lib/depends.c File Reference

#include "system.h"
#include "rpmio_internal.h"
#include <rpmcli.h>
#include <rpmmacro.h>
#include <envvar.h>
#include <ugid.h>
#include "rpmdb.h"
#include "rpmds.h"
#include "rpmfi.h"
#include "rpmte.h"
#include "rpmts.h"
#include "debug.h"

Include dependency graph for depends.c:

Go to the source code of this file.

Data Structures
struct	orderListIndex_s
struct	badDeps_s
Defines
#define	CACHE_DEPENDENCY_RESULT   1
#define	_RPMDB_INTERNAL
#define	_RPMEVR_INTERNAL
#define	_RPMTE_INTERNAL
#define	_RPMTS_INTERNAL
#define	isAuto(_x)   (1)
Typedefs
typedef orderListIndex_s *	orderListIndex
Functions
static int	intcmp (const void *a, const void *b)
	Compare removed package instances (qsort/bsearch).
static int	removePackage (rpmts ts, Header h, int dboffset, int *indexp, alKey depends)
	Add removed package instance to ordered transaction set.
static int	rpmHeadersIdentical (Header first, Header second)
	Are two headers identical?
static int	rpmtsAddUpgrades (rpmts ts, rpmte p, uint32_t hcolor, Header h)
	Add upgrade erasures to a transaction set.
static int	rpmtsAddObsoletes (rpmts ts, rpmte p, uint32_t hcolor)
	Add Obsoletes: erasures to a transaction set.
int	rpmtsAddInstallElement (rpmts ts, Header h, fnpyKey key, int upgrade, rpmRelocation relocs)
	Add package to be installed to transaction set.
int	rpmtsAddEraseElement (rpmts ts, Header h, int dboffset)
	Add package to be erased to transaction set.
static int	unsatisfiedDepend (rpmts ts, rpmds dep, int adding)
	Check dep for an unsatisfied dependency.
static int	checkPackageDeps (rpmts ts, const char *pkgNEVRA, rpmds requires, rpmds conflicts, rpmds dirnames, rpmds linktos, const char *depName, uint_32 tscolor, int adding)
	Check added requires/conflicts against against installed+added packages.
static int	checkPackageSet (rpmts ts, const char *depName, rpmdbMatchIterator mi, int adding)
	Check dependency against installed packages.
static int	checkDependentPackages (rpmts ts, const char *depName)
	Check to-be-erased dependencies against installed requires.
static int	checkDependentConflicts (rpmts ts, const char *depName)
	Check to-be-added dependencies against installed conflicts.
static void	freeBadDeps (void)
static int	ignoreDep (const rpmts ts, const rpmte p, const rpmte q)
	Check for dependency relations to be ignored.
static void	markLoop (tsortInfo tsi, rpmte q)
	Recursively mark all nodes with their predecessors.
static const char *	identifyDepend (int_32 f)
static const char *	zapRelation (rpmte q, rpmte p, int zap, int *nzaps, int msglvl)
	Find (and eliminate co-requisites) "q <- p" relation in dependency loop.
static int	addRelation (rpmts ts, rpmte p, unsigned char *selected, rpmds requires)
	Record next "q <- p" relation (i.e.
static int	orderListIndexCmp (const void *one, const void *two)
	Compare ordered list entries by index (qsort/bsearch).
static void	addQ (rpmte p, rpmte *qp, rpmte *rp, uint_32 prefcolor)
	Add element to list sorting by tsi_qcnt.
int	rpmtsOrder (rpmts ts)
	Determine package order in a transaction set according to dependencies.
int	rpmtsCheck (rpmts ts)
	Check that all dependencies can be resolved.
Variables
int	_cacheDependsRC = 1
const char *	rpmNAME = PACKAGE
const char *	rpmEVR = VERSION
int	rpmFLAGS = RPMSENSE_EQUAL
static rpmTag	_upgrade_tag
static rpmTag	_obsolete_tag
static int	badDepsInitialized = 0
static struct badDeps_s *	badDeps = NULL
static uint32_t	_autobits = 0xffffffff

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Detailed Description

Definition in file depends.c.

