patch-2.1.19 linux/include/asm-i386/termios.h
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- Lines: 86
- Date:
Mon Dec 30 12:49:04 1996
- Orig file:
v2.1.18/linux/include/asm-i386/termios.h
- Orig date:
Tue Nov 12 15:56:12 1996
diff -u --recursive --new-file v2.1.18/linux/include/asm-i386/termios.h linux/include/asm-i386/termios.h
@@ -21,16 +21,6 @@
unsigned char c_cc[NCC]; /* control characters */
};
-#ifdef __KERNEL__
-/* intr=^C quit=^\ erase=del kill=^U
- eof=^D vtime=\0 vmin=\1 sxtc=\0
- start=^Q stop=^S susp=^Z eol=\0
- reprint=^R discard=^U werase=^W lnext=^V
- eol2=\0
-*/
-#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
-#endif
-
/* modem lines */
#define TIOCM_LE 0x001
#define TIOCM_DTR 0x002
@@ -56,36 +46,47 @@
#ifdef __KERNEL__
-#include <linux/string.h>
+/* intr=^C quit=^\ erase=del kill=^U
+ eof=^D vtime=\0 vmin=\1 sxtc=\0
+ start=^Q stop=^S susp=^Z eol=\0
+ reprint=^R discard=^U werase=^W lnext=^V
+ eol2=\0
+*/
+#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
/*
* Translate a "termio" structure into a "termios". Ugh.
*/
-extern inline void trans_from_termio(struct termio * termio,
- struct termios * termios)
-{
-#define SET_LOW_BITS(x,y) (*(unsigned short *)(&x) = (y))
- SET_LOW_BITS(termios->c_iflag, termio->c_iflag);
- SET_LOW_BITS(termios->c_oflag, termio->c_oflag);
- SET_LOW_BITS(termios->c_cflag, termio->c_cflag);
- SET_LOW_BITS(termios->c_lflag, termio->c_lflag);
-#undef SET_LOW_BITS
- memcpy(termios->c_cc, termio->c_cc, NCC);
+#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
+ unsigned short __tmp; \
+ get_user(__tmp,&(termio)->x); \
+ *(unsigned short *) &(termios)->x = __tmp; \
}
+#define user_termio_to_kernel_termios(termios, termio) \
+do { \
+ SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
+ SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
+ SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
+ SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
+ copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
+} while(0)
+
/*
* Translate a "termios" structure into a "termio". Ugh.
*/
-extern inline void trans_to_termio(struct termios * termios,
- struct termio * termio)
-{
- termio->c_iflag = termios->c_iflag;
- termio->c_oflag = termios->c_oflag;
- termio->c_cflag = termios->c_cflag;
- termio->c_lflag = termios->c_lflag;
- termio->c_line = termios->c_line;
- memcpy(termio->c_cc, termios->c_cc, NCC);
-}
+#define kernel_termios_to_user_termio(termio, termios) \
+do { \
+ put_user((termios)->c_iflag, &(termio)->c_iflag); \
+ put_user((termios)->c_oflag, &(termio)->c_oflag); \
+ put_user((termios)->c_cflag, &(termio)->c_cflag); \
+ put_user((termios)->c_lflag, &(termio)->c_lflag); \
+ put_user((termios)->c_line, &(termio)->c_line); \
+ copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
+} while(0)
+
+#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
+#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
#endif /* __KERNEL__ */
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