From 311230492fe25e9f66285f1d96a623184dfab518 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Tue, 28 Oct 2025 14:55:25 -0500
Subject: [PATCH] test

---
 esphome/components/api/proto.h | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/esphome/components/api/proto.h b/esphome/components/api/proto.h
index f2d8dec3df..51353a42e6 100644
--- a/esphome/components/api/proto.h
+++ b/esphome/components/api/proto.h
@@ -221,22 +221,24 @@ class ProtoWriteBuffer {
   // Single implementation that all overloads delegate to
   void encode_varint_raw(uint64_t value) {
     size_t start = this->buffer_->size();
-    uint8_t *p;
 
-    // Optimize for common small values - calculate size upfront to avoid double resize
+    // Fast paths for common cases (1-4 bytes) - inline encoding avoids loop overhead
     if (value < 128) {
       // 1 byte - very common for field IDs and small lengths
       this->buffer_->resize(start + 1);
       this->buffer_->data()[start] = static_cast<uint8_t>(value);
       return;
-    } else if (value < 16384) {
+    }
+    uint8_t *p;
+    if (value < 16384) {
       // 2 bytes
       this->buffer_->resize(start + 2);
       p = this->buffer_->data() + start;
       p[0] = (value & 0x7F) | 0x80;
       p[1] = (value >> 7) & 0x7F;
       return;
-    } else if (value < 2097152) {
+    }
+    if (value < 2097152) {
       // 3 bytes
       this->buffer_->resize(start + 3);
       p = this->buffer_->data() + start;
@@ -244,7 +246,8 @@ class ProtoWriteBuffer {
       p[1] = ((value >> 7) & 0x7F) | 0x80;
       p[2] = (value >> 14) & 0x7F;
       return;
-    } else if (value < 268435456) {
+    }
+    if (value < 268435456) {
       // 4 bytes
       this->buffer_->resize(start + 4);
       p = this->buffer_->data() + start;
@@ -274,7 +277,6 @@ class ProtoWriteBuffer {
 
     this->buffer_->resize(start + size);
     p = this->buffer_->data() + start;
-
     size_t bytes = 0;
     while (value) {
       uint8_t temp = value & 0x7F;