From be9c8a343e9159e00b86f2909cbf4c9f06f70d2b Mon Sep 17 00:00:00 2001 From: delphij Date: Thu, 30 May 2013 20:42:51 +0000 Subject: [PATCH] MFC: less v458. git-svn-id: svn://svn.freebsd.org/base/stable/8@251155 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f --- contrib/less/NEWS | 19 +++++++ contrib/less/README | 4 +- contrib/less/cmdbuf.c | 2 +- contrib/less/configure | 116 ++++++++++++++++++++------------------ contrib/less/configure.ac | 57 ++++++++++++------- contrib/less/defines.ds | 12 ++++ contrib/less/defines.h.in | 12 ++++ contrib/less/defines.o2 | 12 ++++ contrib/less/defines.o9 | 12 ++++ contrib/less/defines.wn | 12 ++++ contrib/less/help.c | 2 +- contrib/less/less.hlp | 2 +- contrib/less/less.man | 36 ++++++++---- contrib/less/less.nro | 36 +++++++----- contrib/less/lessecho.man | 2 +- contrib/less/lessecho.nro | 2 +- contrib/less/lesskey.man | 2 +- contrib/less/lesskey.nro | 2 +- contrib/less/option.c | 50 ++++++++-------- contrib/less/opttbl.c | 10 ++++ contrib/less/output.c | 5 ++ contrib/less/position.c | 2 +- contrib/less/screen.c | 4 +- contrib/less/version.c | 11 +++- usr.bin/less/defines.h | 12 ++++ 25 files changed, 302 insertions(+), 134 deletions(-) diff --git a/contrib/less/NEWS b/contrib/less/NEWS index e0979cf56..e03f35af3 100644 --- a/contrib/less/NEWS +++ b/contrib/less/NEWS @@ -9,6 +9,25 @@ To report bugs, suggestions or comments, send email to bug-less@gnu.org. +====================================================================== + + Major changes between "less" versions 451 and 458 + +* Allow backslash escaping of metacharacters in LESS environment variable + after the --use-backslash option. + +* Don't quit if syntax errors are found in command line options. + +* Increase sizes of some internal buffers. + +* Fix configure bug with --with-regex=none. + +* Fix crash with "stty rows 0". + +* Fix Win32 attribute display bug. + +* Fix display bug when using up/down arrow on the command line. + ====================================================================== Major changes between "less" versions 444 and 451 diff --git a/contrib/less/README b/contrib/less/README index 1f57f7ded..807749a5b 100644 --- a/contrib/less/README +++ b/contrib/less/README @@ -7,9 +7,9 @@ ************************************************************************** ************************************************************************** - Less, version 451 + Less, version 458 - This is the distribution of less, version 451, released 21 Jul 2012. + This is the distribution of less, version 458, released 04 Apr 2013. This program is part of the GNU project (http://www.gnu.org). This program is free software. You may redistribute it and/or diff --git a/contrib/less/cmdbuf.c b/contrib/less/cmdbuf.c index ec25096b7..e387ccce8 100644 --- a/contrib/less/cmdbuf.c +++ b/contrib/less/cmdbuf.c @@ -727,9 +727,9 @@ cmd_updown(action) s = ml->string; if (s == NULL) s = ""; - strcpy(cmdbuf, s); cmd_home(); clear_eol(); + strcpy(cmdbuf, s); for (cp = cmdbuf; *cp != '\0'; ) cmd_right(); return (CC_OK); diff --git a/contrib/less/configure b/contrib/less/configure index de1606173..e401d588b 100755 --- a/contrib/less/configure +++ b/contrib/less/configure @@ -5188,8 +5188,7 @@ fi # Checks for regular expression functions. have_regex=no have_posix_regex=unknown -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for regcomp" >&5 -$as_echo_n "checking for regcomp... " >&6; } +supported_regex="" # Select a regular expression library. WANT_REGEX=auto @@ -5204,6 +5203,8 @@ if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = posix; then # Some versions of Solaris have a regcomp() function, but it doesn't work! # So we run a test program. If we're cross-compiling, do it the old way. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for POSIX regcomp" >&5 +$as_echo_n "checking for POSIX regcomp... " >&6; } if test "$cross_compiling" = yes; then : have_posix_regex=unknown else @@ -5232,10 +5233,10 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ fi if test $have_posix_regex = yes; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: using POSIX regcomp" >&5 -$as_echo "using POSIX regcomp" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } $as_echo "#define HAVE_POSIX_REGCOMP 1" >>confdefs.h - + supported_regex="$supported_regex posix" have_regex=yes elif test $have_posix_regex = unknown; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext @@ -5252,10 +5253,10 @@ regex_t *r; regfree(r); } _ACEOF if ac_fn_c_try_link "$LINENO"; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: using POSIX regcomp" >&5 -$as_echo "using POSIX regcomp" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } $as_echo "#define HAVE_POSIX_REGCOMP 1" >>confdefs.h - have_regex=yes + have_regex=yes; supported_regex="$supported_regex posix" fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext @@ -5267,14 +5268,14 @@ fi fi if test $have_regex = no; then -if test $WANT_REGEX = auto -o $WANT_REGEX = gnu; then -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for re_compile_pattern in -lc" >&5 -$as_echo_n "checking for re_compile_pattern in -lc... " >&6; } -if ${ac_cv_lib_c_re_compile_pattern+:} false; then : +if test $WANT_REGEX = auto -o $WANT_REGEX = pcre; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pcre_compile in -lpcre" >&5 +$as_echo_n "checking for pcre_compile in -lpcre... " >&6; } +if ${ac_cv_lib_pcre_pcre_compile+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS -LIBS="-lc $LIBS" +LIBS="-lpcre $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -5284,44 +5285,43 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char re_compile_pattern (); +char pcre_compile (); int main () { -return re_compile_pattern (); +return pcre_compile (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : - ac_cv_lib_c_re_compile_pattern=yes + ac_cv_lib_pcre_pcre_compile=yes else - ac_cv_lib_c_re_compile_pattern=no + ac_cv_lib_pcre_pcre_compile=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_re_compile_pattern" >&5 -$as_echo "$ac_cv_lib_c_re_compile_pattern" >&6; } -if test "x$ac_cv_lib_c_re_compile_pattern" = xyes; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: using gnu" >&5 -$as_echo "using gnu" >&6; }; $as_echo "#define HAVE_GNU_REGEX 1" >>confdefs.h - have_regex=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcre_pcre_compile" >&5 +$as_echo "$ac_cv_lib_pcre_pcre_compile" >&6; } +if test "x$ac_cv_lib_pcre_pcre_compile" = xyes; then : + $as_echo "#define HAVE_PCRE 1" >>confdefs.h + LIBS="$LIBS -lpcre" have_regex=yes; supported_regex="$supported_regex pcre" fi fi fi if test $have_regex = no; then -if test $WANT_REGEX = auto -o $WANT_REGEX = pcre; then -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pcre_compile in -lpcre" >&5 -$as_echo_n "checking for pcre_compile in -lpcre... " >&6; } -if ${ac_cv_lib_pcre_pcre_compile+:} false; then : +if test $WANT_REGEX = auto -o $WANT_REGEX = gnu; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for re_compile_pattern in -lc" >&5 +$as_echo_n "checking for re_compile_pattern in -lc... " >&6; } +if ${ac_cv_lib_c_re_compile_pattern+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS -LIBS="-lpcre $LIBS" +LIBS="-lc $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -5331,30 +5331,29 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char pcre_compile (); +char re_compile_pattern (); int main () { -return pcre_compile (); +return re_compile_pattern (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : - ac_cv_lib_pcre_pcre_compile=yes + ac_cv_lib_c_re_compile_pattern=yes else - ac_cv_lib_pcre_pcre_compile=no + ac_cv_lib_c_re_compile_pattern=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcre_pcre_compile" >&5 -$as_echo "$ac_cv_lib_pcre_pcre_compile" >&6; } -if test "x$ac_cv_lib_pcre_pcre_compile" = xyes; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: using pcre" >&5 -$as_echo "using pcre" >&6; }; $as_echo "#define HAVE_PCRE 1" >>confdefs.h - LIBS="$LIBS -lpcre" have_regex=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_re_compile_pattern" >&5 +$as_echo "$ac_cv_lib_c_re_compile_pattern" >&6; } +if test "x$ac_cv_lib_c_re_compile_pattern" = xyes; then : + $as_echo "#define HAVE_GNU_REGEX 1" >>confdefs.h + have_regex=yes; supported_regex="$supported_regex gnu" fi fi @@ -5364,9 +5363,8 @@ if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = regcmp; then ac_fn_c_check_func "$LINENO" "regcmp" "ac_cv_func_regcmp" if test "x$ac_cv_func_regcmp" = xyes; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: using regcmp" >&5 -$as_echo "using regcmp" >&6; }; $as_echo "#define HAVE_REGCMP 1" >>confdefs.h - have_regex=yes + $as_echo "#define HAVE_REGCMP 1" >>confdefs.h + have_regex=yes; supported_regex="$supported_regex regcmp" fi fi @@ -5374,6 +5372,8 @@ fi if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for V8 regcomp" >&5 +$as_echo_n "checking for V8 regcomp... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -5387,9 +5387,12 @@ regcomp(""); } _ACEOF if ac_fn_c_try_link "$LINENO"; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: using V8 regcomp" >&5 -$as_echo "using V8 regcomp" >&6; }; $as_echo "#define HAVE_V8_REGCOMP 1" >>confdefs.h - have_regex=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; }; $as_echo "#define HAVE_V8_REGCOMP 1" >>confdefs.h + have_regex=yes; supported_regex="$supported_regex regcomp" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext @@ -5400,18 +5403,21 @@ if test $have_regex = no && test -f ${srcdir}/regexp.c; then if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp-local; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: using V8 regcomp -- local source" >&5 $as_echo "using V8 regcomp -- local source" >&6; }; $as_echo "#define HAVE_V8_REGCOMP 1" >>confdefs.h - $as_echo "#define HAVE_REGEXEC2 1" >>confdefs.h + +supported_regex="$supported_regex regcomp-local" +$as_echo "#define HAVE_REGEXEC2 1" >>confdefs.h REGEX_O='regexp.