Import sources from 2011-03-30 iso image

1 files changed, 52 insertions, 0 deletions

diff --git a/sys/src/cmd/cec/utils.c b/sys/src/cmd/cec/utils.c
new file mode 100755
index 000000000..483b41d32
--- /dev/null
+++ b/sys/src/cmd/cec/utils.c
@@ -0,0 +1,52 @@
+#include <u.h>
+#include <libc.h>
+#include "cec.h"
+
+static	int	fd	= -1;
+extern	char	*svc;
+
+void
+rawon(void)
+{
+	if(svc)
+		return;
+	if((fd = open("/dev/consctl", OWRITE)) == -1 ||
+	    write(fd, "rawon", 5) != 5)
+		fprint(2, "Can't make console raw\n");
+}
+
+void
+rawoff(void)
+{
+	if(svc)
+		return;
+	close(fd);
+}
+
+enum {
+	Perline	= 16,
+	Perch	= 3,
+};
+
+char	line[Perch*Perline+1];
+
+static void
+format(uchar *buf, int n, int t)
+{
+	int i, r;
+
+	for(i = 0; i < n; i++){
+		r = (i + t) % Perline;
+		if(r == 0 && i + t > 0)
+			fprint(2, "%s\n", line);
+		sprint(line + r*Perch, "%.2x ", buf[i]);
+	}
+}
+
+void
+dump(uchar *p, int n)
+{
+	format(p, n, 0);
+	if(n % 16 > 0)
+		print("%s\n", line);
+}