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-rw-r--r--ruby_1_8_5/ext/dbm/dbm.c816
1 files changed, 816 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/dbm/dbm.c b/ruby_1_8_5/ext/dbm/dbm.c
new file mode 100644
index 0000000000..83e6a9893b
--- /dev/null
+++ b/ruby_1_8_5/ext/dbm/dbm.c
@@ -0,0 +1,816 @@
+/************************************************
+
+ dbm.c -
+
+ $Author: usa $
+ $Date: 2005/06/20 07:53:19 $
+ created at: Mon Jan 24 15:59:52 JST 1994
+
+ Copyright (C) 1995-2001 Yukihiro Matsumoto
+
+************************************************/
+
+#include "ruby.h"
+
+#ifdef HAVE_CDEFS_H
+# include <cdefs.h>
+#endif
+#ifdef HAVE_SYS_CDEFS_H
+# include <sys/cdefs.h>
+#endif
+#include DBM_HDR
+#include <fcntl.h>
+#include <errno.h>
+
+static VALUE rb_cDBM, rb_eDBMError;
+
+#define RUBY_DBM_RW_BIT 0x20000000
+
+struct dbmdata {
+ int di_size;
+ DBM *di_dbm;
+};
+
+static void
+closed_dbm()
+{
+ rb_raise(rb_eDBMError, "closed DBM file");
+}
+
+#define GetDBM(obj, dbmp) {\
+ Data_Get_Struct(obj, struct dbmdata, dbmp);\
+ if (dbmp == 0) closed_dbm();\
+ if (dbmp->di_dbm == 0) closed_dbm();\
+}
+
+#define GetDBM2(obj, data, dbm) {\
+ GetDBM(obj, data);\
+ (dbm) = dbmp->di_dbm;\
+}
+
+static void
+free_dbm(dbmp)
+ struct dbmdata *dbmp;
+{
+ if (dbmp) {
+ if (dbmp->di_dbm) dbm_close(dbmp->di_dbm);
+ free(dbmp);
+ }
+}
+
+static VALUE
+fdbm_close(obj)
+ VALUE obj;
+{
+ struct dbmdata *dbmp;
+
+ GetDBM(obj, dbmp);
+ dbm_close(dbmp->di_dbm);
+ dbmp->di_dbm = 0;
+
+ return Qnil;
+}
+
+static VALUE
+fdbm_closed(obj)
+ VALUE obj;
+{
+ struct dbmdata *dbmp;
+
+ Data_Get_Struct(obj, struct dbmdata, dbmp);
+ if (dbmp == 0)
+ return Qtrue;
+ if (dbmp->di_dbm == 0)
+ return Qtrue;
+
+ return Qfalse;
+}
+
+static VALUE fdbm_alloc _((VALUE));
+static VALUE
+fdbm_alloc(klass)
+ VALUE klass;
+{
+ return Data_Wrap_Struct(klass, 0, free_dbm, 0);
+}
+
+static VALUE
+fdbm_initialize(argc, argv, obj)
+ int argc;
+ VALUE *argv;
+ VALUE obj;
+{
+ VALUE file, vmode, vflags;
+ DBM *dbm;
+ struct dbmdata *dbmp;
+ int mode, flags = 0;
+
+ if (rb_scan_args(argc, argv, "12", &file, &vmode, &vflags) == 1) {
+ mode = 0666; /* default value */
+ }
+ else if (NIL_P(vmode)) {
+ mode = -1; /* return nil if DB not exist */
+ }
+ else {
+ mode = NUM2INT(vmode);
+ }
+
+ if (!NIL_P(vflags))
+ flags = NUM2INT(vflags);
+
+ SafeStringValue(file);
+
+ if (flags & RUBY_DBM_RW_BIT) {
+ flags &= ~RUBY_DBM_RW_BIT;
+ dbm = dbm_open(RSTRING(file)->ptr, flags, mode);
+ }
+ else {
+ dbm = 0;
+ if (mode >= 0) {
+ dbm = dbm_open(RSTRING(file)->ptr, O_RDWR|O_CREAT, mode);
+ }
+ if (!dbm) {
+ dbm = dbm_open(RSTRING(file)->ptr, O_RDWR, 0);
+ }
+ if (!dbm) {
+ dbm = dbm_open(RSTRING(file)->ptr, O_RDONLY, 0);
+ }
+ }
+
+ if (!dbm) {
+ if (mode == -1) return Qnil;
+ rb_sys_fail(RSTRING(file)->ptr);
+ }
+
+ dbmp = ALLOC(struct dbmdata);
+ DATA_PTR(obj) = dbmp;
+ dbmp->di_dbm = dbm;
+ dbmp->di_size = -1;
+
+ return obj;
+}
+
+static VALUE
+fdbm_s_open(argc, argv, klass)
+ int argc;
+ VALUE *argv;
+ VALUE klass;
+{
+ VALUE obj = Data_Wrap_Struct(klass, 0, free_dbm, 0);
+
+ if (NIL_P(fdbm_initialize(argc, argv, obj))) {
+ return Qnil;
+ }
+
+ if (rb_block_given_p()) {
+ return rb_ensure(rb_yield, obj, fdbm_close, obj);
+ }
+
+ return obj;
