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# RPMTRANS.

## Files
file | depends.h
| Structures used for dependency checking.

file | psm.c
| Package state machine to handle a package from a transaction set.

file | psm.h
| Package state machine to handle a package from a transaction set.

file | rpmlib.h
file | rpmvercmp.c
file | transaction.c
file | fprint.h
| Identify a file name path by a unique "finger print".

## RPMTS
typedef psm_s * | PSM_t
typedef transactionFileInfo_s * | TFI_t
typedef rpmTransactionSet_s * | rpmTransactionSet
typedef enum rpmtransFlags_e | rpmtransFlags
enum | rpmtransFlags_e { RPMTRANS_FLAG_NONE = 0, RPMTRANS_FLAG_TEST = (1 << 0), RPMTRANS_FLAG_BUILD_PROBS = (1 << 1), RPMTRANS_FLAG_NOSCRIPTS = (1 << 2), RPMTRANS_FLAG_JUSTDB = (1 << 3), RPMTRANS_FLAG_NOTRIGGERS = (1 << 4), RPMTRANS_FLAG_NODOCS = (1 << 5), RPMTRANS_FLAG_ALLFILES = (1 << 6), RPMTRANS_FLAG_KEEPOBSOLETE = (1 << 7), RPMTRANS_FLAG_MULTILIB = (1 << 8), RPMTRANS_FLAG_DIRSTASH = (1 << 9), RPMTRANS_FLAG_REPACKAGE = (1 << 10), RPMTRANS_FLAG_PKGCOMMIT = (1 << 11), RPMTRANS_FLAG_PKGUNDO = (1 << 12), RPMTRANS_FLAG_COMMIT = (1 << 13), RPMTRANS_FLAG_UNDO = (1 << 14), RPMTRANS_FLAG_REVERSE = (1 << 15), RPMTRANS_FLAG_NOTRIGGERPREIN = (1 << 16), RPMTRANS_FLAG_NOPRE = (1 << 17), RPMTRANS_FLAG_NOPOST = (1 << 18), RPMTRANS_FLAG_NOTRIGGERIN = (1 << 19), RPMTRANS_FLAG_NOTRIGGERUN = (1 << 20), RPMTRANS_FLAG_NOPREUN = (1 << 21), RPMTRANS_FLAG_NOPOSTUN = (1 << 22), RPMTRANS_FLAG_NOTRIGGERPOSTUN = (1 << 23), RPMTRANS_FLAG_NOPAYLOAD = (1 << 24), RPMTRANS_FLAG_APPLYONLY = (1 << 25), RPMTRANS_FLAG_CHAINSAW = (1 << 26), RPMTRANS_FLAG_NOMD5 = (1 << 27) }
rpmTransactionSet | rpmtransCreateSet (rpmdb rpmdb, const char *rootDir)
int | rpmtransAddPackage (rpmTransactionSet ts, Header h, FD_t fd, const void *key, int upgrade, rpmRelocation *relocs)
void | rpmtransAvailablePackage (rpmTransactionSet ts, Header h, const void *key)
int | rpmtransRemovePackage (rpmTransactionSet ts, int dboffset)
rpmTransactionSet | rpmtransFree (rpmTransactionSet ts)
void | rpmtransSetScriptFd (rpmTransactionSet ts, FD_t fd)
int | rpmtransGetKeys (const rpmTransactionSet ts, const void ***ep, int *nep)
int | rpmdepCheck (rpmTransactionSet ts, rpmDependencyConflict *conflicts, int *numConflicts)
int | rpmdepOrder (rpmTransactionSet ts)
rpmDependencyConflict | rpmdepFreeConflicts (rpmDependencyConflict conflicts, int numConflicts)
int | rpmGetRpmlibProvides (const char ***provNames, int **provFlags, const char ***provVersions)
int | rpmvercmp (const char *a, const char *b)
int | rpmRangesOverlap (const char *AName, const char *AEVR, int AFlags, const char *BName, const char *BEVR, int BFlags)
int | rpmCheckRpmlibProvides (const char *keyName, const char *keyEVR, int keyFlags)
int | rpmRunTransactions (rpmTransactionSet ts, rpmCallbackFunction notify, rpmCallbackData notifyData, rpmProblemSet okProbs, rpmProblemSet *newProbs, rpmtransFlags transFlags, rpmprobFilterFlags ignoreSet)

## Typedef Documentation

typedef struct psm_s* PSM_t

| Package state machine data. Definition at line 1232 of file rpmlib.h.

typedef struct rpmTransactionSet_s* rpmTransactionSet

| The RPM Transaction Set. Transaction sets are inherently unordered! RPM may reorder transaction sets to reduce errors. In general, installs/upgrades are done before strict removals, and prerequisite ordering is done on installs/upgrades. Definition at line 1244 of file rpmlib.h.

typedef enum rpmtransFlags_e rpmtransFlags

| Bit(s) to control rpmRunTransactions() operation.

typedef struct transactionFileInfo_s* TFI_t

| Definition at line 1236 of file rpmlib.h.

