[ новости /+++ | форум | теги | ]

NAME

rpmdb/fprint.c -  
 

SYNOPSIS

#include 'system.h'
#include 'rpmdb.h'
#include 'rpmmacro.h'
#include 'fprint.h'
#include 'debug.h'
 

Functions

fingerPrintCache fpCacheCreate (int sizeHint)
Create finger print cache.
void fpCacheFree (fingerPrintCache cache)
Destroy finger print cache.
const struct fprintCacheEntry_s * cacheContainsDirectory (fingerPrintCache cache, const char *dirName)
Find directory name entry in cache.
fingerPrint doLookup (fingerPrintCache cache, const char *dirName, const char *baseName, int scareMemory)
Return finger print of a file path.
fingerPrint fpLookup (fingerPrintCache cache, const char *dirName, const char *baseName, int scareMemory)
Return finger print of a file path.
unsigned int fpHashFunction (const void *key)
Return hash value for a finger print.
int fpEqual (const void *key1, const void *key2)
Compare two finger print entries.
void fpLookupList (fingerPrintCache cache, const char **dirNames, const char **baseNames, const int *dirIndexes, int fileCount, fingerPrint *fpList)
Return finger prints of an array of file paths.
void fpLookupHeader (fingerPrintCache cache, Header h, fingerPrint *fpList)
Return finger prints of all file names in header.  

DETAILED DESCRIPTION

Definition in file fprint.c.  

FUNCTION DOCUMENTATION

const struct fprintCacheEntry_s* cacheContainsDirectory (fingerPrintCache cache, const char * dirName) [static]

Find directory name entry in cache.

Parameters:

cache

pointer to fingerprint cache

dirName

string to locate in cache

Returns: pointer to directory name entry (or NULL if not found).

Definition at line 35 of file fprint.c.

References htGetEntry().

Referenced by doLookup().  

fingerPrint doLookup (fingerPrintCache cache, const char * dirName, const char * baseName, int scareMemory) [static]

Return finger print of a file path.

Parameters:

cache

pointer to fingerprint cache

dirName

leading directory name of path

baseName

file name of path

scareMemory

Returns: pointer to the finger print associated with a file path.

Definition at line 55 of file fprint.c.

References alloca(), fingerPrint_s::baseName, cacheContainsDirectory(), fprintCacheEntry_s::dev, fprintCacheEntry_s::dirName, fingerPrint_s::entry, htAddEntry(), fprintCacheEntry_s::ino, fprintCacheEntry_s::isFake, realpath(), rpmCleanPath(), stpncpy(), fingerPrint_s::subDir, xmalloc(), and xstrdup().

Referenced by fpLookup(), and fpLookupList().  

fingerPrintCache fpCacheCreate (int sizeHint)

Create finger print cache.

Parameters:

sizeHint

number of elements expected

Returns: pointer to initialized fingerprint cache

Definition at line 13 of file fprint.c.

References fprintCache_s::ht, htCreate(), and xmalloc().

Referenced by rpmdbFindByFile(), rpmdbFindFpList(), and rpmRunTransactions().  

void fpCacheFree (fingerPrintCache cache)

Destroy finger print cache.

Parameters:

cache

pointer to fingerprint cache

Definition at line 23 of file fprint.c.

References fprintCache_s::ht, and htFree().

Referenced by rpmdbFindByFile(), rpmdbFindFpList(), and rpmRunTransactions().  

int fpEqual (const void * key1, const void * key2)

Compare two finger print entries.

exactly equivalent to FP_EQUAL macro.

Parameters:

key1

finger print 1

key2

finger print 2

Returns: result of comparing key1 and key2

Definition at line 209 of file fprint.c.

References FP_EQUAL.  

unsigned int fpHashFunction (const void * key)

Return hash value for a finger print.

Hash based on dev and inode only!

Parameters:

key

pointer to finger print entry

Returns: hash value

Definition at line 191 of file fprint.c.

References fingerPrint_s::baseName, fprintCacheEntry_s::dev, fingerPrint_s::entry, and fprintCacheEntry_s::ino.  

fingerPrint fpLookup (fingerPrintCache cache, const char * dirName, const char * baseName, int scareMemory)

Return finger print of a file path.

Parameters:

cache

pointer to fingerprint cache

dirName

leading directory name of file path

baseName

base name of file path

scareMemory

Returns: pointer to the finger print associated with a file path.

Definition at line 185 of file fprint.c.

References doLookup().

Referenced by rpmdbFindByFile().  

void fpLookupHeader (fingerPrintCache cache, Header h, fingerPrint * fpList)

Return finger prints of all file names in header.

@warning: scareMemory is assumed!

Parameters:

cache

pointer to fingerprint cache

h

package header

Return values:

fpList

pointer to array of finger prints

Definition at line 247 of file fprint.c.

References fpLookupList(), HFD_t, HGE_t, int_32, RPMTAG_BASENAMES, RPMTAG_DIRINDEXES, RPMTAG_DIRNAMES, and rpmTagType.  

void fpLookupList (fingerPrintCache cache, const char ** dirNames, const char ** baseNames, const int * dirIndexes, int fileCount, fingerPrint * fpList)

Return finger prints of an array of file paths.

@warning: scareMemory is assumed!

Parameters:

cache

pointer to fingerprint cache

dirNames

directory names

baseNames

file base names

dirIndexes

index into dirNames for each baseNames

fileCount

number of file entries

Return values:

fpList

pointer to array of finger prints

Definition at line 227 of file fprint.c.

References fingerPrint_s::baseName, doLookup(), fingerPrint_s::entry, and fingerPrint_s::subDir.

Referenced by fpLookupHeader(), rpmdbFindFpList(), and rpmRunTransactions().  

AUTHOR

Generated automatically by Doxygen for rpm from the source code.

Index

NAME

SYNOPSIS

Functions

DETAILED DESCRIPTION

FUNCTION DOCUMENTATION

const struct fprintCacheEntry_s* cacheContainsDirectory (fingerPrintCache cache, const char * dirName) [static]

fingerPrint doLookup (fingerPrintCache cache, const char * dirName, const char * baseName, int scareMemory) [static]

fingerPrintCache fpCacheCreate (int sizeHint)

void fpCacheFree (fingerPrintCache cache)

int fpEqual (const void * key1, const void * key2)

unsigned int fpHashFunction (const void * key)

fingerPrint fpLookup (fingerPrintCache cache, const char * dirName, const char * baseName, int scareMemory)

void fpLookupHeader (fingerPrintCache cache, Header h, fingerPrint * fpList)

void fpLookupList (fingerPrintCache cache, const char ** dirNames, const char ** baseNames, const int * dirIndexes, int fileCount, fingerPrint * fpList)

AUTHOR

Партнёры:

Хостинг: