rte_uuid_copy(3)

Usage

Typedefs

typedef unsigned char rte_uuid_t [16]

Functions

bool rte_uuid_is_null (const rte_uuid_t uu)

int rte_uuid_compare (const rte_uuid_t a, const rte_uuid_t b)

int rte_uuid_parse (const char *in, rte_uuid_t uu)

Detailed Description

UUID related functions originally from libuuid

Definition in file rte_uuid.h.

Macro Definition Documentation

#define RTE_UUID_INIT(a, b, c, d, e)

Value:.PP

    {       \
    ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, \
    ((a) >> 8) & 0xff, (a) & 0xff,      \
    ((b) >> 8) & 0xff, (b) & 0xff,      \
    ((c) >> 8) & 0xff, (c) & 0xff,      \
    ((d) >> 8) & 0xff, (d) & 0xff,      \
    ((e) >> 40) & 0xff, ((e) >> 32) & 0xff, \
    ((e) >> 24) & 0xff, ((e) >> 16) & 0xff, \
    ((e) >> 8) & 0xff, (e) & 0xff       \
}

Helper for defining UUID values for id tables.

Definition at line 29 of file rte_uuid.h.

#define RTE_UUID_STRLEN (36 + 1)

UUID string length

Definition at line 41 of file rte_uuid.h.

Typedef Documentation

typedef unsigned char rte_uuid_t[16]

Struct describing a Universal Unique Identifier

Definition at line 24 of file rte_uuid.h.

Function Documentation

bool rte_uuid_is_null (const rte_uuid_t uu)

Test if UUID is all zeros.

Parameters

uu The uuid to check.

Returns

true if uuid is NULL value, false otherwise

static void rte_uuid_copy (rte_uuid_t dst, const rte_uuid_t src) [inline], [static]

Copy uuid.

Parameters

dst Destination uuid
src Source uuid

Definition at line 61 of file rte_uuid.h.

int rte_uuid_compare (const rte_uuid_t a, const rte_uuid_t b)

Compare two UUID's

Parameters

a A UUID to compare
b A UUID to compare

Returns

returns an integer less than, equal to, or greater than zero if UUID a is is less than, equal, or greater than UUID b.

int rte_uuid_parse (const char * in, rte_uuid_t uu)

Extract UUID from string

Parameters

in Pointer to string of characters to convert
uu Destination UUID

Returns

Returns 0 on success, and -1 if string is not a valid UUID.

void rte_uuid_unparse (const rte_uuid_t uu, char * out, size_t len)

Convert UUID to string

Parameters

uu UUID to format
out Resulting string buffer
len Sizeof the available string buffer