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#ifndef H_RPMIDTX
#define H_RPMIDTX
#include <rpm/rpmtypes.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* * A rollback transaction id element.
* */
typedef struct IDT_s {
unsigned int instance; /*!< installed package transaction id. */
const char * key; /*! removed package file name. */
Header h; /*!< removed package header. */
union {
uint32_t u32; /*!< install/remove transaction id */
} val;
} * IDT;
/**
* A rollback transaction id index.
*/
typedef struct IDTindex_s {
int delta; /*!< no. elements to realloc as a chunk. */
int size; /*!< size of id index element. */
int alloced; /*!< current number of elements allocated. */
int nidt; /*!< current number of elements initialized. */
IDT idt; /*!< id index elements. */
} * IDTX;
/**
* Destroy id index.
* @param idtx id index
* @return NULL always
*/
IDTX IDTXfree(IDTX idtx);
/**
* Create id index.
* @return new id index
*/
IDTX IDTXnew(void);
/**
* Insure that index has room for "need" elements.
* @param idtx id index
* @param need additional no. of elements needed
* @return id index (with room for "need" elements)
*/
IDTX IDTXgrow(IDTX idtx, int need);
/**
* Sort tag (instance,value) pairs.
* @param idtx id index
* @return id index
*/
IDTX IDTXsort(IDTX idtx);
/**
* Load tag (instance,value) pairs from rpm databse, and return sorted id index.
* @param ts transaction set
* @param tag rpm tag
* @return id index
*/
IDTX IDTXload(rpmts ts, rpm_tag_t tag);
/**
* Load tag (instance,value) pairs from packages, and return sorted id index.
* @param ts transaction set
* @param globstr glob expression
* @param tag rpm tag
* @return id index
*/
IDTX IDTXglob(rpmts ts, const char * globstr, rpm_tag_t tag);
#ifdef __cplusplus
}
#endif
#endif /* H_RPMIDTX */
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