header.h File Reference

#include <rpm/rpmio.h>
#include <rpm/rpmtypes.h>
#include <rpm/rpmtd.h>
#include <rpm/rpmutil.h>

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Typedefs
typedef rpmFlags	headerImportFlags
typedef rpmFlags	headerGetFlags
typedef rpmFlags	headerPutFlags
typedef enum headerConvOps_e	headerConvOps

Enumerations
enum	hMagic { HEADER_MAGIC_NO = 0 , HEADER_MAGIC_YES = 1 }
enum	headerImportFlags_e { HEADERIMPORT_COPY = (1 << 0) , HEADERIMPORT_FAST = (1 << 1) }
enum	headerGetFlags_e {   HEADERGET_DEFAULT = 0 , HEADERGET_MINMEM = (1 << 0) , HEADERGET_EXT = (1 << 1) , HEADERGET_RAW = (1 << 2) ,   HEADERGET_ALLOC = (1 << 3) , HEADERGET_ARGV = (1 << 4) }
enum	headerPutFlags_e { HEADERPUT_DEFAULT = 0 , HEADERPUT_APPEND = (1 << 0) }
enum	headerConvOps_e { HEADERCONV_EXPANDFILELIST = 0 , HEADERCONV_COMPRESSFILELIST = 1 , HEADERCONV_RETROFIT_V3 = 2 }

Functions
RPM_PUBLIC_API Header	headerNew (void)
RPM_PUBLIC_API Header	headerFree (Header h)
RPM_PUBLIC_API Header	headerLink (Header h)
RPM_PUBLIC_API unsigned int	headerSizeof (Header h, int magicp)
RPM_PUBLIC_API void *	headerExport (Header h, unsigned int *bsize)
RPM_PUBLIC_API Header	headerReload (Header h, rpmTagVal tag)
RPM_PUBLIC_API Header	headerCopy (Header h)
RPM_PUBLIC_API Header	headerImport (void *blob, unsigned int bsize, headerImportFlags flags)
RPM_PUBLIC_API Header	headerRead (FD_t fd, int magicp)
RPM_PUBLIC_API int	headerWrite (FD_t fd, Header h, int magicp)
RPM_PUBLIC_API int	headerIsEntry (Header h, rpmTagVal tag)
RPM_PUBLIC_API int	headerGet (Header h, rpmTagVal tag, rpmtd td, headerGetFlags flags)
RPM_PUBLIC_API int	headerPut (Header h, rpmtd td, headerPutFlags flags)
RPM_PUBLIC_API int	headerAddI18NString (Header h, rpmTagVal tag, const char *string, const char *lang)
RPM_PUBLIC_API int	headerMod (Header h, rpmtd td)
RPM_PUBLIC_API int	headerDel (Header h, rpmTagVal tag)
RPM_PUBLIC_API char *	headerFormat (Header h, const char *fmt, errmsg_t *errmsg)
RPM_PUBLIC_API void	headerCopyTags (Header headerFrom, Header headerTo, const rpmTagVal *tagstocopy)
RPM_PUBLIC_API HeaderIterator	headerFreeIterator (HeaderIterator hi)
RPM_PUBLIC_API HeaderIterator	headerInitIterator (Header h)
RPM_PUBLIC_API int	headerNext (HeaderIterator hi, rpmtd td)
RPM_PUBLIC_API rpmTagVal	headerNextTag (HeaderIterator hi)
RPM_PUBLIC_API char *	headerGetAsString (Header h, rpmTagVal tag)
RPM_PUBLIC_API const char *	headerGetString (Header h, rpmTagVal tag)
RPM_PUBLIC_API uint64_t	headerGetNumber (Header h, rpmTagVal tag)
RPM_PUBLIC_API int	headerIsSource (Header h)
RPM_PUBLIC_API unsigned int	headerGetInstance (Header h)
RPM_PUBLIC_API int	headerConvert (Header h, int op)
RPM_PUBLIC_API int	headerPutBin (Header h, rpmTagVal tag, const uint8_t *val, rpm_count_t size)
RPM_PUBLIC_API int	headerPutString (Header h, rpmTagVal tag, const char *val)
RPM_PUBLIC_API int	headerPutStringArray (Header h, rpmTagVal tag, const char **val, rpm_count_t size)
RPM_PUBLIC_API int	headerPutChar (Header h, rpmTagVal tag, const char *val, rpm_count_t size)
RPM_PUBLIC_API int	headerPutUint8 (Header h, rpmTagVal tag, const uint8_t *val, rpm_count_t size)
RPM_PUBLIC_API int	headerPutUint16 (Header h, rpmTagVal tag, const uint16_t *val, rpm_count_t size)
RPM_PUBLIC_API int	headerPutUint32 (Header h, rpmTagVal tag, const uint32_t *val, rpm_count_t size)
RPM_PUBLIC_API int	headerPutUint64 (Header h, rpmTagVal tag, const uint64_t *val, rpm_count_t size)

Variables
RPM_PUBLIC_API const unsigned char	rpm_header_magic [8]

Detailed Description

An rpm header carries all information about a package. A header is a collection of data elements called tags. Each tag has a data type, and includes 1 or more values.