net80211: remove (optional) RSN from preobereq
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Authored by bz on Apr 12 2022, 10:05 PM.

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rG1e80cda00210: net80211: remove (optional) RSN from preobereq
rG892b1874ace0: net80211: remove (optional) RSN from preobereq

Summary

802.11i-2004 did not specify that RSN can be added to the probereq,
only to the proberesp (and others) yet it was added in what seems was
b032f27c365b992e9d8e42214183b39acfb8c6ac (multi-BSS support).
802.11-2020 does not list the IE either for probereq so remove it.

Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Passed

Unit

No Test Coverage

Build Status

Buildable 45137
Build 42025: arc lint + arc unit

Event Timeline

bz created this revision.Apr 12 2022, 10:05 PM

Herald added subscribers: glebius, melifaro, imp. · View Herald TranscriptApr 12 2022, 10:05 PM

bz requested review of this revision.Apr 12 2022, 10:05 PM

Harbormaster completed remote builds in B45137: Diff 104937.Apr 12 2022, 10:05 PM

Any comment on this one?

I think it's okay to remove it. Just make sure it doesn't break adhoc mode 11n rate "negotiation" stuff.

This revision was not accepted when it landed; it landed in state Needs Review.May 17 2022, 10:37 PM

Closed by commit rG892b1874ace0: net80211: remove (optional) RSN from preobereq (authored by bz). · Explain Why

This revision was automatically updated to reflect the committed changes.

bz added a commit: rG892b1874ace0: net80211: remove (optional) RSN from preobereq.

bz added a commit: rG1e80cda00210: net80211: remove (optional) RSN from preobereq.Jun 3 2022, 5:19 PM

Revision Contents
Changeset List

Path

Size

sys/

net80211/

ieee80211_output.c

4 lines

Diff 104937

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sys/net80211/ieee80211_output.c

	Show All 11 Lines
	/*			/*
	** This header is for use ONLY with the time conversion code.			** This header is for use ONLY with the time conversion code.
	** There is no guarantee that it will remain unchanged,			** There is no guarantee that it will remain unchanged,
	** or that it will remain at all.			** or that it will remain at all.
	** Do NOT copy it to any system include directory.			** Do NOT copy it to any system include directory.
	** Thank you!			** Thank you!
	*/			*/

				/* PORT_TO_C89 means the code should work even if the underlying
				compiler and library support only C89. SUPPORT_C89 means the
				tzcode library should support C89 callers in addition to the usual
				support for C99-and-later callers. These macros are obsolescent,
				and the plan is to remove them along with any code needed only when
				they are nonzero. */
				#ifndef PORT_TO_C89
				# define PORT_TO_C89 0
				#endif
				#ifndef SUPPORT_C89
				# define SUPPORT_C89 0
				#endif

	#ifndef __STDC_VERSION__			#ifndef __STDC_VERSION__
	# define __STDC_VERSION__ 0			# define __STDC_VERSION__ 0
	#endif			#endif

	/* Define true, false and bool if they don't work out of the box. */			/* Define true, false and bool if they don't work out of the box. */
	#if __STDC_VERSION__ < 199901			#if PORT_TO_C89 && __STDC_VERSION__ < 199901
	# define true 1			# define true 1
	# define false 0			# define false 0
	# define bool int			# define bool int
	#elif __STDC_VERSION__ < 202311			#elif __STDC_VERSION__ < 202311
	# include <stdbool.h>			# include <stdbool.h>
	#endif			#endif

				#if __STDC_VERSION__ < 202311
				# define static_assert(cond) extern int static_assert_check[(cond) ? 1 : -1]
				#endif

	/*			/*
	** zdump has been made independent of the rest of the time			** zdump has been made independent of the rest of the time
	** conversion package to increase confidence in the verification it provides.			** conversion package to increase confidence in the verification it provides.
	** You can use zdump to help in verifying other implementations.			** You can use zdump to help in verifying other implementations.
	** To do this, compile with -DUSE_LTZ=0 and link without the tz library.			** To do this, compile with -DUSE_LTZ=0 and link without the tz library.
	*/			*/
	#ifndef USE_LTZ			#ifndef USE_LTZ
	# define USE_LTZ 1			# define USE_LTZ 1
	#endif			#endif

