Commit | Line | Data |
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a0d0e21e LW |
1 | #include "EXTERN.h" |
2 | #include "perl.h" | |
3 | #include "XSUB.h" | |
4 | ||
5 | #include <gdbm.h> | |
6 | #include <fcntl.h> | |
7 | ||
a4051d29 NC |
8 | #define fetch_key 0 |
9 | #define store_key 1 | |
10 | #define fetch_value 2 | |
11 | #define store_value 3 | |
12 | ||
9fe6733a PM |
13 | typedef struct { |
14 | GDBM_FILE dbp ; | |
a4051d29 | 15 | SV * filter[4]; |
9fe6733a PM |
16 | int filtering ; |
17 | } GDBM_File_type; | |
18 | ||
19 | typedef GDBM_File_type * GDBM_File ; | |
20 | typedef datum datum_key ; | |
21 | typedef datum datum_value ; | |
0bf2e707 | 22 | typedef datum datum_key_copy; |
9fe6733a | 23 | |
9fe6733a | 24 | #define GDBM_BLOCKSIZE 0 /* gdbm defaults to stat blocksize */ |
a0d0e21e | 25 | |
12f917ad | 26 | typedef void (*FATALFUNC)(); |
a0d0e21e | 27 | |
8063af02 | 28 | #ifndef GDBM_FAST |
a0d0e21e | 29 | static int |
f0f333f4 | 30 | not_here(char *s) |
a0d0e21e LW |
31 | { |
32 | croak("GDBM_File::%s not implemented on this architecture", s); | |
33 | return -1; | |
34 | } | |
8063af02 | 35 | #endif |
a0d0e21e | 36 | |
097d66a9 GS |
37 | /* GDBM allocates the datum with system malloc() and expects the user |
38 | * to free() it. So we either have to free() it immediately, or have | |
39 | * perl free() it when it deallocates the SV, depending on whether | |
40 | * perl uses malloc()/free() or not. */ | |
41 | static void | |
caa0600b | 42 | output_datum(pTHX_ SV *arg, char *str, int size) |
097d66a9 | 43 | { |
097d66a9 | 44 | sv_setpvn(arg, str, size); |
e46b65ad | 45 | # undef free |
77b7876f | 46 | free(str); |
097d66a9 GS |
47 | } |
48 | ||
e50aee73 AD |
49 | /* Versions of gdbm prior to 1.7x might not have the gdbm_sync, |
50 | gdbm_exists, and gdbm_setopt functions. Apparently Slackware | |
51 | (Linux) 2.1 contains gdbm-1.5 (which dates back to 1991). | |
52 | */ | |
53 | #ifndef GDBM_FAST | |
54 | #define gdbm_exists(db,key) not_here("gdbm_exists") | |
55 | #define gdbm_sync(db) (void) not_here("gdbm_sync") | |
56 | #define gdbm_setopt(db,optflag,optval,optlen) not_here("gdbm_setopt") | |
57 | #endif | |
58 | ||
1cb0fb50 | 59 | #include "const-c.inc" |
a0d0e21e LW |
60 | |
61 | MODULE = GDBM_File PACKAGE = GDBM_File PREFIX = gdbm_ | |
62 | ||
1cb0fb50 | 63 | INCLUDE: const-xs.inc |
a0d0e21e LW |
64 | |
65 | GDBM_File | |
66 | gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func = (FATALFUNC)croak) | |
67 | char * dbtype | |
68 | char * name | |
69 | int read_write | |
70 | int mode | |
71 | FATALFUNC fatal_func | |
9fe6733a PM |
72 | CODE: |
73 | { | |
74 | GDBM_FILE dbp ; | |
a0d0e21e | 75 | |
9fe6733a | 76 | RETVAL = NULL ; |
8063af02 | 77 | if ((dbp = gdbm_open(name, GDBM_BLOCKSIZE, read_write, mode, fatal_func))) { |
a5c6857c | 78 | RETVAL = (GDBM_File)safecalloc(1, sizeof(GDBM_File_type)) ; |
9fe6733a PM |
79 | RETVAL->dbp = dbp ; |
80 | } | |
81 | ||
82 | } | |
83 | OUTPUT: | |
84 | RETVAL | |
85 | ||
86 | ||
87 | #define gdbm_close(db) gdbm_close(db->dbp) | |
a0d0e21e LW |
88 | void |
89 | gdbm_close(db) | |
