Commit | Line | Data |
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c5be433b | 1 | #define PERL_NO_GET_CONTEXT |
a0d0e21e LW |
2 | #include "EXTERN.h" |
3 | #include "perl.h" | |
4 | #include "XSUB.h" | |
5 | #include "sdbm/sdbm.h" | |
6 | ||
9fe6733a PM |
7 | typedef struct { |
8 | DBM * dbp ; | |
9 | SV * filter_fetch_key ; | |
10 | SV * filter_store_key ; | |
11 | SV * filter_fetch_value ; | |
12 | SV * filter_store_value ; | |
13 | int filtering ; | |
14 | } SDBM_File_type; | |
15 | ||
16 | typedef SDBM_File_type * SDBM_File ; | |
17 | typedef datum datum_key ; | |
18 | typedef datum datum_value ; | |
19 | ||
20 | #define ckFilter(arg,type,name) \ | |
21 | if (db->type) { \ | |
22 | SV * save_defsv ; \ | |
23 | /* printf("filtering %s\n", name) ;*/ \ | |
24 | if (db->filtering) \ | |
25 | croak("recursion detected in %s", name) ; \ | |
26 | db->filtering = TRUE ; \ | |
9fe6733a PM |
27 | save_defsv = newSVsv(DEFSV) ; \ |
28 | sv_setsv(DEFSV, arg) ; \ | |
29 | PUSHMARK(sp) ; \ | |
30 | (void) perl_call_sv(db->type, G_DISCARD|G_NOARGS); \ | |
9fe6733a PM |
31 | sv_setsv(arg, DEFSV) ; \ |
32 | sv_setsv(DEFSV, save_defsv) ; \ | |
33 | SvREFCNT_dec(save_defsv) ; \ | |
9fe6733a PM |
34 | db->filtering = FALSE ; \ |
35 | /*printf("end of filtering %s\n", name) ;*/ \ | |
36 | } | |
37 | ||
a0d0e21e | 38 | #define sdbm_TIEHASH(dbtype,filename,flags,mode) sdbm_open(filename,flags,mode) |
9fe6733a PM |
39 | #define sdbm_FETCH(db,key) sdbm_fetch(db->dbp,key) |
40 | #define sdbm_STORE(db,key,value,flags) sdbm_store(db->dbp,key,value,flags) | |
41 | #define sdbm_DELETE(db,key) sdbm_delete(db->dbp,key) | |
42 | #define sdbm_EXISTS(db,key) sdbm_exists(db->dbp,key) | |
43 | #define sdbm_FIRSTKEY(db) sdbm_firstkey(db->dbp) | |
44 | #define sdbm_NEXTKEY(db,key) sdbm_nextkey(db->dbp) | |
a0d0e21e LW |
45 | |
46 | ||
47 | MODULE = SDBM_File PACKAGE = SDBM_File PREFIX = sdbm_ | |
48 | ||
49 | SDBM_File | |
50 | sdbm_TIEHASH(dbtype, filename, flags, mode) | |
51 | char * dbtype | |
52 | char * filename | |
53 | int flags | |
54 | int mode | |
9fe6733a PM |
55 | CODE: |
56 | { | |
57 | DBM * dbp ; | |
58 | ||
59 | RETVAL = NULL ; | |
8063af02 | 60 | if ((dbp = sdbm_open(filename,flags,mode))) { |
9fe6733a PM |
61 | RETVAL = (SDBM_File)safemalloc(sizeof(SDBM_File_type)) ; |
62 | Zero(RETVAL, 1, SDBM_File_type) ; | |
63 | RETVAL->dbp = dbp ; | |
64 | } | |
65 | ||
66 | } | |
67 | OUTPUT: | |
68 | RETVAL | |
a0d0e21e LW |
69 | |
70 | void | |
71 | sdbm_DESTROY(db) | |
72 | SDBM_File db | |
73 | CODE: | |
9fe6733a PM |
74 | sdbm_close(db->dbp); |
75 | if (db->filter_fetch_key) | |
76 | SvREFCNT_dec(db->filter_fetch_key) ; | |
77 | if (db->filter_store_key) | |
78 | SvREFCNT_dec(db->filter_store_key) ; | |
79 | if (db->filter_fetch_value) | |
80 | SvREFCNT_dec(db->filter_fetch_value) ; | |
81 | if (db->filter_store_value) | |
82 | SvREFCNT_dec(db->filter_store_value) ; | |
eb99164f | 83 | safefree(db) ; |
a0d0e21e | 84 | |