	/* This string was in the Factory zone through version 2016f. */			/* This string was in the Factory zone through version 2016f. */
	#define GRANDPARENTED "Local time zone must be set--use tzsetup"			#define GRANDPARENTED "Local time zone must be set--use tzsetup"

	/*			/*
	** Defaults for preprocessor symbols.			** Defaults for preprocessor symbols.
	** You can override these in your C compiler options, e.g. '-DHAVE_GETTEXT=1'.			** You can override these in your C compiler options, e.g. '-DHAVE_GETTEXT=1'.
	*/			*/

	#ifndef HAVE_DECL_ASCTIME_R			#ifndef HAVE_DECL_ASCTIME_R
	# define HAVE_DECL_ASCTIME_R 1			# define HAVE_DECL_ASCTIME_R 1
	#endif			#endif

	#if !defined HAVE_GENERIC && defined __has_extension			#if !defined HAVE__GENERIC && defined __has_extension
	# if __has_extension(c_generic_selections)			# if __has_extension(c_generic_selections)
	# define HAVE_GENERIC 1			# define HAVE__GENERIC 1
	# else			# else
	# define HAVE_GENERIC 0			# define HAVE__GENERIC 0
	# endif			# endif
	#endif			#endif
	/* _Generic is buggy in pre-4.9 GCC. */			/* _Generic is buggy in pre-4.9 GCC. */
	#if !defined HAVE_GENERIC && defined __GNUC__ && !defined __STRICT_ANSI__			#if !defined HAVE__GENERIC && defined __GNUC__ && !defined __STRICT_ANSI__
	# define HAVE_GENERIC (4 < __GNUC__ + (9 <= __GNUC_MINOR__))			# define HAVE__GENERIC (4 < __GNUC__ + (9 <= __GNUC_MINOR__))
	#endif			#endif
	#ifndef HAVE_GENERIC			#ifndef HAVE__GENERIC
	# define HAVE_GENERIC (201112 <= __STDC_VERSION__)			# define HAVE__GENERIC (201112 <= __STDC_VERSION__)
	#endif			#endif

	#if !defined HAVE_GETTEXT && defined __has_include			#if !defined HAVE_GETTEXT && defined __has_include
	# if __has_include(<libintl.h>)			# if __has_include(<libintl.h>)
	# define HAVE_GETTEXT true			# define HAVE_GETTEXT true
	# endif			# endif
	#endif			#endif
	#ifndef HAVE_GETTEXT			#ifndef HAVE_GETTEXT
	Show All 19 Lines
	#ifndef HAVE_SETENV			#ifndef HAVE_SETENV
	# define HAVE_SETENV 1			# define HAVE_SETENV 1
	#endif			#endif

	#ifndef HAVE_STRDUP			#ifndef HAVE_STRDUP
	# define HAVE_STRDUP 1			# define HAVE_STRDUP 1
	#endif			#endif

	#ifndef HAVE_STRTOLL
	# define HAVE_STRTOLL 1
	#endif

	#ifndef HAVE_SYMLINK			#ifndef HAVE_SYMLINK
	# define HAVE_SYMLINK 1			# define HAVE_SYMLINK 1
	#endif /* !defined HAVE_SYMLINK */			#endif /* !defined HAVE_SYMLINK */

	#if !defined HAVE_SYS_STAT_H && defined __has_include			#if !defined HAVE_SYS_STAT_H && defined __has_include
	# if !__has_include(<sys/stat.h>)			# if !__has_include(<sys/stat.h>)
	# define HAVE_SYS_STAT_H false			# define HAVE_SYS_STAT_H false
	# endif			# endif
	▲ Show 20 Lines • Show All 65 Lines • ▼ Show 20 Lines
	# undef timezone			# undef timezone
	#endif			#endif
	#undef timezone_t			#undef timezone_t
	#undef tzalloc			#undef tzalloc
	#undef tzfree			#undef tzfree