$(O)' have_regex=yes fi fi if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = re_comp; then -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: using re_comp" >&5 -$as_echo "using re_comp" >&6; }; ac_fn_c_check_func "$LINENO" "re_comp" "ac_cv_func_re_comp" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for re_comp" >&5 +$as_echo_n "checking for re_comp... " >&6; } +ac_fn_c_check_func "$LINENO" "re_comp" "ac_cv_func_re_comp" if test "x$ac_cv_func_re_comp" = xyes; then : $as_echo "#define HAVE_RE_COMP 1" >>confdefs.h - have_regex=yes + have_regex=yes; supported_regex="$supported_regex re_comp" fi fi @@ -5420,15 +5426,17 @@ fi if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = none; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: using no regex" >&5 -$as_echo "using no regex" >&6; }; have_regex=yes; +$as_echo "using no regex" >&6; } +else +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cannot find regular expression library" >&5 +$as_echo "$as_me: WARNING: cannot find regular expression library" >&2;} fi +$as_echo "#define NO_REGEX 1" >>confdefs.h + supported_regex="$supported_regex none" fi -if test $have_regex = no; then -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: cannot find regular expression library" >&5 -$as_echo "cannot find regular expression library" >&6; }; $as_echo "#define NO_REGEX 1" >>confdefs.h - -fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: regular expression library: $supported_regex" >&5 +$as_echo "regular expression library: $supported_regex" >&6; } # Check whether --with-editor was given. diff --git a/contrib/less/configure.ac b/contrib/less/configure.ac index 167f8ba62..4ac9a351d 100644 --- a/contrib/less/configure.ac +++ b/contrib/less/configure.ac @@ -383,7 +383,7 @@ fi # Checks for regular expression functions. have_regex=no have_posix_regex=unknown -AC_MSG_CHECKING(for regcomp) +supported_regex="" # Select a regular expression library. WANT_REGEX=auto @@ -395,6 +395,7 @@ if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = posix; then # Some versions of Solaris have a regcomp() function, but it doesn't work! # So we run a test program. If we're cross-compiling, do it the old way. +AC_MSG_CHECKING(for POSIX regcomp) AC_TRY_RUN([ #include #include @@ -409,16 +410,16 @@ if (rm.rm_sp != text + 1) exit(1); /* check for correct offset */ exit(0); }], have_posix_regex=yes, have_posix_regex=no, have_posix_regex=unknown) if test $have_posix_regex = yes; then - AC_MSG_RESULT(using POSIX regcomp) - AC_DEFINE(HAVE_POSIX_REGCOMP) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_POSIX_REGCOMP) supported_regex="$supported_regex posix" have_regex=yes elif test $have_posix_regex = unknown; then AC_TRY_LINK([ #include #include ], [regex_t *r; regfree(r);], - AC_MSG_RESULT(using POSIX regcomp) - AC_DEFINE(HAVE_POSIX_REGCOMP) have_regex=yes) + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_POSIX_REGCOMP) have_regex=yes; supported_regex="$supported_regex posix") else AC_MSG_RESULT(no) fi @@ -426,55 +427,61 @@ fi fi if test $have_regex = no; then -if test $WANT_REGEX = auto -o $WANT_REGEX = gnu; then -AC_CHECK_LIB(c, re_compile_pattern, -[AC_MSG_RESULT(using gnu); AC_DEFINE(HAVE_GNU_REGEX) have_regex=yes], []) +if test $WANT_REGEX = auto -o $WANT_REGEX = pcre; then +AC_CHECK_LIB(pcre, pcre_compile, +[AC_DEFINE(HAVE_PCRE) LIBS="$LIBS -lpcre" have_regex=yes; supported_regex="$supported_regex pcre"], []) fi fi if test $have_regex = no; then -if test $WANT_REGEX = auto -o $WANT_REGEX = pcre; then -AC_CHECK_LIB(pcre, pcre_compile, -[AC_MSG_RESULT(using pcre); AC_DEFINE(HAVE_PCRE) LIBS="$LIBS -lpcre" have_regex=yes], []) +if test $WANT_REGEX = auto -o $WANT_REGEX = gnu; then +AC_CHECK_LIB(c, re_compile_pattern, +[AC_DEFINE(HAVE_GNU_REGEX) have_regex=yes; supported_regex="$supported_regex gnu"], []) fi fi if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = regcmp; then AC_CHECK_FUNC(regcmp, -AC_MSG_RESULT(using regcmp); AC_DEFINE(HAVE_REGCMP) have_regex=yes) +[AC_DEFINE(HAVE_REGCMP) have_regex=yes; supported_regex="$supported_regex regcmp"],[]) fi fi if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp; then +AC_MSG_CHECKING(for V8 regcomp) AC_TRY_LINK([ #include "regexp.h"], [regcomp("");], -AC_MSG_RESULT(using V8 regcomp); AC_DEFINE(HAVE_V8_REGCOMP) have_regex=yes) +[AC_MSG_RESULT(yes); AC_DEFINE(HAVE_V8_REGCOMP) have_regex=yes; supported_regex="$supported_regex regcomp"],[AC_MSG_RESULT(no)]) fi fi if test $have_regex = no && test -f ${srcdir}/regexp.c; then if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp-local; then -AC_MSG_RESULT(using V8 regcomp -- local source); AC_DEFINE(HAVE_V8_REGCOMP) AC_DEFINE(HAVE_REGEXEC2) REGEX_O='regexp.$(O)' AC_SUBST(REGEX_O) have_regex=yes +AC_MSG_RESULT(using V8 regcomp -- local source); AC_DEFINE(HAVE_V8_REGCOMP) +supported_regex="$supported_regex regcomp-local" +AC_DEFINE(HAVE_REGEXEC2) REGEX_O='regexp.