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Define Documentation

#define _RPMDB_INTERNAL

Definition at line 17 of file depends.c.

#define _RPMEVR_INTERNAL

Definition at line 21 of file depends.c.

#define _RPMTE_INTERNAL

Definition at line 25 of file depends.c.

#define _RPMTS_INTERNAL

Definition at line 28 of file depends.c.

#define CACHE_DEPENDENCY_RESULT   1

Definition at line 15 of file depends.c.

#define isAuto (  _x   )     (1)

Definition at line 2062 of file depends.c. Referenced by rpmtsOrder().

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Typedef Documentation

typedef struct orderListIndex_s* orderListIndex

Definition at line 42 of file depends.c.

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Function Documentation

static void addQ (  rpmte  p, rpmte *  qp, rpmte *  rp, uint_32  prefcolor )  [static]

Add element to list sorting by tsi_qcnt. Parameters: p  new element Return values: *qp  first element *rp  last element Parameters: prefcolor  preferred color Definition at line 2004 of file depends.c. References rpmteColor(), rpmteTSI(), rpmteType(), and TR_REMOVED. Referenced by rpmtsOrder().

static int addRelation (  rpmts  ts, rpmte  p, unsigned char *  selected, rpmds  requires )  [inline, static]

Record next "q <- p" relation (i.e. "p" requires "q"). Parameters: ts  transaction set p  predecessor (i.e. package that "Requires: q") selected  boolean package selected array requires  relation Returns: 0 always Definition at line 1871 of file depends.c. References ignoreDep(), RPMAL_NOMATCH, rpmalSatisfiesDepend(), rpmdsIx(), rpmdsN(), rpmdsNSType(), rpmdsTagN(), RPMNS_TYPE_ACCESS, RPMNS_TYPE_CPUINFO, RPMNS_TYPE_DIGEST, RPMNS_TYPE_DISKSPACE, RPMNS_TYPE_ENVVAR, RPMNS_TYPE_GETCONF, RPMNS_TYPE_GNUPG, RPMNS_TYPE_GROUP, RPMNS_TYPE_MACRO, RPMNS_TYPE_MOUNTED, RPMNS_TYPE_RPMLIB, RPMNS_TYPE_RUNNING, RPMNS_TYPE_SONAME, RPMNS_TYPE_UNAME, RPMNS_TYPE_USER, rpmteAddedKey(), rpmteDepth(), rpmteSetDepth(), rpmteTSI(), rpmteType(), rpmtsiFree, rpmtsiInit, rpmtsiNext(), TR_ADDED, TR_REMOVED, and xcalloc(). Referenced by rpmtsOrder().

static int checkDependentConflicts (  rpmts  ts, const char *  depName )  [static]

Check to-be-added dependencies against installed conflicts. Parameters: ts  transaction set depName  conflicts name Returns: 0 no problems found Definition at line 1592 of file depends.c. References checkPackageSet(), RPMTAG_CONFLICTNAME, rpmtsGetRdb(), and rpmtsInitIterator(). Referenced by rpmtsCheck().

static int checkDependentPackages (  rpmts  ts, const char *  depName )  [static]

Check to-be-erased dependencies against installed requires. Parameters: ts  transaction set depName  requires name Returns: 0 no problems found Definition at line 1571 of file depends.c. References checkPackageSet(), RPMTAG_REQUIRENAME, rpmtsGetRdb(), and rpmtsInitIterator(). Referenced by rpmtsCheck().

static int checkPackageDeps (  rpmts  ts, const char *  pkgNEVRA, rpmds  requires, rpmds  conflicts, rpmds  dirnames, rpmds  linktos, const char *  depName, uint_32  tscolor, int  adding )  [static]