	#include <stddef.h>			#include <stddef.h>
	#include <string.h>			#include <string.h>
				#if !PORT_TO_C89
				# include <inttypes.h>
				#endif
	#include <limits.h> /* for CHAR_BIT et al. */			#include <limits.h> /* for CHAR_BIT et al. */
	#include <stdlib.h>			#include <stdlib.h>

	#include <errno.h>			#include <errno.h>

	#ifndef EINVAL			#ifndef EINVAL
	# define EINVAL ERANGE			# define EINVAL ERANGE
	#endif			#endif
	▲ Show 20 Lines • Show All 53 Lines • ▼ Show 20 Lines
	# define ALTZONE 0			# define ALTZONE 0
	# endif			# endif
	#endif			#endif

	#ifndef R_OK			#ifndef R_OK
	# define R_OK 4			# define R_OK 4
	#endif /* !defined R_OK */			#endif /* !defined R_OK */

				#if PORT_TO_C89

	/*			/*
	** Define HAVE_STDINT_H's default value here, rather than at the			** Define HAVE_STDINT_H's default value here, rather than at the
	** start, since __GLIBC__ and INTMAX_MAX's values depend on			** start, since __GLIBC__ and INTMAX_MAX's values depend on
	** previously-included files. glibc 2.1 and Solaris 10 and later have			** previously included files. glibc 2.1 and Solaris 10 and later have
	** stdint.h, even with pre-C99 compilers.			** stdint.h, even with pre-C99 compilers.
	*/			*/
	#if !defined HAVE_STDINT_H && defined __has_include			#if !defined HAVE_STDINT_H && defined __has_include
	# define HAVE_STDINT_H true /* C23 __has_include implies C99 stdint.h. */			# define HAVE_STDINT_H true /* C23 __has_include implies C99 stdint.h. */
	#endif			#endif
	#ifndef HAVE_STDINT_H			#ifndef HAVE_STDINT_H
	# define HAVE_STDINT_H \			# define HAVE_STDINT_H \
	(199901 <= __STDC_VERSION__ \			(199901 <= __STDC_VERSION__ \
	▲ Show 20 Lines • Show All 60 Lines • ▼ Show 20 Lines
	# define INT_FAST32_MAX INT_MAX			# define INT_FAST32_MAX INT_MAX
	# define INT_FAST32_MIN INT_MIN			# define INT_FAST32_MIN INT_MIN
	# endif			# endif
	#endif			#endif

	#ifndef INTMAX_MAX			#ifndef INTMAX_MAX
	# ifdef LLONG_MAX			# ifdef LLONG_MAX
	typedef long long intmax_t;			typedef long long intmax_t;
				# ifndef HAVE_STRTOLL
				# define HAVE_STRTOLL true
				# endif
	# if HAVE_STRTOLL			# if HAVE_STRTOLL
	# define strtoimax strtoll			# define strtoimax strtoll
	# endif			# endif
	# define INTMAX_MAX LLONG_MAX			# define INTMAX_MAX LLONG_MAX
	# define INTMAX_MIN LLONG_MIN			# define INTMAX_MIN LLONG_MIN
	# else			# else
	typedef long intmax_t;			typedef long intmax_t;
	# define INTMAX_MAX LONG_MAX			# define INTMAX_MAX LONG_MAX
	Show All 29 Lines
	typedef unsigned long long uint_fast64_t;			typedef unsigned long long uint_fast64_t;
	# define UINT_FAST64_MAX ULLONG_MAX			# define UINT_FAST64_MAX ULLONG_MAX
	# endif			# endif
	#endif			#endif

	#ifndef UINTMAX_MAX			#ifndef UINTMAX_MAX
	# ifdef ULLONG_MAX			# ifdef ULLONG_MAX
	typedef unsigned long long uintmax_t;			typedef unsigned long long uintmax_t;
				# define UINTMAX_MAX ULLONG_MAX
	# else			# else
	typedef unsigned long uintmax_t;			typedef unsigned long uintmax_t;
				# define UINTMAX_MAX ULONG_MAX
	# endif			# endif
	#endif			#endif

	#ifndef PRIuMAX			#ifndef PRIuMAX
	# ifdef ULLONG_MAX			# ifdef ULLONG_MAX
	# define PRIuMAX "llu"			# define PRIuMAX "llu"
	# else			# else
	# define PRIuMAX "lu"			# define PRIuMAX "lu"
	# endif			# endif
	#endif			#endif

