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static int ok(int *a, int *b)
{
return a - b;
}
struct s {
int a, b, c;
};
static int ko(struct s *a, struct s *b)
{
return a - b;
}
/*
* check-name: ptr-sub-blows
* check-command: sparse -Wptr-subtraction-blows $file
*
* check-error-start
ptr-sub-blows.c:12:18: warning: potentially expensive pointer subtraction
ptr-sub-blows.c:12:18: 'struct s' has a non-power-of-2 size: 12
* check-error-end
*/
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