#include "perl.h"
#include "XSUB.h"
-#ifdef NULL
-#undef NULL
+#ifdef I_DBM
+# include <dbm.h>
+#else
+# ifdef I_RPCSVC_DBM
+# include <rpcsvc/dbm.h>
+# endif
+#endif
+
+#ifndef HAS_DBMINIT_PROTO
+int dbminit(char* filename);
+int dbmclose(void);
+datum fetch(datum key);
+int store(datum key, datum dat);
+# ifdef __cplusplus
+int odelete(datum key); /* Cannot be delete() for C++. */
+# else
+int delete(datum key);
+# endif
+datum firstkey(void);
+datum nextkey(datum key);
+#endif
+
+#ifdef DBM_BUG_DUPLICATE_FREE
+/*
+ * DBM on at least Ultrix and HPUX call dbmclose() from dbminit(),
+ * resulting in duplicate free() because dbmclose() does *not*
+ * check if it has already been called for this DBM.
+ * If some malloc/free calls have been done between dbmclose() and
+ * the next dbminit(), the memory might be used for something else when
+ * it is freed.
+ * Verified to work on ultrix4.3. Probably will work on HP/UX.
+ * Set DBM_BUG_DUPLICATE_FREE in the extension hint file.
+ */
+/* Close the previous dbm, and fail to open a new dbm */
+#define dbmclose() ((void) dbminit("/non/exist/ent"))
#endif
-#include <dbm.h>
#include <fcntl.h>
-typedef void* ODBM_File;
+typedef struct {
+ void * dbp ;
+ SV * filter_fetch_key ;
+ SV * filter_store_key ;
+ SV * filter_fetch_value ;
+ SV * filter_store_value ;
+ int filtering ;
+ } ODBM_File_type;
+
+typedef ODBM_File_type * ODBM_File ;
+typedef datum datum_key ;
+typedef datum datum_key_copy ;
+typedef datum datum_value ;
#define odbm_FETCH(db,key) fetch(key)
#define odbm_STORE(db,key,value,flags) store(key,value)
-#define odbm_DELETE(db,key) delete(key)
+#ifdef __cplusplus
+# define odbm_DELETE(db,key) odelete(key)
+#else
+# define odbm_DELETE(db,key) delete(key)
+#endif
#define odbm_FIRSTKEY(db) firstkey()
#define odbm_NEXTKEY(db,key) nextkey(key)
-static int dbmrefcnt;
+#define MY_CXT_KEY "ODBM_File::_guts" XS_VERSION
+
+typedef struct {
+ int x_dbmrefcnt;
+} my_cxt_t;
+
+START_MY_CXT
+
+#define dbmrefcnt (MY_CXT.x_dbmrefcnt)
#ifndef DBM_REPLACE
#define DBM_REPLACE 0
MODULE = ODBM_File PACKAGE = ODBM_File PREFIX = odbm_
+BOOT:
+{
+ MY_CXT_INIT;
+}
+
ODBM_File
odbm_TIEHASH(dbtype, filename, flags, mode)
char * dbtype
int mode
CODE:
{
- char tmpbuf[1025];
+ char *tmpbuf;
+ void * dbp ;
+ dMY_CXT;
+
if (dbmrefcnt++)
croak("Old dbm can only open one database");
+ Newx(tmpbuf, strlen(filename) + 5, char);
+ SAVEFREEPV(tmpbuf);
sprintf(tmpbuf,"%s.dir",filename);
- if (stat(tmpbuf, &statbuf) < 0) {
+ if (stat(tmpbuf, &PL_statbuf) < 0) {
if (flags & O_CREAT) {
if (mode < 0 || close(creat(tmpbuf,mode)) < 0)
croak("ODBM_File: Can't create %s", filename);
else
croak("ODBM_FILE: Can't open %s", filename);
}
- RETVAL = (void*)(dbminit(filename) >= 0 ? &dbmrefcnt : 0);
- ST(0) = sv_mortalcopy(&sv_undef);
- sv_setptrobj(ST(0), RETVAL, "ODBM_File");
+ dbp = (void*)(dbminit(filename) >= 0 ? &dbmrefcnt : 0);
+ RETVAL = (ODBM_File)safemalloc(sizeof(ODBM_File_type)) ;
+ Zero(RETVAL, 1, ODBM_File_type) ;
+ RETVAL->dbp = dbp ;
+ ST(0) = sv_mortalcopy(&PL_sv_undef);
+ sv_setptrobj(ST(0), RETVAL, dbtype);
}
void
DESTROY(db)
ODBM_File db
+ PREINIT:
+ dMY_CXT;
CODE:
dbmrefcnt--;
dbmclose();
+ safefree(db);
-datum
+datum_value
odbm_FETCH(db, key)
ODBM_File db
- datum key
+ datum_key_copy key
int
odbm_STORE(db, key, value, flags = DBM_REPLACE)
ODBM_File db
- datum key
- datum value
+ datum_key key
+ datum_value value
int flags
CLEANUP:
if (RETVAL) {
int
odbm_DELETE(db, key)
ODBM_File db
- datum key
+ datum_key key
-datum
+datum_key
odbm_FIRSTKEY(db)
ODBM_File db
-datum
+datum_key
odbm_NEXTKEY(db, key)
ODBM_File db
- datum key
+ datum_key key
+
+
+#define setFilter(type) \
+ { \
+ if (db->type) \
+ RETVAL = sv_mortalcopy(db->type) ; \
+ ST(0) = RETVAL ; \
+ if (db->type && (code == &PL_sv_undef)) { \
+ SvREFCNT_dec(db->type) ; \
+ db->type = Nullsv ; \
+ } \
+ else if (code) { \
+ if (db->type) \
+ sv_setsv(db->type, code) ; \
+ else \
+ db->type = newSVsv(code) ; \
+ } \
+ }
+
+
+
+SV *
+filter_fetch_key(db, code)
+ ODBM_File db
+ SV * code
+ SV * RETVAL = &PL_sv_undef ;
+ CODE:
+ DBM_setFilter(db->filter_fetch_key, code) ;
+
+SV *
+filter_store_key(db, code)
+ ODBM_File db
+ SV * code
+ SV * RETVAL = &PL_sv_undef ;
+ CODE:
+ DBM_setFilter(db->filter_store_key, code) ;
+
+SV *
+filter_fetch_value(db, code)
+ ODBM_File db
+ SV * code
+ SV * RETVAL = &PL_sv_undef ;
+ CODE:
+ DBM_setFilter(db->filter_fetch_value, code) ;
+
+SV *
+filter_store_value(db, code)
+ ODBM_File db
+ SV * code
+ SV * RETVAL = &PL_sv_undef ;
+ CODE:
+ DBM_setFilter(db->filter_store_value, code) ;
projects / p5sagit/p5-mst-13.2.git / blobdiff