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Merge vendor changes onto mainline.

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This commit is contained in:
Paul Saab 2002-01-07 20:37:09 +00:00
parent 5e27b2f5a3
commit 8fd4165cc4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=89022
6 changed files with 348 additions and 96 deletions
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67
contrib/less/command.c
View File

@ -15,6 +15,9 @@
*/
#include "less.h"
#if MSDOS_COMPILER==WIN32C
#include <windows.h>
#endif
#include "position.h"
#include "option.h"
#include "cmd.h"
@ -216,6 +219,8 @@ exec_mca()
if (secure)
break;
edit_list(cbuf);
/* If tag structure is loaded then clean it up. */
cleantags();
break;
#endif
#if SHELL_ESCAPE
@ -286,7 +291,7 @@ mca_char(c)
* Terminated by a non-digit.
*/
if ((c < '0' || c > '9') &&
editchar(c, EC_PEEK|EC_NOHISTORY|EC_NOCOMPLETE) == A_INVALID)
editchar(c, EC_PEEK|EC_NOHISTORY|EC_NOCOMPLETE|EC_NORIGHTLEFT) == A_INVALID)
{
/*
* Not part of the number.
@ -614,6 +619,13 @@ prompt()
quit(QUIT_OK);
#endif
#if MSDOS_COMPILER==WIN32C
/*
* In Win32, display the file name in the window title.
*/
if (!(ch_getflags() & CH_HELPFILE))
SetConsoleTitle(pr_expand("Less?f - %f.", 0));
#endif
/*
* Select the proper prompt and display it.
*/
@ -838,6 +850,7 @@ commands()
PARG parg;
IFILE old_ifile;
IFILE new_ifile;
char *tagfile;
search_type = SRCH_FORW;
wscroll = (sc_height + 1) / 2;
@ -1355,6 +1368,11 @@ commands()
/*
* Examine next file.
*/
if (ntags())
{
error("No next file", NULL_PARG);
break;
}
if (number <= 0)
number = 1;
if (edit_next(number))
@ -1371,6 +1389,11 @@ commands()
/*
* Examine previous file.
*/
if (ntags())
{
error("No previous file", NULL_PARG);
break;
}
if (number <= 0)
number = 1;
if (edit_prev(number))
@ -1380,6 +1403,40 @@ commands()
}
break;
case A_NEXT_TAG:
if (number <= 0)
number = 1;
tagfile = nexttag(number);
if (tagfile == NULL)
{
error("No next tag", NULL_PARG);
break;
}
if (edit(tagfile) == 0)
{
POSITION pos = tagsearch();
if (pos != NULL_POSITION)
jump_loc(pos, jump_sline);
}
break;
case A_PREV_TAG:
if (number <= 0)
number = 1;
tagfile = prevtag(number);
if (tagfile == NULL)
{
error("No previous tag", NULL_PARG);
break;
}
if (edit(tagfile) == 0)
{
POSITION pos = tagsearch();
if (pos != NULL_POSITION)
jump_loc(pos, jump_sline);
}
break;
case A_INDEX_FILE:
/*
* Examine a particular file.
@ -1508,7 +1565,9 @@ commands()
goto again;
case A_LSHIFT:
if (number <= 0)
if (number > 0)
shift_count = number;
else
number = (shift_count > 0) ?
shift_count : sc_width / 2;
if (number > hshift)
@ -1518,7 +1577,9 @@ commands()
break;
case A_RSHIFT:
if (number <= 0)
if (number > 0)
shift_count = number;
else
number = (shift_count > 0) ?
shift_count : sc_width / 2;
hshift += number;

