386BSD 0.1 development
[unix-history] / usr / src / lib / libcurses / printw.c
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7c671adf
WJ
1/*
2 * Copyright (c) 1981 Regents of the University of California.
3 * 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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char sccsid[] = "@(#)printw.c 5.8 (Berkeley) 4/15/91";
36#endif /* not lint */
37
38/*
39 * printw and friends.
40 *
41 * These routines make nonportable assumptions about varargs if __STDC__
42 * is not in effect.
43 */
44
45#if __STDC__
46#include <stdarg.h>
47#else
48#include <varargs.h>
49#endif
50#include "curses.ext"
51
52/*
53 * This routine implements a printf on the standard screen.
54 */
55#if __STDC__
56printw(const char *fmt, ...)
57#else
58printw(fmt, va_alist)
59 char *fmt;
60 va_dcl
61#endif
62{
63 va_list ap;
64 int ret;
65
66#if __STDC__
67 va_start(ap, fmt);
68#else
69 va_start(ap);
70#endif
71 ret = _sprintw(stdscr, fmt, ap);
72 va_end(ap);
73 return (ret);
74}
75
76/*
77 * This routine implements a printf on the given window.
78 */
79#if __STDC__
80wprintw(WINDOW *win, const char *fmt, ...)
81#else
82wprintw(win, fmt, va_alist)
83 WINDOW *win;
84 char *fmt;
85 va_dcl
86#endif
87{
88 va_list ap;
89 int ret;
90
91#ifdef __STDC__
92 va_start(ap, fmt);
93#else
94 va_start(ap);
95#endif
96 ret = _sprintw(win, fmt, ap);
97 va_end(ap);
98 return (ret);
99}
100
101/*
102 * Internal write-buffer-to-window function.
103 */
104static int
105_winwrite(cookie, buf, n)
106 void *cookie;
107 register char *buf;
108 int n;
109{
110 register WINDOW *win = (WINDOW *)cookie;
111 register int c = n;
112
113 while (--c >= 0) {
114 if (waddch(win, *buf++) == ERR)
115 return (-1);
116 }
117 return n;
118}
119
120/*
121 * This routine actually executes the printf and adds it to the window.
122 * It must not be declared static as it is used in mvprintw.c.
123 * THIS SHOULD BE RENAMED vwprintw AND EXPORTED
124 */
125_sprintw(win, fmt, ap)
126 WINDOW *win;
127#if __STDC__
128 const char *fmt;
129#else
130 char *fmt;
131#endif
132 va_list ap;
133{
134 FILE *f;
135
136 if ((f = fwopen((void *)win, _winwrite)) == NULL)
137 return ERR;
138 (void) vfprintf(f, fmt, ap);
139 return fclose(f) ? ERR : OK;
140}