changelog

实战Linux编程的原代码,希望对学驱动的人能有所帮助

	* src/hostname.c: Likewise.
	* src/id.c: Likewise.
	* src/logname.c: Likewise.
	* src/nice.c: Likewise.
	* src/pathchk.c: Likewise.
	* src/pinky.c: Likewise.
	* src/printf.c: Likewise.
	* src/pwd.c: Likewise.
	* src/seq.c: Likewise.
	* src/stty.c: Likewise.
	* src/su.c: Likewise.
	* src/test.c: Likewise.
	* src/uname.c: Likewise.
	* src/uptime.c: Likewise.
	* src/users.c: Likewise.
	* src/who.c: Likewise.
	* src/whoami.c: Likewise.
	* src/tee.c: Likewise.  Remove explicit close_stdout.

	* src/yes.c Include "closeout.h".
	(usage): Call close_stdout just before exit.
	* src/sleep.c: Likewise.
	* src/true.c: Likewise.
	* src/date.c (usage): Call close_stdout_status.
	* src/printenv.c (usage): Likewise.

	* tests/date/Test.pm ($Test::env{'rfc822-1'}): Add TZ=UTC0.

2000-05-06  Jim Meyering  <[e-mail]>

	* src/Makefile.am (sleep_LDADD): Add @LIB_CLOCK_GETTIME@ and
	@LIB_NANOSLEEP@.

	* src/tty.c (main): Warn about arguments, don't fail.
	(usage): Call close_stdout_status from here as well as from main.

2000-05-05  Jim Meyering  <[e-mail]>

	Exit nonzero upon write failure.
	* src/printf.c: Include "closeout.h".
	(main): Call close_stdout.
	Reported by Ian Jackson via Michael Stone.

2000-05-04  Jim Meyering  <[e-mail]>

	* Makefile.maint (my-distcheck): Remove spurious blank line.
	Remove $(DEPDIR) *after* making distclean, not before.

2000-04-30  Jim Meyering  <[e-mail]>

	* src/yes.c: Detect and terminate upon write failure.

2000-04-14  Jim Meyering  <[e-mail]>

	* src/seq.c: Shorten `#ifdef HAVE_...' to `#if HAVE_...' and
	remove unnecessary uses of `defined' (aesthetics).

2000-04-12  Jim Meyering  <[e-mail]>

	Move some code into m4/.
	* configure.in (_GNU_SOURCE): Don't define here.
	(AC_SYS_LARGEFILE): Don't use here.
	(AM_C_PROTOTYPES): Don't use here.
	(AC_DEFINE): Use 3-arg form.
	* acconfig.h: Remove now-unused file.

2000-04-09  Jim Meyering  <[e-mail]>

	* configure.in (ALL_LINGUAS): Add Estonian (et).

2000-04-01  Jochen Hein  <[e-mail]>

	* src/date.c: Use the "C" locale when using --rfc-822 (-R), as
	required by rfc822.  Before, in the de_DE locale, date would
	print the German weekday and month abbreviations.

	* tests/date/Test.pm: Add test for rfc822 format and foreign
	locale settings.

2000-04-04  Jim Meyering  <[e-mail]>

	* man/Makefile.am (man_MANS): Add uptime.1.
	* man/uptime.x: New file.

	* man/Makefile.am (man_MANS): Add factor.1.
	* man/factor.x: New file.

	* tests/seq/basic: Split a long line and tweak for font-lock mode.
	* tests/factor/basic: Likewise.
	* tests/basename/basic: Likewise.

2000-03-29  Paul Eggert  <[e-mail]>

	* src/date.c: Include <langinfo.h> if it exists.
	(DATE_FMT_LANGINFO): New macro.
	(show_date): Use it to get the locale-specific default format for
	"date" if it exists.

2000-03-19  Jim Meyering  <[e-mail]>

	* Version 2.0g.

	* doc/sh-utils.texi (chroot invocation): Include a couple tips and
	a simple example.

	* doc/getdate.texi (Calendar date item): Fix typos.
	From Per Cederqvist.

