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Reduce reallocation in buffer expansion #436

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Reduce reallocation in buffer expansion #436

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4 changes: 2 additions & 2 deletions src/run.c
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Original file line number Diff line number Diff line change
Expand Up @@ -143,8 +143,8 @@ Bytes readback_bytes(Net* net, Book* book, Port port) {
if (ctr.args_len != 2) break;
if (get_tag(ctr.args_buf[0]) != NUM) break;

if (bytes.len == capacity - 1) {
capacity *= 2;
if (bytes.len + 16 >= capacity) { // Grow in larger increments
capacity *= 2 + 128; // Avoid frequent realloc
bytes.buf = realloc(bytes.buf, capacity);
}

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