zig

commit 22960a5fdf932b63dfdbec1d3cb4efd077e9a776 (tree)
parent a2d8f03092419853b6bbcee45ea759ae994cc2d5
Author: Shritesh Bhattarai <shritesh@shritesh.com>
Date:   Sat, 13 Apr 2019 22:45:31 -0500

wasi: better comments

Diffstat:
M
std/os/wasi.zig
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/std/os/wasi.zig b/std/os/wasi.zig
@@ -1,5 +1,8 @@
 pub use @import("wasi/core.zig");
 
+// Based on https://github.com/CraneStation/wasi-sysroot/blob/wasi/libc-bottom-half/headers/public/wasi/core.h
+// and https://github.com/CraneStation/wasmtime/blob/master/docs/WASI-api.md
+
 pub const STDIN_FILENO = 0;
 pub const STDOUT_FILENO = 1;
 pub const STDERR_FILENO = 2;
@@ -82,7 +85,7 @@ pub const ETXTBSY = 74;
 pub const EXDEV = 75;
 pub const ENOTCAPABLE = 76;
 
-// TODO: figure out what's going on here
+// TODO: implement this like darwin does
 pub fn getErrno(r: usize) usize {
     const signed_r = @bitCast(isize, r);
     return if (signed_r > -4096 and signed_r < 0) @intCast(usize, -signed_r) else 0;