25
contrib/less/less.h
View File

@ -71,6 +71,9 @@
#if HAVE_CTYPE_H
#include <ctype.h>
#endif
#if HAVE_LIMITS_H
#include <limits.h>
#endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
@ -81,7 +84,7 @@
#include <modes.h>
#include <strings.h>
#endif
#if MSDOS_COMPILER==WIN32C
#if MSDOS_COMPILER==WIN32C || OS2
#include <io.h>
#endif
#if MSDOS_COMPILER==DJGPPC
@ -137,13 +140,21 @@ void free();
#define BAD_LSEEK ((off_t)-1)
#ifndef CHAR_BIT
#define CHAR_BIT 8
#endif
/*
* Upper bound on the string length of an integer converted to string.
* 302 / 1000 is ceil (log10 (2.0)). Subtract 1 for the sign bit;
* add 1 for integer division truncation; add 1 more for a minus sign.
*/
#define INT_STRLEN_BOUND(t) ((sizeof(t) * CHAR_BIT - 1) * 302 / 1000 + 1 + 1)
/*
* Special types and constants.
*/
typedef off_t POSITION;
#define PR_POSITION "%lld"
#define MAX_PRINT_POSITION 20
#define MAX_PRINT_INT 10
#define NULL_POSITION ((POSITION)(-1))
@ -180,7 +191,7 @@ typedef off_t POSITION;
#if MSDOS_COMPILER==MSOFTC
#define SET_BINARY(f) _setmode(f, _O_BINARY);
#else
#if MSDOS_COMPILER
#if MSDOS_COMPILER || OS2
#define SET_BINARY(f) setmode(f, O_BINARY)
#else
#define SET_BINARY(f)
@ -284,6 +295,10 @@ struct textlist
#define AT_INVIS (4)
#define AT_STANDOUT (5)
#if '0' == 240
#define IS_EBCDIC_HOST 1
#endif
#if IS_EBCDIC_HOST
/*
* Long definition for EBCDIC.

16
contrib/less/main.c
View File

@ -15,6 +15,9 @@
*/
#include "less.h"
#if MSDOS_COMPILER==WIN32C
#include <windows.h>
#endif
public char * every_first_cmd = NULL;
public int new_file;
@ -44,10 +47,15 @@ public char * editproto;
#endif
#if TAGS
extern char * tags;
extern char * tagoption;
extern int jump_sline;
#endif
#ifdef WIN32
static char consoleTitle[256];
#endif
extern int missing_cap;
extern int know_dumb;
@ -96,6 +104,7 @@ main(argc, argv)
putenv(env);
}
}
GetConsoleTitle(consoleTitle, sizeof(consoleTitle)/sizeof(char));
#endif /* WIN32 */
/*
@ -168,7 +177,7 @@ main(argc, argv)
ifile = get_ifile(FAKE_HELPFILE, ifile);
while (argc-- > 0)
{
#if (MSDOS_COMPILER && MSDOS_COMPILER != DJGPPC) || OS2
#if (MSDOS_COMPILER && MSDOS_COMPILER != DJGPPC)
/*
* Because the "shell" doesn't expand filename patterns,
* treat each argument as a filename pattern rather than
@ -224,7 +233,7 @@ main(argc, argv)
* Select the first file to examine.
*/
#if TAGS
if (tagoption != NULL)
if (tagoption != NULL || strcmp(tags, "-") == 0)
{
/*
* A -t option was given.
@ -379,6 +388,9 @@ quit(status)
* The same bug shows up if we use ^C^C to abort.
*/
close(2);
#endif
#if WIN32
SetConsoleTitle(consoleTitle);
#endif
close_getchr();
exit(status);

