X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/17951b146942e0d412b3e72c49cd86c45f4467ae..ca67e7b465996afb3821d6a075c4dc6a7f0f5d52:/usr/src/lib/libc/stdio/fprintf.c

diff --git a/usr/src/lib/libc/stdio/fprintf.c b/usr/src/lib/libc/stdio/fprintf.c
index 4d2e1aff3b..9cdad00643 100644
--- a/usr/src/lib/libc/stdio/fprintf.c
+++ b/usr/src/lib/libc/stdio/fprintf.c
@@ -1,10 +1,45 @@
-/* @(#)fprintf.c	4.1 (Berkeley) %G% */
-#include	<stdio.h>
+/*
+ * Copyright (c) 1980 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)fprintf.c	5.4 (Berkeley) 6/27/88";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
 
 fprintf(iop, fmt, args)
-FILE *iop;
-char *fmt;
+	register FILE *iop;
+	char *fmt;
+	int args;
 {
-	_doprnt(fmt, &args, iop);
-	return(ferror(iop)? EOF: 0);
+	int len;
+	char localbuf[BUFSIZ];
+
+	if (iop->_flag & _IONBF) {
+		iop->_flag &= ~_IONBF;
+		iop->_ptr = iop->_base = localbuf;
+		iop->_bufsiz = BUFSIZ;
+		len = _doprnt(fmt, &args, iop);
+		fflush(iop);
+		iop->_flag |= _IONBF;
+		iop->_base = NULL;
+		iop->_bufsiz = NULL;
+		iop->_cnt = 0;
+	} else
+		len = _doprnt(fmt, &args, iop);
+	return(ferror(iop) ? EOF : len);
 }