From ec2404975169d81f6443814415cba36d01d91cb6 Mon Sep 17 00:00:00 2001
From: davidovski <david@davidovski.xyz>
Date: Sun, 15 May 2022 15:41:14 +0100
Subject: initial commit

---
 gfmt.c | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 gfmt.c

(limited to 'gfmt.c')

diff --git a/gfmt.c b/gfmt.c
new file mode 100644
index 0000000..e7d519c
--- /dev/null
+++ b/gfmt.c
@@ -0,0 +1,129 @@
+/*-
+ * Copyright (c) 1991, 1993, 1994
+ *	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
+#if 0
+static char sccsid[] = "@(#)gfmt.c	8.6 (Berkeley) 4/2/94";
+#endif
+#endif /* not lint */
+
+#include <sys/types.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "stty.h"
+#include "extern.h"
+
+static void gerr(const char *s);
+
+static void
+gerr(const char *s)
+{
+	if (s)
+		errx(1, "illegal gfmt1 option -- %s", s);
+	else
+		errx(1, "illegal gfmt1 option");
+}
+
+void
+gprint(struct termios *tp, struct winsize *wp, int ldisc)
+{
+	struct cchar *cp;
+
+	(void)printf("gfmt1:cflag=%lx:iflag=%lx:lflag=%lx:oflag=%lx:",
+	    (u_long)tp->c_cflag, (u_long)tp->c_iflag, (u_long)tp->c_lflag,
+	    (u_long)tp->c_oflag);
+	for (cp = cchars1; cp->name; ++cp)
+		(void)printf("%s=%x:", cp->name, tp->c_cc[cp->sub]);
+	(void)printf("ispeed=%lu:ospeed=%lu\n",
+	    (u_long)cfgetispeed(tp), (u_long)cfgetospeed(tp));
+}
+
+void
+gread(struct termios *tp, char *s)
+{
+	struct cchar *cp;
+	char *ep, *p;
+	long tmp;
+
+	if ((s = strchr(s, ':')) == NULL)
+		gerr(NULL);
+	for (++s; s != NULL;) {
+		p = strsep(&s, ":\0");
+		if (!p || !*p)
+			break;
+		if (!(ep = strchr(p, '=')))
+			gerr(p);
+		*ep++ = '\0';
+		(void)sscanf(ep, "%lx", &tmp);
+
+#define	CHK(s)	(*p == s[0] && !strcmp(p, s))
+		if (CHK("cflag")) {
+			tp->c_cflag = tmp;
+			continue;
+		}
+		if (CHK("iflag")) {
+			tp->c_iflag = tmp;
+			continue;
+		}
+		if (CHK("ispeed")) {
+			(void)sscanf(ep, "%ld", &tmp);
+			tp->__c_ispeed = tmp;
+			continue;
+		}
+		if (CHK("lflag")) {
+			tp->c_lflag = tmp;
+			continue;
+		}
+		if (CHK("oflag")) {
+			tp->c_oflag = tmp;
+			continue;
+		}
+		if (CHK("ospeed")) {
+			(void)sscanf(ep, "%ld", &tmp);
+			tp->__c_ospeed = tmp;
+			continue;
+		}
+		for (cp = cchars1; cp->name != NULL; ++cp)
+			if (CHK(cp->name)) {
+				if (cp->sub == VMIN || cp->sub == VTIME)
+					(void)sscanf(ep, "%ld", &tmp);
+				tp->c_cc[cp->sub] = tmp;
+				break;
+			}
+		if (cp->name == NULL)
+			gerr(p);
+	}
+}
-- 
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