	#ifndef SIZE_MAX			#ifndef SIZE_MAX
	# define SIZE_MAX ((size_t) -1)			# define SIZE_MAX ((size_t) -1)
	#endif			#endif

				#endif /* PORT_TO_C89 */

				/* The maximum size of any created object, as a signed integer.
				Although the C standard does not outright prohibit larger objects,
				behavior is undefined if the result of pointer subtraction does not
				fit into ptrdiff_t, and the code assumes in several places that
				pointer subtraction works. As a practical matter it's OK to not
				support objects larger than this. */
				#define INDEX_MAX ((ptrdiff_t) min(PTRDIFF_MAX, SIZE_MAX))

	/* Support ckd_add, ckd_sub, ckd_mul on C23 or recent-enough GCC-like			/* Support ckd_add, ckd_sub, ckd_mul on C23 or recent-enough GCC-like
	hosts, unless compiled with -DHAVE_STDCKDINT_H=0 or with pre-C23 EDG. */			hosts, unless compiled with -DHAVE_STDCKDINT_H=0 or with pre-C23 EDG. */
	#if !defined HAVE_STDCKDINT_H && defined __has_include			#if !defined HAVE_STDCKDINT_H && defined __has_include
	# if __has_include(<stdckdint.h>)			# if __has_include(<stdckdint.h>)
	# define HAVE_STDCKDINT_H true			# define HAVE_STDCKDINT_H true
	# endif			# endif
	#endif			#endif
	#ifdef HAVE_STDCKDINT_H			#ifdef HAVE_STDCKDINT_H
	Show All 23 Lines
	# define ATTRIBUTE_FORMAT(spec) __attribute__((format spec))			# define ATTRIBUTE_FORMAT(spec) __attribute__((format spec))
	#else			#else
	# define ATTRIBUTE_MALLOC /* empty */			# define ATTRIBUTE_MALLOC /* empty */
	# define ATTRIBUTE_FORMAT(spec) /* empty */			# define ATTRIBUTE_FORMAT(spec) /* empty */
	#endif			#endif

	#if (defined __has_c_attribute \			#if (defined __has_c_attribute \
	&& (202311 <= __STDC_VERSION__ \|\| !defined __STRICT_ANSI__))			&& (202311 <= __STDC_VERSION__ \|\| !defined __STRICT_ANSI__))
	# define HAVE_HAS_C_ATTRIBUTE true			# define HAVE___HAS_C_ATTRIBUTE true
	#else			#else
	# define HAVE_HAS_C_ATTRIBUTE false			# define HAVE___HAS_C_ATTRIBUTE false
	#endif			#endif

	#if HAVE_HAS_C_ATTRIBUTE			#if HAVE___HAS_C_ATTRIBUTE
				# if __has_c_attribute(deprecated)
				# define ATTRIBUTE_DEPRECATED [[deprecated]]
				# endif
				#endif
				#ifndef ATTRIBUTE_DEPRECATED
				# if 3 < __GNUC__ + (2 <= __GNUC_MINOR__)
				# define ATTRIBUTE_DEPRECATED __attribute__((deprecated))
				# else
				# define ATTRIBUTE_DEPRECATED /* empty */
				# endif
				#endif

				#if HAVE___HAS_C_ATTRIBUTE
	# if __has_c_attribute(fallthrough)			# if __has_c_attribute(fallthrough)
	# define ATTRIBUTE_FALLTHROUGH [[fallthrough]]			# define ATTRIBUTE_FALLTHROUGH [[fallthrough]]
	# endif			# endif
	#endif			#endif
	#ifndef ATTRIBUTE_FALLTHROUGH			#ifndef ATTRIBUTE_FALLTHROUGH
	# if 7 <= __GNUC__			# if 7 <= __GNUC__
	# define ATTRIBUTE_FALLTHROUGH __attribute__((fallthrough))			# define ATTRIBUTE_FALLTHROUGH __attribute__((fallthrough))
	# else			# else
	# define ATTRIBUTE_FALLTHROUGH ((void) 0)			# define ATTRIBUTE_FALLTHROUGH ((void) 0)
	# endif			# endif
	#endif			#endif

