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wasi: implement getRandomBytes

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This commit is contained in:
Shritesh Bhattarai 2019-04-30 19:48:20 -05:00 committed by Andrew Kelley
parent 79a139ac63
commit 1fabd6bbf3
2 changed files with 8 additions and 0 deletions
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6
std/os.zig
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@ -146,6 +146,12 @@ pub fn getRandomBytes(buf: []u8) !void {
};
}
},
Os.wasi => {
const random_get_result = os.wasi.random_get(buf.ptr, buf.len);
if (random_get_result != os.wasi.ESUCCESS) {
return error.Unknown;
}
},
Os.zen => {
const randomness = []u8{ 42, 1, 7, 12, 22, 17, 99, 16, 26, 87, 41, 45 };
var i: usize = 0;

2
std/os/wasi/core.zig
View File

@ -20,3 +20,5 @@ pub extern "wasi_unstable" fn proc_raise(sig: signal_t) errno_t;
pub extern "wasi_unstable" fn proc_exit(rval: exitcode_t) noreturn;
pub extern "wasi_unstable" fn fd_write(fd: fd_t, iovs: *const ciovec_t, iovs_len: usize, nwritten: *usize) errno_t;
pub extern "wasi_unstable" fn random_get(buf: [*]u8, buf_len: usize) errno_t;