2000-03-18  Jim Meyering  <[e-mail]>

	* src/uptime.c (print_uptime): Use `buf' only if fgets succeeds.

2000-03-12  Jim Meyering  <[e-mail]>

	Merge from textutils.
	* src/system.h (O_BINARY, O_TEXT): Define if necessary.
	(SET_BINARY, SET_BINARY2): Define.
	(DEV_BSIZE): Define to BBSIZE if appropriate.

2000-03-11  Jim Meyering  <[e-mail]>

	* tests/date/Test.pm: Set the default TZ value to UTC0, not UTC.
	The latter didn't have any effect on alphaev56-dec-osf4.0f.

	Final merge with fileutils.
	* src/system.h: Use standard `#if TIME_WITH_SYS_TIME...' block
	rather than `#if TM_IN_SYS_TIME' one.

2000-02-02  Bruno Haible  <[e-mail]>

	* printf.c: Include "unicodeio.h".
	(usage): Mention \u and \U directives. \x outputs a byte, not a
	character.
	(print_esc): Implement \u and \U.
	* Makefile.am (printf_LDADD): Add @LIBICONV@.

2000-03-03  Jim Meyering  <[e-mail]>

	Make it so stty's rprnt attribute works on HPUX 10.20.
	* src/stty.c [CREPRINT && !CRPRNT] (CRPRNT): Define.
	(control_info): Recognize HPUX's CREPRINT.

2000-03-02  Jim Meyering  <[e-mail]>

	* doc/sh-utils.texi (printf invocation): Describe new unicode syntax.
	From Bruno Haible.

	Unify with fileutils/src/system.h.
	* src/system.h (ST_NBLOCKS): Sync with recent changes in fileutils.
	[!_POSIX_VERSION]: Remove declarations of getlogin, ttyname, geteuid.
	* src/sys2.h: Declare them here, if needed.

2000-03-01  Jim Meyering  <[e-mail]>

	* Makefile.am (EXTRA_DIST): Include GNUmakefile.

	* src/seq.c (get_width_format): Fix portability problem with
	`-0' vs. `0'.

2000-02-22  Jim Meyering  <[e-mail]>

	* tests/date/Test.pm (datevtime-1): New test.
	From John Kendall.

2000-02-15  Jim Meyering  <[e-mail]>

	* man/Makefile.maint ($(man_MANS)): Remove $@-t1.

2000-02-13  Jim Meyering  <[e-mail]>

	* tests/Fetish.pm (run_tests): Discard stderr.
	Reverse diff args, so `expected' is last, as in mk-script.

2000-02-12  Jim Meyering  <[e-mail]>

	* tests/mk-script: Invoke `diff' when differences are found.
	* tests/Fetish.pm (run_tests): Likewise.

2000-02-09  Jim Meyering  <[e-mail]>

	* src/su.c (correct_password): Correct HAVE_STRUCT_* name in #if guard
	to go along with corrected autoconf test:  Reported by Ga雔 Qu閞i.

2000-02-05  Jim Meyering  <[e-mail]>

	* Version 2.0f.

	* src/who.c: Use UT_USER in place of hard-coded `->ut_name' here, too.
	* src/pinky.c: Likewise.
	Reported by Tom Tromey and Andreas Schwab.
	* src/uptime.c (print_uptime): Likewise.
	* src/users.c (list_entries_users): Likewise.

2000-01-30  Jim Meyering  <[e-mail]>

	* Version 2.0e.

	* src/su.c (correct_password): Guard with `HAVE_GETSPNAM &&
	HAVE_STRUCT_PASSWD_SP_PWDP', rather than just `#ifdef HAVE_SHADOW_H'.

	* po/POTFILES.in: Add lib/makepath.c, lib/obstack.c, lib/rpmatch.c,
	and lib/same.c.

2000-01-29  Jim Meyering  <[e-mail]>

	* configure.in: Move library-related tests into m4/lib-check.m4.
	Remove lib-check for cposix now that we use m4/isc-posix.m4.