74
contrib/less/prompt.c
View File

@ -42,19 +42,22 @@ extern char *editproto;
* These strings are expanded by pr_expand().
*/
static constant char s_proto[] =
"?n?f%f .?m(file %i of %m) ..?e(END) ?x- Next\\: %x..%t";
"?n?f%f .?m(%T %i of %m) ..?e(END) ?x- Next\\: %x..%t";
static constant char m_proto[] =
"?n?f%f .?m(file %i of %m) ..?e(END) ?x- Next\\: %x.:?pB%pB\\%:byte %bB?s/%s...%t";
"?n?f%f .?m(%T %i of %m) ..?e(END) ?x- Next\\: %x.:?pB%pB\\%:byte %bB?s/%s...%t";
static constant char M_proto[] =
"?f%f .?n?m(file %i of %m) ..?ltlines %lt-%lb?L/%L. :byte %bB?s/%s. .?e(END) ?x- Next\\: %x.:?pB%pB\\%..%t";
"?f%f .?n?m(%T %i of %m) ..?ltlines %lt-%lb?L/%L. :byte %bB?s/%s. .?e(END) ?x- Next\\: %x.:?pB%pB\\%..%t";
static constant char e_proto[] =
"?f%f .?m(file %i of %m) .?ltlines %lt-%lb?L/%L. .byte %bB?s/%s. ?e(END) :?pB%pB\\%..%t";
"?f%f .?m(%T %i of %m) .?ltlines %lt-%lb?L/%L. .byte %bB?s/%s. ?e(END) :?pB%pB\\%..%t";
static constant char h_proto[] =
"HELP -- ?eEND -- Press g to see it again:Press RETURN for more., or q when done";
static constant char w_proto[] =
"Waiting for data";
public char *prproto[3];
public char constant *eqproto = e_proto;
public char constant *hproto = h_proto;
public char constant *wproto = w_proto;
static char message[PROMPT_SIZE];
static char *mp;
@ -70,6 +73,7 @@ init_prompt()
prproto[2] = save(M_proto);
eqproto = save(e_proto);
hproto = save(h_proto);
wproto = save(w_proto);
}
/*
@ -110,10 +114,19 @@ ap_char(c)
ap_pos(pos)
POSITION pos;
{
char buf[MAX_PRINT_POSITION];
sprintf(buf, PR_POSITION, (long long)pos);
ap_str(buf);
char buf[INT_STRLEN_BOUND(pos) + 1];
char *p = buf + sizeof(buf) - 1;
int neg = (pos < 0);
if (neg)
pos = -pos;
*p = '\0';
do
*--p = '0' + (pos % 10);
while ((pos /= 10) != 0);
if (neg)
*--p = '-';
ap_str(p);
}
/*
@ -123,7 +136,7 @@ ap_pos(pos)
ap_int(n)
int n;
{
char buf[MAX_PRINT_INT];
char buf[INT_STRLEN_BOUND(n) + 1];
sprintf(buf, "%d", n);
ap_str(buf);
@ -187,9 +200,9 @@ cond(c, where)
case 'D': /* Same as L */
return (linenums && ch_length() != NULL_POSITION);
case 'm': /* More than one file? */
return (nifile() > 1);
return (ntags() ? (ntags() > 1) : (nifile() > 1));
case 'n': /* First prompt in a new file? */
return (new_file);
return (ntags() ? 1 : new_file);
case 'p': /* Percent into file (bytes) known? */
return (curr_byte(where) != NULL_POSITION &&
ch_length() > 0);
@ -201,6 +214,8 @@ cond(c, where)
case 'B':
return (ch_length() != NULL_POSITION);
case 'x': /* Is there a "next" file? */
if (ntags())
return (0);
return (next_ifile(curr_ifile) != NULL_IFILE);
}
return (0);
@ -273,7 +288,10 @@ protochar(c, where, iseditproto)
free(s);
break;
case 'i': /* Index into list of files */
ap_int(get_index(curr_ifile));
if (ntags())
ap_int(curr_tag());
else
ap_int(get_index(curr_ifile));
break;
case 'l': /* Current line number */
n = currline(where);
@ -291,7 +309,11 @@ protochar(c, where, iseditproto)
ap_int(n-1);
break;
case 'm': /* Number of files */
ap_int(nifile());
n = ntags();
if (n)
ap_int(n);
else
ap_int(nifile());
break;
case 'p': /* Percent into file (bytes) */
pos = curr_byte(where);
@ -322,6 +344,12 @@ protochar(c, where, iseditproto)
while (mp > message && mp[-1] == ' ')
mp--;
break;
case 'T': /* Type of list */
if (ntags())
ap_str("tag");
else
ap_str("file");
break;
case 'x': /* Name of next file */
h = next_ifile(curr_ifile);
if (h != NULL_IFILE)
@ -484,7 +512,6 @@ pr_expand(proto, maxwidth)
}
}
new_file = 0;
if (mp == message)
return (NULL);
if (maxwidth > 0 && mp >= message + maxwidth)
@ -516,7 +543,20 @@ eq_message()
public char *
pr_string()
{
if (ch_getflags() & CH_HELPFILE)
return (pr_expand(hproto, sc_width-so_s_width-so_e_width-2));
return (pr_expand(prproto[pr_type], sc_width-so_s_width-so_e_width-2));
char *prompt;
prompt = pr_expand((ch_getflags() & CH_HELPFILE) ?
hproto : prproto[pr_type],
sc_width-so_s_width-so_e_width-2);
new_file = 0;
return (prompt);
}
/*
* Return a message suitable for printing while waiting in the F command.
*/
public char *
wait_message()
{
return (pr_expand(wproto, sc_width-so_s_width-so_e_width-2));
}

