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std.Io.Threaded: fix EBADF error code on wasm32-wasi -lc when reading

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This commit is contained in:
Andrew Kelley 2025-10-28 07:11:52 -07:00
parent c4dc7d7c3d
commit 030b630829
1 changed files with 9 additions and 2 deletions
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11
lib/std/Io/Threaded.zig
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@ -2253,6 +2253,7 @@ const dirOpenDir = switch (native_os) {
else => dirOpenDirPosix,
};
/// This function is also used for WASI when libc is linked.
fn dirOpenDirPosix(
userdata: ?*anyopaque,
dir: Io.Dir,
@ -2551,7 +2552,10 @@ fn fileReadStreamingPosix(userdata: ?*anyopaque, file: Io.File, data: [][]u8) Io
.FAULT => |err| return errnoBug(err),
.SRCH => return error.ProcessNotFound,
.AGAIN => return error.WouldBlock,
.BADF => |err| return errnoBug(err), // File descriptor used after closed.
.BADF => |err| {
if (native_os == .wasi) return error.NotOpenForReading; // File operation on directory.
return errnoBug(err); // File descriptor used after closed.
},
.IO => return error.InputOutput,
.ISDIR => return error.IsDir,
.NOBUFS => return error.SystemResources,
@ -2648,7 +2652,10 @@ fn fileReadPositionalPosix(userdata: ?*anyopaque, file: Io.File, data: [][]u8, o
.FAULT => |err| return errnoBug(err),
.SRCH => return error.ProcessNotFound,
.AGAIN => return error.WouldBlock,
.BADF => |err| return errnoBug(err), // File descriptor used after closed.
.BADF => |err| {
if (native_os == .wasi) return error.NotOpenForReading; // File operation on directory.
return errnoBug(err); // File descriptor used after closed.
},
.IO => return error.InputOutput,
.ISDIR => return error.IsDir,
.NOBUFS => return error.SystemResources,