Dependency Set API.

Enumerations
enum	rpmsenseFlags_e {   RPMSENSE_ANY = 0, RPMSENSE_LESS = (1 << 1), RPMSENSE_GREATER = (1 << 2), RPMSENSE_EQUAL = (1 << 3),   RPMSENSE_POSTTRANS = (1 << 5), RPMSENSE_PREREQ = (1 << 6), RPMSENSE_PRETRANS = (1 << 7), RPMSENSE_INTERP = (1 << 8),   RPMSENSE_SCRIPT_PRE = (1 << 9), RPMSENSE_SCRIPT_POST = (1 << 10), RPMSENSE_SCRIPT_PREUN = (1 << 11), RPMSENSE_SCRIPT_POSTUN = (1 << 12),   RPMSENSE_SCRIPT_VERIFY = (1 << 13), RPMSENSE_FIND_REQUIRES = (1 << 14), RPMSENSE_FIND_PROVIDES = (1 << 15), RPMSENSE_TRIGGERIN = (1 << 16),   RPMSENSE_TRIGGERUN = (1 << 17), RPMSENSE_TRIGGERPOSTUN = (1 << 18), RPMSENSE_MISSINGOK = (1 << 19), RPMSENSE_RPMLIB = (1 << 24),   RPMSENSE_TRIGGERPREIN = (1 << 25), RPMSENSE_KEYRING = (1 << 26), RPMSENSE_CONFIG = (1 << 28) }
	Dependency Attributes. More...
Functions
rpmds	rpmdsLink (rpmds ds)
	Reference a dependency set instance.
rpmds	rpmdsFree (rpmds ds)
	Destroy a dependency set.
rpmds	rpmdsNew (Header h, rpmTagVal tagN, int flags)
	Create and load a dependency set.
char *	rpmdsNewDNEVR (const char *dspfx, const rpmds ds)
	Return new formatted dependency string.
rpmds	rpmdsThis (Header h, rpmTagVal tagN, rpmsenseFlags Flags)
	Create, load and initialize a dependency for this header.
rpmds	rpmdsSingle (rpmTagVal tagN, const char *N, const char *EVR, rpmsenseFlags Flags)
	Create, load and initialize a dependency set of size 1.
rpmds	rpmdsCurrent (rpmds ds)
	Return a new dependency set of size 1 from the current iteration index.
int	rpmdsCount (const rpmds ds)
	Return dependency set count.
int	rpmdsIx (const rpmds ds)
	Return dependency set index.
int	rpmdsSetIx (rpmds ds, int ix)
	Set dependency set index.
const char *	rpmdsDNEVR (const rpmds ds)
	Return current formatted dependency string.
const char *	rpmdsN (const rpmds ds)
	Return current dependency name.
const char *	rpmdsEVR (const rpmds ds)
	Return current dependency epoch-version-release.
rpmsenseFlags	rpmdsFlags (const rpmds ds)
	Return current dependency flags.
rpmTagVal	rpmdsTagN (const rpmds ds)
	Return current dependency type.
unsigned int	rpmdsInstance (rpmds ds)
	Return dependency header instance, ie whether the dependency comes from an installed header or not.
int	rpmdsNoPromote (const rpmds ds)
	Return current "Don't promote Epoch:" flag.
int	rpmdsSetNoPromote (rpmds ds, int nopromote)
	Set "Don't promote Epoch:" flag.
rpm_color_t	rpmdsColor (const rpmds ds)
	Return current dependency color.
rpm_color_t	rpmdsSetColor (const rpmds ds, rpm_color_t color)
	Return current dependency color.
void	rpmdsNotify (rpmds ds, const char *where, int rc)
	Notify of results of dependency match.
int	rpmdsNext (rpmds ds)
	Return next dependency set iterator index.
rpmds	rpmdsInit (rpmds ds)
	Initialize dependency set iterator.
int	rpmdsFind (rpmds ds, const rpmds ods)
	Find a dependency set element using binary search.
int	rpmdsMerge (rpmds *dsp, rpmds ods)
	Merge a dependency set maintaining (N,EVR,Flags) sorted order.
int	rpmdsSearch (rpmds ds, rpmds ods)
	Search a sorted dependency set for an element that overlaps.
int	rpmdsCompare (const rpmds A, const rpmds B)
	Compare two versioned dependency ranges, looking for overlap.
int	rpmdsAnyMatchesDep (const Header h, const rpmds req, int nopromote)
	Compare package provides dependencies from header with a single dependency.
int	rpmdsMatchesDep (const Header h, int ix, const rpmds req, int nopromote)
	Compare package provides dependencies from header with a single dependency.
int	rpmdsNVRMatchesDep (const Header h, const rpmds req, int nopromote)
	Compare package name-version-release from header with a single dependency.

