sadly Linux-specific implementation

1 files changed, 61 insertions, 0 deletions

diff --git a/src/termios/_termios.h b/src/termios/_termios.h
new file mode 100644
index 00000000..ce35d32e
--- /dev/null
+++ b/src/termios/_termios.h
@@ -0,0 +1,61 @@
+#ifndef ___TERMIOS_H__
+#define ___TERMIOS_H__
+
+#include <termios.h>
+#include <string.h>
+
+#ifdef __linux__
+#include "_syscall.h"
+
+#define KNCCS 19
+#define MINCCS (KNCCS < NCCS ? KNCCS : NCCS)
+
+#define TCGETS		0x5401
+#define TCSETS		0x5402
+#define TCSETSW		0x5403
+#define TCSETSF		0x5404
+#define TCSBRK		0x5409
+#define TCSBRKP		0x5425
+#define TCXONC		0x540A
+#define TCFLSH		0x540B
+#define TIOCGPGRP	0x540F
+
+#define ioctl(_fd, _cmd, _arg) __syscall(16, _fd, _cmd, _arg)
+
+struct kernel_termios {
+	tcflag_t c_iflag;
+	tcflag_t c_oflag;
+	tcflag_t c_cflag;
+	tcflag_t c_lflag;
+	cc_t c_line;
+	cc_t c_cc[KNCCS];
+	speed_t c_ispeed;
+	speed_t c_ospeed;
+};
+
+#define ktou(_u, _k) do { \
+	(_u).c_iflag = (_k).c_iflag; \
+	(_u).c_oflag = (_k).c_oflag; \
+	(_u).c_cflag = (_k).c_cflag; \
+	(_u).c_lflag = (_k).c_lflag; \
+	memcpy((_u).c_cc, (_k).c_cc, MINCCS); \
+} while (0)
+	/* and the speeds */
+
+#define utok(_k, _u) do { \
+	(_k).c_iflag = (_u).c_iflag; \
+	(_k).c_oflag = (_u).c_oflag; \
+	(_k).c_cflag = (_u).c_cflag; \
+	(_k).c_lflag = (_u).c_lflag; \
+	(_k).c_line = 0; \
+	memcpy((_k).c_cc, (_u).c_cc, MINCCS); \
+} while (0)
+	/* and the speeds */
+
+#else
+#define kernel_termios termios
+#define ktou(_u, _k) (memcpy(_u, _k, sizeof(_u))
+#define utok(_k, _u) (memcpy(_k, _u, sizeof(_u))
+#endif
+
+#endif