	* src/seq.c: Back out most of the 2000-01-21 and 01-22 changes.
	[Instead, merely give examples showing how to accomplish the same
	task with fewer limitations using existing tools. ]
	Suggestion from Bruno Haible.
	(valid_format): Rename from check_format.
	* tests/seq/basic: Remove associated tests and add two equal-width ones.

	* tests/stty/row-col-1: Set COLUMNS envvar, just to be safe.

2000-01-28  Jim Meyering  <[e-mail]>

	* src/stty.c (wrapf): Emit a newline only if 0 < current_col.
	(screen_columns): Use xstrtol, not atoi.
	If get_win_size fails and $COLUMNS == 0, then return 80, not `0'.

2000-01-23  Jim Meyering  <[e-mail]>

	* configure.in (OPTIONAL_BIN_PROGS, OPTIONAL_BIN_ZCRIPTS, MAN):
	AC_SUBST these not here, but rather in m4/, so that the now-shared
	lib/Makefile.am are all the same.
	(AC_CHECK_FUNCS): Remove check for utmpname, since it's already
	in m4/prereq.m4.
	Remove many function checks (moved to m4/.)

	* configure.in (AM_FUNC_STRTOD): Move to m4/.
	(AC_SUBST(POW_LIBM)): Likewise.

	* configure.in (SEQ_LIBM): Remove AC_SUBST of a constant.
	* src/Makefile.am (seq_LDADD): Add -lm rather than constant $(SEQ_LIBM).

2000-01-22  Jim Meyering  <[e-mail]>

	* src/sys2.h [! HAVE_DECL_STRTOUL]: Declare strtoul.
	[! HAVE_DECL_STRTOULL]: Declare strtoull.
	Required for some AIX systems.  Reported by Christian Krackowizer.

	* configure.in (ALL_LINGUAS): Add Slovenian (sl).
	(AC_CHECK_HEADERS): Move these checks into m4/.

	* src/seq.c (enum Format_type): Declare.
	(format_type): New global to take place of intconv.
	(format_str): Move global declaration...
	(main): ... to here.
	(check_format): Rename parameter to avoid shadowing global.
	(DO_printf): New macro.
	(main): Use it.
	Topologically sort the functions and remove fwd declarations.

2000-01-21  Bruno Haible  <[e-mail]>

	Add support for octal and hexadecimal output.
	* seq.c (intconv): New variable.
	(usage): Update.
	(main): Call scan_arg instead of scan_double_arg. Call check_format
	before scan_arg.
	(scan_int_arg, scan_arg): New functions.
	(check_format): Add intconv argument. Accept %d, %u, %o, %x, %X.
	(print_numbers): If intconv is true, pass an int argument to printf.

2000-01-21  Jim Meyering  <[e-mail]>

	* configure.in (ALL_LINGUAS): Add Galician (gl).

2000-01-16  Jim Meyering  <[e-mail]>

	* lib/Makefile.am: Sync with fileutils/lib/Makefile.am.

	* src/date.c (usage): Correct error in %V description.
	From Wolfram Kleff.

	* configure.in: Remove jm_FUNC_GROUP_MEMBER, jm_FUNC_PUTENV,
	AM_FUNC_GETLOADAVG, jm_SYS_PROC_UPTIME, AM_SYS_POSIX_TERMIOS,
	jm_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL.

2000-01-15  Jim Meyering  <[e-mail]>

	* configure.in (AC_REPLACE_FUNCS): Remove gethostname, getusershell,
	memcpy, and memset.  Now that's done in m4/.
	Remove these, too: stime strcspn stpcpy strstr strtol strtoul.

2000-01-12  Jim Meyering  <[e-mail]>

	* configure.in: Remove the tests that are now in jm_PREREQ_CANON_HOST.

2000-01-11  Jim Meyering  <[e-mail]>

	Sync lib/ directories of sh-utils, and textutils.

