1 /*
2 * Copyright (c) 1981, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #ifndef lint
31 static char sccsid[] = "@(#)printw.c 8.3 (Berkeley) 5/4/94";
32 #endif /* not lint */
33
34 #include <stdarg.h>
35
36 #include "curses.h"
37
38 /*
39 * printw and friends.
40 */
41
42 static int __winwrite(void *, const char *, int);
43
44 /*
45 * printw --
46 * Printf on the standard screen.
47 */
48 int
printw(const char * fmt,...)49 printw(const char *fmt, ...)
50 {
51 va_list ap;
52 int ret;
53
54 va_start(ap, fmt);
55 ret = vwprintw(stdscr, fmt, ap);
56 va_end(ap);
57 return (ret);
58 }
59
60 /*
61 * wprintw --
62 * Printf on the given window.
63 */
64 int
wprintw(WINDOW * win,const char * fmt,...)65 wprintw(WINDOW * win, const char *fmt, ...)
66 {
67 va_list ap;
68 int ret;
69
70 va_start(ap, fmt);
71 ret = vwprintw(win, fmt, ap);
72 va_end(ap);
73 return (ret);
74 }
75
76 /*
77 * mvprintw, mvwprintw --
78 * Implement the mvprintw commands. Due to the variable number of
79 * arguments, they cannot be macros. Sigh....
80 */
81 int
mvprintw(register int y,register int x,const char * fmt,...)82 mvprintw(register int y, register int x, const char *fmt, ...)
83 {
84 va_list ap;
85 int ret;
86
87 va_start(ap, fmt);
88 if (move(y, x) != OK)
89 return (ERR);
90 ret = vwprintw(stdscr, fmt, ap);
91 va_end(ap);
92 return (ret);
93 }
94
95 int
mvwprintw(register WINDOW * win,register int y,register int x,const char * fmt,...)96 mvwprintw(register WINDOW * win, register int y, register int x,
97 const char *fmt, ...)
98 {
99 va_list ap;
100 int ret;
101
102 va_start(ap, fmt);
103 if (wmove(win, y, x) != OK)
104 return (ERR);
105
106 ret = vwprintw(win, fmt, ap);
107 va_end(ap);
108 return (ret);
109 }
110
111 /*
112 * Internal write-buffer-to-window function.
113 */
114 static int
__winwrite(cookie,buf,n)115 __winwrite(cookie, buf, n)
116 void *cookie;
117 register const char *buf;
118 int n;
119 {
120 register WINDOW *win;
121 register int c;
122
123 for (c = n, win = cookie; --c >= 0;)
124 if (waddch(win, *buf++) == ERR)
125 return (-1);
126 return (n);
127 }
128
129 /*
130 * vwprintw --
131 * This routine actually executes the printf and adds it to the window.
132 */
133 int
vwprintw(win,fmt,ap)134 vwprintw(win, fmt, ap)
135 WINDOW *win;
136 const char *fmt;
137 va_list ap;
138 {
139 FILE *f;
140
141 if ((f = funopen(win, NULL, __winwrite, NULL, NULL)) == NULL)
142 return (ERR);
143 (void)vfprintf(f, fmt, ap);
144 return (fclose(f) ? ERR : OK);
145 }
146