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.
	

8 files changed, 91 insertions, 25 deletions

diff --git a/nss/db-Makefile b/nss/db-Makefile
index c10267c..b3f1ed4 100644
--- a/nss/db-Makefile
+++ b/nss/db-Makefile
@@ -1,5 +1,5 @@
 # Makefile to (re-)generate db versions of system database files.
-# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 # Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 #
@@ -34,8 +34,7 @@ $(VAR_DB)/passwd.db: /etc/passwd
 	@$(AWK) 'BEGIN { FS=":"; OFS=":"; cnt=0 } \
 		 { printf "0%u ", cnt++; print } \
 		 /^[^#]/ { printf ".%s ", $$1; print; \
-			   if (!uids[$$3]++) \
-			     { printf "=%s ", $$3; print } }' $^ | \
+			   printf "=%s ", $$3; print }' $^ | \
 	$(MAKEDB) -o $@ -
 	@echo "done."
 
diff --git a/nss/nss_db/db-XXX.c b/nss/nss_db/db-XXX.c
index 4d20cae..1340b77 100644
--- a/nss/nss_db/db-XXX.c
+++ b/nss/nss_db/db-XXX.c
@@ -149,6 +149,7 @@ static enum nss_status
 lookup (const DBT *key, struct STRUCTURE *result,
 	void *buffer, size_t buflen, int *errnop H_ERRNO_PROTO)
 {
+  char *p;
   enum nss_status status;
   int err;
   DBT value;
@@ -156,15 +157,59 @@ lookup (const DBT *key, struct STRUCTURE *result,
   /* Open the database.  */
   status = internal_setent (keep_db);
   if (status != NSS_STATUS_SUCCESS)
-    return status;
+    {
+      *errnop = errno;
+      H_ERRNO_SET (NETDB_INTERNAL);
+      return status;
+    }
 
   /* Succeed iff it matches a value that parses correctly.  */
-  err = ((*db->get) (db, key, &value, 0) == 0 &&
-	 parse_line (value.data, result, buffer, buflen, errnop));
-  if (err == 0)
-    status = NSS_STATUS_SUCCESS;
+  err = (*db->get) (db, key, &value, 0);
+  if (err < 0)
+    {
+      *errnop = errno;
+      H_ERRNO_SET (NETDB_INTERNAL);
+      status = NSS_STATUS_UNAVAIL;
+    }
+  else if (err != 0)
+    {
+      H_ERRNO_SET (HOST_NOT_FOUND);
+      status = NSS_STATUS_NOTFOUND;
+    }
   else
-    status = err < 0 ? NSS_STATUS_TRYAGAIN : NSS_STATUS_NOTFOUND;
+    {
+      /* Skip leading blanks.  */
+      p = (char *) value.data;
+      while (isspace (*p))
+	++p;
+
+      err = parse_line (p, result, buffer, buflen, errnop);
+
+      if (err == 0)
+	{
+	  /* If the key begins with '0' we are trying to get the next
+	     entry.  We want to ignore unparsable lines in this case.  */
+	  if (((char *) key->data)[0] == '0')
+	    {
+	      /* Super magical return value.  We need to tell our caller
+		 that it should continue looping.  This value cannot
+		 happen in other cases.  */
+	      status = NSS_STATUS_RETURN;
+	    }
+	  else
+	    {
+	      H_ERRNO_SET (HOST_NOT_FOUND);
+	      status = NSS_STATUS_NOTFOUND;
+	    }
+	}
+      else if (err < 0)
+	{
+	  H_ERRNO_SET (NETDB_INTERNAL);
+	  status = NSS_STATUS_TRYAGAIN;
+	}
+      else
+	status = NSS_STATUS_SUCCESS;
+    }
 
   if (! keep_db)
     internal_endent ();
@@ -196,7 +241,7 @@ _nss_db_get##name##_r (proto,						      \
 {									      \
   DBT key;								      \
   enum nss_status status;						      \
-  const size_t size = (keysize);					      \
+  const size_t size = (keysize) + 1;					      \
   key.data = __alloca (size);						      \
   key.size = KEYPRINTF keypattern;					      \
   __libc_lock_lock (lock);						      \
@@ -221,8 +266,16 @@ CONCAT(_nss_db_get,ENTNAME_r) (struct STRUCTURE *result, char *buffer,
   DBT key;
 
   __libc_lock_lock (lock);
-  key.size = 1 + snprintf (key.data = buf, sizeof buf, "0%u", entidx++);
-  status = lookup (&key, result, buffer, buflen, errnop H_ERRNO_ARG);
+
+  /* Loop until we find a valid entry or hit EOF.  See above for the
+     special meaning of the status value.  */
+  do
+    {
+      key.size = snprintf (key.data = buf, sizeof buf, "0%u", entidx++);
+      status = lookup (&key, result, buffer, buflen, errnop H_ERRNO_ARG);
+    }
+  while (status == NSS_STATUS_RETURN);
+
   __libc_lock_unlock (lock);
 
   return status;
diff --git a/nss/nss_db/db-alias.c b/nss/nss_db/db-alias.c
index 0e72b92..27b7952 100644
--- a/nss/nss_db/db-alias.c
+++ b/nss/nss_db/db-alias.c
@@ -1,5 +1,5 @@
 /* Mail alias file parser in nss_db module.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -221,13 +221,13 @@ enum nss_status
 _nss_db_getaliasent_r (struct aliasent *result, char *buffer, size_t buflen,
 		       int *errnop)
 {
-  /* Return next entry in host file.  */
+  /* Return next entry in alias file.  */
   enum nss_status status;
   char buf[20];
   DBT key;
 
