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DB1.

Files
file	db1.c
file	falloc.c
	The entire file space is thus divided into blocks with a "struct fablock" at the header of each.
file	falloc.h
	File space allocation routines.
file	rpmdb.h
	Access RPM indices using Berkeley DB interface(s).
Defines
#define	FA_MAGIC   0x02050920
Functions
FD_t	fadOpen (const char *path, int flags, mode_t perms)
unsigned int	fadAlloc (FD_t fd, unsigned int size)
void	fadFree (FD_t fd, unsigned int offset)
int	fadFirstOffset (FD_t fd)
int	fadNextOffset (FD_t fd, unsigned int lastoff)
char *	db1basename (int rpmtag)
Variables
_dbiVec	db1vec

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Define Documentation

#define FA_MAGIC   0x02050920

Definition at line 23 of file falloc.c. Referenced by fadAlloc(), fadFree(), and fadOpen().

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Function Documentation

char* db1basename (  int    rpmtag )

Return base file name for db1 database (legacy). Parameters: rpmtag  rpm tag Returns: base file name of db1 database Definition at line 3112 of file rpmdb.c. References alloca(), RPMDBI_PACKAGES, RPMTAG_BASENAMES, RPMTAG_CONFLICTNAME, RPMTAG_GROUP, RPMTAG_NAME, RPMTAG_PROVIDENAME, RPMTAG_REQUIRENAME, RPMTAG_TRIGGERNAME, stpcpy(), tagName(), and xstrdup(). Referenced by db1close(), db1open(), rpmdbMoveDatabase(), and rpmdbRemoveDatabase().

unsigned int fadAlloc (  FD_t    fd, unsigned int    size )

Parameters: fd  file handle size  Returns: 0 on failure Definition at line 144 of file falloc.c. References _, alloca(), EXIT_FAILURE, FA_MAGIC, fadGetFileSize(), fadGetFirstFree(), fadSetFileSize(), fadSetFirstFree(), faFileHeader::firstFree, faHeader::freeNext, faHeader::freePrev, faHeader::isFree, faFooter::isFree, faFileHeader::magic, Pread(), Pwrite(), RPMERR_FREELIST, rpmError, faHeader::size, and faFooter::size. Referenced by db1cget().

int fadFirstOffset (  FD_t    fd )

Parameters: fd  file handle Definition at line 462 of file falloc.c. References fadNextOffset(). Referenced by db1cget().

void fadFree (  FD_t    fd, unsigned int    offset )

Parameters: fd  file handle offset  Definition at line 334 of file falloc.c. References FA_MAGIC, fadGetFirstFree(), fadSetFirstFree(), faFileHeader::firstFree, faHeader::freeNext, faHeader::freePrev, faHeader::isFree, faFooter::isFree, faFileHeader::magic, Pread(), Pwrite(), and faHeader::size. Referenced by db1cdel().

int fadNextOffset (  FD_t    fd, unsigned int    lastoff )

Parameters: fd  file handle lastoff  Returns: next offset, 0 to terminate Definition at line 467 of file falloc.c. References fadGetFileSize(), fadSanity(), faHeader::isFree, Pread(), and faHeader::size. Referenced by db1cget(), doGetRecord(), and fadFirstOffset().

FD_t fadOpen (  const char *    path, int    flags, mode_t    perms )

Definition at line 85 of file falloc.c. References FDIO_s::_open, FA_MAGIC, fadGetFileSize(), fadSetFileSize(), fadSetFirstFree(), Fclose(), fdSetIo(), Ferror(), faFileHeader::firstFree, Fseek(), Fwrite(), faFileHeader::magic, Pread(), and SEEK_END. Referenced by db1open().

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Variable Documentation

struct _dbiVec db1vec

Initial value: { 1 , 85 , 0 , db1open, db1close, db1sync, db1copen, db1cclose, db1cdel, db1cget, db1cput, db1ccount, db1byteswapped, db1stat } Definition at line 618 of file db1.c.

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