	#if HAVE_HAS_C_ATTRIBUTE			#if HAVE___HAS_C_ATTRIBUTE
	# if __has_c_attribute(maybe_unused)			# if __has_c_attribute(maybe_unused)
	# define ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]			# define ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
	# endif			# endif
	#endif			#endif
	#ifndef ATTRIBUTE_MAYBE_UNUSED			#ifndef ATTRIBUTE_MAYBE_UNUSED
	# if 2 < __GNUC__ + (7 <= __GNUC_MINOR__)			# if 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
	# define ATTRIBUTE_MAYBE_UNUSED __attribute__((unused))			# define ATTRIBUTE_MAYBE_UNUSED __attribute__((unused))
	# else			# else
	# define ATTRIBUTE_MAYBE_UNUSED /* empty */			# define ATTRIBUTE_MAYBE_UNUSED /* empty */
	# endif			# endif
	#endif			#endif

	#if HAVE_HAS_C_ATTRIBUTE			#if HAVE___HAS_C_ATTRIBUTE
	# if __has_c_attribute(noreturn)			# if __has_c_attribute(noreturn)
	# define ATTRIBUTE_NORETURN [[noreturn]]			# define ATTRIBUTE_NORETURN [[noreturn]]
	# endif			# endif
	#endif			#endif
	#ifndef ATTRIBUTE_NORETURN			#ifndef ATTRIBUTE_NORETURN
	# if 201112 <= __STDC_VERSION__			# if 201112 <= __STDC_VERSION__
	# define ATTRIBUTE_NORETURN _Noreturn			# define ATTRIBUTE_NORETURN _Noreturn
	# elif 2 < __GNUC__ + (8 <= __GNUC_MINOR__)			# elif 2 < __GNUC__ + (8 <= __GNUC_MINOR__)
	# define ATTRIBUTE_NORETURN __attribute__((noreturn))			# define ATTRIBUTE_NORETURN __attribute__((noreturn))
	# else			# else
	# define ATTRIBUTE_NORETURN /* empty */			# define ATTRIBUTE_NORETURN /* empty */
	# endif			# endif
	#endif			#endif

	#if HAVE_HAS_C_ATTRIBUTE			#if HAVE___HAS_C_ATTRIBUTE
	# if __has_c_attribute(reproducible)			# if __has_c_attribute(reproducible)
	# define ATTRIBUTE_REPRODUCIBLE [[reproducible]]			# define ATTRIBUTE_REPRODUCIBLE [[reproducible]]
	# endif			# endif
	#endif			#endif
	#ifndef ATTRIBUTE_REPRODUCIBLE			#ifndef ATTRIBUTE_REPRODUCIBLE
	# if 3 <= __GNUC__			# if 3 <= __GNUC__
	# define ATTRIBUTE_REPRODUCIBLE __attribute__((pure))			# define ATTRIBUTE_REPRODUCIBLE __attribute__((pure))
	# else			# else
	# define ATTRIBUTE_REPRODUCIBLE /* empty */			# define ATTRIBUTE_REPRODUCIBLE /* empty */
	# endif			# endif
	#endif			#endif

	#if HAVE_HAS_C_ATTRIBUTE			#if HAVE___HAS_C_ATTRIBUTE
	# if __has_c_attribute(unsequenced)			# if __has_c_attribute(unsequenced)
	# define ATTRIBUTE_UNSEQUENCED [[unsequenced]]			# define ATTRIBUTE_UNSEQUENCED [[unsequenced]]
	# endif			# endif
	#endif			#endif
	#ifndef ATTRIBUTE_UNSEQUENCED			#ifndef ATTRIBUTE_UNSEQUENCED
	# if 3 <= __GNUC__			# if 3 <= __GNUC__
	# define ATTRIBUTE_UNSEQUENCED __attribute__((const))			# define ATTRIBUTE_UNSEQUENCED __attribute__((const))
	# else			# else
	# define ATTRIBUTE_UNSEQUENCED /* empty */			# define ATTRIBUTE_UNSEQUENCED /* empty */
	# endif			# endif
	#endif			#endif