Check added requires/conflicts against against installed+added packages. Parameters: ts  transaction set pkgNEVRA  package name-version-release.arch requires  Requires: dependencies (or NULL) conflicts  Conflicts: dependencies (or NULL) dirnames  Dirnames: dependencies (or NULL) linktos  Filelinktos: dependencies (or NULL) depName  dependency name to filter (or NULL) tscolor  color bits for transaction set (0 disables) adding  dependency is from added package set? Returns: 0 no problems found Definition at line 1310 of file depends.c. References rpmalAllSatisfiesDepend(), rpmdsColor(), rpmdsInit(), rpmdsN(), rpmdsNext(), rpmdsProblem(), rpmExpandNumeric(), rpmpsFree(), rpmtsProblems(), and unsatisfiedDepend(). Referenced by checkPackageSet(), and rpmtsCheck().

static int checkPackageSet (  rpmts  ts, const char *  depName, rpmdbMatchIterator  mi, int  adding )  [static]

Check dependency against installed packages. Adding: check name/provides dep against each conflict match, Erasing: check name/provides/filename dep against each requiredby match. Parameters: ts  transaction set depName  dependency name mi  rpm database iterator adding  dependency is from added package set? Returns: 0 no problems found Definition at line 1509 of file depends.c. References _free(), _rpmds_nopromote, checkPackageDeps(), hGetNEVRA(), rpmdbFreeIterator(), rpmdbNextIterator(), rpmdbPruneIterator(), RPMDEPS_FLAG_NOCONFLICTS, RPMDEPS_FLAG_NOLINKTOS, RPMDEPS_FLAG_NOPARENTDIRS, RPMDEPS_FLAG_NOREQUIRES, rpmdsFree(), rpmdsNew(), rpmdsSetNoPromote(), RPMTAG_CONFLICTNAME, RPMTAG_DIRNAMES, RPMTAG_FILELINKTOS, RPMTAG_REQUIRENAME, rpmtsColor(), and rpmtsDFlags(). Referenced by checkDependentConflicts(), and checkDependentPackages().

static void freeBadDeps (  void   )  [static]

Definition at line 1655 of file depends.c. References _free(), badDeps_s::pname, and badDeps_s::qname. Referenced by rpmtsOrder().

static const char* identifyDepend (  int_32  f  )  [inline, static]

Definition at line 1766 of file depends.c. Referenced by zapRelation().

static int ignoreDep (  const rpmts  ts, const rpmte  p, const rpmte  q )  [static]

Check for dependency relations to be ignored. Parameters: ts  transaction set p  successor element (i.e. with Requires: ) q  predecessor element (i.e. with Provides: ) Returns: 1 if dependency is to be ignored. Definition at line 1678 of file depends.c. References _, _free(), badDeps_s::pname, badDeps_s::qname, RPMDEPS_FLAG_ANACONDA, RPMDEPS_FLAG_DEPLOOPS, rpmExpand(), RPMMESS_DEBUG, RPMMESS_WARNING, rpmMessage, rpmteN(), rpmtsDFlags(), xcalloc(), and xstrdup(). Referenced by addRelation().

static int intcmp (  const void *  a, const void *  b )  [static]

Compare removed package instances (qsort/bsearch). Parameters: a  1st instance address b  2nd instance address Returns: result of comparison Definition at line 73 of file depends.c. Referenced by removePackage().

static void markLoop (  tsortInfo  tsi, rpmte  q )  [static]

Recursively mark all nodes with their predecessors. Parameters: tsi  successor chain q  predecessor Definition at line 1740 of file depends.c. References rpmteTSI(). Referenced by rpmtsOrder().

static int orderListIndexCmp (  const void *  one, const void *  two )  [static]

Compare ordered list entries by index (qsort/bsearch). Parameters: one  1st ordered list entry two  2nd ordered list entry Returns: result of comparison Definition at line 1986 of file depends.c. Referenced by rpmtsOrder().

static int removePackage (  rpmts  ts, Header  h, int  dboffset, int *  indexp, alKey  depends )  [static]

