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Rebase link(at) properly

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Tau
2021-01-25 07:23:03 +01:00
committed by Veikka Tuominen
parent c70832bc41
commit 840331ee48
4 changed files with 188 additions and 0 deletions
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31
lib/std/os/linux.zig
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@@ -634,6 +634,37 @@ pub fn tgkill(tgid: pid_t, tid: pid_t, sig: i32) usize {
return syscall2(.tgkill, @bitCast(usize, @as(isize, tgid)), @bitCast(usize, @as(isize, tid)), @bitCast(usize, @as(isize, sig)));
}
pub fn link(oldpath: [*:0]const u8, newpath: [*:0]const u8, flags: i32) usize {
if (@hasField(SYS, "link")) {
return syscall3(
.link,
@ptrToInt(oldpath),
@ptrToInt(newpath),
@bitCast(usize, @as(isize, flags)),
);
} else {
return syscall5(
.linkat,
@bitCast(usize, @as(isize, AT_FDCWD)),
@ptrToInt(oldpath),
@bitCast(usize, @as(isize, AT_FDCWD)),
@ptrToInt(newpath),
@bitCast(usize, @as(isize, flags)),
);
}
}
pub fn linkat(oldfd: fd_t, oldpath: [*:0]const u8, newfd: fd_t, newpath: [*:0]const u8, flags: i32) usize {
return syscall5(
.linkat,
@bitCast(usize, @as(isize, oldfd)),
@ptrToInt(oldpath),
@bitCast(usize, @as(isize, newfd)),
@ptrToInt(newpath),
@bitCast(usize, @as(isize, flags)),
);
}
pub fn unlink(path: [*:0]const u8) usize {
if (@hasField(SYS, "unlink")) {
return syscall1(.unlink, @ptrToInt(path));