	#if __STDC_VERSION__ < 199901 && !defined restrict			#if (__STDC_VERSION__ < 199901 && !defined restrict \
				&& (PORT_TO_C89 \|\| defined _MSC_VER))
	# define restrict /* empty */			# define restrict /* empty */
	#endif			#endif

	/*			/*
	** Workarounds for compilers/systems.			** Workarounds for compilers/systems.
	*/			*/

	#ifndef EPOCH_LOCAL			#ifndef EPOCH_LOCAL
	▲ Show 20 Lines • Show All 55 Lines • ▼ Show 20 Lines
	# undef localtime_rz			# undef localtime_rz
	# define localtime_rz tz_localtime_rz			# define localtime_rz tz_localtime_rz
	# undef mktime			# undef mktime
	# define mktime tz_mktime			# define mktime tz_mktime
	# undef mktime_z			# undef mktime_z
	# define mktime_z tz_mktime_z			# define mktime_z tz_mktime_z
	# undef offtime			# undef offtime
	# define offtime tz_offtime			# define offtime tz_offtime
				# undef offtime_r
				# define offtime_r tz_offtime_r
	# undef posix2time			# undef posix2time
	# define posix2time tz_posix2time			# define posix2time tz_posix2time
	# undef posix2time_z			# undef posix2time_z
	# define posix2time_z tz_posix2time_z			# define posix2time_z tz_posix2time_z
	# undef strftime			# undef strftime
	# define strftime tz_strftime			# define strftime tz_strftime
	# undef time			# undef time
	# define time tz_time			# define time tz_time
	Show All 29 Lines
	# undef timezone			# undef timezone
	# define timezone tz_timezone			# define timezone tz_timezone
	# endif			# endif
	# if ALTZONE			# if ALTZONE
	# undef altzone			# undef altzone
	# define altzone tz_altzone			# define altzone tz_altzone
	# endif			# endif

	char asctime(struct tm const );			# if __STDC_VERSION__ < 202311
				# define DEPRECATED_IN_C23 /* empty */
				# else
				# define DEPRECATED_IN_C23 ATTRIBUTE_DEPRECATED
				# endif
				DEPRECATED_IN_C23 char asctime(struct tm const );
	char asctime_r(struct tm const restrict, char *restrict);			char asctime_r(struct tm const restrict, char *restrict);
	char ctime(time_t const );			DEPRECATED_IN_C23 char ctime(time_t const );
	char ctime_r(time_t const , char *);			char ctime_r(time_t const , char *);
	double difftime(time_t, time_t) ATTRIBUTE_UNSEQUENCED;			ATTRIBUTE_UNSEQUENCED double difftime(time_t, time_t);
	size_t strftime(char restrict, size_t, char const restrict,			size_t strftime(char restrict, size_t, char const restrict,
	struct tm const *restrict);			struct tm const *restrict);
	# if HAVE_STRFTIME_L			# if HAVE_STRFTIME_L
	size_t strftime_l(char restrict, size_t, char const restrict,			size_t strftime_l(char restrict, size_t, char const restrict,
	struct tm const *restrict, locale_t);			struct tm const *restrict, locale_t);
	# endif			# endif
	struct tm gmtime(time_t const );			struct tm gmtime(time_t const );
	struct tm gmtime_r(time_t const restrict, struct tm *restrict);			struct tm gmtime_r(time_t const restrict, struct tm *restrict);
	▲ Show 20 Lines • Show All 46 Lines • ▼ Show 20 Lines
	extern long altzone;			extern long altzone;
	#endif			#endif

	/*			/*
	** The STD_INSPIRED functions are similar, but most also need			** The STD_INSPIRED functions are similar, but most also need
	** declarations if time_tz is defined.			** declarations if time_tz is defined.
	*/			*/

