1 /* $NetBSD: addnstr.c,v 1.21 2022/12/21 06:18:01 blymn Exp $ */
2
3 /*
4 * Copyright (c) 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)addnstr.c 8.2 (Berkeley) 5/4/94";
36 #else
37 __RCSID("$NetBSD: addnstr.c,v 1.21 2022/12/21 06:18:01 blymn Exp $");
38 #endif
39 #endif /* not lint */
40
41 #include <string.h>
42
43 #include "curses.h"
44 #include "curses_private.h"
45
46 #ifndef _CURSES_USE_MACROS
47
48 /*
49 * addstr --
50 * Add a string to stdscr starting at (_cury, _curx).
51 */
52 int
addstr(const char * s)53 addstr(const char *s)
54 {
55 __CTRACE(__CTRACE_INPUT, "addstr: %s\n", s);
56
57 return waddnstr(stdscr, s, -1);
58 }
59
60 /*
61 * waddstr --
62 * Add a string to the given window starting at (_cury, _curx).
63 */
64 int
waddstr(WINDOW * win,const char * s)65 waddstr(WINDOW *win, const char *s)
66 {
67 __CTRACE(__CTRACE_INPUT, "addstr: win %p, sttring: %s\n", win, s);
68
69 return waddnstr(win, s, -1);
70 }
71
72 /*
73 * addnstr --
74 * Add a string (at most n characters) to stdscr starting
75 * at (_cury, _curx). If n is negative, add the entire string.
76 */
77 int
addnstr(const char * str,int n)78 addnstr(const char *str, int n)
79 {
80 __CTRACE(__CTRACE_INPUT, "addnstr: n: %d, string: %s\n", n, str);
81
82 return waddnstr(stdscr, str, n);
83 }
84
85 /*
86 * mvaddstr --
87 * Add a string to stdscr starting at (y, x)
88 */
89 int
mvaddstr(int y,int x,const char * str)90 mvaddstr(int y, int x, const char *str)
91 {
92 __CTRACE(__CTRACE_INPUT, "mvaddnstr: y: %d, x: %d, string: %s\n", y,
93 x, str);
94
95 return mvwaddnstr(stdscr, y, x, str, -1);
96 }
97
98 /*
99 * mvwaddstr --
100 * Add a string to the given window starting at (y, x)
101 */
102 int
mvwaddstr(WINDOW * win,int y,int x,const char * str)103 mvwaddstr(WINDOW *win, int y, int x, const char *str)
104 {
105 __CTRACE(__CTRACE_INPUT, "mvwaddnstr: win: %p, y: %d, x: %d, string: %s\n",
106 win, y, x, str);
107
108 return mvwaddnstr(win, y, x, str, -1);
109 }
110
111 /*
112 * mvaddnstr --
113 * Add a string of at most n characters to stdscr
114 * starting at (y, x).
115 */
116 int
mvaddnstr(int y,int x,const char * str,int count)117 mvaddnstr(int y, int x, const char *str, int count)
118 {
119 __CTRACE(__CTRACE_INPUT, "mvaddnstr: n: %d, y: %d, x: %d, string: %s\n",
120 count, y, x, str);
121
122 return mvwaddnstr(stdscr, y, x, str, count);
123 }
124
125 /*
126 * mvwaddnstr --
127 * Add a string of at most n characters to the given window
128 * starting at (y, x).
129 */
130 int
mvwaddnstr(WINDOW * win,int y,int x,const char * str,int count)131 mvwaddnstr(WINDOW *win, int y, int x, const char *str, int count)
132 {
133 __CTRACE(__CTRACE_INPUT, "mvwaddnstr: win: %p, n: %d, y: %d, x: %d, string: %s\n",
134 win, count, y, x, str);
135
136 if (wmove(win, y, x) == ERR)
137 return ERR;
138
139 return waddnstr(win, str, count);
140 }
141
142 #endif
143
144 /*
145 * waddnstr --
146 * Add a string (at most n characters) to the given window
147 * starting at (_cury, _curx). If n is negative, add the
148 * entire string.
149 */
150 int
waddnstr(WINDOW * win,const char * s,int n)151 waddnstr(WINDOW *win, const char *s, int n)
152 {
153 size_t len;
154 const char *p;
155
156 __CTRACE(__CTRACE_INPUT, "ADDNSTR: win %p, length %d\n", win, n);
157 __CTRACE(__CTRACE_INPUT, "ADDNSTR: string %s\n", s);
158 /*
159 * behavior changed from traditional BSD curses, for better XCURSES
160 * conformance.
161 *
162 * BSD curses: if (n > 0) then "at most n", else "len = strlen(s)"
163 * ncurses: if (n >= 0) then "at most n", else "len = strlen(s)"
164 * XCURSES: if (n != -1) then "at most n", else "len = strlen(s)"
165 *
166 */
167 if (n >= 0)
168 for (p = s, len = 0; n-- && *p++; ++len);
169 else
170 len = strlen(s);
171
172 return waddbytes(win, s, (int) len);
173 }
174