244
contrib/less/screen.c
View File

@ -67,6 +67,7 @@ extern int fd0;
#endif
#if OS2
#include <sys/signal.h>
#include "pckeys.h"
#endif
#if HAVE_SYS_STREAM_H
#include <sys/stream.h>
@ -89,6 +90,7 @@ extern int fd0;
#if OS2
#define DEFAULT_TERM "ansi"
static char *windowid;
#else
#define DEFAULT_TERM "unknown"
#endif
@ -226,6 +228,7 @@ extern int swindow;
extern int no_init;
extern int quit_at_eof;
extern int more_mode;
extern int no_keypad;
extern int sigs;
extern int wscroll;
extern int screen_trashed;
@ -422,6 +425,9 @@ raw_mode(on)
*/
s = save_term;
}
#if HAVE_FSYNC
fsync(2);
#endif
tcsetattr(2, TCSADRAIN, &s);
#if MUST_SET_LINE_DISCIPLINE
if (!on)
@ -711,6 +717,27 @@ scrsize()
_scrsize(s);
sys_width = s[0];
sys_height = s[1];
/*
* When using terminal emulators for XFree86/OS2, the
* _scrsize function does not work well.
* Call the scrsize.exe program to get the window size.
*/
windowid = getenv("WINDOWID");
if (windowid != NULL)
{
FILE *fd = popen("scrsize", "rt");
if (fd != NULL)
{
int w, h;
fscanf(fd, "%i %i", &w, &h);
if (w > 0 && h > 0)
{
sys_width = w;
sys_height = h;
}
pclose(fd);
}
}
}
#else
#ifdef TIOCGWINSZ
@ -834,7 +861,7 @@ special_key_str(key)
{
static char tbuf[40];
char *s;
#if MSDOS_COMPILER
#if MSDOS_COMPILER || OS2
static char k_right[] = { '\340', PCK_RIGHT, 0 };
static char k_left[] = { '\340', PCK_LEFT, 0 };
static char k_ctl_right[] = { '\340', PCK_CTL_RIGHT, 0 };
@ -851,12 +878,56 @@ special_key_str(key)
static char k_pagedown[] = { '\340', PCK_PAGEDOWN, 0 };
static char k_pageup[] = { '\340', PCK_PAGEUP, 0 };
static char k_f1[] = { '\340', PCK_F1, 0 };
#else
#endif
#if !MSDOS_COMPILER
char *sp = tbuf;
#endif
switch (key)
{
#if OS2
/*
* If windowid is not NULL, assume less is executed in
* the XFree86 environment.
*/
case SK_RIGHT_ARROW:
s = windowid ? ltgetstr("kr", &sp) : k_right;
break;
case SK_LEFT_ARROW:
s = windowid ? ltgetstr("kl", &sp) : k_left;
break;
case SK_UP_ARROW:
s = windowid ? ltgetstr("ku", &sp) : k_up;
break;
case SK_DOWN_ARROW:
s = windowid ? ltgetstr("kd", &sp) : k_down;
break;
case SK_PAGE_UP:
s = windowid ? ltgetstr("kP", &sp) : k_pageup;
break;
case SK_PAGE_DOWN:
s = windowid ? ltgetstr("kN", &sp) : k_pagedown;
break;
case SK_HOME:
s = windowid ? ltgetstr("kh", &sp) : k_home;
break;
case SK_END:
s = windowid ? ltgetstr("@7", &sp) : k_end;
break;
case SK_DELETE:
if (windowid)
{
s = ltgetstr("kD", &sp);
if (s == NULL)
{
tbuf[0] = '\177';
tbuf[1] = '\0';
s = tbuf;
}
} else
s = k_delete;
break;
#endif
#if MSDOS_COMPILER
case SK_RIGHT_ARROW:
s = k_right;
@ -885,6 +956,8 @@ special_key_str(key)
case SK_DELETE:
s = k_delete;
break;
#endif
#if MSDOS_COMPILER || OS2
case SK_INSERT:
s = k_insert;
break;
