pwrite instead of __ protected
	versions.

1998-01-06  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Define the
	cancelable socket functions as __libc_xxx with __xxx as weak
	alias.
	* sysdeps/unix/sysv/linux/mips/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.

	* sysdeps/unix/sysv/linux/m68k/socket.S: Allow __socket to be
	redefined.
	* sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/arm/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/socket.S: Likewise.

	* sysdeps/unix/sysv/linux/accept.S: Make __libc_xxx the main name
	and __xxx a weak alias.
	* sysdeps/unix/sysv/linux/connect.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.

1998-01-21  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* locale/langinfo.h: Add defines.

	* dirent/dirent.h: Add defines for DT_*, check also for
	_DIRENT_HAVE_D_TYPE.
	Suggested by Roland McGrath.

1998-01-16  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/netinet/ip_fw.h:
	Update from Linux 2.1.73+79.

	* README.template: Update information about possible
	configurations.

	* manual/mbyte.texi (Wide String Conversion): Fix declaration of
	wcstombs. Pointed out by Jochen Voss <voss@mathematik.uni-kl.de>.
	[PR libc/417].

	* manual/time.texi (Priority): Correct description of
	PRIO_MAX. Pointed out by Jochen Voss <voss@mathematik.uni-kl.de>.
	[PR libc/416].

11998-01-21 21:34  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/alpha/fpu/bits/mathdef.h: Add definition of FP_ILOGB0 and
	FP_ILOGNAN.   Patch by a sun <asun@zoology.washington.edu>.

1998-01-21 17:53  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/_strerror.c: Handle BUFLEN == 0.  Reported by
	Andreas Jaeger.

1998-01-20 18:13  Ulrich Drepper  <drepper@cygnus.com>

	* locale/programs/ld-collate.c: Little optimizations.

	* stdio-common/xbug.c: Unset LD_LIBRRARY_PATH variable.

	* string/Makefile (tests): Add tst-inlcall.
	* string/tst-inlcall.c: New file.

	* string/strsignal.c: Add support for real-time signals.

	* sysdeps/generic/_strerror.c: Fix Handling of unknown error in
	presense of small buffer.

	* sysdeps/i386/bits/string.h: Define _HAVE_STRING_ARCH_* macros.

	* sysdeps/i386/i486/bits/string.h: Correct strrchr implementation
	for i686.

	* sysdeps/unix/sysv/linux/siglist.c: Change length of arrays to
	_NSIG + 1.
	
1998-01-02 15:10  Matthias Urlichs   <urlichs@noris.de>

	* Rules: Add explicit rule for dummy.o; at least one library needs
	  it and it isn't autogenerated by the default rules.
	
1997-12-31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* math/libm-test.c: Tweak epsilons.

1997-12-31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* math/test-fenv.c (feenv_nomask_test): Avoid dumping core in the
	child.
	(feenv_mask_test): Likewise.

1998-01-01  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig: Don't export CPPFLAGS.

1998-01-01  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sunrpc/rpc_main.c (parseargs): Use perror to print error
	message.

1998-01-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 
	* nss/nss_db/db-alias.c (_nss_db_getaliasent_r): Don't include
	terminating null in key size.

1998-01-13  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* nss/nss_files/files-service.c: Fix allocation size to include
	length of PROTO.

	* nss/nss_db/db-XXX.c (lookup): Always set errno and h_errno if
	applicable.  Fix return value and error checking.
	(CONCAT(_nss_db_get,ENTNAME_r)): Loop around to skip over
	unparsable lines.
	(DB_LOOKUP): Allocate space for terminating null byte.

	* nss/db-Makefile ($(VAR_DB)/passwd.db): Don't handle duplicate
	uids specially.

	* db2/makedb.c (process_input): Continue processing if a duplicate
	key is encountered.

1998-01-19 15:20  Ulrich Drepper  <drepper@cygnus.com>

	* time/tzfile.h: Updated from tzcode1998b.
	* time/zdump.c: Likewise.
	* time/zic.c: Likewise.
	* time/africa: Update from tzdata1998b.
	* time/antarctica: Likewise.
	* time/asia: Likewise.
	* time/australasia: Likewise.
	* time/etcetera: Likewise.
	* time/europe: Likewise.
	* time/leapseconds: Likewise.
	* time/northamerica: Likewise.
	* time/southamerica: Likewise.
	
1998-01-12  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* nss/nss_files/files-alias.c (get_next_alias): Do mail alias
	lookups ignoring case.
	* nss/nss_files/files-network.c: Do network lookups ignoring
	case.
	* nss/nss_files/files-hosts.c: Do hostname lookups ignoring
	case.
	* nss/nss_files/files-parse.c (LOOKUP_NAME_CASE): New macro for
	case insensitive comparing.
	Patches by Cristian Gafton <gafton@redhat.com>.

