10 SV * filter_fetch_key ;
11 SV * filter_store_key ;
12 SV * filter_fetch_value ;
13 SV * filter_store_value ;
17 typedef GDBM_File_type * GDBM_File ;
18 typedef datum datum_key ;
19 typedef datum datum_value ;
20 typedef datum datum_key_copy;
22 #define ckFilter(arg,type,name) \
25 /* printf("filtering %s\n", name) ;*/ \
27 croak("recursion detected in %s", name) ; \
28 db->filtering = TRUE ; \
29 save_defsv = newSVsv(DEFSV) ; \
30 sv_setsv(DEFSV, arg) ; \
32 (void) perl_call_sv(db->type, G_DISCARD|G_NOARGS); \
33 sv_setsv(arg, DEFSV) ; \
34 sv_setsv(DEFSV, save_defsv) ; \
35 SvREFCNT_dec(save_defsv) ; \
36 db->filtering = FALSE ; \
37 /*printf("end of filtering %s\n", name) ;*/ \
42 #define GDBM_BLOCKSIZE 0 /* gdbm defaults to stat blocksize */
44 typedef void (*FATALFUNC)();
50 croak("GDBM_File::%s not implemented on this architecture", s);
55 /* GDBM allocates the datum with system malloc() and expects the user
56 * to free() it. So we either have to free() it immediately, or have
57 * perl free() it when it deallocates the SV, depending on whether
58 * perl uses malloc()/free() or not. */
60 output_datum(pTHX_ SV *arg, char *str, int size)
62 #if (!defined(MYMALLOC) || (defined(MYMALLOC) && defined(PERL_POLLUTE_MALLOC))) && !defined(LEAKTEST)
63 sv_usepvn(arg, str, size);
65 sv_setpvn(arg, str, size);
70 /* Versions of gdbm prior to 1.7x might not have the gdbm_sync,
71 gdbm_exists, and gdbm_setopt functions. Apparently Slackware
72 (Linux) 2.1 contains gdbm-1.5 (which dates back to 1991).
75 #define gdbm_exists(db,key) not_here("gdbm_exists")
76 #define gdbm_sync(db) (void) not_here("gdbm_sync")
77 #define gdbm_setopt(db,optflag,optval,optlen) not_here("gdbm_setopt")
80 #include "constants.c"
82 MODULE = GDBM_File PACKAGE = GDBM_File PREFIX = gdbm_
87 gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func = (FATALFUNC)croak)
98 if ((dbp = gdbm_open(name, GDBM_BLOCKSIZE, read_write, mode, fatal_func))) {
99 RETVAL = (GDBM_File)safemalloc(sizeof(GDBM_File_type)) ;
100 Zero(RETVAL, 1, GDBM_File_type) ;
109 #define gdbm_close(db) gdbm_close(db->dbp)
122 #define gdbm_FETCH(db,key) gdbm_fetch(db->dbp,key)
128 #define gdbm_STORE(db,key,value,flags) gdbm_store(db->dbp,key,value,flags)
130 gdbm_STORE(db, key, value, flags = GDBM_REPLACE)
137 if (RETVAL < 0 && errno == EPERM)
138 croak("No write permission to gdbm file");
139 croak("gdbm store returned %d, errno %d, key \"%.*s\"",
140 RETVAL,errno,key.dsize,key.dptr);
143 #define gdbm_DELETE(db,key) gdbm_delete(db->dbp,key)
149 #define gdbm_FIRSTKEY(db) gdbm_firstkey(db->dbp)
154 #define gdbm_NEXTKEY(db,key) gdbm_nextkey(db->dbp,key)
156 gdbm_NEXTKEY(db, key)
160 #define gdbm_reorganize(db) gdbm_reorganize(db->dbp)
166 #define gdbm_sync(db) gdbm_sync(db->dbp)
171 #define gdbm_EXISTS(db,key) gdbm_exists(db->dbp,key)
177 #define gdbm_setopt(db,optflag, optval, optlen) gdbm_setopt(db->dbp,optflag, optval, optlen)
179 gdbm_setopt (db, optflag, optval, optlen)
186 #define setFilter(type) \
189 RETVAL = sv_mortalcopy(db->type) ; \
191 if (db->type && (code == &PL_sv_undef)) { \
192 SvREFCNT_dec(db->type) ; \
197 sv_setsv(db->type, code) ; \
199 db->type = newSVsv(code) ; \
206 filter_fetch_key(db, code)
209 SV * RETVAL = &PL_sv_undef ;
211 setFilter(filter_fetch_key) ;
214 filter_store_key(db, code)
217 SV * RETVAL = &PL_sv_undef ;
219 setFilter(filter_store_key) ;
222 filter_fetch_value(db, code)
225 SV * RETVAL = &PL_sv_undef ;
227 setFilter(filter_fetch_value) ;
230 filter_store_value(db, code)
233 SV * RETVAL = &PL_sv_undef ;
235 setFilter(filter_store_value) ;