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AK: Remove some now-unnecessary workarounds for simdutf base64 usage

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Timothy Flynn 2025-06-01 06:58:47 -04:00 • committed by Tim Flynn
parent 3693fd5caa
commit 5e40db5a17
Notes: github-actions[bot] 2025-06-01 12:04:06 +00:00
3 changed files with 4 additions and 9 deletions
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9
AK/Base64.cpp
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@ -45,9 +45,7 @@ static ErrorOr<size_t, InvalidBase64> decode_base64_into_impl(StringView input,
to_simdutf_last_chunk_handling(last_chunk_handling),
decode_up_to_bad_character);
if (result.error == simdutf::BASE64_INPUT_REMAINDER && last_chunk_handling == LastChunkHandling::StopBeforePartial) {
result.error = simdutf::SUCCESS;
} else if (result.error != simdutf::SUCCESS && result.error != simdutf::OUTPUT_BUFFER_TOO_SMALL) {
if (result.error != simdutf::SUCCESS && result.error != simdutf::OUTPUT_BUFFER_TOO_SMALL) {
output.resize((result.count / 4) * 3);
auto error = [&]() {
@ -69,10 +67,7 @@ static ErrorOr<size_t, InvalidBase64> decode_base64_into_impl(StringView input,
VERIFY(output_length <= output.size());
output.resize(output_length);
if (last_chunk_handling == LastChunkHandling::StopBeforePartial)
return input.length() - (input.length() % 4);
return result.error == simdutf::SUCCESS ? input.length() : result.count;
return result.count;
}
static ErrorOr<ByteBuffer> decode_base64_impl(StringView input, LastChunkHandling last_chunk_handling, simdutf::base64_options options)

2
Libraries/LibJS/Tests/builtins/TypedArray/Uint8Array.fromBase64.js
View file

@ -40,7 +40,7 @@ describe("errors", () => {
test("invalid padding", () => {
expect(() => {
Uint8Array.fromBase64("Zm9v=", { lastChunkHandling: "strict" });
}).toThrowWithMessage(SyntaxError, "Invalid trailing data");
}).toThrowWithMessage(SyntaxError, "Invalid base64 character");
expect(() => {
Uint8Array.fromBase64("Zm9vaa=", { lastChunkHandling: "strict" });

2
Libraries/LibJS/Tests/builtins/TypedArray/Uint8Array.prototype.setFromBase64.js
View file

@ -79,7 +79,7 @@ describe("errors", () => {
test("invalid padding", () => {
expect(() => {
new Uint8Array(10).setFromBase64("Zm9v=", { lastChunkHandling: "strict" });
}).toThrowWithMessage(SyntaxError, "Invalid trailing data");
}).toThrowWithMessage(SyntaxError, "Invalid base64 character");
expect(() => {
new Uint8Array(10).setFromBase64("Zm9vaa=", { lastChunkHandling: "strict" });