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Vendor import of less v453 (beta).

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This commit is contained in:
Xin LI 2012-11-04 20:47:39 +00:00
parent 9fd1a2751f
commit 55772d5d72
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor/less/dist/; revision=242581
svn path=/vendor/less/v453/; revision=242582; tag=vendor/less/v453
20 changed files with 696 additions and 567 deletions
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16
NEWS
View File

@ -9,6 +9,22 @@
To report bugs, suggestions or comments, send email to bug-less@gnu.org.
======================================================================
Major changes between "less" versions 451 and 453
* Allow backslash escaping of metacharacters in LESS environment variable.
* 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.
======================================================================
Major changes between "less" versions 444 and 451

4
README
View File

@ -1,7 +1,7 @@
Less, version 451
Less, version 453
This is the distribution of less, version 451, released 21 Jul 2012.
This is the distribution of less, version 453, released 27 Oct 2012.
This program is part of the GNU project (http://www.gnu.org).
This program is free software. You may redistribute it and/or

156
configure vendored
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@ -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
@ -5266,53 +5267,6 @@ fi
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 :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lc $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char re_compile_pattern ();
int
main ()
{
return re_compile_pattern ();
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_c_re_compile_pattern=yes
else
ac_cv_lib_c_re_compile_pattern=no
fi
rm -f core conftest.err conftest.$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_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
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
@ -5352,9 +5306,54 @@ 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
$as_echo "#define HAVE_PCRE 1" >>confdefs.h
LIBS="$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 = 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="-lc $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char re_compile_pattern ();
int
main ()
{
return re_compile_pattern ();
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_c_re_compile_pattern=yes
else
ac_cv_lib_c_re_compile_pattern=no
fi
rm -f core conftest.err conftest.$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_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.

57
configure.ac
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@ -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 <sys/types.h>
#include <regex.h>
@ -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 $have_posix_regex = unknown; then
AC_TRY_LINK([
#include <sys/types.h>
#include <regex.h>],
[regex_t *r; regfree(r);],
AC_MSG_RESULT(using POSIX regcomp)
AC_DEFINE(HAVE_POSIX_REGCOMP) have_regex=yes)
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_POSIX_REGCOMP) have_regex=yes; supported_regex="$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. */
])

12
defines.ds
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@ -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 <sys/types.h> doesn't define. */
#if MSDOS_COMPILER==BORLANDC

12
defines.h.in
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@ -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. */

12
defines.o2
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@ -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 <sys/types.h> doesn't define. */
/* #define off_t long */

12
defines.o9
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@ -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 <sys/types.h> doesn't define. */
#define off_t long

12
defines.wn
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@ -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 <sys/types.h> doesn't define. */
/* #define off_t long */

874
less.man
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23
less.nro
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@ -1,4 +1,4 @@
.TH LESS 1 "Version 451: 21 Jul 2012"
.TH LESS 1 "Version 453: 27 Oct 2012"
.SH NAME
less \- opposite of more
.SH SYNOPSIS
@ -455,13 +455,20 @@ 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 ($) must be used to signal the end of the string.
For example, to set two \-D options on MS-DOS, you must have
a dollar sign between them, like this:
Some options like \-k or \-D require a string to follow the option letter.
The string for that option is considered to end when a space, tab,
dash or dollar sign ($) is found.
For example, to set two \-D options on MS-DOS,
you can separate them with a dollar sign, like this:
.sp
LESS="-Dn9.1$-Ds4.1"
LESS="Dn9.1$Ds4.1"
.sp
or a space like this:
.sp
LESS="Dn9.1 Ds4.1"
.sp
Any character may be included literally in an option string
by preceding it with a backslash.
.IP "\-? or \-\-help"
This option displays a summary of the commands accepted by
.I less
@ -1739,9 +1746,9 @@ See the GNU General Public License for more details.
.SH AUTHOR
.PP
Mark Nudelman <bug-less@gnu.org>
Mark Nudelman
.br
Send bug reports or comments to bug-less@gnu.org.
Send bug reports or comments to <bug-less@gnu.org>
.br
See http://www.greenwoodsoftware.com/less/bugs.html for the latest list of known bugs in less.
.br

2
lessecho.man
View File

@ -51,4 +51,4 @@ LESSECHO(1) LESSECHO(1)
Version 451: 21 Jul 2012 LESSECHO(1)
Version 453: 27 Oct 2012 LESSECHO(1)

2
lessecho.nro
View File

@ -1,4 +1,4 @@
.TH LESSECHO 1 "Version 451: 21 Jul 2012"
.TH LESSECHO 1 "Version 453: 27 Oct 2012"
.SH NAME
lessecho \- expand metacharacters
.SH SYNOPSIS

2
lesskey.man
View File

@ -353,4 +353,4 @@ LESSKEY(1) LESSKEY(1)
Version 451: 21 Jul 2012 LESSKEY(1)
Version 453: 27 Oct 2012 LESSKEY(1)

2
lesskey.nro
View File

@ -1,4 +1,4 @@
.TH LESSKEY 1 "Version 451: 21 Jul 2012"
.TH LESSKEY 1 "Version 453: 27 Oct 2012"
.SH NAME
lesskey \- specify key bindings for less
.SH SYNOPSIS

48
option.c
View File

@ -146,10 +146,13 @@ scan_option(s)
*/
plusoption = TRUE;
s = optstring(s, &str, propt('+'), NULL);
if (s == NULL)
return;
if (*str == '+')
every_first_cmd = save(++str);
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 +205,7 @@ 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 +226,7 @@ scan_option(s)
else
error("There is no %s option (\"less --help\" for help)",
&parg);
quit(QUIT_ERROR);
return;
}
str = NULL;
@ -260,6 +263,8 @@ 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 +280,8 @@ scan_option(s)
*/
if (o->ofunc != NULL)
(*o->ofunc)(INIT, str);
if (str != NULL)
free(str);
}
}
@ -558,35 +565,34 @@ 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 (*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';
/* Take next char literally. */
++p;
} else
{
if (*p == END_OPTION_STRING ||
*p == ' ' || *p == '\t' || *p == '-' ||
(validchars != NULL && strchr(validchars, *p) == NULL))
/* End of option string. */
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';
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);
}

5
output.c
View File

@ -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)

2
position.c
View File

@ -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);
}

4
screen.c
View File

@ -801,7 +801,7 @@ 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)
@ -812,7 +812,7 @@ scrsize()
else if ((n = ltgetnum("co")) > 0)
sc_width = n;
#endif
else
if (sc_width <= 0)
sc_width = DEF_SC_WIDTH;
}

6
version.c
View File

@ -753,6 +753,10 @@ 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.
*/
char version[] = "451";
char version[] = "453";