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lib/rpmrollback.c

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00001 
00005 #include "system.h"
00006 
00007 #include <rpmcli.h>
00008 
00009 #include "rpmdb.h"
00010 #include "rpmds.h"
00011 
00012 #define _RPMTE_INTERNAL         /* XXX findErases needs rpmte internals. */
00013 #include "rpmte.h"              /* XXX: rpmteChain */
00014 #define _RPMTS_INTERNAL         /* ts->goal, ts->dbmode, ts->suggests */
00015 #include "rpmts.h"
00016 
00017 #include "manifest.h"
00018 #include "misc.h"               /* XXX rpmGlob() */
00019 #include "rpmgi.h"              /* XXX rpmgiEscapeSpaces */
00020 #include "debug.h"
00021 
00022 /*@access rpmts @*/     /* XXX ts->goal, ts->dbmode */
00023 /*@access rpmte @*/     /* XXX p->hdrid, p->pkgid, p->NEVRA */
00024 /*@access IDTX @*/
00025 /*@access IDT @*/
00026 
00027 /*@unchecked@*/
00028 static int reverse = -1;
00029 
00032 static int IDTintcmp(const void * a, const void * b)
00033         /*@*/
00034 {
00035     /*@-castexpose@*/
00036     return ( reverse * (((IDT)a)->val.u32 - ((IDT)b)->val.u32) );
00037     /*@=castexpose@*/
00038 }
00039 
00040 IDTX IDTXfree(IDTX idtx)
00041 {
00042     if (idtx) {
00043         int i;
00044         if (idtx->idt)
00045         for (i = 0; i < idtx->nidt; i++) {
00046             IDT idt = idtx->idt + i;
00047             idt->h = headerFree(idt->h);
00048             idt->key = _free(idt->key);
00049         }
00050         idtx->idt = _free(idtx->idt);
00051         idtx = _free(idtx);
00052     }
00053     return NULL;
00054 }
00055 
00056 IDTX IDTXnew(void)
00057 {
00058     IDTX idtx = xcalloc(1, sizeof(*idtx));
00059     idtx->delta = 10;
00060     idtx->size = sizeof(*((IDT)0));
00061     return idtx;
00062 }
00063 
00064 IDTX IDTXgrow(IDTX idtx, int need)
00065 {
00066     if (need < 0) return NULL;
00067     if (idtx == NULL)
00068         idtx = IDTXnew();
00069     if (need == 0) return idtx;
00070 
00071     if ((idtx->nidt + need) > idtx->alloced) {
00072         while (need > 0) {
00073             idtx->alloced += idtx->delta;
00074             need -= idtx->delta;
00075         }
00076         idtx->idt = xrealloc(idtx->idt, (idtx->alloced * idtx->size) );
00077     }
00078     return idtx;
00079 }
00080 
00081 IDTX IDTXsort(IDTX idtx)
00082 {
00083     if (idtx != NULL && idtx->idt != NULL && idtx->nidt > 0)
00084         qsort(idtx->idt, idtx->nidt, idtx->size, IDTintcmp);
00085     return idtx;
00086 }
00087 
00088 IDTX IDTXload(rpmts ts, rpmTag tag, uint_32 rbtid)
00089 {
00090     IDTX idtx = NULL;
00091     rpmdbMatchIterator mi;
00092     HGE_t hge = (HGE_t) headerGetEntry;
00093     Header h;
00094 
00095     /*@-branchstate@*/
00096     mi = rpmtsInitIterator(ts, tag, NULL, 0);
00097 #ifdef  NOTYET
00098     (void) rpmdbSetIteratorRE(mi, RPMTAG_NAME, RPMMIRE_DEFAULT, '!gpg-pubkey');
00099 #endif
00100     while ((h = rpmdbNextIterator(mi)) != NULL) {
00101         rpmTagType type = RPM_NULL_TYPE;
00102         int_32 count = 0;
00103         int_32 * tidp;
00104 
00105         tidp = NULL;
00106         if (!hge(h, tag, &type, (void **)&tidp, &count) || tidp == NULL)
00107             continue;
00108 
00109         if (type == RPM_INT32_TYPE && (*tidp == 0 || *tidp == -1))
00110             continue;
00111 
00112         /* Don't bother with headers installed prior to the rollback goal. */
00113         if (*tidp < rbtid)
00114             continue;
00115 
00116         idtx = IDTXgrow(idtx, 1);
00117         if (idtx == NULL || idtx->idt == NULL)
00118             continue;
00119 
00120         {   IDT idt;
00121             /*@-nullderef@*/
00122             idt = idtx->idt + idtx->nidt;
00123             /*@=nullderef@*/
00124             idt->done = 0;
00125             idt->h = headerLink(h);
00126             idt->key = NULL;
00127             idt->instance = rpmdbGetIteratorOffset(mi);
00128             idt->val.u32 = *tidp;
00129         }
00130         idtx->nidt++;
00131     }
00132     mi = rpmdbFreeIterator(mi);
00133     /*@=branchstate@*/
00134 
00135     return IDTXsort(idtx);
00136 }
00137 
