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Diffstat (limited to 'lib/libcurses/printw.c')
| -rw-r--r-- | lib/libcurses/printw.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/lib/libcurses/printw.c b/lib/libcurses/printw.c new file mode 100644 index 000000000000..4568c5f4b875 --- /dev/null +++ b/lib/libcurses/printw.c @@ -0,0 +1,140 @@ +/* + * Copyright (c) 1981 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)printw.c 5.8 (Berkeley) 4/15/91"; +#endif /* not lint */ + +/* + * printw and friends. + * + * These routines make nonportable assumptions about varargs if __STDC__ + * is not in effect. + */ + +#if __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif +#include "curses.ext" + +/* + * This routine implements a printf on the standard screen. + */ +#if __STDC__ +printw(const char *fmt, ...) +#else +printw(fmt, va_alist) + char *fmt; + va_dcl +#endif +{ + va_list ap; + int ret; + +#if __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + ret = _sprintw(stdscr, fmt, ap); + va_end(ap); + return (ret); +} + +/* + * This routine implements a printf on the given window. + */ +#if __STDC__ +wprintw(WINDOW *win, const char *fmt, ...) +#else +wprintw(win, fmt, va_alist) + WINDOW *win; + char *fmt; + va_dcl +#endif +{ + va_list ap; + int ret; + +#ifdef __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + ret = _sprintw(win, fmt, ap); + va_end(ap); + return (ret); +} + +/* + * Internal write-buffer-to-window function. + */ +static int +_winwrite(cookie, buf, n) + void *cookie; + register char *buf; + int n; +{ + register WINDOW *win = (WINDOW *)cookie; + register int c = n; + + while (--c >= 0) { + if (waddch(win, (unsigned char) *buf++) == ERR) + return (-1); + } + return n; +} + +/* + * This routine actually executes the printf and adds it to the window. + * It must not be declared static as it is used in mvprintw.c. + * THIS SHOULD BE RENAMED vwprintw AND EXPORTED + */ +_sprintw(win, fmt, ap) + WINDOW *win; +#if __STDC__ + const char *fmt; +#else + char *fmt; +#endif + va_list ap; +{ + FILE *f; + + if ((f = fwopen((void *)win, _winwrite)) == NULL) + return ERR; + (void) vfprintf(f, fmt, ap); + return fclose(f) ? ERR : OK; +} |