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build/reqprov.c

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00001 
00006 #include "system.h"
00007 
00008 #include "rpmbuild.h"
00009 #include "debug.h"
00010 
00011 int addReqProv(/*@unused@*/ Spec spec, Header h,
00012                rpmsenseFlags depFlags, const char *depName, const char *depEVR,
00013                 int index)
00014 {
00015     HGE_t hge = (HGE_t)headerGetEntryMinMemory;
00016     HFD_t hfd = headerFreeData;
00017     const char ** names;
00018     rpmTagType dnt;
00019     rpmTag nametag = 0;
00020     rpmTag versiontag = 0;
00021     rpmTag flagtag = 0;
00022     rpmTag indextag = 0;
00023     int len;
00024     rpmsenseFlags extra = RPMSENSE_ANY;
00025     int xx;
00026     
00027     if (depFlags & RPMSENSE_PROVIDES) {
00028         nametag = RPMTAG_PROVIDENAME;
00029         versiontag = RPMTAG_PROVIDEVERSION;
00030         flagtag = RPMTAG_PROVIDEFLAGS;
00031         extra = depFlags & RPMSENSE_FIND_PROVIDES;
00032     } else if (depFlags & RPMSENSE_OBSOLETES) {
00033         nametag = RPMTAG_OBSOLETENAME;
00034         versiontag = RPMTAG_OBSOLETEVERSION;
00035         flagtag = RPMTAG_OBSOLETEFLAGS;
00036     } else if (depFlags & RPMSENSE_CONFLICTS) {
00037         nametag = RPMTAG_CONFLICTNAME;
00038         versiontag = RPMTAG_CONFLICTVERSION;
00039         flagtag = RPMTAG_CONFLICTFLAGS;
00040     } else if (depFlags & RPMSENSE_PREREQ) {
00041         nametag = RPMTAG_REQUIRENAME;
00042         versiontag = RPMTAG_REQUIREVERSION;
00043         flagtag = RPMTAG_REQUIREFLAGS;
00044         extra = depFlags & _ALL_REQUIRES_MASK;
00045     } else if (depFlags & RPMSENSE_TRIGGER) {
00046         nametag = RPMTAG_TRIGGERNAME;
00047         versiontag = RPMTAG_TRIGGERVERSION;
00048         flagtag = RPMTAG_TRIGGERFLAGS;
00049         indextag = RPMTAG_TRIGGERINDEX;
00050         extra = depFlags & RPMSENSE_TRIGGER;
00051     } else {
00052         nametag = RPMTAG_REQUIRENAME;
00053         versiontag = RPMTAG_REQUIREVERSION;
00054         flagtag = RPMTAG_REQUIREFLAGS;
00055         extra = depFlags & _ALL_REQUIRES_MASK;
00056     }
00057 
00058     depFlags = (depFlags & (RPMSENSE_SENSEMASK | RPMSENSE_MULTILIB)) | extra;
00059 
00060     /*@-branchstate@*/
00061     if (depEVR == NULL)
00062         depEVR = "";
00063     /*@=branchstate@*/
00064     
00065     /* Check for duplicate dependencies. */
00066     if (hge(h, nametag, &dnt, (void **) &names, &len)) {
00067         const char ** versions = NULL;
00068         rpmTagType dvt = RPM_STRING_ARRAY_TYPE;
00069         int *flags = NULL;
00070         int *indexes = NULL;
00071         int duplicate = 0;
00072 
00073         if (flagtag) {
00074             xx = hge(h, versiontag, &dvt, (void **) &versions, NULL);
00075             xx = hge(h, flagtag, NULL, (void **) &flags, NULL);
00076         }
00077         if (indextag)
00078             xx = hge(h, indextag, NULL, (void **) &indexes, NULL);
00079 
00080         while (len > 0) {
00081             len--;
00082             if (strcmp(names[len], depName))
00083                 continue;
00084             if (flagtag && versions != NULL &&
00085                 (strcmp(versions[len], depEVR) ||
00086         ((flags[len] | RPMSENSE_MULTILIB) != (depFlags | RPMSENSE_MULTILIB))))
00087                 continue;
00088             if (indextag && indexes != NULL && indexes[len] != index)
00089                 continue;
00090 
00091             /* This is a duplicate dependency. */
00092             duplicate = 1;
00093 
00094             if (flagtag && isDependsMULTILIB(depFlags) &&
00095                 !isDependsMULTILIB(flags[len]))
00096                     flags[len] |= RPMSENSE_MULTILIB;
00097 
00098             break;
00099         }
00100         names = hfd(names, dnt);
00101         versions = hfd(versions, dvt);
00102         if (duplicate)
00103             return 0;
00104     }
00105 
00106     /* Add this dependency. */
00107     xx = headerAddOrAppendEntry(h, nametag, RPM_STRING_ARRAY_TYPE, &depName, 1);
00108     if (flagtag) {
00109         xx = headerAddOrAppendEntry(h, versiontag,
00110                                RPM_STRING_ARRAY_TYPE, &depEVR, 1);
00111         xx = headerAddOrAppendEntry(h, flagtag,
00112                                RPM_INT32_TYPE, &depFlags, 1);
00113     }
00114     if (indextag)
00115         xx = headerAddOrAppendEntry(h, indextag, RPM_INT32_TYPE, &index, 1);
00116 
00117     return 0;
00118 }
00119 
00120 int rpmlibNeedsFeature(Header h, const char * feature, const char * featureEVR)
00121 {
00122     char * reqname = alloca(sizeof("rpmlib()") + strlen(feature));
00123 
00124     (void) stpcpy( stpcpy( stpcpy(reqname, "rpmlib("), feature), ")");
00125 
00126     /* XXX 1st arg is unused */
00127    return addReqProv(NULL, h, RPMSENSE_RPMLIB|(RPMSENSE_LESS|RPMSENSE_EQUAL),
00128         reqname, featureEVR, 0);
00129 }

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