rpm/build/reqprov.c

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/** \ingroup rpmbuild
* \file build/reqprov.c
* Add dependency tags to package header(s).
*/
#include "system.h"
#include "rpmbuild.h"
#include "debug.h"
int addReqProv(/*@unused@*/ Spec spec, Header h, /*@unused@*/ rpmTag tagN,
const char * N, const char * EVR, rpmsenseFlags Flags,
int index)
{
HGE_t hge = (HGE_t)headerGetEntryMinMemory;
HFD_t hfd = headerFreeData;
const char ** names;
rpmTagType dnt;
rpmTag nametag = 0;
rpmTag versiontag = 0;
rpmTag flagtag = 0;
rpmTag indextag = 0;
int len;
rpmsenseFlags extra = RPMSENSE_ANY;
int xx;
if (Flags & RPMSENSE_PROVIDES) {
nametag = RPMTAG_PROVIDENAME;
versiontag = RPMTAG_PROVIDEVERSION;
flagtag = RPMTAG_PROVIDEFLAGS;
extra = Flags & RPMSENSE_FIND_PROVIDES;
} else if (Flags & RPMSENSE_OBSOLETES) {
nametag = RPMTAG_OBSOLETENAME;
versiontag = RPMTAG_OBSOLETEVERSION;
flagtag = RPMTAG_OBSOLETEFLAGS;
} else if (Flags & RPMSENSE_CONFLICTS) {
nametag = RPMTAG_CONFLICTNAME;
versiontag = RPMTAG_CONFLICTVERSION;
flagtag = RPMTAG_CONFLICTFLAGS;
} else if (Flags & RPMSENSE_PREREQ) {
nametag = RPMTAG_REQUIRENAME;
versiontag = RPMTAG_REQUIREVERSION;
flagtag = RPMTAG_REQUIREFLAGS;
extra = Flags & _ALL_REQUIRES_MASK;
} else if (Flags & RPMSENSE_TRIGGER) {
nametag = RPMTAG_TRIGGERNAME;
versiontag = RPMTAG_TRIGGERVERSION;
flagtag = RPMTAG_TRIGGERFLAGS;
indextag = RPMTAG_TRIGGERINDEX;
extra = Flags & RPMSENSE_TRIGGER;
} else {
nametag = RPMTAG_REQUIRENAME;
versiontag = RPMTAG_REQUIREVERSION;
flagtag = RPMTAG_REQUIREFLAGS;
extra = Flags & _ALL_REQUIRES_MASK;
}
Flags = (Flags & RPMSENSE_SENSEMASK) | extra;
/*@-branchstate@*/
if (EVR == NULL)
EVR = "";
/*@=branchstate@*/
/* Check for duplicate dependencies. */
if (hge(h, nametag, &dnt, (void **) &names, &len)) {
const char ** versions = NULL;
rpmTagType dvt = RPM_STRING_ARRAY_TYPE;
int *flags = NULL;
int *indexes = NULL;
int duplicate = 0;
if (flagtag) {
xx = hge(h, versiontag, &dvt, (void **) &versions, NULL);
xx = hge(h, flagtag, NULL, (void **) &flags, NULL);
}
if (indextag)
xx = hge(h, indextag, NULL, (void **) &indexes, NULL);
/*@-boundsread@*/
while (len > 0) {
len--;
if (strcmp(names[len], N))
continue;
if (flagtag && versions != NULL &&
(strcmp(versions[len], EVR) || flags[len] != Flags))
continue;
if (indextag && indexes != NULL && indexes[len] != index)
continue;
/* This is a duplicate dependency. */
duplicate = 1;
break;
}
/*@=boundsread@*/
names = hfd(names, dnt);
versions = hfd(versions, dvt);
if (duplicate)
return 0;
}
/* Add this dependency. */
xx = headerAddOrAppendEntry(h, nametag, RPM_STRING_ARRAY_TYPE, &N, 1);
if (flagtag) {
xx = headerAddOrAppendEntry(h, versiontag,
RPM_STRING_ARRAY_TYPE, &EVR, 1);
xx = headerAddOrAppendEntry(h, flagtag,
RPM_INT32_TYPE, &Flags, 1);
}
if (indextag)
xx = headerAddOrAppendEntry(h, indextag, RPM_INT32_TYPE, &index, 1);
return 0;
}
/*@-boundswrite@*/
int rpmlibNeedsFeature(Header h, const char * feature, const char * featureEVR)
{
char * reqname = alloca(sizeof("rpmlib()") + strlen(feature));
(void) stpcpy( stpcpy( stpcpy(reqname, "rpmlib("), feature), ")");
/* XXX 1st arg is unused */
return addReqProv(NULL, h, RPMTAG_REQUIRENAME, reqname, featureEVR,
RPMSENSE_RPMLIB|(RPMSENSE_LESS|RPMSENSE_EQUAL), 0);
}
/*@=boundswrite@*/