6 #undef NULL /* XXX Why? */
12 # include <rpcsvc/dbm.h>
16 #ifdef DBM_BUG_DUPLICATE_FREE
18 * DBM on at least Ultrix and HPUX call dbmclose() from dbminit(),
19 * resulting in duplicate free() because dbmclose() does *not*
20 * check if it has already been called for this DBM.
21 * If some malloc/free calls have been done between dbmclose() and
22 * the next dbminit(), the memory might be used for something else when
24 * Verified to work on ultrix4.3. Probably will work on HP/UX.
25 * Set DBM_BUG_DUPLICATE_FREE in the extension hint file.
27 /* Close the previous dbm, and fail to open a new dbm */
28 #define dbmclose() ((void) dbminit("/tmp/x/y/z/z/y"))
35 SV * filter_fetch_key ;
36 SV * filter_store_key ;
37 SV * filter_fetch_value ;
38 SV * filter_store_value ;
42 typedef ODBM_File_type * ODBM_File ;
43 typedef datum datum_key ;
44 typedef datum datum_value ;
46 #define ckFilter(arg,type,name) \
49 /* printf("filtering %s\n", name) ;*/ \
51 croak("recursion detected in %s", name) ; \
52 db->filtering = TRUE ; \
53 save_defsv = newSVsv(DEFSV) ; \
54 sv_setsv(DEFSV, arg) ; \
56 (void) perl_call_sv(db->type, G_DISCARD|G_NOARGS); \
57 sv_setsv(arg, DEFSV) ; \
58 sv_setsv(DEFSV, save_defsv) ; \
59 SvREFCNT_dec(save_defsv) ; \
60 db->filtering = FALSE ; \
61 /*printf("end of filtering %s\n", name) ;*/ \
65 #define odbm_FETCH(db,key) fetch(key)
66 #define odbm_STORE(db,key,value,flags) store(key,value)
67 #define odbm_DELETE(db,key) delete(key)
68 #define odbm_FIRSTKEY(db) firstkey()
69 #define odbm_NEXTKEY(db,key) nextkey(key)
77 MODULE = ODBM_File PACKAGE = ODBM_File PREFIX = odbm_
84 odbm_TIEHASH(dbtype, filename, flags, mode)
94 croak("Old dbm can only open one database");
95 New(0, tmpbuf, strlen(filename) + 5, char);
97 sprintf(tmpbuf,"%s.dir",filename);
98 if (stat(tmpbuf, &PL_statbuf) < 0) {
99 if (flags & O_CREAT) {
100 if (mode < 0 || close(creat(tmpbuf,mode)) < 0)
101 croak("ODBM_File: Can't create %s", filename);
102 sprintf(tmpbuf,"%s.pag",filename);
103 if (close(creat(tmpbuf,mode)) < 0)
104 croak("ODBM_File: Can't create %s", filename);
107 croak("ODBM_FILE: Can't open %s", filename);
109 dbp = (void*)(dbminit(filename) >= 0 ? &dbmrefcnt : 0);
110 RETVAL = (ODBM_File)safemalloc(sizeof(ODBM_File_type)) ;
111 Zero(RETVAL, 1, ODBM_File_type) ;
113 ST(0) = sv_mortalcopy(&PL_sv_undef);
114 sv_setptrobj(ST(0), PTR_CAST RETVAL, dbtype);
130 odbm_STORE(db, key, value, flags = DBM_REPLACE)
137 if (RETVAL < 0 && errno == EPERM)
138 croak("No write permission to odbm file");
139 croak("odbm store returned %d, errno %d, key \"%s\"",
140 RETVAL,errno,key.dptr);
153 odbm_NEXTKEY(db, key)
158 #define setFilter(type) \
161 RETVAL = sv_mortalcopy(db->type) ; \
163 if (db->type && (code == &PL_sv_undef)) { \
164 SvREFCNT_dec(db->type) ; \
165 db->type = Nullsv ; \
169 sv_setsv(db->type, code) ; \
171 db->type = newSVsv(code) ; \
178 filter_fetch_key(db, code)
181 SV * RETVAL = &PL_sv_undef ;
183 setFilter(filter_fetch_key) ;
186 filter_store_key(db, code)
189 SV * RETVAL = &PL_sv_undef ;
191 setFilter(filter_store_key) ;
194 filter_fetch_value(db, code)
197 SV * RETVAL = &PL_sv_undef ;
199 setFilter(filter_fetch_value) ;
202 filter_store_value(db, code)
205 SV * RETVAL = &PL_sv_undef ;
207 setFilter(filter_store_value) ;