   __libc_lock_lock (lock);
-  key.size = 1 + snprintf (key.data = buf, sizeof buf, "0%u", entidx++);
+  key.size = snprintf (key.data = buf, sizeof buf, "0%u", entidx++);
   status = lookup (&key, result, buffer, buflen, errnop);
   __libc_lock_unlock (lock);
 
diff --git a/nss/nss_files/files-alias.c b/nss/nss_files/files-alias.c
index 733e599..84d771d 100644
--- a/nss/nss_files/files-alias.c
+++ b/nss/nss_files/files-alias.c
@@ -1,5 +1,5 @@
 /* Mail alias file parser in nss_files module.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -200,7 +200,8 @@ get_next_alias (const char *match, struct aliasent *result,
 	     looking for.  If it does not match we simply ignore all
 	     lines until the next line containing the start of a new
 	     alias is found.  */
-	  ignore = match != NULL && strcmp (result->alias_name, match) != 0;
+	  ignore = (match != NULL
+		    && strcasecmp (result->alias_name, match) != 0);
 
 	  while (! ignore)
 	    {
diff --git a/nss/nss_files/files-hosts.c b/nss/nss_files/files-hosts.c
index d6c4152..2379919 100644
--- a/nss/nss_files/files-hosts.c
+++ b/nss/nss_files/files-hosts.c
@@ -1,5 +1,5 @@
 /* Hosts file parser in nss_files module.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998 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
@@ -89,14 +89,14 @@ DB_LOOKUP (hostbyname, ,,
 	     if (result->h_addrtype != ((_res.options & RES_USE_INET6)
 					? AF_INET6 : AF_INET))
 	       continue;
-	     LOOKUP_NAME (h_name, h_aliases)
+	     LOOKUP_NAME_CASE (h_name, h_aliases)
 	   }, const char *name)
 
 DB_LOOKUP (hostbyname2, ,,
 	   {
 	     if (result->h_addrtype != af)
 	       continue;
-	     LOOKUP_NAME (h_name, h_aliases)
+	     LOOKUP_NAME_CASE (h_name, h_aliases)
 	   }, const char *name, int af)
 
 DB_LOOKUP (hostbyaddr, ,,
diff --git a/nss/nss_files/files-network.c b/nss/nss_files/files-network.c
index ac5acd5..8180d46 100644
--- a/nss/nss_files/files-network.c
+++ b/nss/nss_files/files-network.c
@@ -1,5 +1,5 @@
 /* Networks file parser in nss_files module.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998 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
@@ -44,7 +44,7 @@ LINE_PARSER
 #include "files-XXX.c"
 
 DB_LOOKUP (netbyname, ,,
-	   LOOKUP_NAME (n_name, n_aliases),
+	   LOOKUP_NAME_CASE (n_name, n_aliases),
 	   const char *name)
 
 DB_LOOKUP (netbyaddr, ,,
diff --git a/nss/nss_files/files-parse.c b/nss/nss_files/files-parse.c
index 76df1c6..198b359 100644
--- a/nss/nss_files/files-parse.c
+++ b/nss/nss_files/files-parse.c
@@ -1,5 +1,5 @@
 /* Common code for file-based database parsers in nss_files module.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998 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
@@ -232,6 +232,18 @@ parse_list (char *line, struct parser_data *data, size_t datalen, int *errnop)
     break;								      \
 }
 
+#define LOOKUP_NAME_CASE(nameelt, aliaselt)				      \
+{									      \
+  char **ap;								      \
+  if (! strcasecmp (name, result->nameelt))				      \
+    break;								      \
+  for (ap = result->aliaselt; *ap; ++ap)				      \
+    if (! strcasecmp (name, *ap))					      \
+      break;								      \
+  if (*ap)								      \
+    break;								      \
+}
+
 
 /* This is defined by db-*.c to include "../nss_db/db-XXX.c" instead.  */
 #ifndef GENERIC
diff --git a/nss/nss_files/files-service.c b/nss/nss_files/files-service.c
index 317b4fa..186b8a2 100644
--- a/nss/nss_files/files-service.c
+++ b/nss/nss_files/files-service.c
@@ -39,7 +39,8 @@ LINE_PARSER
 
 #include GENERIC
 
-DB_LOOKUP (servbyname, 1 + strlen (name), (".%s/%s", name, proto),
+DB_LOOKUP (servbyname, 2 + strlen (name) + strlen (proto),
+	   (".%s/%s", name, proto),
 	   {
 	     /* Must match both protocol (if specified) and name.  */
 	     if (proto != NULL && strcmp (result->s_proto, proto))
@@ -48,7 +49,7 @@ DB_LOOKUP (servbyname, 1 + strlen (name), (".%s/%s", name, proto),
 	   },
 	   const char *name, const char *proto)
 
-DB_LOOKUP (servbyport, 20, ("=%d/%s", port, proto),
+DB_LOOKUP (servbyport, 21 + strlen (proto), ("=%d/%s", port, proto),
 	   {
 	     /* Must match both port and protocol.  */
 	     if (result->s_port == port