## Enumeration Type Documentation

enum rpmtransFlags_e

  | Bit(s) to control rpmRunTransactions() operation. Enumeration values:
  RPMTRANS_FLAG_NONE |
  RPMTRANS_FLAG_TEST | from --test
  RPMTRANS_FLAG_BUILD_PROBS | Todo: Document.
  RPMTRANS_FLAG_NOSCRIPTS | from --noscripts
  RPMTRANS_FLAG_JUSTDB | from --justdb
  RPMTRANS_FLAG_NOTRIGGERS | from --notriggers
  RPMTRANS_FLAG_NODOCS | from --excludedocs
  RPMTRANS_FLAG_ALLFILES | from --allfiles
  RPMTRANS_FLAG_KEEPOBSOLETE | Todo: Document.
  RPMTRANS_FLAG_MULTILIB | Todo: Document.
  RPMTRANS_FLAG_DIRSTASH | from --dirstash
  RPMTRANS_FLAG_REPACKAGE | from --repackage
  RPMTRANS_FLAG_PKGCOMMIT |
  RPMTRANS_FLAG_PKGUNDO |
  RPMTRANS_FLAG_COMMIT |
  RPMTRANS_FLAG_UNDO |
  RPMTRANS_FLAG_REVERSE |
  RPMTRANS_FLAG_NOTRIGGERPREIN | from --notriggerprein
  RPMTRANS_FLAG_NOPRE | from --nopre
  RPMTRANS_FLAG_NOPOST | from --nopost
  RPMTRANS_FLAG_NOTRIGGERIN | from --notriggerin
  RPMTRANS_FLAG_NOTRIGGERUN | from --notriggerun
  RPMTRANS_FLAG_NOPREUN | from --nopreun
  RPMTRANS_FLAG_NOPOSTUN | from --nopostun
  RPMTRANS_FLAG_NOTRIGGERPOSTUN | from --notriggerpostun
  RPMTRANS_FLAG_NOPAYLOAD |
  RPMTRANS_FLAG_APPLYONLY |
  RPMTRANS_FLAG_CHAINSAW |
  RPMTRANS_FLAG_NOMD5 | from --nomd5
Definition at line 1381 of file rpmlib.h.

## Function Documentation

int rpmCheckRpmlibProvides | ( | const char * | keyName,
|  | const char * | keyEVR,
|  | int | keyFlags
| ) |

  | Check dependency against internal rpmlib feature provides. Parameters:
  | keyName | dependency name string
  | keyEVR | dependency [epoch:]version[-release] string
  | keyFlags | dependency logical range qualifiers
Returns: 1 if dependency overlaps, 0 otherwise Definition at line 57 of file rpmlibprov.c. References rpmlibProvides_s::featureEVR, rpmlibProvides_s::featureFlags, rpmlibProvides_s::featureName, rpmlibProvides, and rpmRangesOverlap(). Referenced by unsatisfiedDepend().

int rpmdepCheck | ( | rpmTransactionSet | ts,
|  | rpmDependencyConflict * | conflicts,
|  | int * | numConflicts
| ) |

  | Check that all dependencies can be resolved. Parameters:
  | ts | transaction set
  Return values:
  | conflicts | dependency problems
  | numConflicts | no. of dependency problems
Returns: 0 on success Definition at line 2256 of file depends.c. References _cacheDependsRC, _free(), rpmTransactionSet_s::addedPackages, problemsSet_s::alloced, alMakeIndex(), rpmTransactionSet_s::availablePackages, checkDependentConflicts(), checkDependentPackages(), checkPackageDeps(), availablePackage::h, headerNVR(), availableList_s::list, availablePackage::multiLib, availablePackage::name, problemsSet_s::num, rpmTransactionSet_s::numRemovedPackages, problemsSet_s::problems, availablePackage::provides, availablePackage::providesCount, availablePackage::release, rpmTransactionSet_s::removedPackages, rpmTransactionSet_s::rpmdb, rpmdbAppendIterator(), rpmdbCloseDBI(), rpmdbFreeIterator(), RPMDBI_DEPENDS, RPMDBI_PACKAGES, rpmdbInitIterator(), rpmdbNextIterator(), RPMMESS_DEBUG, rpmMessage, RPMTAG_BASENAMES, RPMTAG_DIRINDEXES, RPMTAG_DIRNAMES, RPMTAG_PROVIDENAME, availableList_s::size, stpcpy(), availablePackage::version, xcalloc(), and xrealloc(). Referenced by checkSpec(), rpmErase(), rpmInstall(), rpmRollback(), rpmtransDepCheck(), and verifyDependencies().

