#ifndef GUID_H

#define GUID_H

#define GUID_128_SIZE 16

typedef uint8_t guid_128_t[GUID_128_SIZE];

#define GUID_128_HOST_HASH_SIZE 4

ARRAY_DEFINE_TYPE(guid_128_t, guid_128_t);

/* Very liberal check, checks only version. */

#define GUID_128_IS_UUID4(uuid) \

  (((uuid)[6] & 0xF0) == 0x40)

enum uuid_format {

  FORMAT_RECORD,

  FORMAT_COMPACT,

  FORMAT_MICROSOFT,

};

/* Generate a GUID (contains host name) */

const char *guid_generate(void);

/* Generate 128 bit GUID */

void guid_128_generate(guid_128_t guid_r);

/* Generate UUID4gen1 */

void guid_128_uuid4_generate(guid_128_t guid_r);

/* Returns TRUE if GUID is empty (not set / unknown). */

bool guid_128_is_empty(const guid_128_t guid) ATTR_PURE;

static inline void guid_128_empty(guid_128_t guid)

{

  memset(guid, 0, GUID_128_SIZE);

}

Unexecuted instantiation: smtp-server-connection.c:guid_128_empty

Unexecuted instantiation: smtp-server-cmd-starttls.c:guid_128_empty

Unexecuted instantiation: var-expand.c:guid_128_empty

Unexecuted instantiation: guid.c:guid_128_empty

/* Returns TRUE if two GUIDs are equal. */

bool guid_128_equals(const guid_128_t guid1, const guid_128_t guid2) ATTR_PURE;

/* Copy GUID */

static inline void guid_128_copy(guid_128_t dest, const guid_128_t src)

{

  memcpy(dest, src, GUID_128_SIZE);

}

Unexecuted instantiation: smtp-server-connection.c:guid_128_copy

Unexecuted instantiation: smtp-server-cmd-starttls.c:guid_128_copy

Unexecuted instantiation: var-expand.c:guid_128_copy

Unexecuted instantiation: guid.c:guid_128_copy

/* Returns GUID as a hex string. */

const char *guid_128_to_string(const guid_128_t guid);

/* Parse GUID from a string. Returns 0 if ok, -1 if GUID isn't valid. */

int guid_128_from_string(const char *str, guid_128_t guid_r);

/* Returns GUID as a UUID hex string. */

const char *guid_128_to_uuid_string(const guid_128_t guid, enum uuid_format format);

/* Parse GUID from a UUID string. Returns 0 if ok, -1 if UUID isn't valid. */

int guid_128_from_uuid_string(const char *str, guid_128_t guid_r);

/* guid_128 hash/cmp functions for hash.h */

unsigned int guid_128_hash(const guid_128_t guid) ATTR_PURE;

int guid_128_cmp(const guid_128_t guid1, const guid_128_t guid2) ATTR_PURE;

/* Return the hash of host used by guid_128_generate(). */

void guid_128_host_hash_get(const char *host,

          unsigned char hash_r[STATIC_ARRAY GUID_128_HOST_HASH_SIZE]);

#endif