$(O)' AC_SUBST(REGEX_O) have_regex=yes fi fi if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = re_comp; then -AC_MSG_RESULT(using re_comp); AC_CHECK_FUNC(re_comp, AC_DEFINE(HAVE_RE_COMP) have_regex=yes) +AC_MSG_CHECKING(for re_comp) +AC_CHECK_FUNC(re_comp, +[AC_DEFINE(HAVE_RE_COMP) have_regex=yes; supported_regex="$supported_regex re_comp"],[]) fi fi if test $have_regex = no; then if test $WANT_REGEX = auto -o $WANT_REGEX = none; then -AC_MSG_RESULT(using no regex); have_regex=yes; +AC_MSG_RESULT(using no regex) +else +AC_MSG_WARN(cannot find regular expression library) fi +AC_DEFINE(NO_REGEX) supported_regex="$supported_regex none" fi -if test $have_regex = no; then -AC_MSG_RESULT(cannot find regular expression library); AC_DEFINE(NO_REGEX) -fi +AC_MSG_RESULT(regular expression library: $supported_regex) AC_ARG_WITH(editor, [ --with-editor=PROGRAM use PROGRAM as the default editor [vi]], @@ -662,6 +669,7 @@ AH_TOP([ /* * Sizes of various buffers. */ +#if 0 /* old sizes for small memory machines */ #define CMDBUF_SIZE 512 /* Buffer for multichar commands */ #define UNGOT_SIZE 100 /* Max chars to unget() */ #define LINEBUF_SIZE 1024 /* Max size of line in input file */ @@ -671,6 +679,17 @@ AH_TOP([ #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ #define TAGLINE_SIZE 512 /* Max size of line in tags file */ #define TABSTOP_MAX 32 /* Max number of custom tab stops */ +#else /* more reasonable sizes for modern machines */ +#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ +#define UNGOT_SIZE 200 /* Max chars to unget() */ +#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ +#define OUTBUF_SIZE 1024 /* Output buffer */ +#define PROMPT_SIZE 2048 /* Max size of prompt string */ +#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ +#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ +#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ +#define TABSTOP_MAX 128 /* Max number of custom tab stops */ +#endif /* Settings automatically determined by configure. */ ]) diff --git a/contrib/less/defines.ds b/contrib/less/defines.ds index 74187e195..d85f47945 100644 --- a/contrib/less/defines.ds +++ b/contrib/less/defines.ds @@ -185,6 +185,7 @@ /* * Sizes of various buffers. */ +#if 0 /* old sizes for small memory machines #define CMDBUF_SIZE 512 /* Buffer for multichar commands */ #define UNGOT_SIZE 100 /* Max chars to unget() */ #define LINEBUF_SIZE 1024 /* Max size of line in input file */ @@ -194,6 +195,17 @@ #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ #define TAGLINE_SIZE 512 /* Max size of line in tags file */ #define TABSTOP_MAX 32 /* Max number of custom tab stops */ +#else /* more reasonable sizes for modern machines */ +#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ +#define UNGOT_SIZE 200 /* Max chars to unget() */ +#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ +#define OUTBUF_SIZE 1024 /* Output buffer */ +#define PROMPT_SIZE 2048 /* Max size of prompt string */ +#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ +#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ +#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ +#define TABSTOP_MAX 128 /* Max number of custom tab stops */ +#endif /* Define to `long' if doesn't define. */ #if MSDOS_COMPILER==BORLANDC diff --git a/contrib/less/defines.h.in b/contrib/less/defines.h.in index a5e8b69d6..bfd0ab78d 100644 --- a/contrib/less/defines.h.in +++ b/contrib/less/defines.h.in @@ -182,6 +182,7 @@ /* * Sizes of various buffers. */ +#if 0 /* old sizes for small memory machines */ #define CMDBUF_SIZE 512 /* Buffer for multichar commands */ #define UNGOT_SIZE 100 /* Max chars to unget() */ #define LINEBUF_SIZE 1024 /* Max size of line in input file */ @@ -191,6 +192,17 @@ #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ #define TAGLINE_SIZE 512 /* Max size of line in tags file */ #define TABSTOP_MAX 32 /* Max number of custom tab stops */ +#else /* more reasonable sizes for modern machines */ +#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ +#define UNGOT_SIZE 200 /* Max chars to unget() */ +#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ +#define OUTBUF_SIZE 1024 /* Output buffer */ +#define PROMPT_SIZE 2048 /* Max size of prompt string */ +#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ +#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ +#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ +#define TABSTOP_MAX 128 /* Max number of custom tab stops */ +#endif /* Settings automatically determined by configure. */ diff --git a/contrib/less/defines.o2 b/contrib/less/defines.o2 index d71cf347e..578091d19 100644 --- a/contrib/less/defines.o2 +++ b/contrib/less/defines.o2 @@ -166,6 +166,7 @@ /* * Sizes of various buffers. */ +#if 0 /* old sizes for small memory machines #define CMDBUF_SIZE 512 /* Buffer for multichar commands */ #define UNGOT_SIZE 100 /* Max chars to unget() */ #define LINEBUF_SIZE 1024 /* Max size of line in input file */ @@ -175,6 +176,17 @@ #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ #define TAGLINE_SIZE 512 /* Max size of line in tags file */ #define TABSTOP_MAX 32 /* Max number of custom tab stops */ +#else /* more reasonable sizes for modern machines */ +#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ +#define UNGOT_SIZE 200 /* Max chars to unget() */ +#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ +#define OUTBUF_SIZE 1024 /* Output buffer */ +#define PROMPT_SIZE 2048 /* Max size of prompt string */ +#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ +#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ +#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ +#define TABSTOP_MAX 128 /* Max number of custom tab stops */ +#endif /* Define to `long' if doesn't define. */ /* #define off_t long */ diff --git a/contrib/less/defines.o9 b/contrib/less/defines.o9 index 0bb570ed7..507ec198d 100644 --- a/contrib/less/defines.o9 +++ b/contrib/less/defines.o9 @@ -173,6 +173,7 @@ /* * Sizes of various buffers. */ +#if 0 /* old sizes for small memory machines #define CMDBUF_SIZE 512 /* Buffer for multichar commands */ #define UNGOT_SIZE 100 /* Max chars to unget() */ #define LINEBUF_SIZE 1024 /* Max size of line in input file */ @@ -182,6 +183,17 @@ #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ #define TAGLINE_SIZE 512 /* Max size of line in tags file */ #define TABSTOP_MAX 32 /* Max number of custom tab stops */ +#else /* more reasonable sizes for modern machines */ +#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ +#define UNGOT_SIZE 200 /* Max chars to unget() */ +#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ +#define OUTBUF_SIZE 1024 /* Output buffer */ +#define PROMPT_SIZE 2048 /* Max size of prompt string */ +#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ +#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ +#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ +#define TABSTOP_MAX 128 /* Max number of custom tab stops */ +#endif /* Define to `long' if doesn't define. */ #define off_t long diff --git a/contrib/less/defines.wn b/contrib/less/defines.wn index d9e02099f..dd92261e8 100644 --- a/contrib/less/defines.wn +++ b/contrib/less/defines.wn @@ -167,6 +167,7 @@ /* * Sizes of various buffers. */ +#if 0 /* old sizes for small memory machines #define CMDBUF_SIZE 512 /* Buffer for multichar commands */ #define UNGOT_SIZE 100 /* Max chars to unget() */ #define LINEBUF_SIZE 1024 /* Max size of line in input file */ @@ -176,6 +177,17 @@ #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ #define TAGLINE_SIZE 512 /* Max size of line in tags file */ #define TABSTOP_MAX 32 /* Max number of custom tab stops */ +#else /* more reasonable sizes for modern machines */ +#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ +#define UNGOT_SIZE 200 /* Max chars to unget() */ +#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ +#define OUTBUF_SIZE 1024 /* Output buffer */ +#define PROMPT_SIZE 2048 /* Max size of prompt string */ +#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ +#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ +#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ +#define TABSTOP_MAX 128 /* Max number of custom tab stops */ +#endif /* Define to `long' if doesn't define. */ /* #define off_t long */ diff --git a/contrib/less/help.c b/contrib/less/help.c index 85797f62a..46b8ff1ec 100644 --- a/contrib/less/help.c +++ b/contrib/less/help.c @@ -110,7 +110,7 @@ constant char helpdata[] = { ' ',' ',' ',' ',' ',' ',' ',' ','M','o','s','t',' ','o','p','t','i','o','n','s',' ','m','a','y',' ','b','e',' ','c','h','a','n','g','e','d',' ','e','i','t','h','e','r',' ','o','n',' ','t','h','e',' ','c','o','m','m','a','n','d',' ','l','i','n','e',',','\n', ' ',' ',' ',' ',' ',' ',' ',' ','o','r',' ','f','r','o','m',' ','w','i','t','h','i','n',' ','l','e','s','s',' ','b','y',' ','u','s','i','n','g',' ','t','h','e',' ','-',' ','o','r',' ','-','-',' ','c','o','m','m','a','n','d','.','\n', ' ',' ',' ',' ',' ',' ',' ',' ','O','p','t','i','o','n','s',' ','m','a','y',' ','b','e',' ','g','i','v','e','n',' ','i','n',' ','o','n','e',' ','o','f',' ','t','w','o',' ','f','o','r','m','s',':',' ','e','i','t','h','e','r',' ','a',' ','s','i','n','g','l','e','\n', -' ',' ',' ',' ',' ',' ',' ',' ','c','h','a','r','a','c','t','e','r',' ','p','r','e','c','e','d','e','d',' ','b','y',' ','a',' ','-',',',' ','o','r',' ','a',' ','n','a','m','e',' ','p','r','e','c','e','e','d','e','d',' ','b','y',' ','-','-','.','\n', +' ',' ',' ',' ',' ',' ',' ',' ','c','h','a','r','a','c','t','e','r',' ','p','r','e','c','e','d','e','d',' ','b','y',' ','a',' ','-',',',' ','o','r',' ','a',' ','n','a','m','e',' ','p','r','e','c','e','d','e','d',' ','b','y',' ','-','-','.','\n', '\n', ' ',' ','-','?',' ',' ','.','.','.','.','.','.','.','.',' ',' ','-','-','h','e','l','p','\n', ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','D','i','s','p','l','a','y',' ','h','e','l','p',' ','(','f','r','o','m',' ','c','o','m','m','a','n','d',' ','l','i','n','e',')','.','\n', diff --git a/contrib/less/less.hlp b/contrib/less/less.hlp index a8505619e..45a7fe590 100644 --- a/contrib/less/less.hlp +++ b/contrib/less/less.hlp @@ -107,7 +107,7 @@ Most options may be changed either on the command line, or from within less by using the - or -- command. Options may be given in one of two forms: either a single - character preceded by a -, or a name preceeded by --. + character preceded by a -, or a name preceded by --. -? ........ --help Display help (from command line). diff --git a/contrib/less/less.man b/contrib/less/less.man index 1dab1c27c..7b9a66607 100644 --- a/contrib/less/less.man +++ b/contrib/less/less.man @@ -437,13 +437,18 @@ LESS(1) LESS(1) appears in the LESS variable, it can be reset to its default value on the command line by beginning the command line option with "-+". - For options like -P or -D which take a following string, a dollar sign - ($) must be used to signal the end of the string. For example, to set - two -D options on MS-DOS, you must have a dollar sign between them, + Some options like -k or -D require a string to follow the option let- + ter. The string for that option is considered to end when a dollar + sign ($) is found. For example, you can set two -D options on MS-DOS like this: - LESS="-Dn9.1$-Ds4.1" + LESS="Dn9.1$Ds4.1" + If the --use-backslash option appears earlier in the options, then a + dollar sign or backslash may be included literally in an option string + by preceding it with a backslash. If the --use-backslash option is not + in effect, then backslashes are not treated specially, and there is no + way to include a dollar sign in the option string. -? or --help This option displays a summary of the commands accepted by less @@ -836,11 +841,6 @@ LESS(1) LESS(1) actual scroll remains at the specified fraction of the screen width. - --no-keypad - Disables sending the keypad initialization and deinitialization - strings to the terminal. This is sometimes useful if the keypad - strings make the numeric keypad behave in an undesirable manner. - --follow-name Normally, if the input file is renamed while an F command is executing, less will continue to display the contents of the @@ -851,6 +851,18 @@ LESS(1) LESS(1) has been created with the same name as the original (now renamed) file), less will display the contents of that new file. + --no-keypad + Disables sending the keypad initialization and deinitialization + strings to the terminal. This is sometimes useful if the keypad + strings make the numeric keypad behave in an undesirable manner. + + --use-backslash + This option changes the interpretations of options which follow + this one. After the --use-backslash option, any backslash in an + option string is removed and the following character is taken + literally. This allows a dollar sign to be included in option + strings. + -- A command line argument of "--" marks the end of option argu- ments. Any arguments following this are interpreted as file- names. This can be useful when viewing a file whose name begins @@ -1597,8 +1609,8 @@ LESS(1) LESS(1) AUTHOR - Mark Nudelman - Send bug reports or comments to bug-less@gnu.org. + Mark Nudelman + Send bug reports or comments to See http://www.greenwoodsoftware.com/less/bugs.html for the latest list of known bugs in less. For more information, see the less homepage at @@ -1606,4 +1618,4 @@ LESS(1) LESS(1) - Version 451: 21 Jul 2012 LESS(1) + Version 458: 04 Apr 2013 LESS(1) diff --git a/contrib/less/less.nro b/contrib/less/less.nro index 9c00d21ae..eba98eee0 100644 --- a/contrib/less/less.nro +++ b/contrib/less/less.nro @@ -1,4 +1,4 @@ -.TH LESS 1 "Version 451: 21 Jul 2012" +.TH LESS 1 "Version 458: 04 Apr 2013" .SH NAME less \- opposite of more .SH SYNOPSIS @@ -455,13 +455,18 @@ If an option appears in the LESS variable, it can be reset to its default value on the command line by beginning the command line option with "\-+". .sp -For options like \-P or \-D which take a following string, -a dollar sign ($) must be used to signal the end of the string. -For example, to set two \-D options on MS-DOS, you must have -a dollar sign between them, like this: +Some options like \-k or \-D require a string to follow the option letter. +The string for that option is considered to end when a dollar sign ($) is found. +For example, you can set two \-D options on MS-DOS like this: .sp -LESS="-Dn9.1$-Ds4.1" +LESS="Dn9.1$Ds4.1" .sp +If the --use-backslash option appears earlier in the options, then +a dollar sign or backslash may be included literally in an option string +by preceding it with a backslash. +If the --use-backslash option is not in effect, then backslashes are +not treated specially, and there is no way to include a dollar sign +in the option string. .IP "\-? or \-\-help" This option displays a summary of the commands accepted by .I less @@ -890,11 +895,6 @@ If the number is specified as a fraction, the actual number of