00138 IDTX IDTXglob(rpmts ts, const char * globstr, rpmTag tag, uint_32 rbtid)
00139 {
00140     HGE_t hge = (HGE_t) headerGetEntry;         /* XXX MinMem? <shrug> */
00141     IDTX idtx = NULL;
00142     Header h;
00143     int_32 * tidp;
00144     FD_t fd;
00145     const char ** av = NULL;
00146     const char * fn;
00147     int ac = 0;
00148     rpmRC rpmrc;
00149     int xx;
00150     int i;
00151 
00152     av = NULL;  ac = 0;
00153     fn = rpmgiEscapeSpaces(globstr);
00154     xx = rpmGlob(fn, &ac, &av);
00155     fn = _free(fn);
00156 
00157 /*@-branchstate@*/
00158     if (xx == 0)
00159     for (i = 0; i < ac; i++) {
00160         rpmTagType type;
00161         int_32 count;
00162         int isSource;
00163 
00164         fd = Fopen(av[i], "r");
00165         if (fd == NULL || Ferror(fd)) {
00166             rpmError(RPMERR_OPEN, _("open of %s failed: %s\n"), av[i],
00167                         Fstrerror(fd));
00168             if (fd != NULL) (void) Fclose(fd);
00169             continue;
00170         }
00171 
00172         rpmrc = rpmReadPackageFile(ts, fd, av[i], &h);
00173         (void) Fclose(fd);
00174         switch (rpmrc) {
00175         default:
00176             goto bottom;
00177             /*@notreached@*/ /*@switchbreak@*/ break;
00178         case RPMRC_NOTTRUSTED:
00179         case RPMRC_NOKEY:
00180         case RPMRC_OK:
00181             isSource = (headerIsEntry(h, RPMTAG_SOURCERPM) == 0);
00182             if (isSource)
00183                 goto bottom;
00184             /*@switchbreak@*/ break;
00185         }
00186 
00187 { const char * origin = headerGetOrigin(h);
00188 assert(origin != NULL);
00189 assert(!strcmp(av[i], origin));
00190 }
00191         tidp = NULL;
00192         if (!hge(h, tag, &type, (void **) &tidp, &count) || tidp == NULL)
00193             goto bottom;
00194 
00195         /* Don't bother with headers installed prior to the rollback goal. */
00196         if (*tidp < rbtid)
00197             goto bottom;
00198 
00199         idtx = IDTXgrow(idtx, 1);
00200         if (idtx == NULL || idtx->idt == NULL)
00201             goto bottom;
00202 
00203         {   IDT idt;
00204             idt = idtx->idt + idtx->nidt;
00205             idt->done = 0;
00206             idt->h = headerLink(h);
00207             idt->key = av[i];
00208             av[i] = NULL;
00209             idt->instance = 0;
00210             idt->val.u32 = *tidp;
00211         }
00212         idtx->nidt++;
00213 bottom:
00214         h = headerFree(h);
00215     }
00216 /*@=branchstate@*/
00217 
00218     for (i = 0; i < ac; i++)
00219         av[i] = _free(av[i]);
00220     av = _free(av);     ac = 0;
00221 
00222     return IDTXsort(idtx);
00223 }
00224 
00234 static int cmpArgvStr(rpmts ts, const char *lname, const char ** AV, int AC,
00235                 /*@null@*/ const char * B)
00236         /*@*/
00237 {
00238     const char * A;
00239     int i;
00240 
00241     if (AV != NULL && AC > 0 && B == NULL) {
00242       if (!strcmp(lname, "NEVRA")) {
00243         rpmps ps = rpmtsProblems(ts);
00244         for (i = 0; i < AC && (A = AV[i]) != NULL; i++) {
00245             rpmpsAppend(ps, RPMPROB_NOREPACKAGE,
00246                         NULL, NULL,     /* NEVRA, key */
00247                         lname, NULL,    /* dn, bn */
00248                         A,              /* altNEVRA */
00249                         0);
00250         }
00251         ps = rpmpsFree(ps);
00252       }
00253         return 0;
00254     }
00255 
00256     if (AV != NULL && B != NULL)
00257     for (i = 0; i < AC && (A = AV[i]) != NULL; i++) {
00258         if (*A && *B && !strcmp(A, B))
00259             return 1;
00260     }
00261     return 0;
00262 }
00263 
00279 static int findErases(rpmts ts, /*@null@*/ rpmte p, unsigned thistid,
00280                 /*@null@*/ IDT ip, int niids)
00281         /*@globals rpmGlobalMacroContext, h_errno, fileSystem, internalState @*/
00282         /*@modifies ts, p, ip, rpmGlobalMacroContext, fileSystem, internalState @*/
00283 {
00284     int rc = 0;
00285     int xx;
00286 
00287     /* Erase the previously installed packages for this transaction. 
