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netbsd: getFdPath: F_GETPATH implementation

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Michael Dusan 2023-01-02 19:18:33 -05:00
parent 1a403383c9
commit e752606464
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GPG Key ID: ED4C5BA849FA1B74
2 changed files with 23 additions and 2 deletions
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8
lib/std/c/netbsd.zig
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@ -690,13 +690,17 @@ pub const F = struct {
pub const SETFD = 2;
pub const GETFL = 3;
pub const SETFL = 4;
pub const GETOWN = 5;
pub const SETOWN = 6;
pub const GETLK = 7;
pub const SETLK = 8;
pub const SETLKW = 9;
pub const CLOSEM = 10;
pub const MAXFD = 11;
pub const DUPFD_CLOEXEC = 12;
pub const GETNOSIGPIPE = 13;
pub const SETNOSIGPIPE = 14;
pub const GETPATH = 15;
pub const RDLCK = 1;
pub const WRLCK = 3;

17
lib/std/os.zig
View File

@ -5195,6 +5195,23 @@ pub fn getFdPath(fd: fd_t, out_buffer: *[MAX_PATH_BYTES]u8) RealPathError![]u8 {
const len = mem.indexOfScalar(u8, out_buffer[0..], @as(u8, 0)) orelse MAX_PATH_BYTES;
return out_buffer[0..len];
},
.netbsd => {
if (comptime builtin.os.version_range.semver.max.order(.{ .major = 10, .minor = 0 }) == .lt) {
@compileError("querying for canonical path of a handle is unsupported on this host");
}
@memset(out_buffer, 0, MAX_PATH_BYTES);
switch (errno(system.fcntl(fd, F.GETPATH, out_buffer))) {
.SUCCESS => {},
.ACCES => return error.AccessDenied,
.BADF => return error.FileNotFound,
.NOENT => return error.FileNotFound,
.NOMEM => return error.SystemResources,
.RANGE => return error.NameTooLong,
else => |err| return unexpectedErrno(err),
}
const len = mem.indexOfScalar(u8, out_buffer[0..], @as(u8, 0)) orelse MAX_PATH_BYTES;
return out_buffer[0..len];
},
else => @compileError("querying for canonical path of a handle is unsupported on this host"),
}
}