X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/1c15e88899094343f75aeba04122cd96a96b428e..af359dea2e5ab3e937b62107ecd6a51d78189ed7:/usr/src/lib/libcurses/printw.c

diff --git a/usr/src/lib/libcurses/printw.c b/usr/src/lib/libcurses/printw.c
index 895026aced..069b1c64db 100644
--- a/usr/src/lib/libcurses/printw.c
+++ b/usr/src/lib/libcurses/printw.c
@@ -2,55 +2,139 @@
  * Copyright (c) 1981 Regents of the University of California.
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms are permitted
- * provided that: (1) source distributions retain this entire copyright
- * notice and comment, and (2) distributions including binaries display
- * the following acknowledgement:  ``This product includes software
- * developed by the University of California, Berkeley and its contributors''
- * in the documentation or other materials provided with the distribution
- * and in all advertising materials mentioning features or use of this
- * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * 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	5.5 (Berkeley) 6/1/90";
+static char sccsid[] = "@(#)printw.c	5.8 (Berkeley) 4/15/91";
 #endif /* not lint */
 
 /*
- * printw and friends
+ * printw and friends.
  *
+ * These routines make nonportable assumptions about varargs if __STDC__
+ * is not in effect.
  */
 
-# include	"curses.ext"
+#if __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+#include "curses.ext"
 
 /*
  *	This routine implements a printf on the standard screen.
  */
-printw(fmt, args)
-char	*fmt;
-int	args; {
-
-	char	buf[512];
+#if __STDC__
+printw(const char *fmt, ...)
+#else
+printw(fmt, va_alist)
+	char *fmt;
+	va_dcl
+#endif
+{
+	va_list	ap;
+	int	ret;
 
-	(void) vsprintf(buf, fmt, &args);
-	return waddstr(stdscr, buf);
+#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.
  */
-wprintw(win, fmt, args)
-WINDOW	*win;
-char	*fmt;
-int	args; {
+#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);
+}
 
-	char	buf[512];
+/*
+ *	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, *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;
 
-	(void) vsprintf(buf, fmt, &args);
-	return waddstr(win, buf);
+	if ((f = fwopen((void *)win, _winwrite)) == NULL)
+		return ERR;
+	(void) vfprintf(f, fmt, ap);
+	return fclose(f) ? ERR : OK;
 }