90 | GDBM_File db | |
91 | CLEANUP: | |
92 | ||
93 | void | |
94 | gdbm_DESTROY(db) | |
95 | GDBM_File db | |
a4051d29 NC |
96 | PREINIT: |
97 | int i = store_value; | |
a0d0e21e LW |
98 | CODE: |
99 | gdbm_close(db); | |
a4051d29 NC |
100 | do { |
101 | if (db->filter[i]) | |
102 | SvREFCNT_dec(db->filter[i]); | |
103 | } while (i-- > 0); | |
eb99164f | 104 | safefree(db); |
a0d0e21e | 105 | |
9fe6733a PM |
106 | #define gdbm_FETCH(db,key) gdbm_fetch(db->dbp,key) |
107 | datum_value | |
a0d0e21e LW |
108 | gdbm_FETCH(db, key) |
109 | GDBM_File db | |
0bf2e707 | 110 | datum_key_copy key |
a0d0e21e | 111 | |
9fe6733a | 112 | #define gdbm_STORE(db,key,value,flags) gdbm_store(db->dbp,key,value,flags) |
a0d0e21e LW |
113 | int |
114 | gdbm_STORE(db, key, value, flags = GDBM_REPLACE) | |
115 | GDBM_File db | |
9fe6733a PM |
116 | datum_key key |
117 | datum_value value | |
a0d0e21e LW |
118 | int flags |
119 | CLEANUP: | |
120 | if (RETVAL) { | |
121 | if (RETVAL < 0 && errno == EPERM) | |
122 | croak("No write permission to gdbm file"); | |
748a9306 | 123 | croak("gdbm store returned %d, errno %d, key \"%.*s\"", |
a0d0e21e | 124 | RETVAL,errno,key.dsize,key.dptr); |
a0d0e21e LW |
125 | } |
126 | ||
9fe6733a | 127 | #define gdbm_DELETE(db,key) gdbm_delete(db->dbp,key) |
a0d0e21e LW |
128 | int |
129 | gdbm_DELETE(db, key) | |
130 | GDBM_File db | |
9fe6733a | 131 | datum_key key |
a0d0e21e | 132 | |
9fe6733a PM |
133 | #define gdbm_FIRSTKEY(db) gdbm_firstkey(db->dbp) |
134 | datum_key | |
a0d0e21e LW |
135 | gdbm_FIRSTKEY(db) |
136 | GDBM_File db | |
137 | ||
9fe6733a PM |
138 | #define gdbm_NEXTKEY(db,key) gdbm_nextkey(db->dbp,key) |
139 | datum_key | |
a0d0e21e LW |
140 | gdbm_NEXTKEY(db, key) |
141 | GDBM_File db | |
0bf2e707 | 142 | datum_key key |
a0d0e21e | 143 | |
9fe6733a | 144 | #define gdbm_reorganize(db) gdbm_reorganize(db->dbp) |
a0d0e21e LW |
145 | int |
146 | gdbm_reorganize(db) | |
147 | GDBM_File db | |
148 | ||
3b35bae3 | 149 | |
9fe6733a | 150 | #define gdbm_sync(db) gdbm_sync(db->dbp) |
3b35bae3 AD |
151 | void |
152 | gdbm_sync(db) | |
153 | GDBM_File db | |
154 | ||
9fe6733a | 155 | #define gdbm_EXISTS(db,key) gdbm_exists(db->dbp,key) |
3b35bae3 | 156 | int |
c07a80fd | 157 | gdbm_EXISTS(db, key) |
3b35bae3 | 158 | GDBM_File db |
9fe6733a | 159 | datum_key key |
3b35bae3 | 160 | |
9fe6733a | 161 | #define gdbm_setopt(db,optflag, optval, optlen) gdbm_setopt(db->dbp,optflag, optval, optlen) |
3b35bae3 AD |
162 | int |
163 | gdbm_setopt (db, optflag, optval, optlen) | |
164 | GDBM_File db | |
165 | int optflag | |
166 | int &optval | |
167 | int optlen | |
168 | ||
9fe6733a | 169 | |
9fe6733a PM |
170 | SV * |
171 | filter_fetch_key(db, code) | |
172 | GDBM_File db | |
173 | SV * code | |
174 | SV * RETVAL = &PL_sv_undef ; | |
a4051d29 NC |
175 | ALIAS: |
176 | GDBM_File::filter_fetch_key = fetch_key | |
177 | GDBM_File::filter_store_key = store_key | |
178 | GDBM_File::filter_fetch_value = fetch_value | |
179 | GDBM_File::filter_store_value = store_value | |
9fe6733a | 180 | CODE: |
a4051d29 | 181 | DBM_setFilter(db->filter[ix], code); |