00288      * Provided this transaction is not excluded from the rollback.
00289      */
00290     while (ip != NULL && ip->val.u32 == thistid) {
00291 
00292         if (ip->done)
00293             goto bottom;
00294 
00295         {
00296             HGE_t hge = (HGE_t)headerGetEntryMinMemory;
00297             const char ** flinkPkgid = NULL;
00298             const char ** flinkHdrid = NULL;
00299             const char ** flinkNEVRA = NULL;
00300             rpmTagType pt, ht, nt;
00301             int_32 pn, hn, nn;
00302             int bingo;
00303 
00304             xx = hge(ip->h, RPMTAG_BLINKPKGID, &pt, (void **)&flinkPkgid, &pn);
00305 
00306             /* XXX Always erase packages at beginning of upgrade chain. */
00307             if (pn == 1 && flinkPkgid[0] != NULL && !strcmp(flinkPkgid[0], RPMTE_CHAIN_END)) {
00308                 flinkPkgid = headerFreeData(flinkPkgid, pt);
00309                 goto erase;
00310             }
00311 
00312             xx = hge(ip->h, RPMTAG_BLINKHDRID, &ht, (void **)&flinkHdrid, &hn);
00313             xx = hge(ip->h, RPMTAG_BLINKNEVRA, &nt, (void **)&flinkNEVRA, &nn);
00314 
00315             /*
00316              * Link data may be missing and can have multiple entries.
00317              */
00318             /* XXX Until link tags are reliably populated, check in the order
00319              *  NEVRA -> hdrid -> pkgid
00320              * because NEVRA is easier to debug (hdrid/pkgid are more precise.)
00321             */
00322             bingo = 0;
00323             if (!bingo)
00324                 bingo = cmpArgvStr(ts, "NEVRA", flinkNEVRA, nn, (p ? p->NEVRA : NULL));
00325             if (!bingo)
00326                 bingo = cmpArgvStr(ts, "Hdrid", flinkHdrid, hn, (p ? p->hdrid : NULL));
00327             if (!bingo)
00328                 bingo = cmpArgvStr(ts, "Pkgid", flinkPkgid, pn, (p ? p->pkgid : NULL));
00329             flinkPkgid = headerFreeData(flinkPkgid, pt);
00330             flinkHdrid = headerFreeData(flinkHdrid, ht);
00331             flinkNEVRA = headerFreeData(flinkNEVRA, nt);
00332 
00333             if (bingo < 0) {
00334                 rc = -1;
00335                 goto exit;
00336             }
00337 
00338             if (!bingo)
00339                 goto bottom;
00340         }
00341 
00342 erase:
00343         rpmMessage(RPMMESS_DEBUG, "\t--- erase h#%u\n", ip->instance);
00344 
00345         rc = rpmtsAddEraseElement(ts, ip->h, ip->instance);
00346         if (rc != 0)
00347             goto exit;
00348 
00349         /* Cross link the transaction elements to mimic --upgrade. */
00350         if (p != NULL) {
00351             rpmte q = ts->teErase;
00352             xx = rpmteChain(p, q, ip->h, "Rollback");
00353         }
00354 
00355 #ifdef  NOTYET
00356         ip->instance = 0;
00357 #endif
00358         ip->done = 1;
00359 
00360 bottom:
00361 
00362         /* Go to the next header in the rpmdb */
00363         niids--;
00364         if (niids > 0)
00365             ip++;
00366         else
00367             ip = NULL;
00368     }
00369 
00370 exit:
00371     return rc;
00372 }
00373 
00374 static int rpmrbProblems(rpmts ts, /*@null@*/ const char * msg, int rc)
00375 {
00376     rpmps ps = rpmtsProblems(ts);
00377 
