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misc/wasm: fix fs operations in browser

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The commit 0e4c013 changed the syscall package so it uses the
asynchronous functions of Node.js's fs module.

This commit adapts the stubs of the fs module which are used when using
a browser instead of Node.js.

Fixes #28068.

Change-Id: Ic3a6a8aebb0db06402383bc2fea7642a4501e02c
Reviewed-on: https://go-review.googlesource.com/c/140537
Reviewed-by: Agniva De Sarker <agniva.quicksilver@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Richard Musiol 2018-10-08 17:52:52 +02:00 committed by Brad Fitzpatrick
parent 26d22609c3
commit e99082fc40
1 changed files with 9 additions and 2 deletions
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11
misc/wasm/wasm_exec.js
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@ -47,10 +47,17 @@
}
return buf.length;
},
openSync(path, flags, mode) {
write(fd, buf, offset, length, position, callback) {
if (offset !== 0 || length !== buf.length || position !== null) {
throw new Error("not implemented");
}
const n = this.writeSync(fd, buf);
callback(null, n);
},
open(path, flags, mode, callback) {
const err = new Error("not implemented");
err.code = "ENOSYS";
throw err;
callback(err);
},
};
}