@ -1437,21 +1510,15 @@ win32_deinit_term()
public void
init()
{
if (no_init)
{
#if MSDOS_COMPILER==WIN32C
/* no_init or not, never trash win32 console colors. */
initcolor();
flush();
#endif
return;
}
#if !MSDOS_COMPILER
tputs(sc_init, sc_height, putchr);
tputs(sc_s_keypad, sc_height, putchr);
if (!no_init)
tputs(sc_init, sc_height, putchr);
if (!no_keypad)
tputs(sc_s_keypad, sc_height, putchr);
#else
#if MSDOS_COMPILER==WIN32C
win32_init_term();
if (!no_init)
win32_init_term();
#endif
initcolor();
flush();
@ -1465,24 +1532,22 @@ init()
public void
deinit()
{
if (no_init)
{
#if MSDOS_COMPILER==WIN32C
/* no_init or not, never trash win32 console colors. */
SETCOLORS(sy_fg_color, sy_bg_color);
#endif
return;
}
if (!init_done)
return;
#if !MSDOS_COMPILER
tputs(sc_e_keypad, sc_height, putchr);
tputs(sc_deinit, sc_height, putchr);
if (!no_keypad)
tputs(sc_e_keypad, sc_height, putchr);
if (!no_init)
tputs(sc_deinit, sc_height, putchr);
#else
/* Restore system colors. */
SETCOLORS(sy_fg_color, sy_bg_color);
#if MSDOS_COMPILER==WIN32C
win32_deinit_term();
if (!no_init)
win32_deinit_term();
#else
/* Need clreol to make SETCOLORS take effect. */
clreol();
#endif
#endif
init_done = 0;
@ -1558,6 +1623,7 @@ add_line()
#endif
}
#if 0
/*
* Remove the n topmost lines and scroll everything below it in the
* window upward. This is needed to stop leaking the topmost line
@ -1611,6 +1677,105 @@ remove_top(n)
goto_line(sc_height - n - 1);
#endif
}
#endif
#if MSDOS_COMPILER==WIN32C
/*
* Clear the screen.
*/
static void
win32_clear()
{
/*
* This will clear only the currently visible rows of the NT
* console buffer, which means none of the precious scrollback
* rows are touched making for faster scrolling. Note that, if
* the window has fewer columns than the console buffer (i.e.
* there is a horizontal scrollbar as well), the entire width
* of the visible rows will be cleared.
*/
COORD topleft;
DWORD nchars;
DWORD winsz;
CONSOLE_SCREEN_BUFFER_INFO csbi;
/* get the number of cells in the current buffer */
GetConsoleScreenBufferInfo(con_out, &csbi);
winsz = csbi.dwSize.X * (csbi.srWindow.Bottom - csbi.srWindow.Top + 1);
topleft.X = 0;
topleft.Y = csbi.srWindow.Top;
curr_attr = MAKEATTR(nm_fg_color, nm_bg_color);
FillConsoleOutputCharacter(con_out, ' ', winsz, topleft, &nchars);
FillConsoleOutputAttribute(con_out, curr_attr, winsz, topleft, &nchars);
}
/*
* Remove the n topmost lines and scroll everything below it in the
* window upward.
*/
public void
win32_scroll_up(n)
int n;
{
SMALL_RECT rcSrc, rcClip;
CHAR_INFO fillchar;
COORD topleft;
COORD new_org;
DWORD nchars;
DWORD size;
CONSOLE_SCREEN_BUFFER_INFO csbi;
if (n <= 0)
return;
if (n >= sc_height - 1)
{
win32_clear();
_settextposition(1,1);
return;