00378     if (rc != 0 && rpmpsNumProblems(ps) > 0) {
00379         if (msg)
00380             rpmMessage(RPMMESS_ERROR, "%s:\n", msg);
00381         rpmpsPrint(NULL, ps);
00382     }
00383     ps = rpmpsFree(ps);
00384     return rc;
00385 }
00386 
00387 int rpmrbCheck(rpmts ts)
00388 {
00389     return rpmrbProblems(ts, N_("Failed dependencies"), rpmtsCheck(ts));
00390 }
00391 
00392 int rpmrbOrder(rpmts ts)
00393 {
00394     return rpmrbProblems(ts, N_("Ordering problems"), rpmtsOrder(ts));
00395 }
00396 
00397 int rpmrbRun(rpmts ts, rpmps okProbs, rpmprobFilterFlags ignoreSet)
00398 {
00399     return rpmrbProblems(ts, N_("Rollback problems"),
00400                         rpmtsRun(ts, okProbs, ignoreSet));
00401 }
00402 
00404 int rpmRollback(rpmts ts, QVA_t ia, const char ** argv)
00405 {
00406     int ifmask= (INSTALL_UPGRADE|INSTALL_FRESHEN|INSTALL_INSTALL|INSTALL_ERASE);
00407     unsigned thistid = 0xffffffff;
00408     unsigned prevtid;
00409     time_t tid;
00410     IDTX itids = NULL;
00411     IDTX rtids = NULL;
00412     IDT rp;
00413     int nrids = 0;
00414     IDT ip;
00415     int niids = 0;
00416     int rc = 0;
00417     int vsflags, ovsflags;
00418     int numAdded;
00419     int numRemoved;
00420     int _unsafe_rollbacks = 0;
00421     rpmtransFlags transFlags = ia->transFlags;
00422     rpmdepFlags depFlags = ia->depFlags;
00423     int xx;
00424 
00425     if (argv != NULL && *argv != NULL) {
00426         rc = -1;
00427         goto exit;
00428     }
00429 
00430     _unsafe_rollbacks = rpmExpandNumeric("%{?_unsafe_rollbacks}");
00431 
00432     vsflags = rpmExpandNumeric("%{?_vsflags_erase}");
00433     if (ia->qva_flags & VERIFY_DIGEST)
00434         vsflags |= _RPMVSF_NODIGESTS;
00435     if (ia->qva_flags & VERIFY_SIGNATURE)
00436         vsflags |= _RPMVSF_NOSIGNATURES;
00437     if (ia->qva_flags & VERIFY_HDRCHK)
00438         vsflags |= RPMVSF_NOHDRCHK;
00439     vsflags |= RPMVSF_NEEDPAYLOAD;      /* XXX no legacy signatures */
00440     ovsflags = rpmtsSetVSFlags(ts, vsflags);
00441 
00442     (void) rpmtsSetFlags(ts, transFlags);
00443     (void) rpmtsSetDFlags(ts, depFlags);
00444 
00445     /*  Make the transaction a rollback transaction.  In a rollback
00446      *  a best effort is what we want 
00447      */
00448     rpmtsSetType(ts, RPMTRANS_TYPE_ROLLBACK);
00449 
00450     itids = IDTXload(ts, RPMTAG_INSTALLTID, ia->rbtid);
00451     if (itids != NULL) {
00452         ip = itids->idt;
00453         niids = itids->nidt;
00454     } else {
00455         ip = NULL;
00456         niids = 0;
00457     }
00458 
00459     {   const char * globstr = rpmExpand("%{_repackage_dir}/*/*.rpm", NULL);
00460         if (globstr == NULL || *globstr == '%') {
00461             globstr = _free(globstr);
00462             rc = -1;
00463             goto exit;
00464         }
00465         rtids = IDTXglob(ts, globstr, RPMTAG_REMOVETID, ia->rbtid);
00466 
00467         if (rtids != NULL) {
00468             rp = rtids->idt;
00469             nrids = rtids->nidt;
00470         } else {
00471             rp = NULL;
00472             nrids = 0;
00473         }
00474         globstr = _free(globstr);
00475     }
00476 
00477     {   int notifyFlags, xx;
