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# rpmdb/fprint.h

Go to the documentation of this file.

    00001 #ifndef H_FINGERPRINT
    00002 #define H_FINGERPRINT
    00003
    00009 #include "rpmhash.h"
    00010 #include "header.h"
    00011
    00014 typedef /*@abstract@*/ struct fprintCache_s * fingerPrintCache;
    00015
    00019 typedef struct fingerPrint_s fingerPrint;
    00020
    00027 struct fprintCacheEntry_s {
    00028     const char * dirName;
    00029     dev_t dev;
    00030     ino_t ino;
    00031     int isFake;
    00032 };
    00033
    00037 struct fprintCache_s {
    00038     hashTable ht;
    00039 };
    00040
    00045 struct fingerPrint_s {
    00047     const struct fprintCacheEntry_s * entry;
    00049 /*@owned@*/ /*@null@*/ const char * subDir;
    00050 /*@dependent@*/ const char * baseName;
    00051 };
    00052
    00053 /* only if !scarceMemory */
    00055 #define fpFree(a) free((void *)(a).baseName)
    00056
    00058 #define FP_ENTRY_EQUAL(a, b) (((a)->dev == (b)->dev) && ((a)->ino == (b)->ino))
    00059
    00061 #define FP_EQUAL(a, b) ( \
    00062         FP_ENTRY_EQUAL((a).entry, (b).entry) && \
    00063         !strcmp((a).baseName, (b).baseName) && ( \
    00064             ((a).subDir == (b).subDir) || \
    00065             ((a).subDir && (b).subDir && !strcmp((a).subDir, (b).subDir)) \
    00066         ) \
    00067     )
    00068
    00069 #ifdef __cplusplus
    00070 extern "C" {
    00071 #endif
    00072
    00081 int rpmdbFindFpList(/*@null@*/ rpmdb db, fingerPrint  * fpList,
    00082                 /*@out@*/ dbiIndexSet * matchList, int numItems)
    00083         /*@globals fileSystem@*/
    00084         /*@modifies db, *matchList, fileSystem @*/;
    00085
    00086 /* Be carefull with the memory... assert(*fullName == '/' || !scareMemory) */
    00087
    00093 /*@only@*/ fingerPrintCache fpCacheCreate(int sizeHint)
    00094         /*@*/;
    00095
    00100 void fpCacheFree(/*@only@*/ fingerPrintCache cache)
    00101         /*@modifies cache @*/;
    00102
    00111 fingerPrint fpLookup(fingerPrintCache cache, const char * dirName,
    00112                         const char * baseName, int scareMemory)
    00113         /*@modifies cache @*/;
    00114
    00121 unsigned int fpHashFunction(const void * key)
    00122         /*@*/;
    00123
    00131 int fpEqual(const void * key1, const void * key2)
    00132         /*@*/;
    00133
    00144 void fpLookupList(fingerPrintCache cache, const char ** dirNames,
    00145                   const char ** baseNames, const int * dirIndexes,
    00146                   int fileCount, fingerPrint * fpList)
    00147         /*@modifies cache, *fpList @*/;
    00148
    00156 /*@unused@*/
    00157 void fpLookupHeader(fingerPrintCache cache, Header h, fingerPrint * fpList)
    00158         /*@modifies h, cache, *fpList @*/;
    00159
    00160 #ifdef __cplusplus
    00161 }
    00162 #endif
    00163
    00164 #endif