rpmDependencyConflict rpmdepFreeConflicts | ( | rpmDependencyConflict | conflicts,
|  | int | numConflicts
| ) |

  | Destroy dependency conflicts storage. Parameters:
  | conflicts | dependency problems
  | numConflicts | no. of dependency problems NULL always
Definition at line 936 of file depends.c. References _free(), rpmDependencyConflict_s::byHeader, rpmDependencyConflict_s::byName, rpmDependencyConflict_s::byRelease, rpmDependencyConflict_s::byVersion, headerFree(), rpmDependencyConflict_s::needsName, rpmDependencyConflict_s::needsVersion, and rpmDependencyConflict_s::suggestedPackages. Referenced by checkSpec(), rpmErase(), rpmInstall(), rpmRollback(), rpmtransDepCheck(), and verifyDependencies().

int rpmdepOrder | ( | rpmTransactionSet | ts | ) |

  | Determine package order in a transaction set according to dependencies. Order packages, returning error if circular dependencies cannot be eliminated by removing PreReq's from the loop(s). Only dependencies from added or removed packages are used to determine ordering using a topological sort (Knuth vol. 1, p. 262). Use rpmdepCheck() to verify that all dependencies can be resolved. The final order ends up as installed packages followed by removed packages, with packages removed for upgrades immediately following the new package to be installed. The operation would be easier if we could sort the addedPackages array in the transaction set, but we store indexes into the array in various places. Parameters:
  | ts | transaction set
Returns: 0 if packages are successfully ordered, 1 otherwise Definition at line 1914 of file depends.c. References _, _free(), transactionElement_s::addedIndex, rpmTransactionSet_s::addedPackages, addQ(), addRelation(), orderListIndex::alIndex, alloca(), alMakeIndex(), rpmTransactionSet_s::availablePackages, availablePackage::degree, transactionElement_s::dependsOnIndex, availablePackage::depth, isErasePreReq, isInstallPreReq, isLegacyPreReq, availableList_s::list, markLoop(), availablePackage::name, availablePackage::npreds, rpmTransactionSet_s::order, rpmTransactionSet_s::orderAlloced, rpmTransactionSet_s::orderCount, orderListIndexCmp(), orderListIndex::orIndex, availablePackage::parent, availablePackage::release, transactionElement_s::removed, availablePackage::requireFlags, availablePackage::requiresCount, RPMMESS_DEBUG, rpmMessage, RPMTRANS_FLAG_CHAINSAW, availableList_s::size, rpmTransactionSet_s::transFlags, availablePackage::tree, availablePackage::tsi, tsortInfo_s::tsi_next, tsortInfo_s::tsi_pkg, tsortInfo_s::tsi_qcnt, tsortInfo_s::tsi_reqx, transactionElement_s::type, transactionElement_s::u, availablePackage::version, xmalloc(), and zapRelation(). Referenced by rpmInstall(), rpmRollback(), and rpmtransOrder().

int rpmGetRpmlibProvides | ( | const char *** | provNames,
|  | int ** | provFlags,
|  | const char *** | provVersions
| ) |

  | Return copy of rpmlib internal provides. Return values:
  | address | of array of rpmlib internal provide names
  | address | of array of rpmlib internal provide flags
  | address | of array of rpmlib internal provide versions
Returns: no. of entries Definition at line 73 of file rpmlibprov.c. References _free(), rpmlibProvides_s::featureEVR, rpmlibProvides_s::featureFlags, rpmlibProvides_s::featureName, rpmlibProvides, and xcalloc().

