244 lines
4.0 KiB
Plaintext
244 lines
4.0 KiB
Plaintext
#include "EXTERN.h"
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#include "perl.h"
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#include "XSUB.h"
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#include <gdbm.h>
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#include <fcntl.h>
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typedef GDBM_FILE GDBM_File;
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#define GDBM_BLOCKSIZE 0 /* gdbm defaults to stat blocksize */
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#define gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func) \
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gdbm_open(name, GDBM_BLOCKSIZE, read_write, mode, fatal_func)
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#define gdbm_FETCH(db,key) gdbm_fetch(db,key)
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#define gdbm_STORE(db,key,value,flags) gdbm_store(db,key,value,flags)
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#define gdbm_DELETE(db,key) gdbm_delete(db,key)
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#define gdbm_FIRSTKEY(db) gdbm_firstkey(db)
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#define gdbm_NEXTKEY(db,key) gdbm_nextkey(db,key)
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#define gdbm_EXISTS(db,key) gdbm_exists(db,key)
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typedef datum gdatum;
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typedef void (*FATALFUNC)();
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static int
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not_here(char *s)
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{
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croak("GDBM_File::%s not implemented on this architecture", s);
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return -1;
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}
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/* Versions of gdbm prior to 1.7x might not have the gdbm_sync,
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gdbm_exists, and gdbm_setopt functions. Apparently Slackware
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(Linux) 2.1 contains gdbm-1.5 (which dates back to 1991).
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*/
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#ifndef GDBM_FAST
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#define gdbm_exists(db,key) not_here("gdbm_exists")
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#define gdbm_sync(db) (void) not_here("gdbm_sync")
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#define gdbm_setopt(db,optflag,optval,optlen) not_here("gdbm_setopt")
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#endif
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static double
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constant(char *name, int arg)
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{
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errno = 0;
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switch (*name) {
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case 'A':
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break;
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case 'B':
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break;
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case 'C':
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break;
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case 'D':
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break;
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case 'E':
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break;
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case 'F':
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break;
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case 'G':
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if (strEQ(name, "GDBM_CACHESIZE"))
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#ifdef GDBM_CACHESIZE
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return GDBM_CACHESIZE;
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#else
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goto not_there;
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#endif
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if (strEQ(name, "GDBM_FAST"))
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#ifdef GDBM_FAST
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return GDBM_FAST;
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#else
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goto not_there;
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#endif
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if (strEQ(name, "GDBM_FASTMODE"))
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#ifdef GDBM_FASTMODE
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return GDBM_FASTMODE;
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#else
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goto not_there;
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#endif
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if (strEQ(name, "GDBM_INSERT"))
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#ifdef GDBM_INSERT
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return GDBM_INSERT;
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#else
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goto not_there;
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#endif
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if (strEQ(name, "GDBM_NEWDB"))
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#ifdef GDBM_NEWDB
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return GDBM_NEWDB;
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#else
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goto not_there;
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#endif
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if (strEQ(name, "GDBM_READER"))
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#ifdef GDBM_READER
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return GDBM_READER;
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#else
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goto not_there;
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#endif
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if (strEQ(name, "GDBM_REPLACE"))
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#ifdef GDBM_REPLACE
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return GDBM_REPLACE;
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#else
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goto not_there;
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#endif
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if (strEQ(name, "GDBM_WRCREAT"))
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#ifdef GDBM_WRCREAT
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return GDBM_WRCREAT;
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#else
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goto not_there;
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#endif
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if (strEQ(name, "GDBM_WRITER"))
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#ifdef GDBM_WRITER
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return GDBM_WRITER;
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#else
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goto not_there;
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#endif
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break;
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case 'H':
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break;
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case 'I':
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break;
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case 'J':
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break;
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case 'K':
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break;
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case 'L':
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break;
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case 'M':
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break;
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case 'N':
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break;
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case 'O':
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break;
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case 'P':
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break;
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case 'Q':
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break;
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case 'R':
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break;
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case 'S':
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break;
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case 'T':
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break;
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case 'U':
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break;
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case 'V':
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break;
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case 'W':
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break;
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case 'X':
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break;
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case 'Y':
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break;
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case 'Z':
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break;
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}
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errno = EINVAL;
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return 0;
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not_there:
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errno = ENOENT;
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return 0;
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}
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MODULE = GDBM_File PACKAGE = GDBM_File PREFIX = gdbm_
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double
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constant(name,arg)
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char * name
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int arg
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GDBM_File
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gdbm_TIEHASH(dbtype, name, read_write, mode, fatal_func = (FATALFUNC)croak)
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char * dbtype
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char * name
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int read_write
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int mode
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FATALFUNC fatal_func
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void
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gdbm_close(db)
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GDBM_File db
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CLEANUP:
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void
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gdbm_DESTROY(db)
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GDBM_File db
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CODE:
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gdbm_close(db);
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gdatum
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gdbm_FETCH(db, key)
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GDBM_File db
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datum key
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int
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gdbm_STORE(db, key, value, flags = GDBM_REPLACE)
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GDBM_File db
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datum key
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datum value
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int flags
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CLEANUP:
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if (RETVAL) {
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if (RETVAL < 0 && errno == EPERM)
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croak("No write permission to gdbm file");
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croak("gdbm store returned %d, errno %d, key \"%.*s\"",
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RETVAL,errno,key.dsize,key.dptr);
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/* gdbm_clearerr(db); */
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}
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int
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gdbm_DELETE(db, key)
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GDBM_File db
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datum key
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gdatum
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gdbm_FIRSTKEY(db)
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GDBM_File db
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gdatum
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gdbm_NEXTKEY(db, key)
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GDBM_File db
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datum key
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int
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gdbm_reorganize(db)
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GDBM_File db
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void
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gdbm_sync(db)
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GDBM_File db
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int
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gdbm_EXISTS(db, key)
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GDBM_File db
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datum key
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int
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gdbm_setopt (db, optflag, optval, optlen)
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GDBM_File db
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int optflag
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int &optval
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int optlen
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