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|---|
| a0d0e21e |
1 | #include "EXTERN.h" |
| 2 | #include "perl.h" |
| 3 | #include "XSUB.h" |
| 4 | |
| 5 | #include <gdbm.h> |
| 6 | #include <fcntl.h> |
| 7 | |
| 8 | typedef GDBM_FILE GDBM_File; |
| 9 | |
| 10 | #define GDBM_BLOCKSIZE 0 /* gdbm defaults to stat blocksize */ |
| 11 | #define gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func) \ |
| 12 | gdbm_open(name, GDBM_BLOCKSIZE, read_write, mode, fatal_func) |
| 13 | |
| 14 | #define gdbm_FETCH(db,key) gdbm_fetch(db,key) |
| 15 | #define gdbm_STORE(db,key,value,flags) gdbm_store(db,key,value,flags) |
| 16 | #define gdbm_DELETE(db,key) gdbm_delete(db,key) |
| 17 | #define gdbm_FIRSTKEY(db) gdbm_firstkey(db) |
| 18 | #define gdbm_NEXTKEY(db,key) gdbm_nextkey(db,key) |
| 4633a7c4 |
19 | #define gdbm_EXISTS(db,key) gdbm_exists(db,key) |
| a0d0e21e |
20 | |
| 21 | typedef datum gdatum; |
| 22 | |
| 23 | typedef void (*FATALFUNC)(); |
| 24 | |
| 25 | static int |
| 26 | not_here(s) |
| 27 | char *s; |
| 28 | { |
| 29 | croak("GDBM_File::%s not implemented on this architecture", s); |
| 30 | return -1; |
| 31 | } |
| 32 | |
| e50aee73 |
33 | /* Versions of gdbm prior to 1.7x might not have the gdbm_sync, |
| 34 | gdbm_exists, and gdbm_setopt functions. Apparently Slackware |
| 35 | (Linux) 2.1 contains gdbm-1.5 (which dates back to 1991). |
| 36 | */ |
| 37 | #ifndef GDBM_FAST |
| 38 | #define gdbm_exists(db,key) not_here("gdbm_exists") |
| 39 | #define gdbm_sync(db) (void) not_here("gdbm_sync") |
| 40 | #define gdbm_setopt(db,optflag,optval,optlen) not_here("gdbm_setopt") |
| 41 | #endif |
| 42 | |
| a0d0e21e |
43 | static double |
| 44 | constant(name, arg) |
| 45 | char *name; |
| 46 | int arg; |
| 47 | { |
| 48 | errno = 0; |
| 49 | switch (*name) { |
| 50 | case 'A': |
| 51 | break; |
| 52 | case 'B': |
| 53 | break; |
| 54 | case 'C': |
| 55 | break; |
| 56 | case 'D': |
| 57 | break; |
| 58 | case 'E': |
| 59 | break; |
| 60 | case 'F': |
| 61 | break; |
| 62 | case 'G': |
| 63 | if (strEQ(name, "GDBM_CACHESIZE")) |
| 64 | #ifdef GDBM_CACHESIZE |
| 65 | return GDBM_CACHESIZE; |
| 66 | #else |
| 67 | goto not_there; |
| 68 | #endif |
| 69 | if (strEQ(name, "GDBM_FAST")) |
| 70 | #ifdef GDBM_FAST |
| 71 | return GDBM_FAST; |
| 72 | #else |
| 73 | goto not_there; |
| 74 | #endif |
| 75 | if (strEQ(name, "GDBM_FASTMODE")) |
| 76 | #ifdef GDBM_FASTMODE |
| 77 | return GDBM_FASTMODE; |
| 78 | #else |
| 79 | goto not_there; |
| 80 | #endif |
| 81 | if (strEQ(name, "GDBM_INSERT")) |
| 82 | #ifdef GDBM_INSERT |
| 83 | return GDBM_INSERT; |
| 84 | #else |
| 85 | goto not_there; |
| 86 | #endif |
| 87 | if (strEQ(name, "GDBM_NEWDB")) |
| 88 | #ifdef GDBM_NEWDB |
| 89 | return GDBM_NEWDB; |
| 90 | #else |
| 91 | goto not_there; |
| 92 | #endif |
| 93 | if (strEQ(name, "GDBM_READER")) |
| 94 | #ifdef GDBM_READER |
| 95 | return GDBM_READER; |
| 96 | #else |
| 97 | goto not_there; |
| 98 | #endif |
| 99 | if (strEQ(name, "GDBM_REPLACE")) |
| 100 | #ifdef GDBM_REPLACE |
| 101 | return GDBM_REPLACE; |
| 102 | #else |
| 103 | goto not_there; |
| 104 | #endif |
| 105 | if (strEQ(name, "GDBM_WRCREAT")) |
