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 ')'.

1 files changed, 49 insertions, 26 deletions

diff --git a/argp/argp.h b/argp/argp.h
index 2e20ea67f3..cdb32b799a 100644
--- a/argp/argp.h
+++ b/argp/argp.h
@@ -108,6 +108,15 @@ struct argp_option
    is displayed after all options (and OPTION_DOC entries with a leading `-')
    in the same group.  */
 #define OPTION_DOC		0x8
+
+/* This option shouldn't be included in `long' usage messages (but is still
+   included in help messages).  This is mainly intended for options that are
+   completely documented in an argp's ARGS_DOC field, in which case including
+   the option in the generic usage list would be redundant.  For instance,
+   if ARGS_DOC is "FOO BAR\n-x BLAH", and the `-x' option's purpose is to
+   distinguish these two cases, -x should probably be marked
+   OPTION_NO_USAGE.  */
+#define OPTION_NO_USAGE		0x10
 
 struct argp;			/* fwd declare this type */
 struct argp_state;		/* " */
@@ -126,12 +135,21 @@ typedef error_t (*argp_parser_t)(int key, char *arg, struct argp_state *state);
 /* Special values for the KEY argument to an argument parsing function.
    ARGP_ERR_UNKNOWN should be returned if they aren't understood.
 
-   The sequence of keys to parser calls is either (where opt is a user key):
-       ARGP_KEY_INIT (opt | ARGP_KEY_ARG)... ARGP_KEY_END
-   or  ARGP_KEY_INIT opt... ARGP_KEY_NO_ARGS ARGP_KEY_END
+   The sequence of keys to a parsing function is either (where each
+   uppercased word should be prefixed by `ARGP_KEY_' and opt is a user key):
+
+       INIT opt... NO_ARGS END SUCCESS  -- No non-option arguments at all
+   or  INIT (opt | ARG)... END SUCCESS  -- All non-option args parsed
+   or  INIT (opt | ARG)... SUCCESS      -- Some non-option arg unrecognized
 
-   If an error occurs, then the parser is called with ARGP_KEY_ERR, and no
-   other calls are made.  */
+   The third case is where every parser returned ARGP_KEY_UNKNOWN for an
+   argument, in which case parsing stops at that argument (returning the
+   unparsed arguments to the caller of argp_parse if requested, or stopping
+   with an error message if not).
+
+   If an error occurs (either detected by argp, or because the parsing
+   function returned an error value), then the parser is called with
+   ARGP_KEY_ERROR, and no further calls are made.  */
 
 /* This is not an option at all, but rather a command line argument.  If a
    parser receiving this key returns success, the fact is recorded, and the
@@ -160,12 +178,12 @@ typedef error_t (*argp_parser_t)(int key, char *arg, struct argp_state *state);
    never made, so any cleanup must be done here).  */
 #define ARGP_KEY_ERROR		0x1000005
 
-/* An argp structure contains a set of getopt options declarations, a
-   function to deal with getting one, and an optional pointer to another
-   argp structure.  When actually parsing options, getopt is called with
-   the union of all the argp structures chained together through their
-   CHILD pointers, with conflicts being resolved in favor of the first
-   occurance in the chain.  */
+/* An argp structure contains a set of options declarations, a function to
+   deal with parsing one, documentation string, a possible vector of child
+   argp's, and perhaps a function to filter help output.  When actually
+   parsing options, getopt is called with the union of all the argp
+   structures chained together through their CHILD pointers, with conflicts
+   being resolved in favor of the first occurance in the chain.  */
 struct argp
 {
   /* An array of argp_option structures, terminated by an entry with both
@@ -220,6 +238,9 @@ struct argp
 #define ARGP_KEY_HELP_HEADER	0x2000003 /* Option header string. */
 #define ARGP_KEY_HELP_EXTRA	0x2000004 /* After all other documentation;
 					     TEXT is NULL for this key.  */
+/* Explanatory note emitted when duplicate option arguments have been
+   suppressed.  */
+#define ARGP_KEY_HELP_DUP_ARGS_NOTE 0x2000005 
 
 /* When an argp has a non-zero CHILDREN field, it should point to a vector of
    argp_child structures, each of which describes a subsidiary argp.  */
@@ -373,7 +394,7 @@ extern void (*argp_program_version_hook) __P ((FILE *__stream,
    argp_help if the ARGP_HELP_BUG_ADDR flag is set (as it is by various
    standard help messages), embedded in a sentence that says something like
    `Report bugs to ADDR.'.  */
-extern char *argp_program_bug_address;
+__const extern char *argp_program_bug_address;
 
 /* Flags for argp_help.  */
 #define ARGP_HELP_USAGE		0x01 /* a Usage: message. */
@@ -421,22 +442,22 @@ extern void __argp_help __P ((__const struct argp *__argp, FILE *__stream,
 
 /* Output, if appropriate, a usage message for STATE to STREAM.  FLAGS are
    from the set ARGP_HELP_*.  */
-extern void argp_state_help __P ((struct argp_state *__state, FILE *__stream,
-				  unsigned __flags));
-extern void __argp_state_help __P ((struct argp_state *__state, FILE *__stream,
-				    unsigned __flags));
+extern void argp_state_help __P ((__const struct argp_state *__state,
+				  FILE *__stream, unsigned __flags));
+extern void __argp_state_help __P ((__const struct argp_state *__state,
+				    FILE *__stream, unsigned __flags));
 
 /* Possibly output the standard usage message for ARGP to stderr and exit.  */
-extern void argp_usage __P ((struct argp_state *__state));
-extern void __argp_usage __P ((struct argp_state *__state));
+extern void argp_usage __P ((__const struct argp_state *__state));
+extern void __argp_usage __P ((__const struct argp_state *__state));
 
 /* If appropriate, print the printf string FMT and following args, preceded
    by the program name and `:', to stderr, and followed by a `Try ... --help'
    message, then exit (1).  */
-extern void argp_error __P ((struct argp_state *__state, __const char *__fmt,
-			     ...))
+extern void argp_error __P ((__const struct argp_state *__state,
+			     __const char *__fmt, ...))
      __attribute__ ((__format__ (__printf__, 2, 3)));
-extern void __argp_error __P ((struct argp_state *__state,
+extern void __argp_error __P ((__const struct argp_state *__state,
 			       __const char *__fmt, ...))
      __attribute__ ((__format__ (__printf__, 2, 3)));
 
@@ -448,11 +469,13 @@ extern void __argp_error __P ((struct argp_state *__state,
    difference between this function and argp_error is that the latter is for
    *parsing errors*, and the former is for other problems that occur during
    parsing but don't reflect a (syntactic) problem with the input.  */
-extern void argp_failure __P ((struct argp_state *__state, int __status,
-			       int __errnum, __const char *__fmt, ...))
+extern void argp_failure __P ((__const struct argp_state *__state,
+			       int __status, int __errnum,
+			       __const char *__fmt, ...))
      __attribute__ ((__format__ (__printf__, 4, 5)));
-extern void __argp_failure __P ((struct argp_state *__state, int __status,
-				 int __errnum, __const char *__fmt, ...))
+extern void __argp_failure __P ((__const struct argp_state *__state,
+				 int __status, int __errnum,
+				 __const char *__fmt, ...))
      __attribute__ ((__format__ (__printf__, 4, 5)));
 
 /* Returns true if the option OPT is a valid short option.  */
@@ -485,7 +508,7 @@ extern void *__argp_input __P ((__const struct argp *argp,
 #endif
 
 ARGP_EI void
-__argp_usage (struct argp_state *__state)
+__argp_usage (__const struct argp_state *__state)
 {
   __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE);
 }