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#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#undef NDBM_HEADER_USES_PROTOTYPES
#if defined(I_GDBM_NDBM)
# ifdef GDBM_NDBM_H_USES_PROTOTYPES
# define NDBM_HEADER_USES_PROTOTYPES
START_EXTERN_C
# endif
# include <gdbm-ndbm.h> /* Debian compatibility version */
#elif defined(I_GDBMNDBM)
# ifdef GDBMNDBM_H_USES_PROTOTYPES
# define NDBM_HEADER_USES_PROTOTYPES
START_EXTERN_C
# endif
# include <gdbm/ndbm.h> /* RedHat compatibility version */
#elif defined(I_NDBM)
# ifdef NDBM_H_USES_PROTOTYPES
# define NDBM_HEADER_USES_PROTOTYPES
START_EXTERN_C
# endif
# include <ndbm.h>
#endif
#ifdef NDBM_HEADER_USES_PROTOTYPES
END_EXTERN_C
#endif
#define fetch_key 0
#define store_key 1
#define fetch_value 2
#define store_value 3
typedef struct {
DBM * dbp ;
SV * filter[4];
int filtering ;
} NDBM_File_type;
typedef NDBM_File_type * NDBM_File ;
typedef datum datum_key ;
typedef datum datum_value ;
#if defined(__cplusplus) && !defined(NDBM_HEADER_USES_PROTOTYPES)
/* gdbm's header file used for compatibility with gdbm */
/* isn't compatible to C++ syntax, so we need these */
/* declarations to make everyone happy. */
EXTERN_C DBM *dbm_open(const char *, int, mode_t);
EXTERN_C void dbm_close(DBM *);
EXTERN_C datum dbm_fetch(DBM *, datum);
EXTERN_C int dbm_store(DBM *, datum, datum, int);
EXTERN_C int dbm_delete(DBM *, datum);
EXTERN_C datum dbm_firstkey(DBM *);
EXTERN_C datum dbm_nextkey(DBM *);
#endif
MODULE = NDBM_File PACKAGE = NDBM_File PREFIX = ndbm_
NDBM_File
ndbm_TIEHASH(dbtype, filename, flags, mode)
char * dbtype
char * filename
int flags
int mode
CODE:
{
DBM * dbp ;
RETVAL = NULL ;
if ((dbp = dbm_open(filename, flags, mode))) {
RETVAL = (NDBM_File)safecalloc(1, sizeof(NDBM_File_type));
RETVAL->dbp = dbp ;
}
}
OUTPUT:
RETVAL
void
ndbm_DESTROY(db)
NDBM_File db
PREINIT:
int i = store_value;
CODE:
dbm_close(db->dbp);
do {
if (db->filter[i])
SvREFCNT_dec(db->filter[i]);
} while (i-- > 0);
safefree(db);
#define ndbm_FETCH(db,key) dbm_fetch(db->dbp,key)
datum_value
ndbm_FETCH(db, key)
NDBM_File db
datum_key key
#define ndbm_STORE(db,key,value,flags) dbm_store(db->dbp,key,value,flags)
int
ndbm_STORE(db, key, value, flags = DBM_REPLACE)
NDBM_File db
datum_key key
datum_value value
int flags
CLEANUP:
if (RETVAL) {
if (RETVAL < 0 && errno == EPERM)
croak("No write permission to ndbm file");
croak("ndbm store returned %d, errno %d, key \"%s\"",
RETVAL,errno,key.dptr);
dbm_clearerr(db->dbp);
}
#define ndbm_DELETE(db,key) dbm_delete(db->dbp,key)
int
ndbm_DELETE(db, key)
NDBM_File db
datum_key key
#define ndbm_FIRSTKEY(db) dbm_firstkey(db->dbp)
datum_key
ndbm_FIRSTKEY(db)
NDBM_File db
#define ndbm_NEXTKEY(db,key) dbm_nextkey(db->dbp)
datum_key
ndbm_NEXTKEY(db, key)
NDBM_File db
datum_key key = NO_INIT
#define ndbm_error(db) dbm_error(db->dbp)
int
ndbm_error(db)
NDBM_File db
#define ndbm_clearerr(db) dbm_clearerr(db->dbp)
void
ndbm_clearerr(db)
NDBM_File db
SV *
filter_fetch_key(db, code)
NDBM_File db
SV * code
SV * RETVAL = &PL_sv_undef ;
ALIAS:
NDBM_File::filter_fetch_key = fetch_key
NDBM_File::filter_store_key = store_key
NDBM_File::filter_fetch_value = fetch_value
NDBM_File::filter_store_value = store_value
CODE:
DBM_setFilter(db->filter[ix], code);
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