---

Enumeration Type Documentation

enum rpmsenseFlags_e

Dependency Attributes.

Enumerator:

RPMSENSE_ANY
RPMSENSE_LESS
RPMSENSE_GREATER
RPMSENSE_EQUAL
RPMSENSE_POSTTRANS	posttrans dependency
RPMSENSE_PREREQ
RPMSENSE_PRETRANS	Pre-transaction dependency.
RPMSENSE_INTERP	Interpreter used by scriptlet.
RPMSENSE_SCRIPT_PRE	pre dependency.
RPMSENSE_SCRIPT_POST	post dependency.
RPMSENSE_SCRIPT_PREUN	preun dependency.
RPMSENSE_SCRIPT_POSTUN	postun dependency.
RPMSENSE_SCRIPT_VERIFY	verify dependency.
RPMSENSE_FIND_REQUIRES	find-requires generated dependency.
RPMSENSE_FIND_PROVIDES	find-provides generated dependency.
RPMSENSE_TRIGGERIN	triggerin dependency.
RPMSENSE_TRIGGERUN	triggerun dependency.
RPMSENSE_TRIGGERPOSTUN	triggerpostun dependency.
RPMSENSE_MISSINGOK	suggests/enhances hint.
RPMSENSE_RPMLIB	rpmlib(feature) dependency.
RPMSENSE_TRIGGERPREIN	triggerprein dependency.
RPMSENSE_KEYRING
RPMSENSE_CONFIG

Definition at line 25 of file rpmds.h.

---

Function Documentation

int rpmdsAnyMatchesDep	(	const Header	h,
		const rpmds	req,
		int	nopromote
	)

Compare package provides dependencies from header with a single dependency.

Parameters:

h	header
req	dependency set
nopromote	Don't promote Epoch: in comparison?

Returns:

1 if any dependency overlaps, 0 otherwise

rpm_color_t rpmdsColor

(

const rpmds

ds

)

Return current dependency color.

Parameters:

ds	dependency set

Returns:

current dependency color

int rpmdsCompare	(	const rpmds	A,
		const rpmds	B
	)

Compare two versioned dependency ranges, looking for overlap.

Parameters:

A	1st dependency
B	2nd dependency

Returns:

1 if dependencies overlap, 0 otherwise

int rpmdsCount

(

const rpmds

ds

)

Return dependency set count.

Parameters:

ds	dependency set

Returns:

current count

rpmds rpmdsCurrent

(

rpmds

ds

)

Return a new dependency set of size 1 from the current iteration index.

Parameters:

ds	dependency set

Returns:

new dependency set

const char* rpmdsDNEVR

(

const rpmds

ds

)

Return current formatted dependency string.

Parameters:

ds	dependency set

Returns:

current dependency DNEVR, NULL on invalid

const char* rpmdsEVR

(

const rpmds

ds

)

Return current dependency epoch-version-release.

Parameters:

ds	dependency set

Returns:

current dependency EVR, NULL on invalid

int rpmdsFind	(	rpmds	ds,
		const rpmds	ods
	)

Find a dependency set element using binary search.

Parameters:

ds	dependency set to search
ods	dependency set element to find.

Returns:

dependency index (or -1 if not found)

rpmsenseFlags rpmdsFlags

(

const rpmds

ds

)

Return current dependency flags.

Parameters:

ds	dependency set

Returns:

current dependency flags, 0 on invalid

rpmds rpmdsFree

(

rpmds

ds

)

Destroy a dependency set.

Parameters:

ds	dependency set

Returns:

NULL always

rpmds rpmdsInit

(

rpmds

ds

)

Initialize dependency set iterator.

Parameters:

ds	dependency set

Returns:

dependency set

unsigned int rpmdsInstance

(

rpmds

ds

)

Return dependency header instance, ie whether the dependency comes from an installed header or not.

Parameters:

ds	dependency set

Returns:

header instance of dependency (0 for not installed)

int rpmdsIx

(

const rpmds

ds

)

Return dependency set index.

Parameters:

ds	dependency set

Returns:

current index

rpmds rpmdsLink

(

rpmds

ds

)

Reference a dependency set instance.

