rpm/lib/rpmds.h

395 lines
10 KiB
C

#ifndef H_RPMDS
#define H_RPMDS
/** \ingroup rpmdep rpmtrans
* \file lib/rpmds.h
* Structure(s) used for dependency tag sets.
*/
#include "rpmps.h"
/**
*/
/*@-exportlocal@*/
/*@unchecked@*/
extern int _rpmds_debug;
/*@=exportlocal@*/
/**
*/
/*@-exportlocal@*/
/*@unchecked@*/
extern int _rpmds_nopromote;
/*@=exportlocal@*/
#if defined(_RPMDS_INTERNAL)
/**
* A package dependency set.
*/
struct rpmds_s {
/*@observer@*/
const char * Type; /*!< Tag name. */
/*@only@*/ /*@null@*/
const char * DNEVR; /*!< Formatted dependency string. */
/*@refcounted@*/ /*@null@*/
Header h; /*!< Header for dependency set (or NULL) */
/*@only@*/
const char ** N; /*!< Name. */
/*@only@*/ /*@null@*/
const char ** EVR; /*!< Epoch-Version-Release. */
/*@only@*/ /*@null@*/
int_32 * Flags; /*!< Bit(s) identifying context/comparison. */
/*@only@*/ /*@null@*/
uint_32 * Color; /*!< Bit(s) calculated from file color(s). */
/*@only@*/ /*@null@*/
int_32 * Refs; /*!< No. of file refs. */
int_32 BT; /*!< Package build time tie breaker. */
rpmTag tagN; /*!< Header tag. */
rpmTagType Nt, EVRt, Ft; /*!< Tag data types. */
int_32 Count; /*!< No. of elements */
int i; /*!< Element index. */
unsigned l; /*!< Low element (bsearch). */
unsigned u; /*!< High element (bsearch). */
int nopromote; /*!< Don't promote Epoch: in rpmdsCompare()? */
/*@refs@*/
int nrefs; /*!< Reference count. */
};
#endif /* _RPMDS_INTERNAL */
#ifdef __cplusplus
extern "C" {
#endif
/**
* Unreference a dependency set instance.
* @param ds dependency set
* @param msg
* @return NULL always
*/
/*@unused@*/ /*@null@*/
rpmds rpmdsUnlink (/*@killref@*/ /*@only@*/ /*@null@*/ rpmds ds,
/*@null@*/ const char * msg)
/*@modifies ds @*/;
/** @todo Remove debugging entry from the ABI. */
/*@-exportlocal@*/
/*@null@*/
rpmds XrpmdsUnlink (/*@killref@*/ /*@only@*/ /*@null@*/ rpmds ds,
/*@null@*/ const char * msg, const char * fn, unsigned ln)
/*@modifies ds @*/;
/*@=exportlocal@*/
#define rpmdsUnlink(_ds, _msg) XrpmdsUnlink(_ds, _msg, __FILE__, __LINE__)
/**
* Reference a dependency set instance.
* @param ds dependency set
* @param msg
* @return new dependency set reference
*/
/*@unused@*/ /*@newref@*/ /*@null@*/
rpmds rpmdsLink (/*@null@*/ rpmds ds, /*@null@*/ const char * msg)
/*@modifies ds @*/;
/** @todo Remove debugging entry from the ABI. */
/*@newref@*/ /*@null@*/
rpmds XrpmdsLink (/*@null@*/ rpmds ds, /*@null@*/ const char * msg,
const char * fn, unsigned ln)
/*@modifies ds @*/;
#define rpmdsLink(_ds, _msg) XrpmdsLink(_ds, _msg, __FILE__, __LINE__)
/**
* Destroy a dependency set.
* @param ds dependency set
* @return NULL always
*/
/*@null@*/
rpmds rpmdsFree(/*@killref@*/ /*@only@*/ /*@null@*/ rpmds ds)
/*@modifies ds@*/;
/**
* Create and load a dependency set.
* @deprecated Only scareMem = 0 will be permitted.
* @param h header
* @param tagN type of dependency
* @param flags scareMem(0x1), nofilter(0x2)
* @return new dependency set
*/
/*@null@*/
rpmds rpmdsNew(Header h, rpmTag tagN, int flags)
/*@globals rpmGlobalMacroContext, h_errno, fileSystem, internalState @*/
/*@modifies h, rpmGlobalMacroContext, fileSystem, internalState @*/;
/**
* Return new formatted dependency string.
* @param dspfx formatted dependency string prefix
* @param ds dependency set
* @return new formatted dependency (malloc'ed)
*/
/*@only@*/
char * rpmdsNewDNEVR(const char * dspfx, const rpmds ds)
/*@*/;
/**
* Create, load and initialize a dependency for this header.
* @param h header
* @param tagN type of dependency
* @param Flags comparison flags
* @return new dependency set
*/
/*@null@*/
rpmds rpmdsThis(Header h, rpmTag tagN, int_32 Flags)
/*@*/;
/**
* Create, load and initialize a dependency set of size 1.
* @param tagN type of dependency
* @param N name
* @param EVR epoch:version-release
* @param Flags comparison flags
* @return new dependency set
*/
/*@null@*/
rpmds rpmdsSingle(rpmTag tagN, const char * N, const char * EVR, int_32 Flags)
/*@*/;
/**
* Return dependency set count.
* @param ds dependency set
* @return current count
*/
int rpmdsCount(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Return dependency set index.
* @param ds dependency set
* @return current index
*/
int rpmdsIx(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Set dependency set index.
* @param ds dependency set
* @param ix new index
* @return current index
*/
int rpmdsSetIx(/*@null@*/ rpmds ds, int ix)
/*@modifies ds @*/;
/**
* Return current formatted dependency string.
