9 # include <rpcsvc/dbm.h>
13 #ifdef DBM_BUG_DUPLICATE_FREE
15 * DBM on at least Ultrix and HPUX call dbmclose() from dbminit(),
16 * resulting in duplicate free() because dbmclose() does *not*
17 * check if it has already been called for this DBM.
18 * If some malloc/free calls have been done between dbmclose() and
19 * the next dbminit(), the memory might be used for something else when
21 * Verified to work on ultrix4.3. Probably will work on HP/UX.
22 * Set DBM_BUG_DUPLICATE_FREE in the extension hint file.
24 /* Close the previous dbm, and fail to open a new dbm */
25 #define dbmclose() ((void) dbminit("/tmp/x/y/z/z/y"))
32 SV * filter_fetch_key ;
33 SV * filter_store_key ;
34 SV * filter_fetch_value ;
35 SV * filter_store_value ;
39 typedef ODBM_File_type * ODBM_File ;
40 typedef datum datum_key ;
41 typedef datum datum_value ;
43 #define ckFilter(arg,type,name) \
46 /* printf("filtering %s\n", name) ;*/ \
48 croak("recursion detected in %s", name) ; \
49 db->filtering = TRUE ; \
50 save_defsv = newSVsv(DEFSV) ; \
51 sv_setsv(DEFSV, arg) ; \
53 (void) perl_call_sv(db->type, G_DISCARD|G_NOARGS); \
54 sv_setsv(arg, DEFSV) ; \
55 sv_setsv(DEFSV, save_defsv) ; \
56 SvREFCNT_dec(save_defsv) ; \
57 db->filtering = FALSE ; \
58 /*printf("end of filtering %s\n", name) ;*/ \
62 #define odbm_FETCH(db,key) fetch(key)
63 #define odbm_STORE(db,key,value,flags) store(key,value)
64 #define odbm_DELETE(db,key) delete(key)
65 #define odbm_FIRSTKEY(db) firstkey()
66 #define odbm_NEXTKEY(db,key) nextkey(key)
74 MODULE = ODBM_File PACKAGE = ODBM_File PREFIX = odbm_
77 odbm_TIEHASH(dbtype, filename, flags, mode)
87 croak("Old dbm can only open one database");
88 New(0, tmpbuf, strlen(filename) + 5, char);
90 sprintf(tmpbuf,"%s.dir",filename);
91 if (stat(tmpbuf, &PL_statbuf) < 0) {
92 if (flags & O_CREAT) {
93 if (mode < 0 || close(creat(tmpbuf,mode)) < 0)
94 croak("ODBM_File: Can't create %s", filename);
95 sprintf(tmpbuf,"%s.pag",filename);
96 if (close(creat(tmpbuf,mode)) < 0)
97 croak("ODBM_File: Can't create %s", filename);
100 croak("ODBM_FILE: Can't open %s", filename);
102 dbp = (void*)(dbminit(filename) >= 0 ? &dbmrefcnt : 0);
103 RETVAL = (ODBM_File)safemalloc(sizeof(ODBM_File_type)) ;
104 Zero(RETVAL, 1, ODBM_File_type) ;
106 ST(0) = sv_mortalcopy(&PL_sv_undef);
107 sv_setptrobj(ST(0), RETVAL, dbtype);
124 odbm_STORE(db, key, value, flags = DBM_REPLACE)
131 if (RETVAL < 0 && errno == EPERM)
132 croak("No write permission to odbm file");
133 croak("odbm store returned %d, errno %d, key \"%s\"",
134 RETVAL,errno,key.dptr);
147 odbm_NEXTKEY(db, key)
152 #define setFilter(type) \
155 RETVAL = sv_mortalcopy(db->type) ; \
157 if (db->type && (code == &PL_sv_undef)) { \
158 SvREFCNT_dec(db->type) ; \
159 db->type = Nullsv ; \
163 sv_setsv(db->type, code) ; \
165 db->type = newSVsv(code) ; \
172 filter_fetch_key(db, code)
175 SV * RETVAL = &PL_sv_undef ;
177 setFilter(filter_fetch_key) ;
180 filter_store_key(db, code)
183 SV * RETVAL = &PL_sv_undef ;
185 setFilter(filter_store_key) ;
188 filter_fetch_value(db, code)
191 SV * RETVAL = &PL_sv_undef ;
193 setFilter(filter_fetch_value) ;
196 filter_store_value(db, code)
199 SV * RETVAL = &PL_sv_undef ;
201 setFilter(filter_store_value) ;