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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     { NULL,                             NULL, 0,        NULL }
00052 };
00053 
00054 void rpmShowRpmlibProvides(FILE * fp)
00055 {
00056     const struct rpmlibProvides_s * rlp;
00057 
00058     for (rlp = rpmlibProvides; rlp->featureName != NULL; rlp++) {
00059 /*@-nullpass@*/ /* FIX: rlp->featureEVR not NULL */
00060         rpmds pro = rpmdsSingle(RPMTAG_PROVIDENAME, rlp->featureName,
00061                         rlp->featureEVR, rlp->featureFlags);
00062 /*@=nullpass@*/
00063         const char * DNEVR = rpmdsDNEVR(pro);
00064 
00065         if (pro != NULL && DNEVR != NULL) {
00066             fprintf(fp, "    %s\n", DNEVR+2);
00067             if (rlp->featureDescription)
00068                 fprintf(fp, "\t%s\n", rlp->featureDescription);
00069         }
00070         pro = rpmdsFree(pro);
00071     }
00072 }
00073 
00074 int rpmCheckRpmlibProvides(const rpmds key)
00075 {
00076     const struct rpmlibProvides_s * rlp;
00077     int rc = 0;
00078 
00079     for (rlp = rpmlibProvides; rlp->featureName != NULL; rlp++) {
00080         if (rlp->featureEVR && rlp->featureFlags) {
00081             rpmds pro;
00082             pro = rpmdsSingle(RPMTAG_PROVIDENAME, rlp->featureName,
00083                         rlp->featureEVR, rlp->featureFlags);
00084             rc = rpmdsCompare(pro, key);
00085             pro = rpmdsFree(pro);
00086         }
00087         if (rc)
00088             break;
00089     }
00090     return rc;
00091 }
00092 
00093 int rpmGetRpmlibProvides(const char *** provNames, int ** provFlags,
00094                          const char *** provVersions)
00095 {
00096     const char ** names, ** versions;
00097     int * flags;
00098     int n = 0;
00099     
00100 /*@-boundswrite@*/
00101     while (rpmlibProvides[n].featureName != NULL)
00102         n++;
00103 /*@=boundswrite@*/
00104 
00105     names = xcalloc((n+1), sizeof(*names));
00106     versions = xcalloc((n+1), sizeof(*versions));
00107     flags = xcalloc((n+1), sizeof(*flags));
00108     
00109 /*@-boundswrite@*/
00110     for (n = 0; rpmlibProvides[n].featureName != NULL; n++) {
00111         names[n] = rpmlibProvides[n].featureName;
00112         flags[n] = rpmlibProvides[n].featureFlags;
00113         versions[n] = rpmlibProvides[n].featureEVR;
00114     }
00115     
00116     /*@-branchstate@*/
00117     if (provNames)
00118         *provNames = names;
00119     else
00120         names = _free(names);
00121     /*@=branchstate@*/
00122 
00123     /*@-branchstate@*/
00124     if (provFlags)
00125         *provFlags = flags;
00126     else
00127         flags = _free(flags);
00128     /*@=branchstate@*/
00129 
00130     /*@-branchstate@*/
00131     if (provVersions)
00132         *provVersions = versions;
00133     else
00134         versions = _free(versions);
00135     /*@=branchstate@*/
00136 /*@=boundswrite@*/
00137 
00138     /*@-compmempass@*/ /* FIX: rpmlibProvides[] reachable */
00139     return n;
00140     /*@=compmempass@*/
00141 }

Generated on Tue Sep 17 15:59:51 2002 for rpm by doxygen1.2.14 written by Dimitri van Heesch, © 1997-2002