#include <gdbm.h>
#include <fcntl.h>
-typedef GDBM_FILE GDBM_File;
+typedef struct {
+ GDBM_FILE dbp ;
+ SV * filter_fetch_key ;
+ SV * filter_store_key ;
+ SV * filter_fetch_value ;
+ SV * filter_store_value ;
+ int filtering ;
+ } GDBM_File_type;
+
+typedef GDBM_File_type * GDBM_File ;
+typedef datum datum_key ;
+typedef datum datum_value ;
+typedef datum datum_key_copy;
#define GDBM_BLOCKSIZE 0 /* gdbm defaults to stat blocksize */
-#define gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func) \
- gdbm_open(name, GDBM_BLOCKSIZE, read_write, mode, fatal_func)
-
-#define gdbm_FETCH(db,key) gdbm_fetch(db,key)
-#define gdbm_STORE(db,key,value,flags) gdbm_store(db,key,value,flags)
-#define gdbm_DELETE(db,key) gdbm_delete(db,key)
-#define gdbm_FIRSTKEY(db) gdbm_firstkey(db)
-#define gdbm_NEXTKEY(db,key) gdbm_nextkey(db,key)
-
-typedef datum gdatum;
typedef void (*FATALFUNC)();
+#ifndef GDBM_FAST
static int
-not_here(s)
-char *s;
+not_here(char *s)
{
croak("GDBM_File::%s not implemented on this architecture", s);
return -1;
}
+#endif
-static double
-constant(name, arg)
-char *name;
-int arg;
+/* GDBM allocates the datum with system malloc() and expects the user
+ * to free() it. So we either have to free() it immediately, or have
+ * perl free() it when it deallocates the SV, depending on whether
+ * perl uses malloc()/free() or not. */
+static void
+output_datum(pTHX_ SV *arg, char *str, int size)
{
- errno = 0;
- switch (*name) {
- case 'A':
- break;
- case 'B':
- break;
- case 'C':
- break;
- case 'D':
- break;
- case 'E':
- break;
- case 'F':
- break;
- case 'G':
- if (strEQ(name, "GDBM_CACHESIZE"))
-#ifdef GDBM_CACHESIZE
- return GDBM_CACHESIZE;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "GDBM_FAST"))
-#ifdef GDBM_FAST
- return GDBM_FAST;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "GDBM_FASTMODE"))
-#ifdef GDBM_FASTMODE
- return GDBM_FASTMODE;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "GDBM_INSERT"))
-#ifdef GDBM_INSERT
- return GDBM_INSERT;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "GDBM_NEWDB"))
-#ifdef GDBM_NEWDB
- return GDBM_NEWDB;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "GDBM_READER"))
-#ifdef GDBM_READER
- return GDBM_READER;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "GDBM_REPLACE"))
-#ifdef GDBM_REPLACE
- return GDBM_REPLACE;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "GDBM_WRCREAT"))
-#ifdef GDBM_WRCREAT
- return GDBM_WRCREAT;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "GDBM_WRITER"))
-#ifdef GDBM_WRITER
- return GDBM_WRITER;
-#else
- goto not_there;
-#endif
- break;
- case 'H':
- break;
- case 'I':
- break;
- case 'J':
- break;
- case 'K':
- break;
- case 'L':
- break;
- case 'M':
- break;
- case 'N':
- break;
- case 'O':
- break;
- case 'P':
- break;
- case 'Q':
- break;
- case 'R':
- break;
- case 'S':
- break;
- case 'T':
- break;
- case 'U':
- break;
- case 'V':
- break;
- case 'W':
- break;
- case 'X':
- break;
- case 'Y':
- break;
- case 'Z':
- break;
- }
- errno = EINVAL;
- return 0;
-
-not_there:
- errno = ENOENT;
- return 0;
+ sv_setpvn(arg, str, size);
+ free(str);
}
-MODULE = GDBM_File PACKAGE = GDBM_File PREFIX = gdbm_
+/* Versions of gdbm prior to 1.7x might not have the gdbm_sync,
+ gdbm_exists, and gdbm_setopt functions. Apparently Slackware
+ (Linux) 2.1 contains gdbm-1.5 (which dates back to 1991).
