A dreadful thing

[kpreid]

some type *foo;
size_t count = ...;

...

foo = malloc(count * sizeof * foo);

Comments

Re: My favourite

[kpreid.livejournal.com]

I just noticed that this is valid Haskell code, defining a function. As well as C code not defining a function.

Re: My favourite

[rgs26.livejournal.com]

The C code exhibits undefined behaviour. If the stack garbage used as 'x' is a signaling NaN, that line can cause your program to crash...