Make less act like more(1) when it is invoked as more.

Obtained from:	NetBSD
This commit is contained in:
Paul Saab 2000-05-23 05:51:17 +00:00
parent d1db20032f
commit a8f92a7ce5
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=60812
5 changed files with 49 additions and 10 deletions

View File

@ -1,3 +1,4 @@
/* $FreeBSD$ */
/*
* Copyright (C) 1984-2000 Mark Nudelman
*
@ -35,6 +36,7 @@ extern int ignore_eoi;
extern int secure;
extern int hshift;
extern int show_attn;
extern int more_mode;
extern char *every_first_cmd;
extern char *curr_altfilename;
extern char version[];
@ -468,12 +470,16 @@ mca_char(c)
flag = 0;
switch (c)
{
case CONTROL('E'): /* ignore END of file */
case '*':
if (more_mode)
break;
case CONTROL('E'): /* ignore END of file */
flag = SRCH_PAST_EOF;
break;
case CONTROL('F'): /* FIRST file */
case '@':
if (more_mode)
break;
case CONTROL('F'): /* FIRST file */
flag = SRCH_FIRST_FILE;
break;
case CONTROL('K'): /* KEEP position */

View File

@ -1,3 +1,4 @@
/* $FreeBSD$ */
/*
* Copyright (C) 1984-2000 Mark Nudelman
*
@ -27,6 +28,7 @@ extern int top_scroll;
extern int quiet;
extern int sc_width, sc_height;
extern int quit_at_eof;
extern int more_mode;
extern int plusoption;
extern int forw_scroll;
extern int back_scroll;
@ -142,9 +144,12 @@ forw(n, pos, force, only_last, nblank)
pos_clear();
add_forw_pos(pos);
force = 1;
if (top_scroll == OPT_ONPLUS || first_time)
clear();
home();
if (more_mode == 0)
{
if (top_scroll == OPT_ONPLUS || first_time)
clear();
home();
}
} else
{
clear_bot();

View File

@ -1,3 +1,4 @@
/* $FreeBSD$ */
/*
* Copyright (C) 1984-2000 Mark Nudelman
*
@ -29,6 +30,7 @@ public char * progname;
public int quitting;
public int secure;
public int dohelp;
public int more_mode = 0;
#if LOGFILE
public int logfile = -1;
@ -60,6 +62,7 @@ main(argc, argv)
{
IFILE ifile;
char *s;
extern char *__progname;
#ifdef __EMX__
_response(&argc, &argv);
@ -99,6 +102,9 @@ main(argc, argv)
* Process command line arguments and LESS environment arguments.
* Command line arguments override environment arguments.
*/
if (strcmp(__progname, "more") == 0)
more_mode = 1;
is_tty = isatty(1);
get_term();
init_cmds();
@ -106,7 +112,16 @@ main(argc, argv)
init_charset();
init_line();
init_option();
s = lgetenv("LESS");
if (more_mode) {
scan_option("-E");
scan_option("-m");
scan_option("-G");
scan_option("-f");
s = lgetenv("MORE");
} else {
s = lgetenv("LESS");
}
if (s != NULL)
scan_option(save(s));
@ -197,7 +212,7 @@ main(argc, argv)
quit(QUIT_OK);
}
if (missing_cap && !know_dumb)
if (missing_cap && !know_dumb && !more_mode)
error("WARNING: terminal is not fully functional", NULL_PARG);
init_mark();
raw_mode(1);

View File

@ -1,3 +1,4 @@
/* $FreeBSD$ */
/*
* Copyright (C) 1984-2000 Mark Nudelman
*
@ -223,6 +224,8 @@ extern int quiet; /* If VERY_QUIET, use visual bell for bell */
extern int no_back_scroll;
extern int swindow;
extern int no_init;
extern int quit_at_eof;
extern int more_mode;
extern int sigs;
extern int wscroll;
extern int screen_trashed;
@ -1108,11 +1111,19 @@ get_term()
if (sc_e_keypad == NULL)
sc_e_keypad = "";
sc_init = ltgetstr("ti", &sp);
/*
* This loses for terminals with termcap entries with ti/te strings
* that switch to/from an alternate screen, and we're in quit_at_eof
* (eg, more(1)).
*/
if (!quit_at_eof && !more_mode) {
sc_init = ltgetstr("ti", &sp);
sc_deinit = ltgetstr("te", &sp);
}
if (sc_init == NULL)
sc_init = "";
sc_deinit= ltgetstr("te", &sp);
if (sc_deinit == NULL)
sc_deinit = "";

View File

@ -1,3 +1,4 @@
/* $FreeBSD$ */
/*
* Copyright (C) 1984-2000 Mark Nudelman
*
@ -22,7 +23,7 @@
#if HAVE_POSIX_REGCOMP
#include <regex.h>
#ifdef REG_EXTENDED
#define REGCOMP_FLAG REG_EXTENDED
#define REGCOMP_FLAG (more_mode ? 0 : REG_EXTENDED)
#else
#define REGCOMP_FLAG 0
#endif
@ -52,6 +53,7 @@ extern int linenums;
extern int sc_height;
extern int jump_sline;
extern int bs_mode;
extern int more_mode;
extern POSITION start_attnpos;
extern POSITION end_attnpos;
#if HILITE_SEARCH