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3 articles tagged with "c"
In C, memory is a shared pizza — anyone can grab a slice, and anyone can throw the whole thing away. Rust replaces the pizza with a relay race: three ownership rules, moves, and borrowing, all enforced by a compiler that slaps your hand before the bug ever ships.
What happens when 12 bytes are written into an 8-byte buffer? In C, the extras spill into the next variable and the program never notices. In Rust, the program halts and tells you exactly why. The classic buffer overflow, from the stack to the panic.
The same three fields add up to 6 bytes on paper and 12 bytes inside a C struct. Why the CPU reads memory in fixed chunks, where C inserts padding, and how Rust reclaims the wasted space.