int rpmRangesOverlap | ( | const char * | AName,
|  | const char * | AEVR,
|  | int | AFlags,
|  | const char * | BName,
|  | const char * | BEVR,
|  | int | BFlags
| ) |

  | Compare two versioned dependency ranges, looking for overlap. Parameters:
  | AName | 1st dependncy name string
  | AEVR | 1st dependency [epoch:]version[-release] string
  | AFlags | 1st dependency logical range qualifiers
  | BName | 2nd dependncy name string
  | BEVR | 2nd dependency [epoch:]version[-release] string
  | BFlags | 2nd dependency logical range qualifiers
Returns: 1 if dependencies overlap, 0 otherwise Definition at line 529 of file depends.c. References _, _free(), parseEVR(), printDepend(), RPMMESS_DEBUG, rpmMessage, RPMSENSE_EQUAL, RPMSENSE_GREATER, RPMSENSE_LESS, RPMSENSE_SENSEMASK, rpmvercmp(), and xstrdup(). Referenced by alAllSatisfiesDepend(), headerMatchesDepFlags(), rangeMatchesDepFlags(), and rpmCheckRpmlibProvides().

int rpmRunTransactions | ( | rpmTransactionSet | ts,
|  | rpmCallbackFunction | notify,
|  | rpmCallbackData | notifyData,
|  | rpmProblemSet | okProbs,
|  | rpmProblemSet * | newProbs,
|  | rpmtransFlags | transFlags,
|  | rpmprobFilterFlags | ignoreSet
| ) |

  | Process all packages in transaction set. Parameters:
  | ts | transaction set
  | notify | progress callback
  | notifyData | progress callback private data
  | okProbs | previously known problems (or NULL)
  Return values:
  | newProbs | address to return unfiltered problems (or NULL)
  Parameters:
  | transFlags | bits to control rpmRunTransactions()
  | ignoreSet | bits to filter problem types
Returns: 0 on success, -1 on error, >0 with newProbs set Definition at line 1516 of file transaction.c. References _free(), _noTransScripts, _noTransTriggers, transactionFileInfo_s::actions, transactionElement_s::addedIndex, rpmTransactionSet_s::addedPackages, adj_fs_blocks, transactionFileInfo_s::ap, archOkay(), diskspaceInfo::bavail, diskspaceInfo::bneeded, transactionFileInfo_s::bnl, diskspaceInfo::bsize, rpmTransactionSet_s::chrootDone, rpmTransactionSet_s::currDir, currentDirectory(), dbiFreeIndexSet(), dbiIndexRecordFileNumber(), dbiIndexRecordOffset(), dbiIndexSetCount(), transactionElement_s::dboffset, transactionElement_s::dependsOnIndex, diskspaceInfo::dev, rpmTransactionSet_s::di, transactionFileInfo_s::dil, transactionFileInfo_s::dnl, ensureOlder(), transactionFileInfo_s::fc, availablePackage::fd, availablePackage::filesCount, rpmTransactionSet_s::filesystemCount, rpmTransactionSet_s::filesystems, rpmTransactionSet_s::flEntries, rpmTransactionSet_s::flList, fpCacheCreate(), fpCacheFree(), fpEqual(), fpHashFunction(), fpLookupList(), transactionFileInfo_s::fps, freeFl(), availablePackage::h, transactionFileInfo_s::h, handleInstInstalledFiles(), handleOverlappedFiles(), handleRmvdInstalledFiles(), headerFree(), headerGetEntry(), headerLink(), htAddEntry(), htCreate(), htFree(), diskspaceInfo::iavail, rpmTransactionSet_s::id, rpmTransactionSet_s::ignoreSet, diskspaceInfo::ineeded, sharedFileInfo::isRemoved, availablePackage::key, availableList_s::list, loadFi(), transactionFileInfo_s::magic, availablePackage::multiLib, availablePackage::name, rpmTransactionSet_s::notify, NOTIFY, rpmTransactionSet_s::notifyData, rpmProblemSet_s::numProblems, rpmTransactionSet_s::numRemovedPackages, rpmTransactionSet_s::order, rpmTransactionSet_s::orderCount, osOkay(), sharedFileInfo::otherFileNum, sharedFileInfo::otherPkg, sharedFileInfo::pkgFileNum, rpmTransactionSet_s::probs, psAppend(), psCreate(), PSM_PKGERASE, PSM_PKGINSTALL, PSM_PKGSAVE, psmStage(), psTrim(), transactionFileInfo_s::record, availablePackage::release, relocateFileList(), transactionElement_s::removed, rpmTransactionSet_s::removedPackages, rpmTransactionSet_s::rootDir, RPMCALLBACK_INST_CLOSE_FILE, RPMCALLBACK_INST_OPEN_FILE, RPMCALLBACK_TRANS_PROGRESS, RPMCALLBACK_TRANS_START, RPMCALLBACK_TRANS_STOP, rpmTransactionSet_s::rpmdb, rpmdbAppendIterator(), rpmdbFindFpList(), rpmdbFreeIterator(), RPMDBI_PACKAGES, rpmdbInitIterator(), rpmdbNextIterator(), rpmdbSetIteratorRE(), rpmdbSync(), rpmGetFilesystemList(), RPMMIRE_DEFAULT, RPMPROB_BADARCH, RPMPROB_BADOS, RPMPROB_DISKNODES, RPMPROB_DISKSPACE, RPMPROB_FILTER_DISKSPACE, RPMPROB_FILTER_IGNOREARCH, RPMPROB_FILTER_IGNOREOS, RPMPROB_FILTER_OLDPACKAGE, RPMPROB_FILTER_REPLACENEWFILES, RPMPROB_FILTER_REPLACEOLDFILES, RPMPROB_FILTER_REPLACEPKG, RPMPROB_PKG_INSTALLED, RPMRC_BADSIZE, RPMRC_OK, rpmReadPackageHeader(), RPMTAG_BASENAMES, RPMTAG_NAME, RPMTAG_RELEASE, RPMTAG_VERSION, RPMTRANS_FLAG_BUILD_PROBS, RPMTRANS_FLAG_DIRSTASH, RPMTRANS_FLAG_JUSTDB, RPMTRANS_FLAG_MULTILIB, RPMTRANS_FLAG_NOSCRIPTS, RPMTRANS_FLAG_NOTRIGGERS, RPMTRANS_FLAG_REPACKAGE, sharedCmp(), availableList_s::size, skipFiles(), TFIMAGIC, rpmTransactionSet_s::transFlags, tsFreeIterator(), tsGetAlp(), tsGetOc(), tsInitIterator(), tsNextIterator(), transactionFileInfo_s::type, transactionElement_s::type, transactionElement_s::u, availablePackage::version, xcalloc(), XFA_SKIPPING, and xmalloc(). Referenced by rpmErase(), rpmInstall(), rpmRollback(), and rpmtransRun().

