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gap.h
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gap.h
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#ifndef GAP_H
#define GAP_H
typedef struct gap_array gap_array;
gap_array* gap_init(int len);
static void* gap_get(gap_array* gap, int index);
static int gap_set(gap_array* gap, int index, void* ptr);
void gap_destroy(gap_array* gap);
int gap_remove_ptr(gap_array* gap, void* ptr, int len);
/* Private declarations to allow inlining.
* Don't assume my implementation. */
typedef struct gap_array {
int len; /* Number of elements in array */
void** array;
} gap_array;
int gap_extend(gap_array* gap);
static inline int __attribute__((unused)) gap_set(gap_array* gap, int index, void* ptr)
{
while (index >= gap->len) {
int res = gap_extend(gap);
if (res == -1) return -1;
}
gap->array[index] = ptr;
return 0;
}
static inline void* __attribute__((unused)) gap_get(gap_array* gap, int index)
{
/* sslh-ev routinely reads before it writes. It's not clear if it should be
* its job to check the length (and add a gap_getlen()), or if it should be
* gap_get()'s job. This will do for now */
if (index >= gap->len) return NULL;
return gap->array[index];
}
#endif