}
/* Get the extent of what will remain visible after scrolling. */
GetConsoleScreenBufferInfo(con_out, &csbi);
rcSrc.Left = csbi.srWindow.Left;
rcSrc.Top = csbi.srWindow.Top + n;
rcSrc.Right = csbi.srWindow.Right;
rcSrc.Bottom = csbi.srWindow.Bottom;
/* Get the clip rectangle. */
rcClip.Left = rcSrc.Left;
rcClip.Top = csbi.srWindow.Top;
rcClip.Right = rcSrc.Right;
rcClip.Bottom = rcSrc.Bottom ;
/* Move the source text to the top of the screen. */
new_org.X = rcSrc.Left;
new_org.Y = 0;
/* Fill the right character and attributes. */
fillchar.Char.AsciiChar = ' ';
fillchar.Attributes = MAKEATTR(nm_fg_color, nm_bg_color);
/* Scroll the window. */
SetConsoleTextAttribute(con_out, fillchar.Attributes);
ScrollConsoleScreenBuffer(con_out, &rcSrc, &rcClip, new_org, &fillchar);
/* Clear remaining lines at bottom. */
topleft.X = csbi.dwCursorPosition.X;
topleft.Y = rcSrc.Bottom - n;
size = (n * csbi.dwSize.X) + (rcSrc.Right - topleft.X);
FillConsoleOutputCharacter(con_out, ' ', size, topleft,
&nchars);
FillConsoleOutputAttribute(con_out, fillchar.Attributes, size, topleft,
&nchars);
SetConsoleTextAttribute(con_out, curr_attr);
/* Move cursor n lines up from where it was. */
csbi.dwCursorPosition.Y -= n;
SetConsoleCursorPosition(con_out, csbi.dwCursorPosition);
}
#endif
/*
* Move cursor to lower left corner of screen.
@ -1806,7 +1971,7 @@ vbell()
beep()
{
#if !MSDOS_COMPILER
putchr('\7');
putchr(CONTROL('G'));
#else
#if MSDOS_COMPILER==WIN32C
MessageBeep(0);
@ -1839,30 +2004,7 @@ clear()
#else
flush();
#if MSDOS_COMPILER==WIN32C
/*
* This will clear only the currently visible rows of the NT
* console buffer, which means none of the precious scrollback
* rows are touched making for faster scrolling. Note that, if
* the window has fewer columns than the console buffer (i.e.
* there is a horizontal scrollbar as well), the entire width
* of the visible rows will be cleared.
*/
{
COORD topleft;
DWORD nchars;
DWORD winsz;
CONSOLE_SCREEN_BUFFER_INFO csbi;
/* get the number of cells in the current buffer */
GetConsoleScreenBufferInfo(con_out, &csbi);
winsz = csbi.dwSize.X * (csbi.srWindow.Bottom - csbi.srWindow.Top + 1);
topleft.X = 0;
topleft.Y = csbi.srWindow.Top;
curr_attr = MAKEATTR(nm_fg_color, nm_bg_color);
FillConsoleOutputCharacter(con_out, ' ', winsz, topleft, &nchars);
FillConsoleOutputAttribute(con_out, curr_attr, winsz, topleft, &nchars);
}
win32_clear();
#else
_clearscreen(_GCLEARSCREEN);
#endif

18
contrib/less/search.c
View File

@ -1343,21 +1343,3 @@ regerror(s)
}
#endif
#if !HAVE_STRCHR
/*
* strchr is used by regexp.c.
*/
char *
strchr(s, c)
char *s;
int c;
{
for ( ; *s != '\0'; s++)
if (*s == c)
return (s);
if (c == '\0')
return (s);
return (NULL);
}
#endif