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src: warn about odd UTF-16 decoding function signature #22623

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src: warn about odd UTF-16 decoding function signature #22623

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3 changes: 2 additions & 1 deletion src/node.h
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Original file line number Diff line number Diff line change
Expand Up @@ -413,7 +413,8 @@ NODE_EXTERN v8::Local<v8::Value> Encode(v8::Isolate* isolate,
size_t len,
enum encoding encoding = LATIN1);

// The input buffer should be in host endianness.
// Warning: This reverses endianness on Big Endian platforms, even though the
// signature using uint16_t implies that it should not.
NODE_EXTERN v8::Local<v8::Value> Encode(v8::Isolate* isolate,
const uint16_t* buf,
size_t len);
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5 changes: 4 additions & 1 deletion src/string_bytes.h
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Expand Up @@ -100,7 +100,10 @@ class StringBytes {
enum encoding encoding,
v8::Local<v8::Value>* error);

// The input buffer should be in host endianness.
// Warning: This reverses endianness on BE platforms, even though the
// signature using uint16_t implies that it should not.
// However, the brokenness is already public API and can't therefore
// be changed easily.
static v8::MaybeLocal<v8::Value> Encode(v8::Isolate* isolate,
const uint16_t* buf,
size_t buflen,
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