	#ifdef STD_INSPIRED			#ifndef STD_INSPIRED
				# define STD_INSPIRED 0
				#endif
				#if STD_INSPIRED
	# if TZ_TIME_T \|\| !defined offtime			# if TZ_TIME_T \|\| !defined offtime
	struct tm offtime(time_t const , long);			struct tm offtime(time_t const , long);
	# endif			# endif
				# if TZ_TIME_T \|\| !defined offtime_r
				struct tm offtime_r(time_t const , long, struct tm *);
				# endif
	# if TZ_TIME_T \|\| !defined timelocal			# if TZ_TIME_T \|\| !defined timelocal
	time_t timelocal(struct tm *);			time_t timelocal(struct tm *);
	# endif			# endif
	# if TZ_TIME_T \|\| !defined timeoff			# if TZ_TIME_T \|\| !defined timeoff
	time_t timeoff(struct tm *, long);			time_t timeoff(struct tm *, long);
	# endif			# endif
	# if TZ_TIME_T \|\| !defined time2posix			# if TZ_TIME_T \|\| !defined time2posix
	time_t time2posix(time_t);			time_t time2posix(time_t);
	Show All 27 Lines
	*/			*/
	#if NETBSD_INSPIRED			#if NETBSD_INSPIRED
	typedef struct state *timezone_t;			typedef struct state *timezone_t;
	struct tm localtime_rz(timezone_t restrict, time_t const restrict,			struct tm localtime_rz(timezone_t restrict, time_t const restrict,
	struct tm *restrict);			struct tm *restrict);
	time_t mktime_z(timezone_t restrict, struct tm *restrict);			time_t mktime_z(timezone_t restrict, struct tm *restrict);
	timezone_t tzalloc(char const *);			timezone_t tzalloc(char const *);
	void tzfree(timezone_t);			void tzfree(timezone_t);
	# ifdef STD_INSPIRED			# if STD_INSPIRED
	# if TZ_TIME_T \|\| !defined posix2time_z			# if TZ_TIME_T \|\| !defined posix2time_z
	time_t posix2time_z(timezone_t, time_t) ATTRIBUTE_REPRODUCIBLE;			ATTRIBUTE_REPRODUCIBLE time_t posix2time_z(timezone_t, time_t);
	# endif			# endif
	# if TZ_TIME_T \|\| !defined time2posix_z			# if TZ_TIME_T \|\| !defined time2posix_z
	time_t time2posix_z(timezone_t, time_t) ATTRIBUTE_REPRODUCIBLE;			ATTRIBUTE_REPRODUCIBLE time_t time2posix_z(timezone_t, time_t);
	# endif			# endif
	# endif			# endif
	#endif			#endif

	/*			/*
	** Finally, some convenience items.			** Finally, some convenience items.
	*/			*/

	#define TYPE_BIT(type) (sizeof(type) * CHAR_BIT)			#define TYPE_BIT(type) (CHAR_BIT * (ptrdiff_t) sizeof(type))
	#define TYPE_SIGNED(type) (((type) -1) < 0)			#define TYPE_SIGNED(type) (((type) -1) < 0)
	#define TWOS_COMPLEMENT(t) ((t) ~ (t) 0 < 0)			#define TWOS_COMPLEMENT(t) ((t) ~ (t) 0 < 0)

	/* Minimum and maximum of two values. Use lower case to avoid			/* Minimum and maximum of two values. Use lower case to avoid
	naming clashes with standard include files. */			naming clashes with standard include files. */
	#define max(a, b) ((a) > (b) ? (a) : (b))			#define max(a, b) ((a) > (b) ? (a) : (b))
	#define min(a, b) ((a) < (b) ? (a) : (b))			#define min(a, b) ((a) < (b) ? (a) : (b))

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	#define TIME_T_MAX_NO_PADDING MAXVAL(time_t, TYPE_BIT(time_t))			#define TIME_T_MAX_NO_PADDING MAXVAL(time_t, TYPE_BIT(time_t))