00478         notifyFlags = ia->installInterfaceFlags | (rpmIsVerbose() ? INSTALL_LABEL : 0 );
00479         xx = rpmtsSetNotifyCallback(ts,
00480                         rpmShowProgress, (void *) ((long)notifyFlags));
00481     }
00482 
00483     /* Run transactions until rollback goal is achieved. */
00484     do {
00485         prevtid = thistid;
00486         rc = 0;
00487         rpmcliPackagesTotal = 0;
00488         numAdded = 0;
00489         numRemoved = 0;
00490         ia->installInterfaceFlags &= ~ifmask;
00491 
00492         /* Find larger of the remaining install/erase transaction id's. */
00493         thistid = 0;
00494         if (ip != NULL && ip->val.u32 > thistid)
00495             thistid = ip->val.u32;
00496         if (rp != NULL && rp->val.u32 > thistid)
00497             thistid = rp->val.u32;
00498 
00499         /* If we've achieved the rollback goal, then we're done. */
00500         if (thistid == 0 || thistid < ia->rbtid)
00501             break;
00502 
00503         /* If we've reached the (configured) rollback goal, then we're done. */
00504         if (_unsafe_rollbacks && thistid <= _unsafe_rollbacks)
00505             break;
00506 
00507         /* Is this transaction excluded from the rollback? */
00508         if (ia->rbtidExcludes != NULL && ia->numrbtidExcludes > 0)
00509         {
00510             uint_32 *excludedTID;
00511             int excluded = 0;
00512             for(excludedTID = ia->rbtidExcludes; 
00513                 excludedTID < ia->rbtidExcludes + ia->numrbtidExcludes;
00514                 excludedTID++) {
00515                 if (thistid == *excludedTID) {
00516                     time_t ttid = (time_t)thistid;
00517                     rpmMessage(RPMMESS_NORMAL,
00518                         _("Excluding TID from rollback: %-24.24s (0x%08x)\n"),
00519                                 ctime(&ttid), thistid);
00520                     excluded = 1;
00521                     /*@innerbreak@*/ break;     
00522                 }
00523             }   
00524             if (excluded) {
00525                 /* Iterate over repackaged packages */
00526                 while (rp != NULL && rp->val.u32 == thistid) {
00527                     /* Go to the next repackaged package */
00528                     nrids--;
00529                     if (nrids > 0)
00530                         rp++;
00531                     else
00532                         rp = NULL;
00533                 }
00534                 /* Iterate over installed packages */
00535                 while (ip != NULL && ip->val.u32 == thistid) {
00536                     /* Go to the next header in the rpmdb */
00537                     niids--;
00538                     if (niids > 0)
00539                         ip++;
00540                     else
00541                         ip = NULL;
00542                 }
00543                 continue;               /* with next transaction */
00544             }
00545         }
00546 
00547         rpmtsEmpty(ts);
00548         (void) rpmtsSetFlags(ts, transFlags);
00549         (void) rpmtsSetDFlags(ts, depFlags);
00550         ts->probs = rpmpsFree(ts->probs);
00551         ts->probs = rpmpsCreate();
00552 
00553         /* Install the previously erased packages for this transaction. 