+*/
+#ifndef GDBM_FAST
+#define gdbm_exists(db,key) not_here("gdbm_exists")
+#define gdbm_sync(db) (void) not_here("gdbm_sync")
+#define gdbm_setopt(db,optflag,optval,optlen) not_here("gdbm_setopt")
+#endif
-double
-constant(name,arg)
- char * name
- int arg
+#include "const-c.inc"
+
+MODULE = GDBM_File PACKAGE = GDBM_File PREFIX = gdbm_
+INCLUDE: const-xs.inc
GDBM_File
gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func = (FATALFUNC)croak)
int read_write
int mode
FATALFUNC fatal_func
+ CODE:
+ {
+ GDBM_FILE dbp ;
+
+ RETVAL = NULL ;
+ if ((dbp = gdbm_open(name, GDBM_BLOCKSIZE, read_write, mode, fatal_func))) {
+ RETVAL = (GDBM_File)safemalloc(sizeof(GDBM_File_type)) ;
+ Zero(RETVAL, 1, GDBM_File_type) ;
+ RETVAL->dbp = dbp ;
+ }
+
+ }
+ OUTPUT:
+ RETVAL
+
+#define gdbm_close(db) gdbm_close(db->dbp)
void
gdbm_close(db)
GDBM_File db
GDBM_File db
CODE:
gdbm_close(db);
+ safefree(db);
-gdatum
+#define gdbm_FETCH(db,key) gdbm_fetch(db->dbp,key)
+datum_value
gdbm_FETCH(db, key)
GDBM_File db
- datum key
+ datum_key_copy key
+#define gdbm_STORE(db,key,value,flags) gdbm_store(db->dbp,key,value,flags)
int
gdbm_STORE(db, key, value, flags = GDBM_REPLACE)
GDBM_File db
- datum key
- datum value
+ datum_key key
+ datum_value value
int flags
CLEANUP:
if (RETVAL) {
croak("No write permission to gdbm file");
croak("gdbm store returned %d, errno %d, key \"%.*s\"",
RETVAL,errno,key.dsize,key.dptr);
- /* gdbm_clearerr(db); */
}
+#define gdbm_DELETE(db,key) gdbm_delete(db->dbp,key)
int
gdbm_DELETE(db, key)
GDBM_File db
- datum key
+ datum_key key
-gdatum
+#define gdbm_FIRSTKEY(db) gdbm_firstkey(db->dbp)
+datum_key
gdbm_FIRSTKEY(db)
GDBM_File db
-gdatum
+#define gdbm_NEXTKEY(db,key) gdbm_nextkey(db->dbp,key)
+datum_key
gdbm_NEXTKEY(db, key)
GDBM_File db
- datum key
+ datum_key key
+#define gdbm_reorganize(db) gdbm_reorganize(db->dbp)
int
gdbm_reorganize(db)
GDBM_File db
+
+#define gdbm_sync(db) gdbm_sync(db->dbp)
+void
+gdbm_sync(db)
+ GDBM_File db
+
+#define gdbm_EXISTS(db,key) gdbm_exists(db->dbp,key)
+int
+gdbm_EXISTS(db, key)
+ GDBM_File db
+ datum_key key
+
+#define gdbm_setopt(db,optflag, optval, optlen) gdbm_setopt(db->dbp,optflag, optval, optlen)
+int
+gdbm_setopt (db, optflag, optval, optlen)
+ GDBM_File db
+ int optflag
+ int &optval
+ int optlen
+
+
+SV *
+filter_fetch_key(db, code)
+ GDBM_File db
+ SV * code
+ SV * RETVAL = &PL_sv_undef ;
+ CODE:
+ DBM_setFilter(db->filter_fetch_key, code) ;
+
+SV *
+filter_store_key(db, code)
+ GDBM_File db
+ SV * code
+ SV * RETVAL = &PL_sv_undef ;
+ CODE:
+ DBM_setFilter(db->filter_store_key, code) ;
+
+SV *
+filter_fetch_value(db, code)
+ GDBM_File db
+ SV * code
+ SV * RETVAL = &PL_sv_undef ;
+ CODE:
+ DBM_setFilter(db->filter_fetch_value, code) ;
+
+SV *
+filter_store_value(db, code)
+ GDBM_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