update from main archive 970221 cvs/libc-970223 cvs/libc-970222

1997-02-22 00:17  Ulrich Drepper  <drepper@cygnus.com>

	* catgets/gencat.c: Change to use argp.
	* db/makedb: Likewise.
	* locale/programs/localedef.c: Likewise.

	* locale/programs/locale.c: Little adjustment for better usage of
	argp.

1997-02-20 20:07  Greg McGary  <gkm@eng.ascend.com>

	* Makeconfig: Add rules for libc with bounded pointers.
	* Makerules: Likewise.
	* config.make.in: Likewise.
	* configure.in: Likewise.

1997-02-21 10:41  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp.h (OPTION_NO_USAGE): New macro.
	* argp-help.c (usage_long_opt, usage_argful_short_opt,
	add_argless_short_opt): Implement OPTION_NO_USAGE.

1997-02-20 16:41  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* malloc/obstack.h: Fix typo.

1997-02-20 15:56  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp-fmtstream.c (__argp_fmtstream_update): Account for case
	where NEXTLINE points one past the end of the active buffer.

	* argp-help.c <stddef.h>: New include.
	(__argp_failure): Only exit if STATE says it's ok.
	(print_header, hol_entry_help): Use UPARAMS fields rather than
	constants.
	(_help): Call fill_in_uparams if necessary.
	(struct hol_help_state): New type.
	(struct pentry_state): Add hhstate field.  Remove prev_entry &
	sep_groups fields.
	(hol_entry_help): Add HHSTATE parameter.  Remove prev_entry &
	sep_groups parameters.
	Suppress duplicate arguments if requested, and note the fact.
	(print_header, comma): Use PEST->hhstate fields.
	(hol_help): Add HHSTATE variable & pass to hol_entry_help.
	Remove LAST_ENTRY & SEP_GROUPS variables.
	If any suplicate arguments were suppressed, print explanatory note.
	(filter_doc): Replace PEST parameter with STATE.
	(struct uparams): New type.
	(uparams): New variable.
	(struct uparam_name): New type.
	(uparam_names): New variable.
	(fill_in_uparams): New function.
	(__argp_failure, __argp_error, __argp_state_help): Make STATE
	parameter const.
	* argp.h (argp_state_help, __argp_state_help, argp_usage,
	__argp_usage, argp_error, __argp_error, argp_failure,
	__argp_failure): Make STATE parameter const.
	(ARGP_KEY_HELP_DUP_ARGS_NOTE): New macro.

	* argp.h (argp_program_bug_address): Make const.

1997-02-20 19:20  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/mman/syscalls.list: Explain msync interface.

1997-02-19 01:37  Erik Troan  <ewt@redhat.com>

	* shadow/sgetspent_r.c: Accept empty third, fourth and fifth fields.

1997-02-20 14:44  Andreas Jaeger  <aj@arthur.pfalz.de>

	* stdio-common/test-fseek.c: Remove temporary file, add
	copyright.

1997-02-20 17:51  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/netinet/in.h: Protect contents using
	__BEGIN/END_DECLS.  Reported by a sun <asun@zoology.washington.edu>.

	* inet/net/ethernet.h: Move to sysdeps/unix/sysv/linux/net.
	* inet/Makefile (headers): Remove net/ethernet.h.
	* sysdeps/unix/sysv/linux/Makefile: Install net/ethernet.h.
	* sysdeps/unix/sysv/linux/Dist: Distribute net/ethernet.h.

1997-02-20 15:23  Thorsten Kukuk  <kukuk@weber.uni-paderborn.de>

	* nss/nsswitch.c (__nss_configure_lookup): Use correct test when
	searching in sorted array.

1997-02-20 01:24  Philip Blundell  <pjb27@cam.ac.uk>

	* inet/getnameinfo.c: Change to use reentrant getXXbyYY functions
	and protect modification of global data.

1997-02-19 18:48  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp-parse.c (argp_default_parser): Set STATE->name for OPT_PROGNAME.
	(parser_init): Use the basename for PARSER->state.name.
	* argp-help.c (__argp_error, __argp_failure, __argp_state_help):
	Use PROGRAM_INVOCATION_SHORT_NAME instead of PROGRAM_INVOCATION_NAME.

	* argp-parse.c (parser_init): Set PARSER->state.flags.
	Make check whether PARSER has the prog name in argv[0] at the
	proper place.

1997-02-19 23:34  Ulrich Drepper  <drepper@cygnus.com>

	* locale/programs/ld-time.c (time_finish): t_fmt_ampm is optional.
	Use default value instead of printing a warning.

	* nss/XXX-lookup.c: Add misssing explanation.

1997-02-19 19:14  Andreas Jaeger  <aj@arthur.pfalz.de>

	* inet/in6_addr.c: Add missing braces.

	* inet/getnameinfo.c: Include <arpa/inet.h>.

	* sysdeps/posix/getaddrinfo.c: Include <arpa/inet.h>.

1997-02-19 11:46  Ulrich Drepper  <drepper@cygnus.com>

	* string/strxfrm.c (STRCOLL): Correct handling of `position'
	levels with no non-IGNOREd element and handling of NUL byte.
	* string/strcoll.c (STRXFRM): Likewise.
	* locale/weight.h: Likewise.

	* shadow/sgetspent_r.c (LINE_PARSER): Add missing ')'.

