Commit | Line | Data |
---|---|---|
c5e332f0 NC |
1 | #define PERL_NO_GET_CONTEXT |
2 | ||
a0d0e21e LW |
3 | #include "EXTERN.h" |
4 | #include "perl.h" | |
5 | #include "XSUB.h" | |
6 | ||
7 | #include <gdbm.h> | |
8 | #include <fcntl.h> | |
9 | ||
a4051d29 NC |
10 | #define fetch_key 0 |
11 | #define store_key 1 | |
12 | #define fetch_value 2 | |
13 | #define store_value 3 | |
14 | ||
9fe6733a PM |
15 | typedef struct { |
16 | GDBM_FILE dbp ; | |
a4051d29 | 17 | SV * filter[4]; |
9fe6733a PM |
18 | int filtering ; |
19 | } GDBM_File_type; | |
20 | ||
21 | typedef GDBM_File_type * GDBM_File ; | |
22 | typedef datum datum_key ; | |
23 | typedef datum datum_value ; | |
0bf2e707 | 24 | typedef datum datum_key_copy; |
9fe6733a | 25 | |
9fe6733a | 26 | #define GDBM_BLOCKSIZE 0 /* gdbm defaults to stat blocksize */ |
a0d0e21e | 27 | |
12f917ad | 28 | typedef void (*FATALFUNC)(); |
a0d0e21e | 29 | |
8063af02 | 30 | #ifndef GDBM_FAST |
a0d0e21e | 31 | static int |
f0f333f4 | 32 | not_here(char *s) |
a0d0e21e LW |
33 | { |
34 | croak("GDBM_File::%s not implemented on this architecture", s); | |
35 | return -1; | |
36 | } | |
8063af02 | 37 | #endif |
a0d0e21e | 38 | |
097d66a9 GS |
39 | /* GDBM allocates the datum with system malloc() and expects the user |
40 | * to free() it. So we either have to free() it immediately, or have | |
41 | * perl free() it when it deallocates the SV, depending on whether | |
42 | * perl uses malloc()/free() or not. */ | |
43 | static void | |
caa0600b | 44 | output_datum(pTHX_ SV *arg, char *str, int size) |
097d66a9 | 45 | { |
097d66a9 | 46 | sv_setpvn(arg, str, size); |
e46b65ad | 47 | # undef free |
77b7876f | 48 | free(str); |
097d66a9 GS |
49 | } |
50 | ||
e50aee73 AD |
51 | /* Versions of gdbm prior to 1.7x might not have the gdbm_sync, |
52 | gdbm_exists, and gdbm_setopt functions. Apparently Slackware | |
53 | (Linux) 2.1 contains gdbm-1.5 (which dates back to 1991). | |
54 | */ | |
55 | #ifndef GDBM_FAST | |
56 | #define gdbm_exists(db,key) not_here("gdbm_exists") | |
57 | #define gdbm_sync(db) (void) not_here("gdbm_sync") | |
58 | #define gdbm_setopt(db,optflag,optval,optlen) not_here("gdbm_setopt") | |
59 | #endif | |
60 | ||
1cb0fb50 | 61 | #include "const-c.inc" |
a0d0e21e LW |
62 | |
63 | MODULE = GDBM_File PACKAGE = GDBM_File PREFIX = gdbm_ | |
64 | ||
1cb0fb50 | 65 | INCLUDE: const-xs.inc |
a0d0e21e LW |
66 | |
67 | GDBM_File | |
68 | gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func = (FATALFUNC)croak) | |
69 | char * dbtype | |
70 | char * name | |
71 | int read_write | |
72 | int mode | |
73 | FATALFUNC fatal_func | |
9fe6733a PM |
74 | CODE: |
75 | { | |
76 | GDBM_FILE dbp ; | |
a0d0e21e | 77 | |
9fe6733a | 78 | RETVAL = NULL ; |
8063af02 | 79 | if ((dbp = gdbm_open(name, GDBM_BLOCKSIZE, read_write, mode, fatal_func))) { |
a5c6857c | 80 | RETVAL = (GDBM_File)safecalloc(1, sizeof(GDBM_File_type)) ; |
9fe6733a PM |
81 | RETVAL->dbp = dbp ; |
82 | } | |
83 | ||
84 | } | |
85 | OUTPUT: | |
86 | RETVAL | |
87 | ||
88 | ||
89 | #define gdbm_close(db) gdbm_close(db->dbp) | |
a0d0e21e LW |
90 | void |
91 | gdbm_close(db) | |
