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 can be 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     { "rpmlib(BuiltinLuaScripts)",    "4.2.2-1",
00055         (                RPMSENSE_EQUAL),
00056     N_("internal support for lua scripts.") },
00057     { "rpmlib(PayloadIsLzma)",          "4.4.6-1",
00058         (                RPMSENSE_EQUAL),
00059     N_("package payload can be compressed using lzma.") },
00060     { NULL,                             NULL, 0,        NULL }
00061 };
00062 
00063 void rpmShowRpmlibProvides(FILE * fp)
00064 {
00065     const struct rpmlibProvides_s * rlp;
00066 
00067     for (rlp = rpmlibProvides; rlp->featureName != NULL; rlp++) {
00068 /*@-nullpass@*/ /* FIX: rlp->featureEVR not NULL */
00069         rpmds pro = rpmdsSingle(RPMTAG_PROVIDENAME, rlp->featureName,
00070                         rlp->featureEVR, rlp->featureFlags);
00071 /*@=nullpass@*/
00072         const char * DNEVR = rpmdsDNEVR(pro);
00073 
00074         if (pro != NULL && DNEVR != NULL) {
00075             fprintf(fp, "    %s\n", DNEVR+2);
00076             if (rlp->featureDescription)
00077                 fprintf(fp, "\t%s\n", rlp->featureDescription);
00078         }
00079         pro = rpmdsFree(pro);
00080     }
00081 }
00082 
00083 int rpmCheckRpmlibProvides(const rpmds key)
00084 {
00085     const struct rpmlibProvides_s * rlp;
00086     int rc = 0;
00087 
00088     for (rlp = rpmlibProvides; rlp->featureName != NULL; rlp++) {
00089         if (rlp->featureEVR && rlp->featureFlags) {
00090             rpmds pro;
00091             pro = rpmdsSingle(RPMTAG_PROVIDENAME, rlp->featureName,
00092                         rlp->featureEVR, rlp->featureFlags);
00093             rc = rpmdsCompare(pro, key);
00094             pro = rpmdsFree(pro);
00095         }
00096         if (rc)
00097             break;
00098     }
00099     return rc;
00100 }
00101 
00102 int rpmGetRpmlibProvides(const char *** provNames, int ** provFlags,
00103                          const char *** provVersions)
00104 {
00105     const char ** names, ** versions;
00106     int * flags;
00107     int n = 0;
00108     
00109 /*@-boundswrite@*/
00110     while (rpmlibProvides[n].featureName != NULL)
00111         n++;
00112 /*@=boundswrite@*/
00113 
00114     names = xcalloc((n+1), sizeof(*names));
00115     versions = xcalloc((n+1), sizeof(*versions));
00116     flags = xcalloc((n+1), sizeof(*flags));
00117     
00118 /*@-boundswrite@*/
00119     for (n = 0; rpmlibProvides[n].featureName != NULL; n++) {
00120         names[n] = rpmlibProvides[n].featureName;
00121         flags[n] = rpmlibProvides[n].featureFlags;
00122         versions[n] = rpmlibProvides[n].featureEVR;
00123     }
00124     
00125     /*@-branchstate@*/
00126     if (provNames)
00127         *provNames = names;
00128     else
00129         names = _free(names);
00130     /*@=branchstate@*/
00131 
00132     /*@-branchstate@*/
00133     if (provFlags)
00134         *provFlags = flags;
00135     else
00136         flags = _free(flags);
00137     /*@=branchstate@*/
00138 
00139     /*@-branchstate@*/
00140     if (provVersions)
00141         *provVersions = versions;
00142     else
00143         versions = _free(versions);
00144     /*@=branchstate@*/
00145 /*@=boundswrite@*/
00146 
00147     /*@-compmempass@*/ /* FIX: rpmlibProvides[] reachable */
00148     return n;
00149     /*@=compmempass@*/
00150 }

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