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Use indexed writes in write_short_string

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Single pointer advance instead of repeated post-increments.
This commit is contained in:
J. Nick Koston
2026-04-06 08:51:42 -10:00
parent b8981aae12
commit f0e3b992cf
1 changed files with 4 additions and 4 deletions
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esphome/components/api/proto.h
+4 -4
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@@ -362,10 +362,10 @@ class ProtoEncode {
static inline void ESPHOME_ALWAYS_INLINE write_short_string(uint8_t *__restrict__ &pos PROTO_ENCODE_DEBUG_PARAM,
uint8_t tag, const StringRef &ref) {
PROTO_ENCODE_CHECK_BOUNDS(pos, 2 + ref.size());
*pos++ = tag;
*pos++ = static_cast<uint8_t>(ref.size());
std::memcpy(pos, ref.c_str(), ref.size());
pos += ref.size();
pos[0] = tag;
pos[1] = static_cast<uint8_t>(ref.size());
std::memcpy(pos + 2, ref.c_str(), ref.size());
pos += 2 + ref.size();
}
/// Write a precomputed tag byte + 32-bit value in one operation.
static inline void ESPHOME_ALWAYS_INLINE write_tag_and_fixed32(uint8_t *__restrict__ &pos PROTO_ENCODE_DEBUG_PARAM,