initial check-in, version 0.5.0 v0.5.0

1 files changed, 35 insertions, 0 deletions

diff --git a/src/misc/pty.c b/src/misc/pty.c
new file mode 100644
index 00000000..0d25a836
--- /dev/null
+++ b/src/misc/pty.c
@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <stdio.h>
+#include <fcntl.h>
+
+int posix_openpt(int flags)
+{
+	return open("/dev/ptmx", flags);
+}
+
+int grantpt(int fd)
+{
+	return 0;
+}
+
+int unlockpt(int fd)
+{
+	int unlock = 0;
+	return ioctl(fd, TIOCSPTLCK, &unlock);
+}
+
+char *ptsname(int fd)
+{
+	static char buf[9 + sizeof(int)*3 + 1];
+	char *s = buf+sizeof(buf)-1;
+	int pty;
+	if (ioctl (fd, TIOCGPTN, &pty))
+		return NULL;
+	if (pty) for (; pty; pty/=10) *--s = '0' + pty%10;
+	else *--s = '0';
+	s -= 9;
+        s[0] = '/'; s[1] = 'd'; s[2] = 'e'; s[3] = 'v';
+	s[4] = '/'; s[5] = 'p'; s[6] = 't'; s[7] = 's'; s[8] = '/';
+	return s;
+}