+}
+
+static VALUE
+fdbm_fetch(obj, keystr, ifnone)
+ VALUE obj, keystr, ifnone;
+{
+ datum key, value;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+
+ StringValue(keystr);
+ key.dptr = RSTRING(keystr)->ptr;
+ key.dsize = RSTRING(keystr)->len;
+
+ GetDBM2(obj, dbmp, dbm);
+ value = dbm_fetch(dbm, key);
+ if (value.dptr == 0) {
+ if (ifnone == Qnil && rb_block_given_p())
+ return rb_yield(rb_tainted_str_new(key.dptr, key.dsize));
+ return ifnone;
+ }
+ return rb_tainted_str_new(value.dptr, value.dsize);
+}
+
+static VALUE
+fdbm_aref(obj, keystr)
+ VALUE obj, keystr;
+{
+ return fdbm_fetch(obj, keystr, Qnil);
+}
+
+static VALUE
+fdbm_fetch_m(argc, argv, obj)
+ int argc;
+ VALUE *argv;
+ VALUE obj;
+{
+ VALUE keystr, valstr, ifnone;
+
+ rb_scan_args(argc, argv, "11", &keystr, &ifnone);
+ valstr = fdbm_fetch(obj, keystr, ifnone);
+ if (argc == 1 && !rb_block_given_p() && NIL_P(valstr))
+ rb_raise(rb_eIndexError, "key not found");
+
+ return valstr;
+}
+
+static VALUE
+fdbm_index(obj, valstr)
+ VALUE obj, valstr;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+
+ StringValue(valstr);
+ val.dptr = RSTRING(valstr)->ptr;
+ val.dsize = RSTRING(valstr)->len;
+
+ GetDBM2(obj, dbmp, dbm);
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ if (val.dsize == RSTRING(valstr)->len &&
+ memcmp(val.dptr, RSTRING(valstr)->ptr, val.dsize) == 0) {
+ return rb_tainted_str_new(key.dptr, key.dsize);
+ }
+ }
+ return Qnil;
+}
+
+static VALUE
+fdbm_indexes(argc, argv, obj)
+ int argc;
+ VALUE *argv;
+ VALUE obj;
+{
+ VALUE new;
+ int i;
+
+ new = rb_ary_new2(argc);
+ for (i=0; i<argc; i++) {
+ rb_ary_push(new, fdbm_fetch(obj, argv[i], Qnil));
+ }
+
+ return new;
+}
+
+static VALUE
+fdbm_select(argc, argv, obj)
+ int argc;
+ VALUE *argv;
+ VALUE obj;
+{
+ VALUE new = rb_ary_new2(argc);
+ int i;
+
+ if (rb_block_given_p()) {
+ datum key, val;
+ DBM *dbm;
+ struct dbmdata *dbmp;
+
+ if (argc > 0) {
+ rb_raise(rb_eArgError, "wrong number arguments(%d for 0)", argc);
+ }
+ GetDBM2(obj, dbmp, dbm);
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ VALUE assoc, v;
+ val = dbm_fetch(dbm, key);
+ assoc = rb_assoc_new(rb_tainted_str_new(key.dptr, key.dsize),
+ rb_tainted_str_new(val.dptr, val.dsize));
+ v = rb_yield(assoc);
+ if (RTEST(v)) {
+ rb_ary_push(new, assoc);
+ }
+ GetDBM2(obj, dbmp, dbm);
+ }
+ }
+ else {
+ rb_warn("DBM#select(index..) is deprecated; use DBM#values_at");
+
+ for (i=0; i<argc; i++) {
+ rb_ary_push(new, fdbm_fetch(obj, argv[i], Qnil));
+ }
+ }
+
+ return new;
+}
+
+static VALUE
+fdbm_values_at(argc, argv, obj)
+ int argc;
+ VALUE *argv;
+ VALUE obj;
+{
+ VALUE new = rb_ary_new2(argc);
+ int i;
+
+ for (i=0; i<argc; i++) {
+ rb_ary_push(new, fdbm_fetch(obj, argv[i], Qnil));
+ }
+
+ return new;
+}
+
+static void
+fdbm_modify(obj)
+ VALUE obj;
+{
+ rb_secure(4);
+ if (OBJ_FROZEN(obj)) rb_error_frozen("DBM");
+}
+
+static VALUE
+fdbm_delete(obj, keystr)
+ VALUE obj, keystr;
+{
+ datum key, value;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ VALUE valstr;
+
+ fdbm_modify(obj);
+ StringValue(keystr);
+ key.dptr = RSTRING(keystr)->ptr;
+ key.dsize = RSTRING(keystr)->len;
+
+ GetDBM2(obj, dbmp, dbm);
+ value = dbm_fetch(dbm, key);
+ if (value.dptr == 0) {
+ if (rb_block_given_p()) return rb_yield(keystr);
