Commit | Line | Data |
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a0d0e21e LW |
1 | #include "EXTERN.h" |
2 | #include "perl.h" | |
3 | #include "XSUB.h" | |
4 | #include <ndbm.h> | |
5 | ||
9fe6733a PM |
6 | typedef struct { |
7 | DBM * dbp ; | |
8 | SV * filter_fetch_key ; | |
9 | SV * filter_store_key ; | |
10 | SV * filter_fetch_value ; | |
11 | SV * filter_store_value ; | |
12 | int filtering ; | |
13 | } NDBM_File_type; | |
14 | ||
15 | typedef NDBM_File_type * NDBM_File ; | |
16 | typedef datum datum_key ; | |
17 | typedef datum datum_value ; | |
18 | ||
19 | #define ckFilter(arg,type,name) \ | |
20 | if (db->type) { \ | |
21 | SV * save_defsv ; \ | |
22 | /* printf("filtering %s\n", name) ;*/ \ | |
23 | if (db->filtering) \ | |
24 | croak("recursion detected in %s", name) ; \ | |
25 | db->filtering = TRUE ; \ | |
26 | save_defsv = newSVsv(DEFSV) ; \ | |
27 | sv_setsv(DEFSV, arg) ; \ | |
28 | PUSHMARK(sp) ; \ | |
29 | (void) perl_call_sv(db->type, G_DISCARD|G_NOARGS); \ | |
30 | sv_setsv(arg, DEFSV) ; \ | |
31 | sv_setsv(DEFSV, save_defsv) ; \ | |
32 | SvREFCNT_dec(save_defsv) ; \ | |
33 | db->filtering = FALSE ; \ | |
34 | /*printf("end of filtering %s\n", name) ;*/ \ | |
35 | } | |
36 | ||
a0d0e21e LW |
37 | |
38 | MODULE = NDBM_File PACKAGE = NDBM_File PREFIX = dbm_ | |
39 | ||
40 | NDBM_File | |
41 | dbm_TIEHASH(dbtype, filename, flags, mode) | |
42 | char * dbtype | |
43 | char * filename | |
44 | int flags | |
45 | int mode | |
9fe6733a PM |
46 | CODE: |
47 | { | |
48 | DBM * dbp ; | |
49 | ||
50 | RETVAL = NULL ; | |
51 | if (dbp = dbm_open(filename, flags, mode)) { | |
52 | RETVAL = (NDBM_File)safemalloc(sizeof(NDBM_File_type)) ; | |
53 | Zero(RETVAL, 1, NDBM_File_type) ; | |
54 | RETVAL->dbp = dbp ; | |
55 | } | |
56 | ||
57 | } | |
58 | OUTPUT: | |
59 | RETVAL | |
a0d0e21e LW |
60 | |
61 | void | |
62 | dbm_DESTROY(db) | |
63 | NDBM_File db | |
64 | CODE: | |
9fe6733a | 65 | dbm_close(db->dbp); |
a0d0e21e | 66 | |
9fe6733a PM |
67 | #define dbm_FETCH(db,key) dbm_fetch(db->dbp,key) |
68 | datum_value | |
a0d0e21e LW |
69 | dbm_FETCH(db, key) |
70 | NDBM_File db | |
9fe6733a | 71 | datum_key key |
a0d0e21e | 72 | |
9fe6733a | 73 | #define dbm_STORE(db,key,value,flags) dbm_store(db->dbp,key,value,flags) |
a0d0e21e LW |
74 | int |
75 | dbm_STORE(db, key, value, flags = DBM_REPLACE) | |
76 | NDBM_File db | |
9fe6733a PM |
77 | datum_key key |
78 | datum_value value | |
a0d0e21e LW |
79 | int flags |
80 | CLEANUP: | |
81 | if (RETVAL) { | |
82 | if (RETVAL < 0 && errno == EPERM) | |
83 | croak("No write permission to ndbm file"); | |
748a9306 | 84 | croak("ndbm store returned %d, errno %d, key \"%s\"", |
a0d0e21e | 85 | RETVAL,errno,key.dptr); |
9fe6733a | 86 | dbm_clearerr(db->dbp); |
a0d0e21e LW |
87 | } |
88 | ||
9fe6733a | 89 | #define dbm_DELETE(db,key) dbm_delete(db->dbp,key) |
a0d0e21e LW |
90 | int |
91 | dbm_DELETE(db, key) | |
92 | NDBM_File db | |
9fe6733a | 93 | datum_key key |
a0d0e21e | 94 | |
9fe6733a PM |
95 | #define dbm_FIRSTKEY(db) dbm_firstkey(db->dbp) |
96 | datum_key | |
a0d0e21e LW |
97 | dbm_FIRSTKEY(db) |
98 | NDBM_File db | |
99 | ||
9fe6733a PM |
100 | #define dbm_NEXTKEY(db,key) dbm_nextkey(db->dbp) |
101 | datum_key | |
a0d0e21e LW |
102 | dbm_NEXTKEY(db, key) |
103 | NDBM_File db | |
9fe6733a | 104 | datum_key key |
a0d0e21e | 105 | |
9fe6733a | 106 | #define dbm_error(db) dbm_error(db->dbp) |
a0d0e21e LW |
107 | int |
108 | dbm_error(db) | |
109 | NDBM_File db | |
110 | ||
9fe6733a | 111 | #define dbm_clearerr(db) dbm_clearerr(db->dbp) |
a0d0e21e LW |
112 | void |
113 | dbm_clearerr(db) | |
114 | NDBM_File db | |
115 | ||
9fe6733a PM |
116 | |
117 | #define setFilter(type) \ | |
118 | { \ | |
119 | if (db->type) \ | |
120 | RETVAL = newSVsv(db->type) ; \ | |
121 | if (db->type && (code == &PL_sv_undef)) { \ | |
122 | SvREFCNT_dec(db->type) ; \ | |
123 | db->type = NULL ; \ | |
124 | } \ | |
125 | else if (code) { \ | |
126 | if (db->type) \ | |
127 | sv_setsv(db->type, code) ; \ | |
128 | else \ | |
129 | db->type = newSVsv(code) ; \ | |
130 | } \ | |
131 | } | |
132 | ||
133 | ||
134 | ||
135 | SV * | |
136 | filter_fetch_key(db, code) | |
137 | NDBM_File db | |
138 | SV * code | |
139 | SV * RETVAL = &PL_sv_undef ; | |
140 | CODE: | |
141 | setFilter(filter_fetch_key) ; | |
142 | OUTPUT: | |
143 | RETVAL | |
144 | ||
145 | SV * | |
146 | filter_store_key(db, code) | |
147 | NDBM_File db | |
148 | SV * code | |
149 | SV * RETVAL = &PL_sv_undef ; | |
150 | CODE: | |
151 | setFilter(filter_store_key) ; | |
152 | OUTPUT: | |
153 | RETVAL | |
154 | ||
155 | SV * | |
156 | filter_fetch_value(db, code) | |
157 | NDBM_File db | |
158 | SV * code | |
159 | SV * RETVAL = &PL_sv_undef ; | |
160 | CODE: | |
161 | setFilter(filter_fetch_value) ; | |
162 | OUTPUT: | |
163 | RETVAL | |
164 | ||
165 | SV * | |
166 | filter_store_value(db, code) | |
167 | NDBM_File db | |
168 | SV * code | |
169 | SV * RETVAL = &PL_sv_undef ; | |
170 | CODE: | |
171 | setFilter(filter_store_value) ; | |
172 | OUTPUT: | |
173 | RETVAL | |
174 |