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Fix termios struct on Linux

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The termios::c_cc field turned out to be incorrectly defined on Linux
due to some confusion between the glibc and kernel definitions. We'll
be using the kernel definition, since it has the strongest consensus.

Fields have been have been added to struct stat for BSD compatibility
such as st_birthtim, plus the GLIBC compatibility of isystem/sys/stat
has been improved.
This commit is contained in:
Justine Tunney 2021-09-03 22:19:41 -07:00
parent 0584684a82
commit 5b60e5a37d
52 changed files with 358 additions and 296 deletions
Download patch file Download diff file Expand all files Collapse all files

36
libc/sysv/consts.sh
View file

@ -1516,24 +1516,24 @@ syscon termios CS6 0b0000000000010000 0b0000000100000000 0b0000000100000000
syscon termios CS7 0b0000000000100000 0b0000001000000000 0b0000001000000000 0b0000001000000000 0b0000001000000000 0b0000000000100000 # termios.c_cflag flag for 7-bit characters
syscon termios CS8 0b0000000000110000 0b0000001100000000 0b0000001100000000 0b0000001100000000 0b0000001100000000 0b0000000000110000 # termios.c_cflag flag for 8-bit characters
syscon termios CSIZE 0b0000000000110000 0b0000001100000000 0b0000001100000000 0b0000001100000000 0b0000001100000000 0b0000000000110000 # mask for CS𝑥 flags
syscon termios NCCS 32 32 32 32 20 32 # ARRAYLEN(termios.c_cc); faked xnu/freebsd/openbsd (originally 20) and faked nt
syscon termios VINTR 0 8 8 8 8 0 # termios.c_cc[VINTR]=𝑥
syscon termios VQUIT 1 9 9 9 9 1 # termios.c_cc[VQUIT]=𝑥
syscon termios VERASE 2 3 3 3 3 2 # termios.c_cc[VERASE]=𝑥
syscon termios VKILL 3 5 5 5 5 3 # termios.c_cc[VKILL]=𝑥
syscon termios VEOF 4 0 0 0 0 4 # termios.c_cc[VEOF]=𝑥
syscon termios VTIME 5 17 17 17 17 5 # termios.c_cc[VTIME]=𝑥 sets non-canonical read timeout to 𝑥×𝟷𝟶𝟶ms which is needed when entering escape sequences manually with the escape key
syscon termios VMIN 6 16 16 16 16 6 # termios.c_cc[VMIN]=𝑥 in non-canonical mode can be set to 0 for non-blocking reads, 1 for single character raw mode reads, or higher to buffer
syscon termios VSWTC 7 0 0 0 0 7 # termios.c_cc[VSWTC]=𝑥
syscon termios VSTART 8 12 12 12 12 8 # termios.c_cc[VSTART]=𝑥
syscon termios VSTOP 9 13 13 13 13 9 # termios.c_cc[VSTOP]=𝑥
syscon termios VSUSP 10 10 10 10 10 10 # termios.c_cc[VSUSP]=𝑥 defines suspend, i.e. Ctrl-Z (a.k.a. →, ^Z, SUB, 26, 032, 0x1A, ord('Z')^0b01000000); unix consensus
syscon termios VEOL 11 1 1 1 1 11 # termios.c_cc[VEOL]=𝑥
syscon termios VEOL2 16 2 2 2 2 16 # termios.c_cc[VEOL2]=𝑥
syscon termios VREPRINT 12 6 6 6 6 12 # termios.c_cc[VREPRINT]=𝑥
syscon termios VDISCARD 13 15 15 15 15 13 # termios.c_cc[VDISCARD]=𝑥
syscon termios VWERASE 14 4 4 4 4 14 # termios.c_cc[VWERASE]=𝑥
syscon termios VLNEXT 15 14 14 14 14 15 # termios.c_cc[VLNEXT]=𝑥
syscon termios NCCS 20 20 20 20 20 20 # ARRAYLEN(termios.c_cc); we schlep c_line into c_cc on linux
syscon termios VINTR 0+1 8 8 8 8 0 # termios.c_cc[VINTR]=𝑥
syscon termios VQUIT 1+1 9 9 9 9 1 # termios.c_cc[VQUIT]=𝑥
syscon termios VERASE 2+1 3 3 3 3 2 # termios.c_cc[VERASE]=𝑥
syscon termios VKILL 3+1 5 5 5 5 3 # termios.c_cc[VKILL]=𝑥
syscon termios VEOF 4+1 0 0 0 0 4 # termios.c_cc[VEOF]=𝑥
syscon termios VTIME 5+1 17 17 17 17 5 # termios.c_cc[VTIME]=𝑥 sets non-canonical read timeout to 𝑥×𝟷𝟶𝟶ms which is needed when entering escape sequences manually with the escape key
syscon termios VMIN 6+1 16 16 16 16 6 # termios.c_cc[VMIN]=𝑥 in non-canonical mode can be set to 0 for non-blocking reads, 1 for single character raw mode reads, or higher to buffer
syscon termios VSWTC 7+1 0 0 0 0 7 # termios.c_cc[VSWTC]=𝑥
syscon termios VSTART 8+1 12 12 12 12 8 # termios.c_cc[VSTART]=𝑥
syscon termios VSTOP 9+1 13 13 13 13 9 # termios.c_cc[VSTOP]=𝑥
syscon termios VSUSP 10+1 10 10 10 10 10 # termios.c_cc[VSUSP]=𝑥 defines suspend, i.e. Ctrl-Z (a.k.a. →, ^Z, SUB, 26, 032, 0x1A, ord('Z')^0b01000000); unix consensus
syscon termios VEOL 11+1 1 1 1 1 11 # termios.c_cc[VEOL]=𝑥
syscon termios VREPRINT 12+1 6 6 6 6 12 # termios.c_cc[VREPRINT]=𝑥
syscon termios VDISCARD 13+1 15 15 15 15 13 # termios.c_cc[VDISCARD]=𝑥
syscon termios VWERASE 14+1 4 4 4 4 14 # termios.c_cc[VWERASE]=𝑥
syscon termios VLNEXT 15+1 14 14 14 14 15 # termios.c_cc[VLNEXT]=𝑥
syscon termios VEOL2 16+1 2 2 2 2 16 # termios.c_cc[VEOL2]=𝑥
syscon termios TIOCSERGETLSR 0x5459 0 0 0 0 0 #
syscon termios TIOCSERGETMULTI 0x545a 0 0 0 0 0 #
syscon termios TIOCSERSETMULTI 0x545b 0 0 0 0 0 #