Add removed package instance to ordered transaction set. Parameters: ts  transaction set h  header dboffset  rpm database instance Return values: *indexp  removed element index (if not NULL) Parameters: depends  installed package of pair (or RPMAL_NOMATCH on erase) Returns: 0 on success Definition at line 91 of file depends.c. References intcmp(), rpmteNew(), TR_REMOVED, and xrealloc(). Referenced by rpmtsAddEraseElement(), rpmtsAddObsoletes(), and rpmtsAddUpgrades().

static int rpmHeadersIdentical (  Header  first, Header  second )  [static]

Are two headers identical? Parameters: first  first header second  second header Returns: 1 if headers are identical, 0 otherwise Definition at line 156 of file depends.c. References headerGetEntry(), rpmdsCompare(), rpmdsFree(), rpmdsThis(), RPMSENSE_EQUAL, RPMTAG_HDRID, and RPMTAG_REQUIRENAME. Referenced by rpmtsAddUpgrades().

static int rpmtsAddObsoletes (  rpmts  ts, rpmte  p, uint32_t  hcolor )  [static]

Add Obsoletes: erasures to a transaction set. Parameters: ts  transaction set p  transaction element hcolor  header color Returns: 0 on success Definition at line 386 of file depends.c. References _free(), _obsolete_tag, _rpmds_nopromote, D_, hGetColor(), removePackage(), rpmdbFreeIterator(), rpmdbGetIteratorOffset(), rpmdbNextIterator(), rpmdbPruneIterator(), rpmdsAnyMatchesDep(), rpmdsColor(), rpmdsDNEVR(), rpmdsEVR(), rpmdsFree(), rpmdsInit(), rpmdsLink, rpmdsN(), rpmdsNext(), rpmExpand(), rpmlog(), RPMLOG_DEBUG, RPMTAG_BASENAMES, RPMTAG_NAME, RPMTAG_OBSOLETENAME, RPMTAG_PROVIDENAME, rpmteAddedKey(), rpmteChain(), rpmteDS(), rpmteN(), rpmteNEVRA(), rpmtsColor(), and rpmtsInitIterator(). Referenced by rpmtsAddInstallElement().

static int rpmtsAddUpgrades (  rpmts  ts, rpmte  p, uint32_t  hcolor, Header  h )  [static]

Add upgrade erasures to a transaction set. Parameters: ts  transaction set p  transaction element hcolor  header color h  header Returns: 0 on success Definition at line 201 of file depends.c. References _free(), _upgrade_tag, alloca(), D_, hGetColor(), removePackage(), rpmdbFreeIterator(), rpmdbGetIteratorOffset(), rpmdbNextIterator(), rpmExpand(), rpmHeadersIdentical(), rpmlog(), RPMLOG_DEBUG, RPMTAG_NAME, RPMTAG_ORIGINTID, RPMTAG_ORIGINTIME, RPMTAG_PROVIDENAME, rpmteAddedKey(), rpmteChain(), rpmteN(), rpmteNEVRA(), rpmtsColor(), and rpmtsInitIterator(). Referenced by rpmtsAddInstallElement().

static int unsatisfiedDepend (  rpmts  ts, rpmds  dep, int  adding )  [static]