| 106 | #ifdef GDBM_WRCREAT |
| 107 | return GDBM_WRCREAT; |
| 108 | #else |
| 109 | goto not_there; |
| 110 | #endif |
| 111 | if (strEQ(name, "GDBM_WRITER")) |
| 112 | #ifdef GDBM_WRITER |
| 113 | return GDBM_WRITER; |
| 114 | #else |
| 115 | goto not_there; |
| 116 | #endif |
| 117 | break; |
| 118 | case 'H': |
| 119 | break; |
| 120 | case 'I': |
| 121 | break; |
| 122 | case 'J': |
| 123 | break; |
| 124 | case 'K': |
| 125 | break; |
| 126 | case 'L': |
| 127 | break; |
| 128 | case 'M': |
| 129 | break; |
| 130 | case 'N': |
| 131 | break; |
| 132 | case 'O': |
| 133 | break; |
| 134 | case 'P': |
| 135 | break; |
| 136 | case 'Q': |
| 137 | break; |
| 138 | case 'R': |
| 139 | break; |
| 140 | case 'S': |
| 141 | break; |
| 142 | case 'T': |
| 143 | break; |
| 144 | case 'U': |
| 145 | break; |
| 146 | case 'V': |
| 147 | break; |
| 148 | case 'W': |
| 149 | break; |
| 150 | case 'X': |
| 151 | break; |
| 152 | case 'Y': |
| 153 | break; |
| 154 | case 'Z': |
| 155 | break; |
| 156 | } |
| 157 | errno = EINVAL; |
| 158 | return 0; |
| 159 | |
| 160 | not_there: |
| 161 | errno = ENOENT; |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | MODULE = GDBM_File PACKAGE = GDBM_File PREFIX = gdbm_ |
| 166 | |
| 167 | double |
| 168 | constant(name,arg) |
| 169 | char * name |
| 170 | int arg |
| 171 | |
| 172 | |
| 173 | GDBM_File |
| 174 | gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func = (FATALFUNC)croak) |
| 175 | char * dbtype |
| 176 | char * name |
| 177 | int read_write |
| 178 | int mode |
| 179 | FATALFUNC fatal_func |
| 180 | |
| 181 | void |
| 182 | gdbm_close(db) |
| 183 | GDBM_File db |
| 184 | CLEANUP: |
| 185 | |
| 186 | void |
| 187 | gdbm_DESTROY(db) |
| 188 | GDBM_File db |
| 189 | CODE: |
| 190 | gdbm_close(db); |
| 191 | |
| 192 | gdatum |
| 193 | gdbm_FETCH(db, key) |
| 194 | GDBM_File db |
| 195 | datum key |
| 196 | |
| 197 | int |
| 198 | gdbm_STORE(db, key, value, flags = GDBM_REPLACE) |
| 199 | GDBM_File db |
| 200 | datum key |
| 201 | datum value |
| 202 | int flags |
| 203 | CLEANUP: |
| 204 | if (RETVAL) { |
| 205 | if (RETVAL < 0 && errno == EPERM) |
| 206 | croak("No write permission to gdbm file"); |
| 748a9306 |
207 | croak("gdbm store returned %d, errno %d, key \"%.*s\"", |
| a0d0e21e |
208 | RETVAL,errno,key.dsize,key.dptr); |
| 209 | /* gdbm_clearerr(db); */ |
| 210 | } |
| 211 | |
| 212 | int |
| 213 | gdbm_DELETE(db, key) |
| 214 | GDBM_File db |
| 215 | datum key |
| 216 | |
| 217 | gdatum |
| 218 | gdbm_FIRSTKEY(db) |
| 219 | GDBM_File db |
| 220 | |
| 221 | gdatum |
| 222 | gdbm_NEXTKEY(db, key) |
| 223 | GDBM_File db |
| 224 | datum key |
| 225 | |
| 226 | int |
| 227 | gdbm_reorganize(db) |
| 228 | GDBM_File db |
| 229 | |
| 3b35bae3 |
230 | |
| 231 | void |
| 232 | gdbm_sync(db) |
| 233 | GDBM_File db |
| 234 | |
| 235 | int |
| c07a80fd |
236 | gdbm_EXISTS(db, key) |
| 3b35bae3 |
237 | GDBM_File db |
| 238 | datum key |
| 239 | |
| 240 | int |
| 241 | gdbm_setopt (db, optflag, optval, optlen) |
| 242 | GDBM_File db |
| 243 | int optflag |
| 244 | int &optval |
| 245 | int optlen |
| 246 | |
projects / p5sagit/p5-mst-13.2.git / blame