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 GDBM_BLOCKSIZE 0 /* gdbm defaults to stat blocksize */
24 typedef void (*FATALFUNC)();
30 croak("GDBM_File::%s not implemented on this architecture", s);
35 /* GDBM allocates the datum with system malloc() and expects the user
36 * to free() it. So we either have to free() it immediately, or have
37 * perl free() it when it deallocates the SV, depending on whether
38 * perl uses malloc()/free() or not. */
40 output_datum(pTHX_ SV *arg, char *str, int size)
42 #if (!defined(MYMALLOC) || (defined(MYMALLOC) && defined(PERL_POLLUTE_MALLOC)))
43 sv_usepvn(arg, str, size);
45 sv_setpvn(arg, str, size);
50 /* Versions of gdbm prior to 1.7x might not have the gdbm_sync,
51 gdbm_exists, and gdbm_setopt functions. Apparently Slackware
52 (Linux) 2.1 contains gdbm-1.5 (which dates back to 1991).
55 #define gdbm_exists(db,key) not_here("gdbm_exists")
56 #define gdbm_sync(db) (void) not_here("gdbm_sync")
57 #define gdbm_setopt(db,optflag,optval,optlen) not_here("gdbm_setopt")
60 #include "const-c.inc"
62 MODULE = GDBM_File PACKAGE = GDBM_File PREFIX = gdbm_
67 gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func = (FATALFUNC)croak)
78 if ((dbp = gdbm_open(name, GDBM_BLOCKSIZE, read_write, mode, fatal_func))) {
79 RETVAL = (GDBM_File)safemalloc(sizeof(GDBM_File_type)) ;
80 Zero(RETVAL, 1, GDBM_File_type) ;
89 #define gdbm_close(db) gdbm_close(db->dbp)
102 #define gdbm_FETCH(db,key) gdbm_fetch(db->dbp,key)
108 #define gdbm_STORE(db,key,value,flags) gdbm_store(db->dbp,key,value,flags)
110 gdbm_STORE(db, key, value, flags = GDBM_REPLACE)
117 if (RETVAL < 0 && errno == EPERM)
118 croak("No write permission to gdbm file");
119 croak("gdbm store returned %d, errno %d, key \"%.*s\"",
120 RETVAL,errno,key.dsize,key.dptr);
123 #define gdbm_DELETE(db,key) gdbm_delete(db->dbp,key)
129 #define gdbm_FIRSTKEY(db) gdbm_firstkey(db->dbp)
134 #define gdbm_NEXTKEY(db,key) gdbm_nextkey(db->dbp,key)
136 gdbm_NEXTKEY(db, key)
140 #define gdbm_reorganize(db) gdbm_reorganize(db->dbp)
146 #define gdbm_sync(db) gdbm_sync(db->dbp)
151 #define gdbm_EXISTS(db,key) gdbm_exists(db->dbp,key)
157 #define gdbm_setopt(db,optflag, optval, optlen) gdbm_setopt(db->dbp,optflag, optval, optlen)
159 gdbm_setopt (db, optflag, optval, optlen)
167 filter_fetch_key(db, code)
170 SV * RETVAL = &PL_sv_undef ;
172 DBM_setFilter(db->filter_fetch_key, code) ;
175 filter_store_key(db, code)
178 SV * RETVAL = &PL_sv_undef ;
180 DBM_setFilter(db->filter_store_key, code) ;
183 filter_fetch_value(db, code)
186 SV * RETVAL = &PL_sv_undef ;
188 DBM_setFilter(db->filter_fetch_value, code) ;
191 filter_store_value(db, code)
194 SV * RETVAL = &PL_sv_undef ;
196 DBM_setFilter(db->filter_store_value, code) ;