1998-01-09  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/net/if.h: Add IFF_*defines.  Suggested
	by Roland McGrath. [PR libc/395]

1998-01-08  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

 	* manual/arith.texi (Parsing of Integers): Correct description of
 	strtoul. Pointed out by Scott Snyder <snyder@fnald0.fnal.gov>.
 	[PR libc/396]

1997-12-30 14:14  Matthias Urlichs  <urlichs@noris.de>

        * misc/lsearch.c (lsearch): Return a pointer to the new element
        if one was "allocated".

1997-12-26  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

        * string/strsignal.c: NSIG is not a valid index into
        _sys_siglist.  Don't zap the last character of the "Unknown
        signal" message.

1998-01-19 15:08  Ulrich Drepper  <drepper@cygnus.com>
	
	* locale/programs/charmap.c (parse_charmap): Correct parsing of
	ellipsis expressions.

	* locale/programs/charset.c (insert_char): Correctly insert value
	of eliipsis expression.
	

1 files changed, 86 insertions, 7 deletions

diff --git a/string/strsignal.c b/string/strsignal.c
index 69629b7..41585dc 100644
--- a/string/strsignal.c
+++ b/string/strsignal.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -18,7 +18,9 @@
 
 #include <signal.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
+#include <bits/libc-lock.h>
 
 
 #ifndef	HAVE_GNU_LD
@@ -27,23 +29,100 @@
 
 /* Defined in siglist.c.  */
 extern const char *const _sys_siglist[];
+static __libc_key_t key;
+
+/* If nonzero the key allocation failed and we should better use a
+   static buffer than fail.  */
+#define BUFFERSIZ	100
+static char local_buf[BUFFERSIZ];
+static char *static_buf;
+
+/* Destructor for the thread-specific data.  */
+static void init (void);
+static void free_key_mem (void *mem);
+static char *getbuffer (void);
 
 
 /* Return a string describing the meaning of the signal number SIGNUM.  */
 char *
 strsignal (int signum)
 {
+  __libc_once_define (static, once);
   const char *desc;
 
-  if (signum < 0 || signum > NSIG || (desc = _sys_siglist[signum]) == NULL)
+  /* If we have not yet initialized the buffer do it now.  */
+  __libc_once (once, init);
+
+  if (
+#ifdef SIGRTMIN
+      (signum >= SIGRTMIN && signum <= SIGRTMAX) ||
+#endif
+      signum < 0 || signum > NSIG || (desc = _sys_siglist[signum]) == NULL)
     {
-      static char buf[512];
-      int len = __snprintf (buf, sizeof buf, _("Unknown signal %d"), signum);
+      char *buffer = getbuffer ();
+      int len = __snprintf (buffer, BUFFERSIZ - 1,
+#ifdef SIGRTMIN
+			    signum >= SIGRTMIN && signum <= SIGRTMAX
+			    ? _("Real-time signal %d") :
+#endif
+			    _("Unknown signal %d"), signum);
       if (len < 0)
-	return NULL;
-      buf[len - 1] = '\0';
-      return buf;
+	buffer = NULL;
+      else
+	buffer[len] = '\0';
+
+      return buffer;
     }
 
   return (char *) _(desc);
 }
+
+
+/* Initialize buffer.  */
+static void
+init (void)
+{
+  if (__libc_key_create (&key, free_key_mem))
+    /* Creating the key failed.  This means something really went
+       wrong.  In any case use a static buffer which is better than
+       nothing.  */
+    static_buf = local_buf;
+}
+
+
+/* Free the thread specific data, this is done if a thread terminates.  */
+static void
+free_key_mem (void *mem)
+{
+  free (mem);
+  __libc_setspecific (key, NULL);
+}
+
+
+/* Return the buffer to be used.  */
+static char *
+getbuffer (void)
+{
+  char *result;
+
+  if (static_buf != NULL)
+    result = static_buf;
+  else
+    {
+      /* We don't use the static buffer and so we have a key.  Use it
+	 to get the thread-specific buffer.  */
+      result = __libc_getspecific (key);
+      if (result == NULL)
+	{
+	  /* No buffer allocated so far.  */
+	  result = malloc (BUFFERSIZ);
+	  if (result == NULL)
+	    /* No more memory available.  We use the static buffer.  */
+	    result = local_buf;
+	  else
+	    __libc_setspecific (key, result);
+	}
+    }
+
+  return result;
+}