#include <string.h>
#include <assert.h>
-#define INDEX_BITS ((sizeof(shachain_index_t)) * CHAR_BIT)
-
static void change_bit(unsigned char *arr, size_t index)
{
arr[index / CHAR_BIT] ^= (1 << (index % CHAR_BIT));
static unsigned int count_trailing_zeroes(shachain_index_t index)
{
#if HAVE_BUILTIN_CTZLL
- return index ? (unsigned int)__builtin_ctzll(index) : INDEX_BITS;
+ return index ? (unsigned int)__builtin_ctzll(index) : SHACHAIN_BITS;
#else
unsigned int i;
- for (i = 0; i < INDEX_BITS; i++) {
+ for (i = 0; i < SHACHAIN_BITS; i++) {
if (index & (1ULL << i))
break;
}
/* You have to insert them in order! */
assert(index == chain->min_index - 1 ||
- (index == (shachain_index_t)(-1ULL) && chain->num_valid == 0));
+ (index == (shachain_index_t)(UINT64_MAX >> (64 - SHACHAIN_BITS))
+ && chain->num_valid == 0));
pos = count_trailing_zeroes(index);