* @param ds dependency set
* @return current dependency DNEVR, NULL on invalid
*/
/*@observer@*/ /*@null@*/
extern const char * rpmdsDNEVR(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Return current dependency name.
* @param ds dependency set
* @return current dependency name, NULL on invalid
*/
/*@observer@*/ /*@null@*/
extern const char * rpmdsN(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Return current dependency epoch-version-release.
* @param ds dependency set
* @return current dependency EVR, NULL on invalid
*/
/*@observer@*/ /*@null@*/
extern const char * rpmdsEVR(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Return current dependency flags.
* @param ds dependency set
* @return current dependency flags, 0 on invalid
*/
int_32 rpmdsFlags(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Return current dependency type.
* @param ds dependency set
* @return current dependency type, 0 on invalid
*/
rpmTag rpmdsTagN(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Return dependency build time.
* @param ds dependency set
* @return dependency build time, 0 on invalid
*/
time_t rpmdsBT(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Set dependency build time.
* @param ds dependency set
* @param BT build time
* @return dependency build time, 0 on invalid
*/
time_t rpmdsSetBT(/*@null@*/ const rpmds ds, time_t BT)
/*@modifies 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.
*
* @param ds dependency set
* @return current "Don't promote Epoch:" flag
*/
int rpmdsNoPromote(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Set "Don't promote Epoch:" flag.
* @param ds dependency set
* @param nopromote Should an unspecified Epoch: be treated as Epoch: 0?
* @return previous "Don't promote Epoch:" flag
*/
int rpmdsSetNoPromote(/*@null@*/ rpmds ds, int nopromote)
/*@modifies ds @*/;
/**
* Return current dependency color.
* @param ds dependency set
* @return current dependency color
*/
uint_32 rpmdsColor(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Return current dependency color.
* @param ds dependency set
* @param color new dependency color
* @return previous dependency color
*/
uint_32 rpmdsSetColor(/*@null@*/ const rpmds ds, uint_32 color)
/*@modifies ds @*/;
/**
* Return current dependency file refs.
* @param ds dependency set
* @return current dependency file refs, -1 on global
*/
int_32 rpmdsRefs(/*@null@*/ const rpmds ds)
/*@*/;
/**
* Return current dependency color.
* @param ds dependency set
* @param refs new dependency refs
* @return previous dependency refs
*/
int_32 rpmdsSetRefs(/*@null@*/ const rpmds ds, int_32 refs)
/*@modifies ds @*/;
/**
* Notify of results of dependency match.
* @param ds dependency set
* @param where where dependency was resolved (or NULL)
* @param rc 0 == YES, otherwise NO
*/
/*@-globuse@*/ /* FIX: rpmMessage annotation is a lie */
void rpmdsNotify(/*@null@*/ rpmds ds, /*@null@*/ const char * where, int rc)
/*@globals fileSystem @*/
/*@modifies fileSystem @*/;
/*@=globuse@*/
/**
* Return next dependency set iterator index.
* @param ds dependency set
* @return dependency set iterator index, -1 on termination
*/
int rpmdsNext(/*@null@*/ rpmds ds)
/*@modifies ds @*/;
/**
* Initialize dependency set iterator.
* @param ds dependency set
* @return dependency set
*/
/*@null@*/
rpmds rpmdsInit(/*@null@*/ rpmds ds)
/*@modifies ds @*/;
/**
* Find a dependency set element using binary search.
* @param ds dependency set to search
* @param ods dependency set element to find.
* @return dependency index (or -1 if not found)
*/
/*@null@*/
int rpmdsFind(rpmds ds, /*@null@*/ const rpmds ods)
/*@modifies ds @*/;
/**
* Merge a dependency set maintaining (N,EVR,Flags) sorted order.
* @retval *dsp (merged) dependency set
* @param ods dependency set to merge
* @return (merged) dependency index
*/
/*@null@*/
int rpmdsMerge(/*@out@*/ rpmds * dsp, /*@null@*/ rpmds ods)
/*@modifies *dsp, ods @*/;
/**
* Compare two versioned dependency ranges, looking for overlap.
* @param A 1st dependency
* @param B 2nd dependency
* @return 1 if dependencies overlap, 0 otherwise
*/
int rpmdsCompare(const rpmds A, const rpmds B)
/*@*/;
/**
* Report a Requires: or Conflicts: dependency problem.
* @param ps transaction set problems
* @param pkgNEVR package name/epoch/version/release
* @param ds dependency set
* @param suggestedKeys filename or python object address
* @param adding dependency problem is from added package set?
*/
void rpmdsProblem(/*@null@*/ rpmps ps, const char * pkgNEVR, const rpmds ds,
/*@only@*/ /*@null@*/ const fnpyKey * suggestedKeys,
int adding)
/*@modifies ps @*/;
/**
* Compare package provides dependencies from header with a single dependency.
* @param h header
* @param req dependency set
* @param nopromote Don't promote Epoch: in comparison?
* @return 1 if any dependency overlaps, 0 otherwise
*/
int rpmdsAnyMatchesDep (const Header h, const rpmds req, int nopromote)
/*@globals rpmGlobalMacroContext, h_errno, fileSystem, internalState @*/
/*@modifies h, rpmGlobalMacroContext, fileSystem, internalState @*/;
/**
* Compare package name-version-release from header with a single dependency.
* @param h header
* @param req dependency set
* @param nopromote Don't promote Epoch: in comparison?
* @return 1 if dependency overlaps, 0 otherwise
*/
int rpmdsNVRMatchesDep(const Header h, const rpmds req, int nopromote)
/*@*/;
#ifdef __cplusplus
}
#endif
#endif /* H_RPMDS */