sascha/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2025-10-31 07:03:55 +00:00
Code Issues Releases Wiki Activity

fix

Browse Source
This commit is contained in:
J. Nick Koston
2025-10-28 15:17:18 -05:00
parent e2d1dc8443
commit 77e8c12c96
1 changed files with 4 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
esphome/components/api/proto.h
View File

@@ -260,22 +260,10 @@ class ProtoWriteBuffer {
return;
}
// Rare case: 5-10 byte values - calculate size, single resize, loop encode
// We know value >= 268435456, so skip checks for 1-4 bytes
uint32_t size;
if (value < (1ULL << 35)) {
size = 5;
} else if (value < (1ULL << 42)) {
size = 6;
} else if (value < (1ULL << 49)) {
size = 7;
} else if (value < (1ULL << 56)) {
size = 8;
} else if (value < (1ULL << 63)) {
size = 9;
} else {
size = 10;
}
// Rare case: 5-10 byte values - use CLZ to calculate size
// Value is guaranteed >= 268435456, so CLZ is safe (non-zero)
uint32_t bits = 64 - __builtin_clzll(value);
uint32_t size = (bits + 6) / 7;
buffer->resize(start + size);
p = buffer->data() + start;