1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate * The Regents of the University of California
33*0Sstevel@tonic-gate * All Rights Reserved
34*0Sstevel@tonic-gate *
35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate * contributors.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate #include <stdlib.h>
45*0Sstevel@tonic-gate #include <sys/types.h>
46*0Sstevel@tonic-gate #include "curses_inc.h"
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate /*
49*0Sstevel@tonic-gate * Figure out (roughly) how much each of these capabilities costs.
50*0Sstevel@tonic-gate * In the parameterized cases, we just take a typical case and
51*0Sstevel@tonic-gate * use that value. This is done only once at startup, since it
52*0Sstevel@tonic-gate * would be too expensive for intensive use.
53*0Sstevel@tonic-gate */
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate static int _cost_fn(char *, int);
56*0Sstevel@tonic-gate
57*0Sstevel@tonic-gate static short offsets[] = {
58*0Sstevel@tonic-gate 52, /* insert_character, */
59*0Sstevel@tonic-gate 21, /* delete_character, */
60*0Sstevel@tonic-gate 12, /* cursor_home, */
61*0Sstevel@tonic-gate 18, /* cursor_to_ll, */
62*0Sstevel@tonic-gate 14, /* cursor_left, */
63*0Sstevel@tonic-gate 17, /* cursor_right, */
64*0Sstevel@tonic-gate 11, /* cursor_down, */
65*0Sstevel@tonic-gate 19, /* cursor_up, */
66*0Sstevel@tonic-gate 2, /* carriage_return, */
67*0Sstevel@tonic-gate 134, /* tab, */
68*0Sstevel@tonic-gate 0, /* back_tab, */
69*0Sstevel@tonic-gate 6, /* clr_eol, */
70*0Sstevel@tonic-gate 269, /* clr_bol, */
71*0Sstevel@tonic-gate #define FIRST_LOOP 13
72*0Sstevel@tonic-gate 108, /* parm_ich, */
73*0Sstevel@tonic-gate 105, /* parm_dch, */
74*0Sstevel@tonic-gate 111, /* parm_left_cursor, */
75*0Sstevel@tonic-gate 114, /* parm_up_cursor, */
76*0Sstevel@tonic-gate 107, /* parm_down_cursor, */
77*0Sstevel@tonic-gate 112, /* parm_right_cursor, */
78*0Sstevel@tonic-gate #define SECOND_LOOP 19
79*0Sstevel@tonic-gate };
80*0Sstevel@tonic-gate
81*0Sstevel@tonic-gate void
_init_costs(void)82*0Sstevel@tonic-gate _init_costs(void)
83*0Sstevel@tonic-gate {
84*0Sstevel@tonic-gate short *costptr = &(SP->term_costs.icfixed);
85*0Sstevel@tonic-gate char **str_array = (char **) cur_strs;
86*0Sstevel@tonic-gate int i = 0;
87*0Sstevel@tonic-gate char save_xflag = xon_xoff;
88*0Sstevel@tonic-gate
89*0Sstevel@tonic-gate xon_xoff = 0;
90*0Sstevel@tonic-gate /*
91*0Sstevel@tonic-gate * This next block of code is actually correct in that it takes into
92*0Sstevel@tonic-gate * account many things that wrefresh has to keep figuring in the function
93*0Sstevel@tonic-gate * _useidch. Wrefresh MUST be changed (in the words of Tony Hansen) !!!
94*0Sstevel@tonic-gate *
95*0Sstevel@tonic-gate * Wrefresh has been changed (in my words -Phong Vo) !!!!
96*0Sstevel@tonic-gate */
97*0Sstevel@tonic-gate *costptr++ = ((enter_insert_mode) && (exit_insert_mode)) ?
98*0Sstevel@tonic-gate _cost_fn(enter_insert_mode, 0) + _cost_fn(exit_insert_mode, 0) : 0;
99*0Sstevel@tonic-gate
100*0Sstevel@tonic-gate *costptr++ = ((enter_delete_mode) && (exit_delete_mode)) ?