	/* The extreme time values. These are macros, not constants, so that			/* The extreme time values. These are macros, not constants, so that
	any portability problems occur only when compiling .c files that use			any portability problems occur only when compiling .c files that use
	the macros, which is safer for applications that need only zdump and zic.			the macros, which is safer for applications that need only zdump and zic.
	This implementation assumes no padding if time_t is signed and			This implementation assumes no padding if time_t is signed and
	either the compiler lacks support for _Generic or time_t is not one			either the compiler lacks support for _Generic or time_t is not one
	of the standard signed integer types. */			of the standard signed integer types. */
	#if HAVE_GENERIC			#if HAVE__GENERIC
	# define TIME_T_MIN \			# define TIME_T_MIN \
	_Generic((time_t) 0, \			_Generic((time_t) 0, \
	signed char: SCHAR_MIN, short: SHRT_MIN, \			signed char: SCHAR_MIN, short: SHRT_MIN, \
	int: INT_MIN, long: LONG_MIN, long long: LLONG_MIN, \			int: INT_MIN, long: LONG_MIN, long long: LLONG_MIN, \
	default: TIME_T_MIN_NO_PADDING)			default: TIME_T_MIN_NO_PADDING)
	# define TIME_T_MAX \			# define TIME_T_MAX \
	(TYPE_SIGNED(time_t) \			(TYPE_SIGNED(time_t) \
	? _Generic((time_t) 0, \			? _Generic((time_t) 0, \
	signed char: SCHAR_MAX, short: SHRT_MAX, \			signed char: SCHAR_MAX, short: SHRT_MAX, \
	int: INT_MAX, long: LONG_MAX, long long: LLONG_MAX, \			int: INT_MAX, long: LONG_MAX, long long: LLONG_MAX, \
	default: TIME_T_MAX_NO_PADDING) \			default: TIME_T_MAX_NO_PADDING) \
	: (time_t) -1)			: (time_t) -1)
				enum { SIGNED_PADDING_CHECK_NEEDED
				= _Generic((time_t) 0,
				signed char: false, short: false,
				int: false, long: false, long long: false,
				default: true) };
	#else			#else
	# define TIME_T_MIN TIME_T_MIN_NO_PADDING			# define TIME_T_MIN TIME_T_MIN_NO_PADDING
	# define TIME_T_MAX TIME_T_MAX_NO_PADDING			# define TIME_T_MAX TIME_T_MAX_NO_PADDING
				enum { SIGNED_PADDING_CHECK_NEEDED = true };
	#endif			#endif
				/* Try to check the padding assumptions. Although TIME_T_MAX and the
				following check can both have undefined behavior on oddball
				platforms due to shifts exceeding widths of signed integers, these
				platforms' compilers are likely to diagnose these issues in integer
				constant expressions, so it shouldn't hurt to check statically. */
				static_assert(! TYPE_SIGNED(time_t) \|\| ! SIGNED_PADDING_CHECK_NEEDED
				\|\| TIME_T_MAX >> (TYPE_BIT(time_t) - 2) == 1);

	/*			/*
	** 302 / 1000 is log10(2.0) rounded up.			** 302 / 1000 is log10(2.0) rounded up.
	** Subtract one for the sign bit if the type is signed;			** Subtract one for the sign bit if the type is signed;
	** add one for integer division truncation;			** add one for integer division truncation;
	** add one more for a minus sign if the type is signed.			** add one more for a minus sign if the type is signed.
	*/			*/
	#define INT_STRLEN_MAXIMUM(type) \			#define INT_STRLEN_MAXIMUM(type) \
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	#if !defined TZ_DOMAIN && defined HAVE_GETTEXT			#if !defined TZ_DOMAIN && defined HAVE_GETTEXT
	# define TZ_DOMAIN "tz"			# define TZ_DOMAIN "tz"
	#endif			#endif

	#if HAVE_INCOMPATIBLE_CTIME_R			#if HAVE_INCOMPATIBLE_CTIME_R
	#undef asctime_r			#undef asctime_r
	#undef ctime_r			#undef ctime_r
	char asctime_r(struct tm const , char *);			char asctime_r(struct tm const restrict, char *restrict);
	char ctime_r(time_t const , char *);			char ctime_r(time_t const , char *);
	#endif /* HAVE_INCOMPATIBLE_CTIME_R */			#endif /* HAVE_INCOMPATIBLE_CTIME_R */

	/* Handy macros that are independent of tzfile implementation. */			/* Handy macros that are independent of tzfile implementation. */

	enum {			enum {
	SECSPERMIN = 60,			SECSPERMIN = 60,
	MINSPERHOUR = 60,			MINSPERHOUR = 60,
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