+ return Qnil;
+ }
+
+ /* need to save value before dbm_delete() */
+ valstr = rb_tainted_str_new(value.dptr, value.dsize);
+
+ if (dbm_delete(dbm, key)) {
+ dbmp->di_size = -1;
+ rb_raise(rb_eDBMError, "dbm_delete failed");
+ }
+ else if (dbmp->di_size >= 0) {
+ dbmp->di_size--;
+ }
+ return valstr;
+}
+
+static VALUE
+fdbm_shift(obj)
+ VALUE obj;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ VALUE keystr, valstr;
+
+ fdbm_modify(obj);
+ GetDBM2(obj, dbmp, dbm);
+ dbmp->di_size = -1;
+
+ key = dbm_firstkey(dbm);
+ if (!key.dptr) return Qnil;
+ val = dbm_fetch(dbm, key);
+ keystr = rb_tainted_str_new(key.dptr, key.dsize);
+ valstr = rb_tainted_str_new(val.dptr, val.dsize);
+ dbm_delete(dbm, key);
+
+ return rb_assoc_new(keystr, valstr);
+}
+
+static VALUE
+fdbm_delete_if(obj)
+ VALUE obj;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ VALUE keystr, valstr;
+ VALUE ret, ary = rb_ary_new();
+ int i, status = 0, n;
+
+ fdbm_modify(obj);
+ GetDBM2(obj, dbmp, dbm);
+ n = dbmp->di_size;
+ dbmp->di_size = -1;
+
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ keystr = rb_tainted_str_new(key.dptr, key.dsize);
+ valstr = rb_tainted_str_new(val.dptr, val.dsize);
+ ret = rb_protect(rb_yield, rb_assoc_new(rb_str_dup(keystr), valstr), &status);
+ if (status != 0) break;
+ if (RTEST(ret)) rb_ary_push(ary, keystr);
+ GetDBM2(obj, dbmp, dbm);
+ }
+
+ for (i = 0; i < RARRAY(ary)->len; i++) {
+ keystr = RARRAY(ary)->ptr[i];
+ StringValue(keystr);
+ key.dptr = RSTRING(keystr)->ptr;
+ key.dsize = RSTRING(keystr)->len;
+ if (dbm_delete(dbm, key)) {
+ rb_raise(rb_eDBMError, "dbm_delete failed");
+ }
+ }
+ if (status) rb_jump_tag(status);
+ if (n > 0) dbmp->di_size = n - RARRAY(ary)->len;
+
+ return obj;
+}
+
+static VALUE
+fdbm_clear(obj)
+ VALUE obj;
+{
+ datum key;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+
+ fdbm_modify(obj);
+ GetDBM2(obj, dbmp, dbm);
+ dbmp->di_size = -1;
+ while (key = dbm_firstkey(dbm), key.dptr) {
+ if (dbm_delete(dbm, key)) {
+ rb_raise(rb_eDBMError, "dbm_delete failed");
+ }
+ }
+ dbmp->di_size = 0;
+
+ return obj;
+}
+
+static VALUE
+fdbm_invert(obj)
+ VALUE obj;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ VALUE keystr, valstr;
+ VALUE hash = rb_hash_new();
+
+ GetDBM2(obj, dbmp, dbm);
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ keystr = rb_tainted_str_new(key.dptr, key.dsize);
+ valstr = rb_tainted_str_new(val.dptr, val.dsize);
+ rb_hash_aset(hash, valstr, keystr);
+ }
+ return hash;
+}
+
+static VALUE each_pair _((VALUE));
+
+static VALUE
+each_pair(obj)
+ VALUE obj;
+{
+ return rb_funcall(obj, rb_intern("each_pair"), 0, 0);
+}
+
+static VALUE fdbm_store _((VALUE,VALUE,VALUE));
+
+static VALUE
+update_i(pair, dbm)
+ VALUE pair, dbm;
+{
+ Check_Type(pair, T_ARRAY);
+ if (RARRAY(pair)->len < 2) {
+ rb_raise(rb_eArgError, "pair must be [key, value]");
+ }
+ fdbm_store(dbm, RARRAY(pair)->ptr[0], RARRAY(pair)->ptr[1]);
+ return Qnil;
+}
+
+static VALUE
+fdbm_update(obj, other)
+ VALUE obj, other;
+{
+ rb_iterate(each_pair, other, update_i, obj);
+ return obj;
+}
+
+static VALUE
+fdbm_replace(obj, other)
+ VALUE obj, other;
+{
+ fdbm_clear(obj);
+ rb_iterate(each_pair, other, update_i, obj);
+ return obj;
+}
+
+static VALUE
