Flatten all tags of the dist tree of less.

1 files changed, 0 insertions, 232 deletions

diff --git a/contrib/less/position.c b/contrib/less/position.c
deleted file mode 100644
index da737dc..0000000
--- a/contrib/less/position.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * Copyright (C) 1984-2007  Mark Nudelman
- *
- * You may distribute under the terms of either the GNU General Public
- * License or the Less License, as specified in the README file.
- *
- * For more information about less, or for information on how to 
- * contact the author, see the README file.
- */
-
-
-/*
- * Routines dealing with the "position" table.
- * This is a table which tells the position (in the input file) of the
- * first char on each currently displayed line.
- *
- * {{ The position table is scrolled by moving all the entries.
- *    Would be better to have a circular table 
- *    and just change a couple of pointers. }}
- */
-
-#include "less.h"
-#include "position.h"
-
-static POSITION *table = NULL;	/* The position table */
-static int table_size;
-
-extern int sc_width, sc_height;
-
-/*
- * Return the starting file position of a line displayed on the screen.
- * The line may be specified as a line number relative to the top
- * of the screen, but is usually one of these special cases:
- *	the top (first) line on the screen
- *	the second line on the screen
- *	the bottom line on the screen
- *	the line after the bottom line on the screen
- */
-	public POSITION
-position(where)
-	int where;
-{
-	switch (where)
-	{
-	case BOTTOM:
-		where = sc_height - 2;
-		break;
-	case BOTTOM_PLUS_ONE:
-		where = sc_height - 1;
-		break;
-	case MIDDLE:
-		where = (sc_height - 1) / 2;
-	}
-	return (table[where]);
-}
-
-/*
- * Add a new file position to the bottom of the position table.
- */
-	public void
-add_forw_pos(pos)
-	POSITION pos;
-{
-	register int i;
-
-	/*
-	 * Scroll the position table up.
-	 */
-	for (i = 1;  i < sc_height;  i++)
-		table[i-1] = table[i];
-	table[sc_height - 1] = pos;
-}
-
-/*
- * Add a new file position to the top of the position table.
- */
-	public void
-add_back_pos(pos)
-	POSITION pos;
-{
-	register int i;
-
-	/*
-	 * Scroll the position table down.
-	 */
-	for (i = sc_height - 1;  i > 0;  i--)
-		table[i] = table[i-1];
-	table[0] = pos;
-}
-
-/*
- * Initialize the position table, done whenever we clear the screen.
- */
-	public void
-pos_clear()
-{
-	register int i;
-
-	for (i = 0;  i < sc_height;  i++)
-		table[i] = NULL_POSITION;
-}
-
-/*
- * Allocate or reallocate the position table.
- */
-	public void
-pos_init()
-{
-	struct scrpos scrpos;
-
-	if (sc_height <= table_size)
-		return;
-	/*
-	 * If we already have a table, remember the first line in it
-	 * before we free it, so we can copy that line to the new table.
-	 */
-	if (table != NULL)
-	{
-		get_scrpos(&scrpos);
-		free((char*)table);
-	} else
-		scrpos.pos = NULL_POSITION;
-	table = (POSITION *) ecalloc(sc_height, sizeof(POSITION));
-	table_size = sc_height;
-	pos_clear();
-	if (scrpos.pos != NULL_POSITION)
-		table[scrpos.ln-1] = scrpos.pos;
-}
-
-/*
- * See if the byte at a specified position is currently on the screen.
- * Check the position table to see if the position falls within its range.
- * Return the position table entry if found, -1 if not.
- */
-	public int
-onscreen(pos)
-	POSITION pos;
-{
-	register int i;
-
-	if (pos < table[0])
-		return (-1);
-	for (i = 1;  i < sc_height;  i++)
-		if (pos < table[i])
-			return (i-1);
-	return (-1);
-}
-
-/*
- * See if the entire screen is empty.
- */
-	public int
-empty_screen()
-{
-	return (empty_lines(0, sc_height-1));
-}
-
-	public int
-empty_lines(s, e)
-	int s;
-	int e;
-{
-	register int i;
-
-	for (i = s;  i <= e;  i++)
-		if (table[i] != NULL_POSITION)
-			return (0);
-	return (1);
-}
-
-/*
- * Get the current screen position.
- * The screen position consists of both a file position and
- * a screen line number where the file position is placed on the screen.
- * Normally the screen line number is 0, but if we are positioned
- * such that the top few lines are empty, we may have to set
- * the screen line to a number > 0.
- */
-	public void
-get_scrpos(scrpos)
-	struct scrpos *scrpos;
-{
-	register int i;
-
-	/*
-	 * Find the first line on the screen which has something on it,
-	 * and return the screen line number and the file position.
-	 */
-	for (i = 0; i < sc_height;  i++)
-		if (table[i] != NULL_POSITION)
-		{
-			scrpos->ln = i+1;
-			scrpos->pos = table[i];
-			return;
-		}
-	/*
-	 * The screen is empty.
-	 */
-	scrpos->pos = NULL_POSITION;
-}
-
-/*
- * Adjust a screen line number to be a simple positive integer
- * in the range { 0 .. sc_height-2 }.
- * (The bottom line, sc_height-1, is reserved for prompts, etc.)
- * The given "sline" may be in the range { 1 .. sc_height-1 }
- * to refer to lines relative to the top of the screen (starting from 1),
- * or it may be in { -1 .. -(sc_height-1) } to refer to lines
- * relative to the bottom of the screen.
- */
-	public int
-adjsline(sline)
-	int sline;
-{
-	/*
-	 * Negative screen line number means
-	 * relative to the bottom of the screen.
-	 */
-	if (sline < 0)
-		sline += sc_height;
-	/*
-	 * Can't be less than 1 or greater than sc_height-1.
-	 */
-	if (sline <= 0)
-		sline = 1;
-	if (sline >= sc_height)
-		sline = sc_height - 1;
-	/*
-	 * Return zero-based line number, not one-based.
-	 */
-	return (sline-1);
-}