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Yawning Angel
b155fdf8c9
This allows runtime detection as to if `rand_bytes` is supported or not, and lets us enable the test-case on all of the supported targets.
25 lines
417 B
Odin
25 lines
417 B
Odin
package crypto
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foreign import "odin_env"
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foreign odin_env {
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@(link_name = "rand_bytes")
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env_rand_bytes :: proc "contextless" (buf: []byte) ---
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}
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_MAX_PER_CALL_BYTES :: 65536 // 64kiB
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_rand_bytes :: proc(dst: []byte) {
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dst := dst
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for len(dst) > 0 {
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to_read := min(len(dst), _MAX_PER_CALL_BYTES)
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env_rand_bytes(dst[:to_read])
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dst = dst[to_read:]
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}
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}
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_has_rand_bytes :: proc () -> bool {
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return true
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}
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