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6e7daf84 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 | |
35 | static 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__ | |
56 | printw(const char *fmt, ...) | |
57 | #else | |
58 | printw(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__ | |
80 | wprintw(WINDOW *win, const char *fmt, ...) | |
81 | #else | |
82 | wprintw(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 | */ | |
104 | static 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 | } |