scroll positions is recalculated if the terminal window is resized, so that the actual scroll remains at the specified fraction of the screen width. -.IP "\-\-no-keypad" -Disables sending the keypad initialization and deinitialization strings -to the terminal. -This is sometimes useful if the keypad strings make the numeric -keypad behave in an undesirable manner. .IP "\-\-follow-name" Normally, if the input file is renamed while an F command is executing, .I less @@ -908,6 +908,16 @@ If the reopen succeeds and the file is a different file from the original with the same name as the original (now renamed) file), .I less will display the contents of that new file. +.IP "\-\-no-keypad" +Disables sending the keypad initialization and deinitialization strings +to the terminal. +This is sometimes useful if the keypad strings make the numeric +keypad behave in an undesirable manner. +.IP "\-\-use-backslash" +This option changes the interpretations of options which follow this one. +After the \-\-use-backslash option, any backslash in an option string is +removed and the following character is taken literally. +This allows a dollar sign to be included in option strings. .IP \-\- A command line argument of "\-\-" marks the end of option arguments. Any arguments following this are interpreted as filenames. @@ -1739,9 +1749,9 @@ See the GNU General Public License for more details. .SH AUTHOR .PP -Mark Nudelman +Mark Nudelman .br -Send bug reports or comments to bug-less@gnu.org. +Send bug reports or comments to .br See http://www.greenwoodsoftware.com/less/bugs.html for the latest list of known bugs in less. .br diff --git a/contrib/less/lessecho.man b/contrib/less/lessecho.man index 8dda5ab92..470a00e87 100644 --- a/contrib/less/lessecho.man +++ b/contrib/less/lessecho.man @@ -51,4 +51,4 @@ LESSECHO(1) LESSECHO(1) - Version 451: 21 Jul 2012 LESSECHO(1) + Version 458: 04 Apr 2013 LESSECHO(1) diff --git a/contrib/less/lessecho.nro b/contrib/less/lessecho.nro index 0e6269806..d7fb39099 100644 --- a/contrib/less/lessecho.nro +++ b/contrib/less/lessecho.nro @@ -1,4 +1,4 @@ -.TH LESSECHO 1 "Version 451: 21 Jul 2012" +.TH LESSECHO 1 "Version 458: 04 Apr 2013" .SH NAME lessecho \- expand metacharacters .SH SYNOPSIS diff --git a/contrib/less/lesskey.man b/contrib/less/lesskey.man index 968ee1b5d..9864d4018 100644 --- a/contrib/less/lesskey.man +++ b/contrib/less/lesskey.man @@ -353,4 +353,4 @@ LESSKEY(1) LESSKEY(1) - Version 451: 21 Jul 2012 LESSKEY(1) + Version 458: 04 Apr 2013 LESSKEY(1) diff --git a/contrib/less/lesskey.nro b/contrib/less/lesskey.nro index 4b6f2f4fb..2bbd88785 100644 --- a/contrib/less/lesskey.nro +++ b/contrib/less/lesskey.nro @@ -1,4 +1,4 @@ -.TH LESSKEY 1 "Version 451: 21 Jul 2012" +.TH LESSKEY 1 "Version 458: 04 Apr 2013" .SH NAME lesskey \- specify key bindings for less .SH SYNOPSIS diff --git a/contrib/less/option.c b/contrib/less/option.c index 22de61488..2c26dc695 100644 --- a/contrib/less/option.c +++ b/contrib/less/option.c @@ -30,6 +30,7 @@ extern int screen_trashed; extern int less_is_more; extern int quit_at_eof; extern char *every_first_cmd; +extern int opt_use_backslash; /* * Return a printable description of an option. @@ -146,10 +147,13 @@ scan_option(s) */ plusoption = TRUE; s = optstring(s, &str, propt('+'), NULL); + if (s == NULL) + return; if (*str == '+') - every_first_cmd = save(++str); + every_first_cmd = save(str+1); else ungetsc(str); + free(str); continue; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': @@ -202,7 +206,7 @@ scan_option(s) parg.p_string = printopt; error("The %s option should not be followed by =", &parg); - quit(QUIT_ERROR); + return; } s++; } else @@ -223,7 +227,7 @@ scan_option(s) else error("There is no %s option (\"less --help\" for help)", &parg); - quit(QUIT_ERROR); + return; } str = NULL; @@ -260,6 +264,8 @@ scan_option(s) while (*s == ' ') s++; s = optstring(s, &str, printopt, o->odesc[1]); + if (s == NULL) + return; break; case NUMBER: if (*s == '\0') @@ -275,6 +281,8 @@ scan_option(s) */ if (o->ofunc != NULL) (*o->ofunc)(INIT, str); + if (str != NULL) + free(str); } } @@ -558,35 +566,33 @@ optstring(s, p_str, printopt, validchars) char *validchars; { register char *p; + register char *out; if (*s == '\0') { nostring(printopt); - quit(QUIT_ERROR); + return (NULL); } - *p_str = s; + /* Alloc could be more than needed, but not worth trimming. */ + *p_str = (char *) ecalloc(strlen(s)+1, sizeof(char)); + out = *p_str; + for (p = s; *p != '\0'; p++) { - if (*p == END_OPTION_STRING || - (validchars != NULL && strchr(validchars, *p) == NULL)) + if (opt_use_backslash && *p == '\\' && p[1] != '\0') { - switch (*p) - { - case END_OPTION_STRING: - case ' ': case '\t': case '-': - /* Replace the char with a null to terminate string. */ - *p++ = '\0'; - break; - default: - /* Cannot replace char; make a copy of the string. */ - *p_str = (char *) ecalloc(p-s+1, sizeof(char)); - strncpy(*p_str, s, p-s); - (*p_str)[p-s] = '\0'; + /* Take