2 files changed, 37 insertions, 17 deletions

diff --git a/string/strcoll.c b/string/strcoll.c
index e58b74cf51..6b18567e8a 100644
--- a/string/strcoll.c
+++ b/string/strcoll.c
@@ -96,16 +96,18 @@ STRCOLL (s1, s2, l)
       int s1idx = forward ? 0 : s1run->data[pass].number - 1;
       int s2idx = forward ? 0 : s2run->data[pass].number - 1;
 
-      do
+      while (1)
 	{
 	  int s1ignore = 0;
 	  int s2ignore = 0;
-	  u_int32_t w1, w2;
+	  u_int32_t w1 = 0;
+	  u_int32_t w2 = 0;
 
 	  /* Here we have to check for IGNORE entries.  If these are
 	     found we count them and go on with the next value.  */
-	  while ((w1 = s1run->data[pass].value[s1idx])
-		 == (u_int32_t) IGNORE_CHAR)
+	  while (s1run != NULL
+		 && ((w1 = s1run->data[pass].value[s1idx])
+		     == (u_int32_t) IGNORE_CHAR))
 	    {
 	      ++s1ignore;
 	      if ((forward && ++s1idx >= s1run->data[pass].number)
@@ -115,15 +117,19 @@ STRCOLL (s1, s2, l)
 		  if (nextp == NULL)
 		    {
 		      w1 = 0;
-		      break;
+		      /* No more non-INGOREd elements means lowest
+			 possible value.  */
+		      s1ignore = -1;
 		    }
+		  else
+		    s1idx = forward ? 0 : nextp->data[pass].number - 1;
 		  s1run = nextp;
-		  s1idx = forward ? 0 : s1run->data[pass].number - 1;
 		}
 	    }
 
-	  while ((w2 = s2run->data[pass].value[s2idx])
-		 == (u_int32_t) IGNORE_CHAR)
+	  while (s2run != NULL
+		 && ((w2 = s2run->data[pass].value[s2idx])
+		     == (u_int32_t) IGNORE_CHAR))
 	    {
 	      ++s2ignore;
 	      if ((forward && ++s2idx >= s2run->data[pass].number)
@@ -133,13 +139,20 @@ STRCOLL (s1, s2, l)
 		  if (nextp == NULL)
 		    {
 		      w2 = 0;
-		      break;
+		      /* No more non-INGOREd elements means lowest
+			 possible value.  */
+		      s2ignore = -1;
 		    }
+		  else
+		    s2idx = forward ? 0 : nextp->data[pass].number - 1;
 		  s2run = nextp;
-		  s2idx = forward ? 0 : s2run->data[pass].number - 1;
 		}
 	    }
 
+	  /* If one string is completely processed stop.  */
+	  if (s1run == NULL || s2run == NULL)
+	    break;
+
 	  /* Now we have information of the number of ignored
 	     weights and the value of the next weight.  */
 	  if ((collate_rules[pass] & sort_position) != 0
@@ -179,7 +192,6 @@ STRCOLL (s1, s2, l)
 	      }
 
 	}
-      while (s1run != NULL && s2run != NULL);
 
       if (s1run != s2run)
 	return s1run != NULL ? 1 : -1;
diff --git a/string/strxfrm.c b/string/strxfrm.c
index e22738667c..8222adf435 100644
--- a/string/strxfrm.c
+++ b/string/strxfrm.c
@@ -197,14 +197,16 @@ STRXFRM (STRING_TYPE *dest, const STRING_TYPE *src, size_t n, __locale_t l)
       const weight_t *run = forward ? forw : backw;
       int idx = forward ? 0 : run->data[pass].number - 1;
 
-      do
+      while (1)
 	{
 	  int ignore = 0;
-	  u_int32_t w;
+	  u_int32_t w = 0;
 
 	  /* Here we have to check for IGNORE entries.  If these are
 	     found we count them and go on with he next value.  */
-	  while ((w = run->data[pass].value[idx]) == (u_int32_t) IGNORE_CHAR)
+	  while (run != NULL
+		 && ((w = run->data[pass].value[idx])
+		     == (u_int32_t) IGNORE_CHAR))
 	    {
 	      ++ignore;
 	      if ((forward && ++idx >= run->data[pass].number)
@@ -214,13 +216,20 @@ STRXFRM (STRING_TYPE *dest, const STRING_TYPE *src, size_t n, __locale_t l)
 		  if (nextp == NULL)
 		    {
 		      w = 0;
-		      break;
+		      /* No more non-INGOREd elements means lowest
+			 possible value.  */
+		      ignore = -1;
 		    }
+		  else
+		    idx = forward ? 0 : nextp->data[pass].number - 1;
 		  run = nextp;
-		  idx = forward ? 0 : run->data[pass].number - 1;
 		}
 	    }
 
+	  /* Stop if all characters are processed.  */
+	  if (run == NULL)
+	    break;
+
 	  /* Now we have information of the number of ignored weights
 	     and the value of the next weight.  We have to add 2
 	     because 0 means EOS and 1 is the intermediate string end.  */
@@ -245,7 +254,6 @@ STRXFRM (STRING_TYPE *dest, const STRING_TYPE *src, size_t n, __locale_t l)
 		  idx = run->data[pass].number - 1;
 	      }
 	}
-      while (run != NULL);
 
       /* Write marker for end of word.  */
       if (pass + 1 < collate_nrules)