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lib/rpmlibprov.c

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00001 
00005 #include "system.h"
00006 
00007 #include <rpmlib.h>
00008 
00009 #include "rpmds.h"
00010 
00011 #include "debug.h"
00012 
00015 struct rpmlibProvides_s {
00016 /*@observer@*/ /*@null@*/
00017     const char * featureName;
00018 /*@observer@*/ /*@null@*/
00019     const char * featureEVR;
00020     int featureFlags;
00021 /*@observer@*/ /*@null@*/
00022     const char * featureDescription;
00023 };
00024 
00025 /*@observer@*/ /*@unchecked@*/
00026 static struct rpmlibProvides_s rpmlibProvides[] = {
00027     { "rpmlib(VersionedDependencies)",  "3.0.3-1",
00028         (RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
00029     N_("PreReq:, Provides:, and Obsoletes: dependencies support versions.") },
00030     { "rpmlib(CompressedFileNames)",    "3.0.4-1",
00031         (RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
00032     N_("file name(s) stored as (dirName,baseName,dirIndex) tuple, not as path.")},
00033     { "rpmlib(PayloadIsBzip2)",         "3.0.5-1",
00034         (RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
00035     N_("package payload is compressed using bzip2.") },
00036     { "rpmlib(PayloadFilesHavePrefix)", "4.0-1",
00037         (RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
00038     N_("package payload file(s) have \"./\" prefix.") },
00039     { "rpmlib(ExplicitPackageProvide)", "4.0-1",
00040         (RPMSENSE_RPMLIB|RPMSENSE_EQUAL),
00041     N_("package name-version-release is not implicitly provided.") },
00042     { "rpmlib(HeaderLoadSortsTags)",    "4.0.1-1",
00043         (                RPMSENSE_EQUAL),
00044     N_("header tags are always sorted after being loaded.") },
00045     { "rpmlib(ScriptletInterpreterArgs)",    "4.0.3-1",
00046         (                RPMSENSE_EQUAL),
00047     N_("the scriptlet interpreter can use arguments from header.") },
00048     { "rpmlib(PartialHardlinkSets)",    "4.0.4-1",
00049         (                RPMSENSE_EQUAL),
00050     N_("a hardlink file set may be installed without being complete.") },
00051     { "rpmlib(ConcurrentAccess)",    "4.1-1",
00052         (                RPMSENSE_EQUAL),
00053     N_("package scriptlets may access the rpm database while installing.") },
00054     { NULL,                             NULL, 0,        NULL }
00055 };
00056 
00057 void rpmShowRpmlibProvides(FILE * fp)
00058 {
00059     const struct rpmlibProvides_s * rlp;
00060 
00061     for (rlp = rpmlibProvides; rlp->featureName != NULL; rlp++) {
00062 /*@-nullpass@*/ /* FIX: rlp->featureEVR not NULL */
00063         rpmds pro = rpmdsSingle(RPMTAG_PROVIDENAME, rlp->featureName,
00064                         rlp->featureEVR, rlp->featureFlags);
00065 /*@=nullpass@*/
00066         const char * DNEVR = rpmdsDNEVR(pro);
00067 
00068         if (pro != NULL && DNEVR != NULL) {
00069             fprintf(fp, "    %s\n", DNEVR+2);
00070             if (rlp->featureDescription)
00071                 fprintf(fp, "\t%s\n", rlp->featureDescription);
00072         }
00073         pro = rpmdsFree(pro);
00074     }
00075 }
00076 
00077 int rpmCheckRpmlibProvides(const rpmds key)
00078 {
00079     const struct rpmlibProvides_s * rlp;
00080     int rc = 0;
00081 
00082     for (rlp = rpmlibProvides; rlp->featureName != NULL; rlp++) {
00083         if (rlp->featureEVR && rlp->featureFlags) {
00084             rpmds pro;
00085             pro = rpmdsSingle(RPMTAG_PROVIDENAME, rlp->featureName,
00086                         rlp->featureEVR, rlp->featureFlags);
00087             rc = rpmdsCompare(pro, key);
00088             pro = rpmdsFree(pro);
00089         }
00090         if (rc)
00091             break;
00092     }
00093     return rc;
00094 }
00095 
00096 int rpmGetRpmlibProvides(const char *** provNames, int ** provFlags,
00097                          const char *** provVersions)
00098 {
00099     const char ** names, ** versions;
00100     int * flags;
00101     int n = 0;
00102     
00103 /*@-boundswrite@*/
00104     while (rpmlibProvides[n].featureName != NULL)
00105         n++;
00106 /*@=boundswrite@*/
00107 
00108     names = xcalloc((n+1), sizeof(*names));
00109     versions = xcalloc((n+1), sizeof(*versions));
00110     flags = xcalloc((n+1), sizeof(*flags));
00111     
00112 /*@-boundswrite@*/
00113     for (n = 0; rpmlibProvides[n].featureName != NULL; n++) {
00114         names[n] = rpmlibProvides[n].featureName;
00115         flags[n] = rpmlibProvides[n].featureFlags;
00116         versions[n] = rpmlibProvides[n].featureEVR;
00117     }
00118     
00119     /*@-branchstate@*/
00120     if (provNames)
00121         *provNames = names;
00122     else
00123         names = _free(names);
00124     /*@=branchstate@*/
00125 
00126     /*@-branchstate@*/
00127     if (provFlags)
00128         *provFlags = flags;
00129     else
00130         flags = _free(flags);
00131     /*@=branchstate@*/
00132 
00133     /*@-branchstate@*/
00134     if (provVersions)
00135         *provVersions = versions;
00136     else
00137         versions = _free(versions);
00138     /*@=branchstate@*/
00139 /*@=boundswrite@*/
00140 
00141     /*@-compmempass@*/ /* FIX: rpmlibProvides[] reachable */
00142     return n;
00143     /*@=compmempass@*/
00144 }

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