Check dep for an unsatisfied dependency. Parameters: ts  transaction set dep  dependency adding  dependency is from added package set? Returns: 0 if satisfied, 1 if not satisfied, 2 if error Definition at line 741 of file depends.c. References _, _cacheDependsRC, _free(), _rpmds_nopromote, alloca(), dbiOpen(), errno, Fclose(), Ferror(), Fopen(), Fread(), gidToGname(), gnameToGid(), PGPHASHALGO_MD5, R_OK, rpmalMakeIndex(), rpmalSatisfiesDepend(), rpmdbFreeIterator(), RPMDBI_DEPENDS, rpmdbNextIterator(), rpmdbPruneIterator(), RPMDEPS_FLAG_NOSUGGEST, RPMDIGEST_NONE, rpmDigestFinal(), rpmDigestInit(), rpmDigestUpdate(), rpmdsAnyMatchesDep(), rpmdsCpuinfo(), rpmdsDNEVR(), rpmdsELF(), rpmdsEVR(), rpmdsFlags(), rpmdsFree(), rpmdsFreePRCO(), rpmdsFromPRCO(), rpmdsGetconf(), rpmdsMergePRCO(), rpmdsN(), rpmdsNegateRC(), rpmdsNewPRCO(), rpmdsNotify(), rpmdsNSType(), rpmdsRpmlib(), rpmdsSearch(), rpmdsSingle(), rpmdsTagN(), rpmdsUname(), rpmExpand(), rpmExpandNumeric(), rpmGetPath(), rpmioAccess(), RPMNS_TYPE_ACCESS, RPMNS_TYPE_CPUINFO, RPMNS_TYPE_DIGEST, RPMNS_TYPE_DISKSPACE, RPMNS_TYPE_ENVVAR, RPMNS_TYPE_FUNCTION, RPMNS_TYPE_GETCONF, RPMNS_TYPE_GNUPG, RPMNS_TYPE_GROUP, RPMNS_TYPE_MACRO, RPMNS_TYPE_MOUNTED, RPMNS_TYPE_RPMLIB, RPMNS_TYPE_RUNNING, RPMNS_TYPE_SONAME, RPMNS_TYPE_UNAME, RPMNS_TYPE_USER, RPMSENSE_EQUAL, RPMSENSE_GREATER, RPMSENSE_LESS, RPMSENSE_NOTEQUAL, RPMSENSE_SENSEMASK, RPMTAG_BASENAMES, RPMTAG_DIRNAMES, RPMTAG_PROVIDENAME, rpmtsDFlags(), rpmtsGetRdb(), rpmtsInitDSI(), rpmtsInitIterator(), uidToUname(), unameToUid(), X_OK, and xisdigit(). Referenced by checkPackageDeps().

static const char* zapRelation (  rpmte  q, rpmte  p, int  zap, int *  nzaps, int  msglvl )  [static]

Find (and eliminate co-requisites) "q <- p" relation in dependency loop. Search all successors of q for instance of p. Format the specific relation, (e.g. p contains "Requires: q"). Unlink and free co-requisite (i.e. pure Requires: dependencies) successor node(s). Parameters: q  sucessor (i.e. package required by p) p  predecessor (i.e. package that "Requires: q") zap  max. no. of co-requisites to remove (-1 is all)? Return values: nzaps  address of no. of relations removed Parameters: msglvl  message level at which to spew Returns: (possibly NULL) formatted "q <- p" releation (malloc'ed) Definition at line 1802 of file depends.c. References _, _free(), identifyDepend(), rpmdsFlags(), rpmdsNewDNEVR(), rpmdsSetIx(), rpmMessage, rpmteDS(), rpmteNEVRA(), rpmteTSI(), rpmteType(), and TR_REMOVED. Referenced by rpmtsOrder().

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Variable Documentation

uint32_t _autobits = 0xffffffff [static]

Definition at line 2061 of file depends.c.

int _cacheDependsRC = 1

Definition at line 55 of file depends.c. Referenced by rpmtsCheck(), and unsatisfiedDepend().

rpmTag _obsolete_tag [static]

Definition at line 191 of file depends.c. Referenced by rpmtsAddObsoletes().

rpmTag _upgrade_tag [static]

Definition at line 185 of file depends.c. Referenced by rpmtsAddUpgrades().

struct badDeps_s* badDeps = NULL [static]

Definition at line 1649 of file depends.c.

int badDepsInitialized = 0 [static]

Definition at line 1646 of file depends.c.

const char* rpmEVR = VERSION

Definition at line 62 of file depends.c. Referenced by printVersion().

int rpmFLAGS = RPMSENSE_EQUAL

Definition at line 65 of file depends.c.

const char* rpmNAME = PACKAGE

Definition at line 59 of file depends.c.

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