int rpmtransAddPackage | ( | rpmTransactionSet | ts,
|  | Header | h,
|  | FD_t | fd,
|  | const void * | key,
|  | int | upgrade,
|  | rpmRelocation * | relocs
| ) |

  | Add package to be installed to unordered transaction set. If fd is NULL, the callback specified in rpmtransCreateSet() is used to open and close the file descriptor. If Header is NULL, the fd is always used, otherwise fd is only needed (and only opened) for actual package installation. Parameters:
  | ts | transaction set
  | h | package header
  | fd | package file handle
  | key | package private data
  | upgrade | is package being upgraded?
  | relocs | package file relocations
Returns: 0 on success, 1 on I/O error, 2 needs capabilities Definition at line 797 of file depends.c. References transactionElement_s::addedIndex, rpmTransactionSet_s::addedPackages, alAddPackage(), rpmTransactionSet_s::delta, headerIsEntry(), headerMatchesDepFlags(), headerNVR(), availableList_s::list, availablePackage::multiLib, rpmTransactionSet_s::numRemovedPackages, rpmTransactionSet_s::order, rpmTransactionSet_s::orderAlloced, rpmTransactionSet_s::orderCount, rpmTransactionSet_s::removedPackages, removePackage(), rpmTransactionSet_s::rpmdb, rpmdbFreeIterator(), rpmdbGetIteratorOffset(), rpmdbInitIterator(), rpmdbNextIterator(), rpmdbPruneIterator(), RPMTAG_MULTILIBS, RPMTAG_NAME, RPMTAG_OBSOLETEFLAGS, RPMTAG_OBSOLETENAME, RPMTAG_OBSOLETEVERSION, RPMTAG_SOURCEPACKAGE, rpmVersionCompare(), transactionElement_s::type, transactionElement_s::u, and xrealloc(). Referenced by checkSpec(), rpmInstall(), rpmInstallSourcePackage(), rpmRollback(), rpmtransAdd(), and verifyDependencies().

void rpmtransAvailablePackage | ( | rpmTransactionSet | ts,
|  | Header | h,
|  | const void * | key
| ) |

  | Add package to universe of possible packages to install in transaction set. Parameters:
  | ts | transaction set
  | h | header
  | key | package private data
Definition at line 906 of file depends.c. References alAddPackage(), and rpmTransactionSet_s::availablePackages. Referenced by rpmtransAdd().

rpmTransactionSet rpmtransCreateSet | ( | rpmdb | rpmdb,
|  | const char * | rootDir
| ) |

  | Create an empty transaction set. Parameters:
  | rpmdb | rpm database (may be NULL if database is not accessed)
  | rootdir | path to top of install tree
Returns: transaction set Definition at line 692 of file depends.c. References rpmTransactionSet_s::addedPackages, alCreate(), alloca(), rpmTransactionSet_s::allocedRemovedPackages, rpmTransactionSet_s::availablePackages, rpmTransactionSet_s::chrootDone, rpmTransactionSet_s::currDir, availableList_s::delta, rpmTransactionSet_s::delta, rpmTransactionSet_s::di, rpmTransactionSet_s::filesystemCount, rpmTransactionSet_s::filesystems, rpmTransactionSet_s::id, rpmTransactionSet_s::numRemovedPackages, rpmTransactionSet_s::order, rpmTransactionSet_s::orderAlloced, rpmTransactionSet_s::orderCount, rpmTransactionSet_s::removedPackages, rpmTransactionSet_s::rootDir, rpmTransactionSet_s::rpmdb, rpmTransactionSet_s::scriptFd, stpcpy(), xcalloc(), and xstrdup(). Referenced by checkSpec(), cpio_doio(), rpmErase(), rpmInstall(), rpmInstallSourcePackage(), rpmRollback(), rpmtransCreate(), rpmVerifyScript(), and verifyDependencies().

rpmTransactionSet rpmtransFree | ( | rpmTransactionSet | ts | ) |

  | Destroy transaction set. Parameters:
  | ts | transaction set
Returns: NULL always Definition at line 917 of file depends.c. References _free(), rpmTransactionSet_s::addedPackages, alFree(), rpmTransactionSet_s::availablePackages, rpmTransactionSet_s::currDir, rpmTransactionSet_s::di, fdFree, rpmTransactionSet_s::order, rpmTransactionSet_s::removedPackages, rpmTransactionSet_s::rootDir, and rpmTransactionSet_s::scriptFd. Referenced by checkSpec(), cpio_doio(), rpmErase(), rpmInstall(), rpmInstallSourcePackage(), rpmRollback(), rpmtransDealloc(), rpmVerifyScript(), and verifyDependencies().

int rpmtransGetKeys | ( | const rpmTransactionSet | ts,
|  | const void *** | ep,
|  | int * | nep
| ) |

  | Retrieve keys from ordered transaction set. Todo: Removed packages have no keys, returned as interleaved NULL pointers. Parameters:
  | ts | transaction set
  Return values:
  | ep | address of returned element array pointer (or NULL)
  | nep | address of no. of returned elements (or NULL)
Returns: 0 always Definition at line 92 of file transaction.c. References transactionElement_s::addedIndex, rpmTransactionSet_s::addedPackages, availablePackage::key, availableList_s::list, rpmTransactionSet_s::order, rpmTransactionSet_s::orderCount, transactionElement_s::type, transactionElement_s::u, and xmalloc(). Referenced by py_rpmtransGetKeys().

int rpmtransRemovePackage | ( | rpmTransactionSet | ts,
|  | int | dboffset
| ) |

  | Add package to be removed to unordered transaction set. Parameters:
  | ts | transaction set
  | dboffset | rpm database instance
Returns: 0 on success Definition at line 912 of file depends.c. References removePackage(). Referenced by rpmErase(), rpmRollback(), and rpmtransRemove().

void rpmtransSetScriptFd | ( | rpmTransactionSet | ts,
|  | FD_t | fd
| ) |

  | Save file handle to be used as stderr when running package scripts. Parameters:
  | ts | transaction set
  | fd | file handle
Definition at line 87 of file transaction.c. References fdLink, and rpmTransactionSet_s::scriptFd. Referenced by rpmtransSetAttr().

int rpmvercmp | ( | const char * | a,
|  | const char * | b
| ) |

  | Segmented string compare for version and/or release. Parameters:
  | a | 1st string
  | b | 2nd string
Returns: +1 if a is "newer", 0 if equal, -1 if b is "newer" Definition at line 15 of file rpmvercmp.c. Referenced by labelCompare(), rpmRangesOverlap(), and rpmVersionCompare().