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#ifndef H_HEADER_INTERNAL
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#define H_HEADER_INTERNAL
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/** \ingroup header
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* \file lib/header_internal.h
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*/
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#include <rpm/header.h>
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#include <netinet/in.h>
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/** \ingroup header
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* Description of tag data.
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*/
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typedef struct entryInfo_s * entryInfo;
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struct entryInfo_s {
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rpm_tag_t tag; /*!< Tag identifier. */
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rpm_tagtype_t type; /*!< Tag data type. */
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int32_t offset; /*!< Offset into data segment (ondisk only). */
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rpm_count_t count; /*!< Number of tag elements. */
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};
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typedef struct hdrblob_s * hdrblob;
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struct hdrblob_s {
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int32_t *ei;
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int32_t il;
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int32_t dl;
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entryInfo pe;
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int32_t pvlen;
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uint8_t *dataStart;
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uint8_t *dataEnd;
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rpmTagVal regionTag;
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int32_t ril;
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int32_t rdl;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* convert entry info to host endianess */
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static inline void ei2h(const struct entryInfo_s *pe, struct entryInfo_s *info)
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{
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info->tag = ntohl(pe->tag);
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info->type = ntohl(pe->type);
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info->offset = ntohl(pe->offset);
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info->count = ntohl(pe->count);
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}
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static inline void ei2td(const struct entryInfo_s *info,
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unsigned char * dataStart, size_t len,
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struct rpmtd_s *td)
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{
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td->tag = info->tag;
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td->type = info->type;
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td->count = info->count;
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td->size = len;
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td->data = dataStart + info->offset;
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td->ix = -1;
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td->flags = RPMTD_IMMUTABLE;
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}
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RPM_GNUC_INTERNAL
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hdrblob hdrblobCreate(void);
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RPM_GNUC_INTERNAL
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hdrblob hdrblobFree(hdrblob blob);
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RPM_GNUC_INTERNAL
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rpmRC hdrblobInit(const void *uh, size_t uc,
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rpmTagVal regionTag, int exact_size,
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struct hdrblob_s *blob, char **emsg);
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RPM_GNUC_INTERNAL
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rpmRC hdrblobRead(FD_t fd, int magic, int exact_size, rpmTagVal regionTag, hdrblob blob, char **emsg);
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RPM_GNUC_INTERNAL
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rpmRC hdrblobImport(hdrblob blob, int fast, Header *hdrp, char **emsg);
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RPM_GNUC_INTERNAL
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rpmRC hdrblobGet(hdrblob blob, uint32_t tag, rpmtd td);
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/** \ingroup header
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* Set header instance (rpmdb record number)
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* @param h header
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* @param instance record number
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*/
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RPM_GNUC_INTERNAL
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void headerSetInstance(Header h, unsigned int instance);
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/* Package IO helper to consolidate partial read and error handling */
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RPM_GNUC_INTERNAL
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ssize_t Freadall(FD_t fd, void * buf, ssize_t size);
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RPM_GNUC_INTERNAL
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int headerIsSourceHeuristic(Header h);
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#ifdef __cplusplus
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}
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#endif
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#endif /* H_HEADER_INTERNAL */
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