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tweak

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This commit is contained in:
J. Nick Koston
2025-10-28 15:19:55 -05:00
parent 77e8c12c96
commit f9298aef0f
1 changed files with 2 additions and 12 deletions
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14
esphome/components/api/proto.h
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@@ -249,19 +249,9 @@ class ProtoWriteBuffer {
p[2] = (value >> 14) & 0x7F;
return;
}
if (value < (1ULL << 28)) {
// 4 bytes
buffer->resize(start + 4);
p = buffer->data() + start;
p[0] = (value & 0x7F) | 0x80;
p[1] = ((value >> 7) & 0x7F) | 0x80;
p[2] = ((value >> 14) & 0x7F) | 0x80;
p[3] = (value >> 21) & 0x7F;
return;
}
// Rare case: 5-10 byte values - use CLZ to calculate size
// Value is guaranteed >= 268435456, so CLZ is safe (non-zero)
// Rare case: 4-10 byte values - use CLZ to calculate size
// Value is guaranteed >= (1ULL << 21), so CLZ is safe (non-zero)
uint32_t bits = 64 - __builtin_clzll(value);
uint32_t size = (bits + 6) / 7;