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#ifndef H_HEADER_INTERNAL
#define H_HEADER_INTERNAL
/** \ingroup header
* \file rpmdb/header_internal.h
*/
#include "header.h"
#include "header_method.h"
#include <netinet/in.h>
#define INDEX_MALLOC_SIZE 8
/*
* Teach header.c about legacy tags.
*/
#define HEADER_OLDFILENAMES 1027
#define HEADER_BASENAMES 1117
/** \ingroup header
* Description of tag data.
*/
typedef struct entryInfo_s * entryInfo;
struct entryInfo_s {
int32_t tag; /*!< Tag identifier. */
int32_t type; /*!< Tag data type. */
int32_t offset; /*!< Offset into data segment (ondisk only). */
int32_t count; /*!< Number of tag elements. */
};
#define REGION_TAG_TYPE RPM_BIN_TYPE
#define REGION_TAG_COUNT sizeof(struct entryInfo_s)
#define ENTRY_IS_REGION(_e) \
(((_e)->info.tag >= HEADER_IMAGE) && ((_e)->info.tag < HEADER_REGIONS))
#define ENTRY_IN_REGION(_e) ((_e)->info.offset < 0)
/** \ingroup header
* A single tag from a Header.
*/
typedef struct indexEntry_s * indexEntry;
struct indexEntry_s {
struct entryInfo_s info; /*!< Description of tag data. */
void * data; /*!< Location of tag data. */
int length; /*!< No. bytes of data. */
int rdlen; /*!< No. bytes of data in region. */
};
/** \ingroup header
* The Header data structure.
*/
struct headerToken_s {
struct HV_s hv; /*!< Header public methods. */
void * blob; /*!< Header region blob. */
indexEntry index; /*!< Array of tags. */
int indexUsed; /*!< Current size of tag array. */
int indexAlloced; /*!< Allocated size of tag array. */
int flags;
#define HEADERFLAG_SORTED (1 << 0) /*!< Are header entries sorted? */
#define HEADERFLAG_ALLOCATED (1 << 1) /*!< Is 1st header region allocated? */
#define HEADERFLAG_LEGACY (1 << 2) /*!< Header came from legacy source? */
#define HEADERFLAG_DEBUG (1 << 3) /*!< Debug this header? */
int nrefs; /*!< Reference count. */
};
/** \ingroup header
*/
typedef struct sprintfTag_s * sprintfTag;
struct sprintfTag_s {
headerTagFormatFunction fmt;
headerTagTagFunction ext; /*!< NULL if tag element is invalid */
int extNum;
int32_t tag;
int justOne;
int arrayCount;
char * format;
char * type;
int pad;
};
/** \ingroup header
* Extension cache.
*/
typedef struct rpmec_s * rpmec;
struct rpmec_s {
int32_t type;
int32_t count;
int avail;
int freeit;
const void * data;
};
/** \ingroup header
*/
typedef struct sprintfToken_s * sprintfToken;
struct sprintfToken_s {
enum {
PTOK_NONE = 0,
PTOK_TAG,
PTOK_ARRAY,
PTOK_STRING,
PTOK_COND
} type;
union {
struct sprintfTag_s tag; /*!< PTOK_TAG */
struct {
sprintfToken format;
int i;
int numTokens;
} array; /*!< PTOK_ARRAY */
struct {
char * string;
int len;
} string; /*!< PTOK_STRING */
struct {
sprintfToken ifFormat;
int numIfTokens;
sprintfToken elseFormat;
int numElseTokens;
struct sprintfTag_s tag;
} cond; /*!< PTOK_COND */
} u;
};
#ifdef __cplusplus
extern "C" {
#endif
/** \ingroup header
* Return array of locales found in header.
* The array is terminated with a NULL sentinel.
* @param h header
* @return array of locales (or NULL on error)
*/
char ** headerGetLangs(Header h);
/** \ingroup header
* Retrieve tag value with type match.
* If *type is RPM_NULL_TYPE any type will match, otherwise only *type will
* match.
*
* @param h header
* @param tag tag
* @retval type address of tag value data type (or NULL)
* @retval p address of pointer to tag value(s) (or NULL)
* @retval c address of number of values (or NULL)
* @return 1 on success, 0 on failure
*/
int headerGetRawEntry(Header h, int32_t tag,
hTYP_t type,
hPTR_t * p,
hCNT_t c);
/** \ingroup header
* Return header reference count.
* @param h header
* @return no. of references
*/
/* FIX: cast? */
static inline int headerUsageCount(Header h) {
return h->nrefs;
}
/** \ingroup header
* Dump a header in human readable format (for debugging).
* @param h header
* @param f file handle
* @param flags 0 or HEADER_DUMP_INLINE
* @param tags array of tag name/value pairs
*/
void headerDump(Header h, FILE *f, int flags,
const struct headerTagTableEntry_s * tags);
#define HEADER_DUMP_INLINE 1
/** \ingroup header
* Convert binary blob to printable hex string
* @param[in] data binary data
* @param[in] count size of data in bytes
*/
char * bin2hex(const char *data, size_t count);
#ifdef __cplusplus
}
#endif
#endif /* H_HEADER_INTERNAL */
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