rpm/lib/rpmlibprov.c

145 lines
4.0 KiB
C

/** \ingroup rpmdep
* \file lib/rpmlibprov.c
*/
#include "system.h"
#include <rpmlib.h>
#include "rpmds.h"
#include "debug.h"
/**
*/
struct rpmlibProvides_s {
/*@observer@*/ /*@null@*/
const char * featureName;
/*@observer@*/ /*@null@*/
const char * featureEVR;
int featureFlags;
/*@observer@*/ /*@null@*/
const char * featureDescription;
};
/*@observer@*/ /*@unchecked@*/
static struct rpmlibProvides_s rpmlibProvides[] = {
{ "rpmlib(VersionedDependencies)", "3.0.3-1",
(RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
N_("PreReq:, Provides:, and Obsoletes: dependencies support versions.") },
{ "rpmlib(CompressedFileNames)", "3.0.4-1",
(RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
N_("file name(s) stored as (dirName,baseName,dirIndex) tuple, not as path.")},
{ "rpmlib(PayloadIsBzip2)", "3.0.5-1",
(RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
N_("package payload is compressed using bzip2.") },
{ "rpmlib(PayloadFilesHavePrefix)", "4.0-1",
(RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
N_("package payload file(s) have \"./\" prefix.") },
{ "rpmlib(ExplicitPackageProvide)", "4.0-1",
(RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
N_("package name-version-release is not implicitly provided.") },
{ "rpmlib(HeaderLoadSortsTags)", "4.0.1-1",
( RPMSENSE_EQUAL),
N_("header tags are always sorted after being loaded.") },
{ "rpmlib(ScriptletInterpreterArgs)", "4.0.3-1",
( RPMSENSE_EQUAL),
N_("the scriptlet interpreter can use arguments from header.") },
{ "rpmlib(PartialHardlinkSets)", "4.0.4-1",
( RPMSENSE_EQUAL),
N_("a hardlink file set may be installed without being complete.") },
{ "rpmlib(ConcurrentAccess)", "4.1-1",
( RPMSENSE_EQUAL),
N_("package scriptlets may access the rpm database while installing.") },
{ NULL, NULL, 0, NULL }
};
void rpmShowRpmlibProvides(FILE * fp)
{
const struct rpmlibProvides_s * rlp;
for (rlp = rpmlibProvides; rlp->featureName != NULL; rlp++) {
/*@-nullpass@*/ /* FIX: rlp->featureEVR not NULL */
rpmds pro = rpmdsSingle(RPMTAG_PROVIDENAME, rlp->featureName,
rlp->featureEVR, rlp->featureFlags);
/*@=nullpass@*/
const char * DNEVR = rpmdsDNEVR(pro);
if (pro != NULL && DNEVR != NULL) {
fprintf(fp, " %s\n", DNEVR+2);
if (rlp->featureDescription)
fprintf(fp, "\t%s\n", rlp->featureDescription);
}
pro = rpmdsFree(pro);
}
}
int rpmCheckRpmlibProvides(const rpmds key)
{
const struct rpmlibProvides_s * rlp;
int rc = 0;
for (rlp = rpmlibProvides; rlp->featureName != NULL; rlp++) {
if (rlp->featureEVR && rlp->featureFlags) {
rpmds pro;
pro = rpmdsSingle(RPMTAG_PROVIDENAME, rlp->featureName,
rlp->featureEVR, rlp->featureFlags);
rc = rpmdsCompare(pro, key);
pro = rpmdsFree(pro);
}
if (rc)
break;
}
return rc;
}
int rpmGetRpmlibProvides(const char *** provNames, int ** provFlags,
const char *** provVersions)
{
const char ** names, ** versions;
int * flags;
int n = 0;
/*@-boundswrite@*/
while (rpmlibProvides[n].featureName != NULL)
n++;
/*@=boundswrite@*/
names = xcalloc((n+1), sizeof(*names));
versions = xcalloc((n+1), sizeof(*versions));
flags = xcalloc((n+1), sizeof(*flags));
/*@-boundswrite@*/
for (n = 0; rpmlibProvides[n].featureName != NULL; n++) {
names[n] = rpmlibProvides[n].featureName;
flags[n] = rpmlibProvides[n].featureFlags;
versions[n] = rpmlibProvides[n].featureEVR;
}
/*@-branchstate@*/
if (provNames)
*provNames = names;
else
names = _free(names);
/*@=branchstate@*/
/*@-branchstate@*/
if (provFlags)
*provFlags = flags;
else
flags = _free(flags);
/*@=branchstate@*/
/*@-branchstate@*/
if (provVersions)
*provVersions = versions;
else
versions = _free(versions);
/*@=branchstate@*/
/*@=boundswrite@*/
/*@-compmempass@*/ /* FIX: rpmlibProvides[] reachable */
return n;
/*@=compmempass@*/
}