	* lib/Makefile.am (libfetish_a_SOURCES): Add diacrit.c, hard-locale.c,
	linebuffer.c, md5.c, memcasecmp.c, memcoll.c, obstack.c, safe-read.c
	(noinst_HEADERS): Add bumpalloc.h, diacrit.h, hard-locale.h,
	linebuffer.h, md5.h, memcasecmp.h, memcoll.h, obstack.h, safe-read.h.

	* lib/Makefile.am: s/su/fetish/
	* src/Makefile.am: s/libsu/libfetish/

2000-01-10  Jim Meyering  <[e-mail]>

	* Version 2.0d.

	* src/Makefile.am (sleep_LDADD): Add @POW_LIBM@, for systems that use
	lib/strtod.c and need -lm to resolve its pow reference.

2000-01-07  Jim Meyering  <[e-mail]>

	* Version 2.0c.

	* tests/basename/Makefile.am (TESTS_ENVIRONMENT): Add `pwd`/ prefix
	to exported PATH value (though not strictly necessary, here).
	* tests/factor/Makefile.am (TESTS_ENVIRONMENT): Likewise.
	* tests/seq/Makefile.am (TESTS_ENVIRONMENT): Likewise.
	* tests/stty/Makefile.am (TESTS_ENVIRONMENT): Likewise.

2000-01-06  Paul Eggert  <[e-mail]>

	* tar/lib/getdate.y: Sync tm_diff with the GNU C Library.
	(TM_YEAR_BASE): Renamed from TM_YEAR_ORIGIN.  All uses changed.
	(tm_diff): Renamed from difftm.  All uses changed.
	Replace body with that taken from GNU C Library 2.1.3pre1.
	(get_date): Prefer tm_gmtoff to tm_diff if available.

2000-01-05  Paul Eggert  <[e-mail]>

	Minor code cleanup.
	* src/sleep.c (clock_get_realtime): Return argument, for convenience.
	(main): Use this to simplify main sleep loop.

2000-01-05  Jim Meyering  <[e-mail]>

	Some systems lack a definition of struct timespec (AIX, Ultrix)
	Reported by Christian Krackowizer.
	* lib/Makefile.am (noinst_HEADERS): Add nanosleep.h.
	* lib/nanosleep.h: New file.
	* lib/nanosleep.c: Include it.
	Don't include time.h or sys/time.h here.
	* src/sleep.c: Include it.
	(AUTHORS): Add Paul Eggert.

2000-01-04  Jim Meyering  <[e-mail]>

	* lib/nanosleep.c: Include both time.h and sys/time.h only
	#if TIME_WITH_SYS_TIME.

2000-01-03  Paul Eggert  <[e-mail]>

	Fix some porting and rounding problems with the new `sleep' code.

	* configure.in (AC_CHECK_HEADERS): Add fenv.h.
	(FESETROUND_LIBM): New macro.

	* lib/xstrtod.c: Add #pragma STDC FENV_ACCESS ON if C99.
	* src/sleep.c: Likewise.

	* src/Makefile.am (sleep_LDADD, sleep_DEPENDENCIES): New macros.

	* src/sleep.c (<fenv.h>): Include if available.
	(main): Always round floating-point interval calculations upwards,
	as we must sleep for at least the specified time.
	Do the right thing with NaNs.

	(main): Sleep forever if the time calculations overflow.
	(apply_suffix): Don't assert that *s <= TIME_T_MAX.

	(clock_get_realtime): Fix typo; address was improperly taken.

2000-01-02  Jim Meyering  <[e-mail]>

	* Version 2.0b.

	* lib/Makefile.in: Regenerate.

	* Version 2.0a.

1999-12-26  Jim Meyering  <[e-mail]>

	* lib/nanosleep.c (nanosleep): New file.

1999-12-23  Jim Meyering  <[e-mail]>

	* src/sleep.c (USE_CLOCK_GETTIME): Define.
	[USE_CLOCK_GETTIME]: Include sys/time.h.
	(timespec_subtract): New function.
	(clock_get_realtime): New function.
	(sighandler): Remove function.