101*0Sstevel@tonic-gate _cost_fn(enter_delete_mode, 0) + _cost_fn(exit_delete_mode, 0) : 0;
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate while (i < FIRST_LOOP)
104*0Sstevel@tonic-gate *costptr++ = _cost_fn(str_array[offsets[i++]], 1);
105*0Sstevel@tonic-gate
106*0Sstevel@tonic-gate while (i < SECOND_LOOP)
107*0Sstevel@tonic-gate *costptr++ = _cost_fn(tparm_p1(str_array[offsets[i++]], 10), 1);
108*0Sstevel@tonic-gate
109*0Sstevel@tonic-gate *costptr++ = _cost_fn(tparm_p2(cursor_address, 8, 10), 1);
110*0Sstevel@tonic-gate *costptr++ = _cost_fn(tparm_p1(row_address, 8), 1);
111*0Sstevel@tonic-gate
112*0Sstevel@tonic-gate xon_xoff = save_xflag;
113*0Sstevel@tonic-gate #ifdef DEBUG
114*0Sstevel@tonic-gate if (outf) {
115*0Sstevel@tonic-gate fprintf(outf, "icfixed %d=%d+%d\n", _COST(icfixed),
116*0Sstevel@tonic-gate _cost_fn(enter_insert_mode, 0),
117*0Sstevel@tonic-gate _cost_fn(exit_insert_mode, 0));
118*0Sstevel@tonic-gate fprintf(outf, "from ich1 %x '%s' %d\n", insert_character,
119*0Sstevel@tonic-gate insert_character, _cost_fn(insert_character, 1));
120*0Sstevel@tonic-gate fprintf(outf, "ip %x '%s' %d\n", insert_padding,
121*0Sstevel@tonic-gate insert_padding, _cost_fn(insert_padding, 1));
122*0Sstevel@tonic-gate fprintf(outf, "dcfixed %d\n", _COST(dcfixed));
123*0Sstevel@tonic-gate }
124*0Sstevel@tonic-gate #endif /* DEBUG */
125*0Sstevel@tonic-gate /*FALLTHROUGH*/
126*0Sstevel@tonic-gate }
127*0Sstevel@tonic-gate
128*0Sstevel@tonic-gate static int counter = 0;
129*0Sstevel@tonic-gate int
130*0Sstevel@tonic-gate /* ARGSUSED */
_countchar(char dummy)131*0Sstevel@tonic-gate _countchar(char dummy)
132*0Sstevel@tonic-gate {
133*0Sstevel@tonic-gate counter++;
134*0Sstevel@tonic-gate return (0);
135*0Sstevel@tonic-gate }
136*0Sstevel@tonic-gate
137*0Sstevel@tonic-gate /*
138*0Sstevel@tonic-gate * Figure out the _COST in characters to print this string.
139*0Sstevel@tonic-gate * Due to padding, we can't just use strlen, so instead we
140*0Sstevel@tonic-gate * feed it through tputs and trap the results.
141*0Sstevel@tonic-gate * Even if the terminal uses xon/xoff handshaking, count the
142*0Sstevel@tonic-gate * pad chars here since they estimate the real time to do the
143*0Sstevel@tonic-gate * operation, useful in calculating costs.
144*0Sstevel@tonic-gate */
145*0Sstevel@tonic-gate
146*0Sstevel@tonic-gate static int
_cost_fn(char * str,int affcnt)147*0Sstevel@tonic-gate _cost_fn(char *str, int affcnt)
148*0Sstevel@tonic-gate {
149*0Sstevel@tonic-gate if (str == NULL)
150*0Sstevel@tonic-gate return (LARGECOST);
151*0Sstevel@tonic-gate counter = 0;
152*0Sstevel@tonic-gate (void) tputs(str, affcnt, _countchar);
153*0Sstevel@tonic-gate return (counter);
154*0Sstevel@tonic-gate }
155