00554          */
00555         while (rp != NULL && rp->val.u32 == thistid) {
00556             if (!rp->done) {
00557                 rpmMessage(RPMMESS_DEBUG, "\t+++ install %s\n",
00558                         (rp->key ? rp->key : "???"));
00559 
00560 /*@-abstract@*/
00561                 rc = rpmtsAddInstallElement(ts, rp->h, (fnpyKey)rp->key,
00562                                0, ia->relocations);
00563 /*@=abstract@*/
00564                 if (rc != 0)
00565                     goto exit;
00566 
00567                 numAdded++;
00568                 rpmcliPackagesTotal++;
00569                 if (!(ia->installInterfaceFlags & ifmask))
00570                     ia->installInterfaceFlags |= INSTALL_UPGRADE;
00571 
00572                 /* Re-add linked (i.e. from upgrade/obsoletes) erasures. */
00573                 rc = findErases(ts, ts->teInstall, thistid, ip, niids);
00574                 if (rc < 0)
00575                     goto exit;
00576 #ifdef  NOTYET
00577                 rp->h = headerFree(rp->h);
00578 #endif
00579                 rp->done = 1;
00580             }
00581 
00582             /* Go to the next repackaged package */
00583             nrids--;
00584             if (nrids > 0)
00585                 rp++;
00586             else
00587                 rp = NULL;
00588         }
00589 
00590         /* Re-add pure (i.e. not from upgrade/obsoletes) erasures. */
00591         rc = findErases(ts, NULL, thistid, ip, niids);
00592         if (rc < 0)
00593             goto exit;
00594 
00595         /* Check that all erasures have been re-added. */
00596         while (ip != NULL && ip->val.u32 == thistid) {
00597 #ifdef  NOTNOW
00598 /* XXX Prevent incomplete rollback transactions. */
00599 assert(ip->done || ia->no_rollback_links);
00600 #endif
00601             if (!(ip->done || ia->no_rollback_links)) {
00602                 numRemoved++;
00603 
00604                 if (_unsafe_rollbacks)
00605                     rpmcliPackagesTotal++;
00606 
00607                 if (!(ia->installInterfaceFlags & ifmask))
00608                     ia->installInterfaceFlags |= INSTALL_ERASE;
00609             }
00610 
00611             /* Go to the next header in the rpmdb */
00612             niids--;
00613             if (niids > 0)
00614                 ip++;
00615             else
00616                 ip = NULL;
00617         }
00618 
00619         /* Print any rollback transaction problems */
00620         (void) rpmrbProblems(ts, N_("Missing re-packaged package(s)"), 1);
00621 
00622         /* Anything to do? */
00623         if (rpmcliPackagesTotal <= 0)
00624             break;
00625 
00626         tid = (time_t)thistid;
00627         rpmMessage(RPMMESS_NORMAL,
00628                 _("Rollback packages (+%d/-%d) to %-24.24s (0x%08x):\n"),
00629                         numAdded, numRemoved, ctime(&tid), thistid);
00630 
00631         rc = (ia->rbCheck ? (*ia->rbCheck) (ts) : 0);
00632         if (rc != 0)
00633             goto exit;
00634 
00635         rc = (ia->rbOrder ? (*ia->rbOrder) (ts) : 0);
00636         if (rc != 0)
00637             goto exit;
00638 
00639         /* Drop added/available package indices and dependency sets. */
00640         rpmtsClean(ts);
00641 
00642         /* Print the transaction set. */
00643         xx = rpmtsPrint(ts, stdout);
00644 
00645         rc = (ia->rbRun
00646             ? (*ia->rbRun)(ts, NULL, (ia->probFilter|RPMPROB_FILTER_OLDPACKAGE))
00647             : 0);
00648         if (rc != 0)
00649             goto exit;
00650 
00651         /* Remove repackaged packages after successful reinstall. */
00652         if (rtids && !rpmIsDebug()) {
00653             int i;
00654             rpmMessage(RPMMESS_NORMAL, _("Cleaning up repackaged packages:\n"));
00655             if (rtids->idt)
00656             for (i = 0; i < rtids->nidt; i++) {
00657                 IDT rrp = rtids->idt + i;
00658                 if (rrp->val.u32 != thistid)
00659                     /*@innercontinue@*/ continue;
00660                 if (rrp->key) { /* XXX can't happen */
00661                     rpmMessage(RPMMESS_NORMAL, _("\tRemoving %s:\n"), rrp->key);
00662                     (void) unlink(rrp->key);    /* XXX: Should check rc??? */
00663                 }
00664             }
00665         }
00666 
00667         /* The rpmdb has changed, so reload installed package chains. */
00668         itids = IDTXfree(itids);
00669         itids = IDTXload(ts, RPMTAG_INSTALLTID, ia->rbtid);
00670         if (itids != NULL) {
00671             ip = itids->idt;
00672             niids = itids->nidt;
00673         } else {
00674             ip = NULL;
00675             niids = 0;
00676         }
00677 
00678         /* Re-position the iterator at the current install tid. */
00679         while (ip != NULL && ip->val.u32 == thistid) {
00680             /* Go to the next header in the rpmdb */
00681             niids--;
00682             if (niids > 0)
00683                 ip++;
00684             else
00685                 ip = NULL;
00686         }
00687 
00688     } while (1);
00689 
00690 exit:
00691     rtids = IDTXfree(rtids);
00692     itids = IDTXfree(itids);
00693 
00694     rpmtsEmpty(ts);
00695     (void) rpmtsSetFlags(ts, transFlags);
00696     (void) rpmtsSetDFlags(ts, depFlags);
00697 
00698     return rc;
00699 }

Generated on Mon Aug 3 15:25:01 2009 for rpm by  doxygen 1.4.4