* man3/termios.3 (.B TABDLY): Reference to the BUGS section. (.SH BUGS): New section. Describe an issue on alpha where the XTABS macro was defined to a value outside TABDLY mask. Signed-off-by: Eugene Syromyatnikov <evgsyr@xxxxxxxxx> --- man3/termios.3 | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/man3/termios.3 b/man3/termios.3 index 57f916e..1bc8add 100644 --- a/man3/termios.3 +++ b/man3/termios.3 @@ -241,7 +241,10 @@ or .TP .B TABDLY Horizontal tab delay mask. -Values are \fBTAB0\fP, \fBTAB1\fP, \fBTAB2\fP, \fBTAB3\fP (or \fBXTABS\fP). +Values are \fBTAB0\fP, \fBTAB1\fP, \fBTAB2\fP, \fBTAB3\fP (or \fBXTABS\fP, +but see the +.B BUGS +section). A value of TAB3, that is, XTABS, expands tabs to spaces (with tab stops every eight columns). [requires @@ -1085,6 +1088,19 @@ behaves like .\" libc4.7.6, libc5, glibc for unix: duration in ms. .\" glibc for bsd: duration in us .\" glibc for sunos4: ignore duration +.SH BUGS +.\" kernel 77e5bff1640432f28794a00800955e646dcd7455 +.\" glibc 573963e32ffac46d9891970ddebde2ac3212c5c0 +On alpha, Linux before 4.16 (and glibc before 2.28) had +.B XTABS +value different from +.B TAB3 +and it was ignored by the +.B N_TTY +line discipline code of the tty driver as a result +(as it wasn't a part of the +.B TABDLY +mask). .SH SEE ALSO .BR reset (1), .BR setterm (1), -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
