/usr/include/dovecot/guid.h is in dovecot-dev 1:2.2.22-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | #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);
/* Generate a GUID (contains host name) */
const char *guid_generate(void);
/* Generate 128 bit GUID */
void guid_128_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);
}
/* 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);
}
/* 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);
/* 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[GUID_128_HOST_HASH_SIZE]);
#endif
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