next char literally. */ + ++p; + } else + { + if (*p == END_OPTION_STRING || + (validchars != NULL && strchr(validchars, *p) == NULL)) + /* End of option string. */ break; - } - break; } + *out++ = *p; } + *out = '\0'; return (p); } @@ -609,8 +615,6 @@ num_error(printopt, errp) parg.p_string = printopt; error("Number is required after %s", &parg); } - quit(QUIT_ERROR); - /* NOTREACHED */ return (-1); } diff --git a/contrib/less/opttbl.c b/contrib/less/opttbl.c index 014679365..6f582bf50 100644 --- a/contrib/less/opttbl.c +++ b/contrib/less/opttbl.c @@ -52,6 +52,7 @@ public int use_lessopen; /* Use the LESSOPEN filter */ public int quit_on_intr; /* Quit on interrupt */ public int follow_mode; /* F cmd Follows file desc or file name? */ public int oldbot; /* Old bottom of screen behavior {{REMOVE}} */ +public int opt_use_backslash; /* Use backslash escaping in option parsing */ #if HILITE_SEARCH public int hilite_search; /* Highlight matched search patterns? */ #endif @@ -115,6 +116,7 @@ static struct optname pound_optname = { "shift", NULL }; static struct optname keypad_optname = { "no-keypad", NULL }; static struct optname oldbot_optname = { "old-bot", NULL }; static struct optname follow_optname = { "follow-name", NULL }; +static struct optname use_backslash_optname = { "use-backslash", NULL }; /* @@ -446,6 +448,14 @@ static struct loption option[] = NULL } }, + { OLETTER_NONE, &use_backslash_optname, + BOOL, OPT_OFF, &opt_use_backslash, NULL, + { + "Use backslash escaping in command line parameters", + "Don't use backslash escaping in command line parameters", + NULL + } + }, { '\0', NULL, NOVAR, 0, NULL, NULL, { NULL, NULL, NULL } } }; diff --git a/contrib/less/output.c b/contrib/less/output.c index bcc8471c8..e1f2cff12 100644 --- a/contrib/less/output.c +++ b/contrib/less/output.c @@ -278,8 +278,13 @@ flush() */ if (p[-2] == '[') { +#if MSDOS_COMPILER==WIN32C + fg |= FOREGROUND_INTENSITY; + bg |= BACKGROUND_INTENSITY; +#else fg = bo_fg_color; bg = bo_bg_color; +#endif } else fg |= 8; } else if (at & 2) diff --git a/contrib/less/position.c b/contrib/less/position.c index 95183073d..b655f077e 100644 --- a/contrib/less/position.c +++ b/contrib/less/position.c @@ -162,7 +162,7 @@ empty_lines(s, e) register int i; for (i = s; i <= e; i++) - if (table[i] != NULL_POSITION) + if (table[i] != NULL_POSITION && table[i] != 0) return (0); return (1); } diff --git a/contrib/less/screen.c b/contrib/less/screen.c index 48b41b92c..dffe9fd36 100644 --- a/contrib/less/screen.c +++ b/contrib/less/screen.c @@ -802,7 +802,7 @@ scrsize() else if ((n = ltgetnum("li")) > 0) sc_height = n; #endif - else + if (sc_height <= 0) sc_height = DEF_SC_HEIGHT; if (sys_width > 0) @@ -813,7 +813,7 @@ scrsize() else if ((n = ltgetnum("co")) > 0) sc_width = n; #endif - else + if (sc_width <= 0) sc_width = DEF_SC_WIDTH; } diff --git a/contrib/less/version.c b/contrib/less/version.c index 926e84067..d3ecd14fd 100644 --- a/contrib/less/version.c +++ b/contrib/less/version.c @@ -753,6 +753,15 @@ v448 6/15/12 Print name of regex library in version message. v449 6/23/12 Allow config option --with-regex=none. v450 7/4/12 Fix EOF bug with ESC-F. v451 7/20/12 Fix typo. +----------------------------------------------------------------- +v452 10/19/12 Fix --with-regex=none, fix "stty 0", fix Win32. + Don't quit if errors in cmd line options. +v453 10/27/12 Increase buffer sizes. +v454 11/5/12 Fix typo. +v455 11/5/12 Fix typo. +v456 11/8/12 Fix option string incompatibility. +v457 12/8/12 Use new option string syntax only after --use-backslash. +v458 4/4/13 Fix display bug in using up/down in cmd buffer. */ -char version[] = "451"; +char version[] = "458"; diff --git a/usr.bin/less/defines.h b/usr.bin/less/defines.h index fe8f1bcd4..27b73ceff 100644 --- a/usr.bin/less/defines.h +++ b/usr.bin/less/defines.h @@ -184,6 +184,7 @@ /* * Sizes of various buffers. */ +#if 0 /* old sizes for small memory machines */ #define CMDBUF_SIZE 512 /* Buffer for multichar commands */ #define UNGOT_SIZE 100 /* Max chars to unget() */ #define LINEBUF_SIZE 1024 /* Max size of line in input file */ @@ -193,6 +194,17 @@ #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ #define TAGLINE_SIZE 512 /* Max size of line in tags file */ #define TABSTOP_MAX 32 /* Max number of custom tab stops */ +#else /* more reasonable sizes for modern machines */ +#define CMDBUF_SIZE 2048 /* Buffer for multichar commands */ +#define UNGOT_SIZE 200 /* Max chars to unget() */ +#define LINEBUF_SIZE 1024 /* Initial max size of line in input file */ +#define OUTBUF_SIZE 1024 /* Output buffer */ +#define PROMPT_SIZE 2048 /* Max size of prompt string */ +#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ +#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ +#define TAGLINE_SIZE 1024 /* Max size of line in tags file */ +#define TABSTOP_MAX 128 /* Max number of custom tab stops */ +#endif /* Settings automatically determined by configure. */ -- 2.45.0