9fe6733a | 85 | datum_value |
a0d0e21e LW |
86 | sdbm_FETCH(db, key) |
87 | SDBM_File db | |
9fe6733a | 88 | datum_key key |
a0d0e21e LW |
89 | |
90 | int | |
91 | sdbm_STORE(db, key, value, flags = DBM_REPLACE) | |
92 | SDBM_File db | |
9fe6733a PM |
93 | datum_key key |
94 | datum_value value | |
a0d0e21e LW |
95 | int flags |
96 | CLEANUP: | |
97 | if (RETVAL) { | |
98 | if (RETVAL < 0 && errno == EPERM) | |
99 | croak("No write permission to sdbm file"); | |
748a9306 | 100 | croak("sdbm store returned %d, errno %d, key \"%s\"", |
a0d0e21e | 101 | RETVAL,errno,key.dptr); |
9fe6733a | 102 | sdbm_clearerr(db->dbp); |
a0d0e21e LW |
103 | } |
104 | ||
105 | int | |
106 | sdbm_DELETE(db, key) | |
107 | SDBM_File db | |
d1a52ffb | 108 | datum_key key |
a0d0e21e | 109 | |
f4b9d880 RA |
110 | int |
111 | sdbm_EXISTS(db,key) | |
112 | SDBM_File db | |
9fe6733a | 113 | datum_key key |
f4b9d880 | 114 | |
9fe6733a | 115 | datum_key |
a0d0e21e LW |
116 | sdbm_FIRSTKEY(db) |
117 | SDBM_File db | |
118 | ||
9fe6733a | 119 | datum_key |
a0d0e21e LW |
120 | sdbm_NEXTKEY(db, key) |
121 | SDBM_File db | |
074a95ad | 122 | datum_key key = key; /* never used - silence picky compilers. */ |
a0d0e21e LW |
123 | |
124 | int | |
125 | sdbm_error(db) | |
126 | SDBM_File db | |
9fe6733a PM |
127 | CODE: |
128 | RETVAL = sdbm_error(db->dbp) ; | |
129 | OUTPUT: | |
130 | RETVAL | |
a0d0e21e LW |
131 | |
132 | int | |
133 | sdbm_clearerr(db) | |
134 | SDBM_File db | |
9fe6733a PM |
135 | CODE: |
136 | RETVAL = sdbm_clearerr(db->dbp) ; | |
137 | OUTPUT: | |
138 | RETVAL | |
139 | ||
140 | ||
141 | #define setFilter(type) \ | |
142 | { \ | |
143 | if (db->type) \ | |
e62f7e43 PM |
144 | RETVAL = sv_mortalcopy(db->type) ; \ |
145 | ST(0) = RETVAL ; \ | |
9fe6733a PM |
146 | if (db->type && (code == &PL_sv_undef)) { \ |
147 | SvREFCNT_dec(db->type) ; \ | |
148 | db->type = NULL ; \ | |
149 | } \ | |
150 | else if (code) { \ | |
151 | if (db->type) \ | |
152 | sv_setsv(db->type, code) ; \ | |
153 | else \ | |
154 | db->type = newSVsv(code) ; \ | |
155 | } \ | |
156 | } | |
157 | ||
158 | ||
159 | ||
160 | SV * | |
161 | filter_fetch_key(db, code) | |
162 | SDBM_File db | |
163 | SV * code | |
164 | SV * RETVAL = &PL_sv_undef ; | |
165 | CODE: | |
166 | setFilter(filter_fetch_key) ; | |
9fe6733a PM |
167 | |
168 | SV * | |
169 | filter_store_key(db, code) | |
170 | SDBM_File db | |
171 | SV * code | |
172 | SV * RETVAL = &PL_sv_undef ; | |
173 | CODE: | |
174 | setFilter(filter_store_key) ; | |
9fe6733a PM |
175 | |
176 | SV * | |
177 | filter_fetch_value(db, code) | |
178 | SDBM_File db | |
179 | SV * code | |
180 | SV * RETVAL = &PL_sv_undef ; | |
181 | CODE: | |
182 | setFilter(filter_fetch_value) ; | |
9fe6733a PM |
183 | |
184 | SV * | |
185 | filter_store_value(db, code) | |
186 | SDBM_File db | |
187 | SV * code | |
188 | SV * RETVAL = &PL_sv_undef ; | |
189 | CODE: | |
190 | setFilter(filter_store_value) ; | |
a0d0e21e | 191 |