fix(klib): parenthesize kvec macro arguments

Problem:
The kvec append and reserve macros do not parenthesize length arguments.
Compound expressions can change the allocation and copy sizes, causing
buffer overflows for elements larger than one byte. The append macros
also expand to bare if statements, making them unsafe to use in unbraced
if/else statements.

Solution:
Parenthesize length and data arguments and wrap both append macros in
do/while statements.

AI-assisted

0 files changed, 0 insertions, 0 deletions