uuid.c File Reference

#include "uuid.h"
#include "error.h"
#include "avstring.h"

Go to the source code of this file.

Functions
int	av_uuid_parse (const char *in, AVUUID uu)
	Parses a string representation of a UUID formatted according to IETF RFC 4122 into an AVUUID. More...
static int	xdigit_to_int (char c)
int	av_uuid_parse_range (const char *in_start, const char *in_end, AVUUID uu)
	Parses a string representation of a UUID formatted according to IETF RFC 4122 into an AVUUID. More...
void	av_uuid_unparse (const AVUUID uuid, char *out)
	Serializes a AVUUID into a string representation according to IETF RFC 4122. More...
int	av_uuid_urn_parse (const char *in, AVUUID uu)
	Parses a URN representation of a UUID, as specified at IETF RFC 4122, into an AVUUID. More...

Variables
static const char	hexdigits_lower [16] = "0123456789abcdef"

Detailed Description

UUID parsing and serialization utilities. The library treat the UUID as an opaque sequence of 16 unsigned bytes, i.e. ignoring the internal layout of the UUID, which depends on the type of the UUID.

Author

Pierre-Anthony Lemieux pal@p.nosp@m.alem.nosp@m.ieux..nosp@m.com

Zane van Iperen zane@.nosp@m.zane.nosp@m.vanip.nosp@m.eren.nosp@m..com

Definition in file uuid.c.

Function Documentation

av_uuid_parse()

int av_uuid_parse	(	const char *	in,
		AVUUID	uu
	)

Parses a string representation of a UUID formatted according to IETF RFC 4122 into an AVUUID.

The parsing is case-insensitive. The string must be 37 characters long, including the terminating NUL character.

Example string representation: "2fceebd0-7017-433d-bafb-d073a7116696"

Parameters

[in]	in	String representation of a UUID, e.g. 2fceebd0-7017-433d-bafb-d073a7116696
[out]	uu	AVUUID

Returns

A non-zero value in case of an error.

Definition at line 67 of file uuid.c.

Referenced by av_uuid_urn_parse(), and main().

xdigit_to_int()

static int xdigit_to_int ( char  c )

static

Definition at line 75 of file uuid.c.

Referenced by av_uuid_parse_range().

av_uuid_parse_range()

int av_uuid_parse_range	(	const char *	in_start,
		const char *	in_end,
		AVUUID	uu
	)

Parses a string representation of a UUID formatted according to IETF RFC 4122 into an AVUUID.

The parsing is case-insensitive.

Parameters

[in]	in_start	Pointer to the first character of the string representation
[in]	in_end	Pointer to the character after the last character of the string representation. That memory location is never accessed. It is an error if in_end - in_start != 36.
[out]	uu	AVUUID

Returns

A non-zero value in case of an error.

Definition at line 88 of file uuid.c.

Referenced by av_uuid_parse(), and main().

av_uuid_unparse()

void av_uuid_unparse	(	const AVUUID	uu,
		char *	out
	)

Serializes a AVUUID into a string representation according to IETF RFC 4122.

The string is lowercase and always 37 characters long, including the terminating NUL character.

Parameters

[in]	uu	AVUUID
[out]	out	Pointer to an array of no less than 37 characters.

Definition at line 117 of file uuid.c.

av_uuid_urn_parse()

int av_uuid_urn_parse	(	const char *	in,
		AVUUID	uu
	)

Parses a URN representation of a UUID, as specified at IETF RFC 4122, into an AVUUID.

The parsing is case-insensitive. The string must be 46 characters long, including the terminating NUL character.

Example string representation: "urn:uuid:2fceebd0-7017-433d-bafb-d073a7116696"

Parameters

[in]	in	URN UUID
[out]	uu	AVUUID

Returns

A non-zero value in case of an error.

Definition at line 135 of file uuid.c.

Referenced by ff_imf_xml_read_uuid(), and main().

Variable Documentation

hexdigits_lower

const char hexdigits_lower[16] = "0123456789abcdef"

static

Definition at line 115 of file uuid.c.

Referenced by av_uuid_unparse().