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Merge pull request #1414 from RReverser/smaller-realloc

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Optimise encodeInto reallocations
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Alex Crichton 2019-04-02 10:26:03 -05:00 committed by GitHub
commit a1c457bd15
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1 changed files with 4 additions and 5 deletions
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9
crates/cli-support/src/js/mod.rs
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@ -1306,13 +1306,12 @@ impl<'a> Context<'a> {
while (true) {{
const view = getUint8Memory().subarray(ptr + writeOffset, ptr + size);
const {{ read, written }} = cachedTextEncoder.encodeInto(arg, view);
arg = arg.substring(read);
writeOffset += written;
if (arg.length === 0) {{
if (read === arg.length) {{
break;
}}
ptr = wasm.__wbindgen_realloc(ptr, size, size * 2);
size *= 2;
arg = arg.substring(read);
writeOffset += written;
ptr = wasm.__wbindgen_realloc(ptr, size, size += arg.length * 3);
}}
WASM_VECTOR_LEN = writeOffset;
return ptr;