Parameters:

ds	dependency set

Returns:

new dependency set reference

int rpmdsMatchesDep	(	const Header	h,
		int	ix,
		const rpmds	req,
		int	nopromote
	)

Compare package provides dependencies from header with a single dependency.

Parameters:

h	header
ix	index in header provides
req	dependency set
nopromote	Don't promote Epoch: in comparison?

Returns:

1 if any dependency overlaps, 0 otherwise

int rpmdsMerge	(	rpmds *	dsp,
		rpmds	ods
	)

Merge a dependency set maintaining (N,EVR,Flags) sorted order.

Return values:

*dsp	(merged) dependency set

Parameters:

ods	dependency set to merge

Returns:

(merged) dependency index

const char* rpmdsN

(

const rpmds

ds

)

Return current dependency name.

Parameters:

ds	dependency set

Returns:

current dependency name, NULL on invalid

rpmds rpmdsNew	(	Header	h,
		rpmTagVal	tagN,
		int	flags
	)

Create and load a dependency set.

Parameters:

h	header
tagN	type of dependency
flags	unused

Returns:

new dependency set

char* rpmdsNewDNEVR	(	const char *	dspfx,
		const rpmds	ds
	)

Return new formatted dependency string.

Parameters:

dspfx	formatted dependency string prefix
ds	dependency set

Returns:

new formatted dependency (malloc'ed)

int rpmdsNext

(

rpmds

ds

)

Return next dependency set iterator index.

Parameters:

ds	dependency set

Returns:

dependency set iterator index, -1 on termination

int rpmdsNoPromote

(

const rpmds

ds

)

Return current "Don't promote Epoch:" flag.

This flag controls for Epoch: promotion when a dependency set is compared. If the flag is set (for already installed packages), then an unspecified value will be treated as Epoch: 0. Otherwise (for added packages), the Epoch: portion of the comparison is skipped if the value is not specified, i.e. an unspecified Epoch: is assumed to be equal in dependency comparisons.

Parameters:

ds	dependency set

Returns:

current "Don't promote Epoch:" flag

void rpmdsNotify	(	rpmds	ds,
		const char *	where,
		int	rc
	)

Notify of results of dependency match.

Parameters:

ds	dependency set
where	where dependency was resolved (or NULL)
rc	0 == YES, otherwise NO

int rpmdsNVRMatchesDep	(	const Header	h,
		const rpmds	req,
		int	nopromote
	)

Compare package name-version-release from header with a single dependency.

Parameters:

h	header
req	dependency set
nopromote	Don't promote Epoch: in comparison?

Returns:

1 if dependency overlaps, 0 otherwise

int rpmdsSearch	(	rpmds	ds,
		rpmds	ods
	)

Search a sorted dependency set for an element that overlaps.

A boolean result is saved (if allocated) and accessible through rpmdsResult(ods) afterwards.

Parameters:

ds	dependency set to search
ods	dependency set element to find.

Returns:

dependency index (or -1 if not found)

rpm_color_t rpmdsSetColor	(	const rpmds	ds,
		rpm_color_t	color
	)

Return current dependency color.

Parameters:

ds	dependency set
color	new dependency color

Returns:

previous dependency color

int rpmdsSetIx	(	rpmds	ds,
		int	ix
	)

Set dependency set index.

Parameters:

ds	dependency set
ix	new index

Returns:

current index

int rpmdsSetNoPromote	(	rpmds	ds,
		int	nopromote
	)

Set "Don't promote Epoch:" flag.

Parameters:

ds	dependency set
nopromote	Should an unspecified Epoch: be treated as Epoch: 0?

Returns:

previous "Don't promote Epoch:" flag

rpmds rpmdsSingle	(	rpmTagVal	tagN,
		const char *	N,
		const char *	EVR,
		rpmsenseFlags	Flags
	)

Create, load and initialize a dependency set of size 1.

Parameters:

tagN	type of dependency
N	name
EVR	epoch:version-release
Flags	comparison flags

Returns:

new dependency set

rpmTagVal rpmdsTagN

(

const rpmds

ds

)

Return current dependency type.

Parameters:

ds	dependency set

Returns:

current dependency type, 0 on invalid

rpmds rpmdsThis	(	Header	h,
		rpmTagVal	tagN,
		rpmsenseFlags	Flags
	)

Create, load and initialize a dependency for this header.

Parameters:

h	header
tagN	type of dependency
Flags	comparison flags

Returns:

new dependency set