$struct foo { /* ... */ size_t count; /* Number of elements in array */ int array[] __attribute__((counted_by(count))); }; struct foo * foo_$

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2024-07-11 08:00:04

struct foo { /* ... */ size_t count; /* Number of elements in array */ int array[] __attribute__((counted_by(count))); };

struct foo * foo_alloc (size_t count) { struct foo * ptr = NULL ; size_t size = MAX(sizeof (struct foo), offsetof(struct foo, array[0 ]) + count * sizeof (p-> array[0 ])); ptr = calloc(1 , size); ptr-> count = count; return ptr; }