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std.os.termios: add type safety to iflag field

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This creates `tc_iflag_t` even though such a type is not defined by
libc.

I also collected the missing flag bits from all the operating systems.
This commit is contained in:
Andrew Kelley
2024-02-12 16:43:51 -07:00
parent 0c88f927f1
commit 47643cc5cc
6 changed files with 161 additions and 72 deletions
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61
lib/std/os/linux.zig
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@@ -5005,7 +5005,6 @@ pub const rusage = extern struct {
};
pub const speed_t = u32;
pub const tcflag_t = u32;
pub const NCCS = switch (native_arch) {
.powerpc, .powerpcle, .powerpc64, .powerpc64le => 19,
@@ -5045,23 +5044,43 @@ pub const B3000000 = 0o0010015;
pub const B3500000 = 0o0010016;
pub const B4000000 = 0o0010017;
pub const tc_iflag_t = packed struct(u32) {
IGNBRK: bool = false,
BRKINT: bool = false,
IGNPAR: bool = false,
PARMRK: bool = false,
INPCK: bool = false,
ISTRIP: bool = false,
INLCR: bool = false,
IGNCR: bool = false,
ICRNL: bool = false,
IUCLC: bool = false,
IXON: bool = false,
IXANY: bool = false,
IXOFF: bool = false,
IMAXBEL: bool = false,
IUTF8: bool = false,
_: u17 = 0,
pub const tc_iflag_t = switch (native_arch) {
.powerpc, .powerpcle, .powerpc64, .powerpc64le => packed struct(u32) {
IGNBRK: bool = false,
BRKINT: bool = false,
IGNPAR: bool = false,
PARMRK: bool = false,
INPCK: bool = false,
ISTRIP: bool = false,
INLCR: bool = false,
IGNCR: bool = false,
ICRNL: bool = false,
IXON: bool = false,
IXOFF: bool = false,
IXANY: bool = false,
IUCLC: bool = false,
IMAXBEL: bool = false,
IUTF8: bool = false,
_: u17 = 0,
},
else => packed struct(u32) {
IGNBRK: bool = false,
BRKINT: bool = false,
IGNPAR: bool = false,
PARMRK: bool = false,
INPCK: bool = false,
ISTRIP: bool = false,
INLCR: bool = false,
IGNCR: bool = false,
ICRNL: bool = false,
IUCLC: bool = false,
IXON: bool = false,
IXANY: bool = false,
IXOFF: bool = false,
IMAXBEL: bool = false,
IUTF8: bool = false,
_: u17 = 0,
},
};
pub const cc_t = switch (native_arch) {
@@ -5124,6 +5143,8 @@ pub const cc_t = switch (native_arch) {
},
};
pub const tcflag_t = u32;
pub const OPOST: tcflag_t = 1;
pub const OLCUC: tcflag_t = 2;
pub const ONLCR: tcflag_t = 4;
@@ -5168,7 +5189,7 @@ pub const TCSA = enum(c_uint) {
pub const termios = switch (native_arch) {
.powerpc, .powerpcle, .powerpc64, .powerpc64le => extern struct {
iflag: tcflag_t,
iflag: tc_iflag_t,
oflag: tcflag_t,
cflag: tcflag_t,
lflag: tcflag_t,
@@ -5178,7 +5199,7 @@ pub const termios = switch (native_arch) {
ospeed: speed_t,
},
else => extern struct {
iflag: tcflag_t,
iflag: tc_iflag_t,
oflag: tcflag_t,
cflag: tcflag_t,
lflag: tcflag_t,