| author |  Andrew Kelley <andrew@ziglang.org> 2024-04-17 14:52:51-07:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2024-04-18 17:49:05-07:00 |
| log | d06e5b4349a9670fc4aad7215c7a73b814bbf91b |
| tree | 0f3eba0ea2f93d44fd6e726c05f65655cb100efd |
| parent | 3c221463fd89caf08ee1bd24ea03d49e0c6e7f07 |
std.fs.Dir.openFile: use wasi libc API when -lc
Also removes the LOCK namespace from std.c.wasi because wasi libc does
not have flock.
closes #19336
related to #19352
Co-authored-by: Ryan Liptak <squeek502@hotmail.com>3 files changed, 23 insertions(+), 13 deletions(-)
lib/std/c/wasi.zig-6
| ... | ... | @@ -40,12 +40,6 @@ pub const E = wasi.errno_t; |
| 40 | 40 | |
| 41 | 41 | pub const CLOCK = wasi.clockid_t; |
| 42 | 42 | pub const IOV_MAX = 1024; |
| 43 | pub const LOCK = struct { | |
| 44 | pub const SH = 0x1; | |
| 45 | pub const EX = 0x2; | |
| 46 | pub const NB = 0x4; | |
| 47 | pub const UN = 0x8; | |
| 48 | }; | |
| 49 | 43 | pub const S = struct { |
| 50 | 44 | pub const IEXEC = @compileError("TODO audit this"); |
| 51 | 45 | pub const IFBLK = 0x6000; |
lib/std/fs/Dir.zig+15-7
| ... | ... | @@ -800,7 +800,7 @@ pub fn openFile(self: Dir, sub_path: []const u8, flags: File.OpenFlags) File.Ope |
| 800 | 800 | const path_w = try windows.sliceToPrefixedFileW(self.fd, sub_path); |
| 801 | 801 | return self.openFileW(path_w.span(), flags); |
| 802 | 802 | } |
| 803 | if (native_os == .wasi) { | |
| 803 | if (native_os == .wasi and !builtin.link_libc) { | |
| 804 | 804 | var base: std.os.wasi.rights_t = .{}; |
| 805 | 805 | if (flags.isRead()) { |
| 806 | 806 | base.FD_READ = true; |
| ... | ... | @@ -834,17 +834,25 @@ pub fn openFileZ(self: Dir, sub_path: [*:0]const u8, flags: File.OpenFlags) File |
| 834 | 834 | const path_w = try windows.cStrToPrefixedFileW(self.fd, sub_path); |
| 835 | 835 | return self.openFileW(path_w.span(), flags); |
| 836 | 836 | }, |
| 837 | .wasi => { | |
| 837 | // Use the libc API when libc is linked because it implements things | |
| 838 | // such as opening absolute file paths. | |
| 839 | .wasi => if (!builtin.link_libc) { | |
| 838 | 840 | return openFile(self, mem.sliceTo(sub_path, 0), flags); |
| 839 | 841 | }, |
| 840 | 842 | else => {}, |
| 841 | 843 | } |
| 842 | 844 | |
| 843 | var os_flags: posix.O = .{ | |
| 844 | .ACCMODE = switch (flags.mode) { | |
| 845 | .read_only => .RDONLY, | |
| 846 | .write_only => .WRONLY, | |
| 847 | .read_write => .RDWR, | |
| 845 | var os_flags: posix.O = switch (native_os) { | |
| 846 | .wasi => .{ | |
| 847 | .read = flags.mode != .write_only, | |
| 848 | .write = flags.mode != .read_only, | |
| 849 | }, | |
| 850 | else => .{ | |
| 851 | .ACCMODE = switch (flags.mode) { | |
| 852 | .read_only => .RDONLY, | |
| 853 | .write_only => .WRONLY, | |
| 854 | .read_write => .RDWR, | |
| 855 | }, | |
| 848 | 856 | }, |
| 849 | 857 | }; |
| 850 | 858 | if (@hasField(posix.O, "CLOEXEC")) os_flags.CLOEXEC = true; |
lib/std/posix.zig+8
| ... | ... | @@ -1602,6 +1602,10 @@ pub fn openZ(file_path: [*:0]const u8, flags: O, perm: mode_t) OpenError!fd_t { |
| 1602 | 1602 | .PERM => return error.AccessDenied, |
| 1603 | 1603 | .EXIST => return error.PathAlreadyExists, |
| 1604 | 1604 | .BUSY => return error.DeviceBusy, |
| 1605 | .ILSEQ => |err| if (native_os == .wasi) | |
| 1606 | return error.InvalidUtf8 | |
| 1607 | else | |
| 1608 | return unexpectedErrno(err), | |
| 1605 | 1609 | else => |err| return unexpectedErrno(err), |
| 1606 | 1610 | } |
| 1607 | 1611 | } |
| ... | ... | @@ -1771,6 +1775,10 @@ pub fn openatZ(dir_fd: fd_t, file_path: [*:0]const u8, flags: O, mode: mode_t) O |
| 1771 | 1775 | .OPNOTSUPP => return error.FileLocksNotSupported, |
| 1772 | 1776 | .AGAIN => return error.WouldBlock, |
| 1773 | 1777 | .TXTBSY => return error.FileBusy, |
| 1778 | .ILSEQ => |err| if (native_os == .wasi) | |
| 1779 | return error.InvalidUtf8 | |
| 1780 | else | |
| 1781 | return unexpectedErrno(err), | |
| 1774 | 1782 | else => |err| return unexpectedErrno(err), |
| 1775 | 1783 | } |
| 1776 | 1784 | } |