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Diffstat (limited to 'lib/libcurses/printw.c')
| -rw-r--r-- | lib/libcurses/printw.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/lib/libcurses/printw.c b/lib/libcurses/printw.c new file mode 100644 index 000000000000..bc34ce621b20 --- /dev/null +++ b/lib/libcurses/printw.c @@ -0,0 +1,200 @@ +/* + * Copyright (c) 1981, 1993 + * The 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 8.2 (Berkeley) 10/5/93"; +#endif /* not lint */ + +#include <curses.h> + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +/* + * printw and friends. + * + * These routines make nonportable assumptions about varargs if __STDC__ + * is not in effect. + */ + +static int __winwrite __P((void *, const char *, int)); + +/* + * printw -- + * Printf on the standard screen. + */ +int +#ifdef __STDC__ +printw(const char *fmt, ...) +#else +printw(fmt, va_alist) + char *fmt; + va_dcl +#endif +{ + va_list ap; + int ret; + +#ifdef __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + ret = vwprintw(stdscr, fmt, ap); + va_end(ap); + return (ret); +} + +/* + * wprintw -- + * Printf on the given window. + */ +int +#ifdef __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 = vwprintw(win, fmt, ap); + va_end(ap); + return (ret); +} + +/* + * mvprintw, mvwprintw -- + * Implement the mvprintw commands. Due to the variable number of + * arguments, they cannot be macros. Sigh.... + */ +int +#ifdef __STDC__ +mvprintw(register int y, register int x, const char *fmt, ...) +#else +mvprintw(y, x, fmt, va_alist) + register int y, x; + char *fmt; + va_dcl +#endif +{ + va_list ap; + int ret; + +#ifdef __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + if (move(y, x) != OK) + return (ERR); + ret = vwprintw(stdscr, fmt, ap); + va_end(ap); + return (ret); +} + +int +#ifdef __STDC__ +mvwprintw(register WINDOW * win, register int y, register int x, + const char *fmt, ...) +#else +mvwprintw(win, y, x, fmt, va_alist) + register WINDOW *win; + register int y, x; + char *fmt; + va_dcl +#endif +{ + va_list ap; + int ret; + +#ifdef __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + if (wmove(win, y, x) != OK) + return (ERR); + + ret = vwprintw(win, fmt, ap); + va_end(ap); + return (ret); +} + +/* + * Internal write-buffer-to-window function. + */ +static int +__winwrite(cookie, buf, n) + void *cookie; + register const char *buf; + int n; +{ + register WINDOW *win; + register int c; + + for (c = n, win = cookie; --c >= 0;) + if (waddch(win, *buf++) == ERR) + return (-1); + return (n); +} + +/* + * vwprintw -- + * This routine actually executes the printf and adds it to the window. + */ +int +vwprintw(win, fmt, ap) + WINDOW *win; + const char *fmt; + va_list ap; +{ + FILE *f; + + if ((f = funopen(win, NULL, __winwrite, NULL, NULL)) == NULL) + return (ERR); + (void)vfprintf(f, fmt, ap); + return (fclose(f) ? ERR : OK); +} |