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header.h File Reference

An rpm header carries all information about a package. More...

#include <stdio.h>
#include <rpmio.h>
#include <hdrinline.h>

Go to the source code of this file.

Defines

#define RPM_MIN_TYPE   0
#define RPM_MAX_TYPE   9
#define HEADER_IMAGE   61
 Header private tags.
#define HEADER_SIGNATURES   62
#define HEADER_IMMUTABLE   63
#define HEADER_REGIONS   64
#define HEADER_I18NTABLE   100
#define HEADER_SIGBASE   256
#define HEADER_TAGBASE   1000

Typedefs

typedef int int_32
typedef short int int_16
typedef char int_8
typedef unsigned int uint_32
typedef unsigned short uint_16
typedef const char * errmsg_t
typedef int_32hTAG_t
typedef int_32hTYP_t
typedef const void * hPTR_t
typedef int_32hCNT_t
typedef headerTokenHeader
typedef headerIteratorSHeaderIterator
typedef headerTagTableEntry_sheaderTagTableEntry
typedef char *(* headerTagFormatFunction )(int_32 type, const void *data, char *formatPrefix, int padding, int element)
typedef int(* headerTagTagFunction )(Header h, hTYP_t type, hPTR_t *data, hCNT_t count, int *freeData)
typedef headerSprintfExtension_sheaderSprintfExtension
typedef enum rpmTagType_e rpmTagType
typedef enum rpmSubTagType_e rpmSubTagType
typedef hRET_shRET_t
typedef HE_sHE_t
typedef Header(* HDRnew )(void)
typedef Header(* HDRfree )(Header h)
typedef Header(* HDRlink )(Header h)
typedef Header(* HDRunlink )(Header h)
typedef void(* HDRsort )(Header h)
typedef void(* HDRunsort )(Header h)
typedef unsigned int(* HDRsizeof )(Header h, enum hMagic magicp)
typedef void *(* HDRunload )(Header h)
typedef Header(* HDRreload )(Header h, int tag)
typedef Header(* HDRcopy )(Header h)
typedef Header(* HDRload )(void *uh)
typedef Header(* HDRcopyload )(const void *uh)
typedef Header(* HDRhdrread )(FD_t fd, enum hMagic magicp)
typedef int(* HDRhdrwrite )(FD_t fd, Header h, enum hMagic magicp)
typedef int(* HDRisentry )(Header h, int_32 tag)
typedef void *(* HDRfreetag )(Header h, const void *data, rpmTagType type)
typedef int(* HDRget )(Header h, int_32 tag, hTYP_t type, void **p, hCNT_t c)
typedef int(* HDRgetmin )(Header h, int_32 tag, hTYP_t type, hPTR_t *p, hCNT_t c)
typedef int(* HDRadd )(Header h, int_32 tag, int_32 type, const void *p, int_32 c)
typedef int(* HDRappend )(Header h, int_32 tag, int_32 type, const void *p, int_32 c)
typedef int(* HDRaddorappend )(Header h, int_32 tag, int_32 type, const void *p, int_32 c)
typedef int(* HDRaddi18n )(Header h, int_32 tag, const char *string, const char *lang)
typedef int(* HDRmodify )(Header h, int_32 tag, int_32 type, const void *p, int_32 c)
typedef int(* HDRremove )(Header h, int_32 tag)
typedef char *(* HDRhdrsprintf )(Header h, const char *fmt, const struct headerTagTableEntry_s *tags, const struct headerSprintfExtension_s *extensions, errmsg_t *errmsg)
typedef void(* HDRcopytags )(Header headerFrom, Header headerTo, hTAG_t tagstocopy)
typedef HeaderIterator(* HDRfreeiter )(HeaderIterator hi)
typedef HeaderIterator(* HDRinititer )(Header h)
typedef int(* HDRnextiter )(HeaderIterator hi, hTAG_t tag, hTYP_t type, hPTR_t *p, hCNT_t c)
typedef HV_sHV_t

Enumerations

enum  headerSprintfExtenstionType { HEADER_EXT_LAST = 0, HEADER_EXT_FORMAT, HEADER_EXT_MORE, HEADER_EXT_TAG }
enum  hMagic { HEADER_MAGIC_NO = 0, HEADER_MAGIC_YES = 1 }
enum  rpmTagType_e {
  RPM_NULL_TYPE = 0, RPM_CHAR_TYPE = 1, RPM_INT8_TYPE = 2, RPM_INT16_TYPE = 3,
  RPM_INT32_TYPE = 4, RPM_STRING_TYPE = 6, RPM_BIN_TYPE = 7, RPM_STRING_ARRAY_TYPE = 8,
  RPM_I18NSTRING_TYPE
}
enum  rpmSubTagType_e { RPM_REGION_TYPE = -10, RPM_BIN_ARRAY_TYPE = -11, RPM_XREF_TYPE = -12 }

Functions

static void * headerFreeData (const void *data, rpmTagType type)

Variables

const struct headerSprintfExtension_s headerDefaultFormats []


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.

Historical Issues
Here's a brief description of features/incompatibilities that have been added to headers and tags.

Todo:
Document version2 headers.

Development Issues
Here's a brief description of future features/incompatibilities that will be added to headers.

Definition in file header.h.


Define Documentation

#define HEADER_I18NTABLE   100
 

Definition at line 258 of file header.h.

Referenced by getTagString(), getTagVal(), hdrKeyList(), headerFindI18NString(), headerGetLangs(), initSourceHeader(), and regionSwab().

#define HEADER_IMAGE   61
 

Header private tags.

Note:
General use tags should start at 1000 (RPM's tag space starts there).

Definition at line 254 of file header.h.

Referenced by copyEntry(), and regionSwab().

#define HEADER_IMMUTABLE   63
 

Definition at line 256 of file header.h.

#define HEADER_REGIONS   64
 

Definition at line 257 of file header.h.

#define HEADER_SIGBASE   256
 

Definition at line 259 of file header.h.

Referenced by headerMergeLegacySigs(), and headerRegenSigHeader().

#define HEADER_SIGNATURES   62
 

Definition at line 255 of file header.h.

#define HEADER_TAGBASE   1000
 

Definition at line 260 of file header.h.

Referenced by headerMergeLegacySigs(), and headerRegenSigHeader().

#define RPM_MAX_TYPE   9
 

Referenced by regionSwab().

#define RPM_MIN_TYPE   0
 

Referenced by regionSwab().


Typedef Documentation

typedef int_32* hCNT_t
 

Definition at line 119 of file header.h.

typedef struct HE_s * HE_t
 

typedef const void* hPTR_t
 

Definition at line 118 of file header.h.

typedef union hRET_s * hRET_t
 

typedef int_32* hTYP_t
 

Definition at line 117 of file header.h.

typedef short int int_16
 

Definition at line 102 of file header.h.

typedef int int_32
 

Definition at line 101 of file header.h.

typedef char int_8
 

Definition at line 103 of file header.h.

typedef unsigned short uint_16
 

Definition at line 106 of file header.h.

typedef unsigned int uint_32
 

Definition at line 105 of file header.h.


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