1 /* $NetBSD: addnstr.c,v 1.14 2014/07/13 01:58:08 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 1.14 2014/07/13 01:58:08 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 return waddnstr(stdscr, s, -1);
56 }
57
58 /*
59 * waddstr --
60 * Add a string to the given window starting at (_cury, _curx).
61 */
62 int
waddstr(WINDOW * win,const char * s)63 waddstr(WINDOW *win, const char *s)
64 {
65 return waddnstr(win, s, -1);
66 }
67
68 /*
69 * addnstr --
70 * Add a string (at most n characters) to stdscr starting
71 * at (_cury, _curx). If n is negative, add the entire string.
72 */
73 int
addnstr(const char * str,int n)74 addnstr(const char *str, int n)
75 {
76 return waddnstr(stdscr, str, n);
77 }
78
79 /*
80 * mvaddstr --
81 * Add a string to stdscr starting at (y, x)
82 */
83 int
mvaddstr(int y,int x,const char * str)84 mvaddstr(int y, int x, const char *str)
85 {
86 return mvwaddnstr(stdscr, y, x, str, -1);
87 }
88
89 /*
90 * mvwaddstr --
91 * Add a string to the given window starting at (y, x)
92 */
93 int
mvwaddstr(WINDOW * win,int y,int x,const char * str)94 mvwaddstr(WINDOW *win, int y, int x, const char *str)
95 {
96 return mvwaddnstr(win, y, x, str, -1);
97 }
98
99 /*
100 * mvaddnstr --
101 * Add a string of at most n characters to stdscr
102 * starting at (y, x).
103 */
104 int
mvaddnstr(int y,int x,const char * str,int count)105 mvaddnstr(int y, int x, const char *str, int count)
106 {
107 return mvwaddnstr(stdscr, y, x, str, count);
108 }
109
110 /*
111 * mvwaddnstr --
112 * Add a string of at most n characters to the given window
113 * starting at (y, x).
114 */
115 int
mvwaddnstr(WINDOW * win,int y,int x,const char * str,int count)116 mvwaddnstr(WINDOW *win, int y, int x, const char *str, int count)
117 {
118 if (wmove(win, y, x) == ERR)
119 return ERR;
120
121 return waddnstr(win, str, count);
122 }
123
124 #endif
125
126 /*
127 * waddnstr --
128 * Add a string (at most n characters) to the given window
129 * starting at (_cury, _curx). If n is negative, add the
130 * entire string.
131 */
132 int
waddnstr(WINDOW * win,const char * s,int n)133 waddnstr(WINDOW *win, const char *s, int n)
134 {
135 size_t len;
136 const char *p;
137
138 #ifdef DEBUG
139 __CTRACE(__CTRACE_INPUT, "ADDNSTR: win %p, length %d\n",
140 win, n);
141 #endif
142 /*
143 * behavior changed from traditional BSD curses, for better XCURSES
144 * conformance.
145 *
146 * BSD curses: if (n > 0) then "at most n", else "len = strlen(s)"
147 * ncurses: if (n >= 0) then "at most n", else "len = strlen(s)"
148 * XCURSES: if (n != -1) then "at most n", else "len = strlen(s)"
149 *
150 */
151 if (n >= 0)
152 for (p = s, len = 0; n-- && *p++; ++len);
153 else
154 len = strlen(s);
155
156 return(waddbytes(win, s, (int) len));
157 }
158