view release on metacpan or  search on metacpan

maxminddb/src/maxminddb.c  view on Meta::CPAN

#else
#include <arpa/inet.h>
#include <sys/mman.h>
#include <unistd.h>
#endif

#define MMDB_DATA_SECTION_SEPARATOR (16)
#define MAXIMUM_DATA_STRUCTURE_DEPTH (512)

#ifdef MMDB_DEBUG
#define DEBUG_MSG(msg) fprintf(stderr, msg "\n")
#define DEBUG_MSGF(fmt, ...) fprintf(stderr, fmt "\n", __VA_ARGS__)
#define DEBUG_BINARY(fmt, byte)                                                \
    do {                                                                       \
        char *binary = byte_to_binary(byte);                                   \
        if (NULL == binary) {                                                  \
            fprintf(stderr, "Calloc failed in DEBUG_BINARY\n");                \
            abort();                                                           \
        }                                                                      \
        fprintf(stderr, fmt "\n", binary);                                     \
        free(binary);                                                          \
    } while (0)
#define DEBUG_NL fprintf(stderr, "\n")
#else
#define DEBUG_MSG(...)
#define DEBUG_MSGF(...)
#define DEBUG_BINARY(...)
#define DEBUG_NL
#endif

#ifdef MMDB_DEBUG
char *byte_to_binary(uint8_t byte) {
    char *bits = calloc(9, sizeof(char));