2
libc/sysv/consts/NCCS.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,NCCS,32,32,32,32,20,32
.syscon termios,NCCS,20,20,20,20,20,20

2
libc/sysv/consts/VDISCARD.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VDISCARD,13,15,15,15,15,13
.syscon termios,VDISCARD,13+1,15,15,15,15,13

2
libc/sysv/consts/VEOF.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VEOF,4,0,0,0,0,4
.syscon termios,VEOF,4+1,0,0,0,0,4

2
libc/sysv/consts/VEOL.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VEOL,11,1,1,1,1,11
.syscon termios,VEOL,11+1,1,1,1,1,11

2
libc/sysv/consts/VEOL2.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VEOL2,16,2,2,2,2,16
.syscon termios,VEOL2,16+1,2,2,2,2,16

2
libc/sysv/consts/VERASE.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VERASE,2,3,3,3,3,2
.syscon termios,VERASE,2+1,3,3,3,3,2

2
libc/sysv/consts/VINTR.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VINTR,0,8,8,8,8,0
.syscon termios,VINTR,0+1,8,8,8,8,0

2
libc/sysv/consts/VKILL.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VKILL,3,5,5,5,5,3
.syscon termios,VKILL,3+1,5,5,5,5,3

2
libc/sysv/consts/VLNEXT.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VLNEXT,15,14,14,14,14,15
.syscon termios,VLNEXT,15+1,14,14,14,14,15

2
libc/sysv/consts/VMIN.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VMIN,6,16,16,16,16,6
.syscon termios,VMIN,6+1,16,16,16,16,6

2
libc/sysv/consts/VQUIT.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VQUIT,1,9,9,9,9,1
.syscon termios,VQUIT,1+1,9,9,9,9,1

2
libc/sysv/consts/VREPRINT.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VREPRINT,12,6,6,6,6,12
.syscon termios,VREPRINT,12+1,6,6,6,6,12

2
libc/sysv/consts/VSTART.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VSTART,8,12,12,12,12,8
.syscon termios,VSTART,8+1,12,12,12,12,8

2
libc/sysv/consts/VSTOP.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VSTOP,9,13,13,13,13,9
.syscon termios,VSTOP,9+1,13,13,13,13,9

2
libc/sysv/consts/VSUSP.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VSUSP,10,10,10,10,10,10
.syscon termios,VSUSP,10+1,10,10,10,10,10

2
libc/sysv/consts/VSWTC.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VSWTC,7,0,0,0,0,7
.syscon termios,VSWTC,7+1,0,0,0,0,7

2
libc/sysv/consts/VTIME.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VTIME,5,17,17,17,17,5
.syscon termios,VTIME,5+1,17,17,17,17,5

2
libc/sysv/consts/VWERASE.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon termios,VWERASE,14,4,4,4,4,14
.syscon termios,VWERASE,14+1,4,4,4,4,14

3
libc/sysv/consts/termios.h
View file

@ -59,7 +59,6 @@ extern const long IUTF8;
extern const long IXANY;
extern const long IXOFF;
extern const long IXON;
extern const long NCCS;
extern const long NETGRAPHDISC;
extern const long NL1;
extern const long NL2;
@ -257,7 +256,7 @@ COSMOPOLITAN_C_END_
#define IUTF8 SYMBOLIC(IUTF8)
#define IXOFF SYMBOLIC(IXOFF)
#define IXON SYMBOLIC(IXON)
#define NCCS LITERALLY(32)
#define NCCS LITERALLY(20)
#define NETGRAPHDISC SYMBOLIC(NETGRAPHDISC)
#define NMEADISC SYMBOLIC(NMEADISC)
#define NOFLSH SYMBOLIC(NOFLSH)