92 | GDBM_File db | |
93 | CLEANUP: | |
94 | ||
95 | void | |
96 | gdbm_DESTROY(db) | |
97 | GDBM_File db | |
a4051d29 NC |
98 | PREINIT: |
99 | int i = store_value; | |
a0d0e21e LW |
100 | CODE: |
101 | gdbm_close(db); | |
a4051d29 NC |
102 | do { |
103 | if (db->filter[i]) | |
104 | SvREFCNT_dec(db->filter[i]); | |
105 | } while (i-- > 0); | |
eb99164f | 106 | safefree(db); |
a0d0e21e | 107 | |
9fe6733a PM |
108 | #define gdbm_FETCH(db,key) gdbm_fetch(db->dbp,key) |
109 | datum_value | |
a0d0e21e LW |
110 | gdbm_FETCH(db, key) |
111 | GDBM_File db | |
0bf2e707 | 112 | datum_key_copy key |
a0d0e21e | 113 | |
9fe6733a | 114 | #define gdbm_STORE(db,key,value,flags) gdbm_store(db->dbp,key,value,flags) |
a0d0e21e LW |
115 | int |
116 | gdbm_STORE(db, key, value, flags = GDBM_REPLACE) | |
117 | GDBM_File db | |
9fe6733a PM |
118 | datum_key key |
119 | datum_value value | |
a0d0e21e LW |
120 | int flags |
121 | CLEANUP: | |
122 | if (RETVAL) { | |
123 | if (RETVAL < 0 && errno == EPERM) | |
124 | croak("No write permission to gdbm file"); | |
748a9306 | 125 | croak("gdbm store returned %d, errno %d, key \"%.*s\"", |
a0d0e21e | 126 | RETVAL,errno,key.dsize,key.dptr); |
a0d0e21e LW |
127 | } |
128 | ||
9fe6733a | 129 | #define gdbm_DELETE(db,key) gdbm_delete(db->dbp,key) |
a0d0e21e LW |
130 | int |
131 | gdbm_DELETE(db, key) | |
132 | GDBM_File db | |
9fe6733a | 133 | datum_key key |
a0d0e21e | 134 | |
9fe6733a PM |
135 | #define gdbm_FIRSTKEY(db) gdbm_firstkey(db->dbp) |
136 | datum_key | |
a0d0e21e LW |
137 | gdbm_FIRSTKEY(db) |
138 | GDBM_File db | |
139 | ||
9fe6733a PM |
140 | #define gdbm_NEXTKEY(db,key) gdbm_nextkey(db->dbp,key) |
141 | datum_key | |
a0d0e21e LW |
142 | gdbm_NEXTKEY(db, key) |
143 | GDBM_File db | |
0bf2e707 | 144 | datum_key key |
a0d0e21e | 145 | |
9fe6733a | 146 | #define gdbm_reorganize(db) gdbm_reorganize(db->dbp) |
a0d0e21e LW |
147 | int |
148 | gdbm_reorganize(db) | |
149 | GDBM_File db | |
150 | ||
3b35bae3 | 151 | |
9fe6733a | 152 | #define gdbm_sync(db) gdbm_sync(db->dbp) |
3b35bae3 AD |
153 | void |
154 | gdbm_sync(db) | |
155 | GDBM_File db | |
156 | ||
9fe6733a | 157 | #define gdbm_EXISTS(db,key) gdbm_exists(db->dbp,key) |
3b35bae3 | 158 | int |
c07a80fd | 159 | gdbm_EXISTS(db, key) |
3b35bae3 | 160 | GDBM_File db |
9fe6733a | 161 | datum_key key |
3b35bae3 | 162 | |
9fe6733a | 163 | #define gdbm_setopt(db,optflag, optval, optlen) gdbm_setopt(db->dbp,optflag, optval, optlen) |
3b35bae3 AD |
164 | int |
165 | gdbm_setopt (db, optflag, optval, optlen) | |
166 | GDBM_File db | |
167 | int optflag | |
168 | int &optval | |
169 | int optlen | |
170 | ||
9fe6733a | 171 | |
9fe6733a PM |
172 | SV * |
173 | filter_fetch_key(db, code) | |
174 | GDBM_File db | |
175 | SV * code | |
176 | SV * RETVAL = &PL_sv_undef ; | |
a4051d29 NC |
177 | ALIAS: |
178 | GDBM_File::filter_fetch_key = fetch_key | |
179 | GDBM_File::filter_store_key = store_key | |
180 | GDBM_File::filter_fetch_value = fetch_value | |
181 | GDBM_File::filter_store_value = store_value | |
9fe6733a | 182 | CODE: |
a4051d29 | 183 | DBM_setFilter(db->filter[ix], code); |