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Chip 1998 February
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dbindex.h
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C/C++ Source or Header
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1997-09-17
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975b
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38 lines
#ifndef H_DBINDEX
#define H_DBINDEX
/* this will break if sizeof(int) != 4 */
#include <db.h>
typedef struct {
unsigned int recOffset;
unsigned int fileNumber;
} dbiIndexRecord;
typedef struct {
dbiIndexRecord * recs;
int count;
} dbiIndexSet;
typedef struct {
DB * db;
char * indexname;
} dbiIndex;
dbiIndex * dbiOpenIndex(char * filename, int flags, int perms);
void dbiCloseIndex(dbiIndex * dbi);
void dbiSyncIndex(dbiIndex * dbi);
int dbiSearchIndex(dbiIndex * dbi, char * str, dbiIndexSet * set);
/* -1 error, 0 success, 1 not found */
int dbiUpdateIndex(dbiIndex * dbi, char * str, dbiIndexSet * set);
/* 0 on success */
int dbiAppendIndexRecord(dbiIndexSet * set, dbiIndexRecord rec);
/* 0 on success - should never fail */
int dbiRemoveIndexRecord(dbiIndexSet * set, dbiIndexRecord rec);
/* 0 on success - fails if rec is not found */
dbiIndexSet dbiCreateIndexRecord(void);
void dbiFreeIndexRecord(dbiIndexSet set);
#endif