+fdbm_store(obj, keystr, valstr)
+ VALUE obj, keystr, valstr;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+
+ fdbm_modify(obj);
+ keystr = rb_obj_as_string(keystr);
+ valstr = rb_obj_as_string(valstr);
+
+ key.dptr = RSTRING(keystr)->ptr;
+ key.dsize = RSTRING(keystr)->len;
+
+ val.dptr = RSTRING(valstr)->ptr;
+ val.dsize = RSTRING(valstr)->len;
+
+ GetDBM2(obj, dbmp, dbm);
+ dbmp->di_size = -1;
+ if (dbm_store(dbm, key, val, DBM_REPLACE)) {
+#ifdef HAVE_DBM_CLEARERR
+ dbm_clearerr(dbm);
+#endif
+ if (errno == EPERM) rb_sys_fail(0);
+ rb_raise(rb_eDBMError, "dbm_store failed");
+ }
+
+ return valstr;
+}
+
+static VALUE
+fdbm_length(obj)
+ VALUE obj;
+{
+ datum key;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ int i = 0;
+
+ GetDBM2(obj, dbmp, dbm);
+ if (dbmp->di_size > 0) return INT2FIX(dbmp->di_size);
+
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ i++;
+ }
+ dbmp->di_size = i;
+
+ return INT2FIX(i);
+}
+
+static VALUE
+fdbm_empty_p(obj)
+ VALUE obj;
+{
+ datum key;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ int i = 0;
+
+ GetDBM2(obj, dbmp, dbm);
+ if (dbmp->di_size < 0) {
+ dbm = dbmp->di_dbm;
+
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ i++;
+ }
+ }
+ else {
+ i = dbmp->di_size;
+ }
+ if (i == 0) return Qtrue;
+ return Qfalse;
+}
+
+static VALUE
+fdbm_each_value(obj)
+ VALUE obj;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+
+ GetDBM2(obj, dbmp, dbm);
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ rb_yield(rb_tainted_str_new(val.dptr, val.dsize));
+ GetDBM2(obj, dbmp, dbm);
+ }
+ return obj;
+}
+
+static VALUE
+fdbm_each_key(obj)
+ VALUE obj;
+{
+ datum key;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+
+ GetDBM2(obj, dbmp, dbm);
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ rb_yield(rb_tainted_str_new(key.dptr, key.dsize));
+ GetDBM2(obj, dbmp, dbm);
+ }
+ return obj;
+}
+
+static VALUE
+fdbm_each_pair(obj)
+ VALUE obj;
+{
+ datum key, val;
+ DBM *dbm;
+ struct dbmdata *dbmp;
+ VALUE keystr, valstr;
+
+ GetDBM2(obj, dbmp, dbm);
+
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ keystr = rb_tainted_str_new(key.dptr, key.dsize);
+ valstr = rb_tainted_str_new(val.dptr, val.dsize);
+ rb_yield(rb_assoc_new(keystr, valstr));
+ GetDBM2(obj, dbmp, dbm);
+ }
+
+ return obj;
+}
+
+static VALUE
+fdbm_keys(obj)
+ VALUE obj;
+{
+ datum key;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ VALUE ary;
+
+ GetDBM2(obj, dbmp, dbm);
+
+ ary = rb_ary_new();
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ rb_ary_push(ary, rb_tainted_str_new(key.dptr, key.dsize));
+ }
+
+ return ary;
+}
+
+static VALUE
+fdbm_values(obj)
+ VALUE obj;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ VALUE ary;
+
+ GetDBM2(obj, dbmp, dbm);
+ ary = rb_ary_new();
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ rb_ary_push(ary, rb_tainted_str_new(val.dptr, val.dsize));
+ }
+
+ return ary;
+}
+
+static VALUE
+fdbm_has_key(obj, keystr)
+ VALUE obj, keystr;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+
+ StringValue(keystr);
+ key.dptr = RSTRING(keystr)->ptr;
+ key.dsize = RSTRING(keystr)->len;
+
+ GetDBM2(obj, dbmp, dbm);
+ val = dbm_fetch(dbm, key);
+ if (val.dptr) return Qtrue;
+ return Qfalse;
+}
+
+static VALUE
+fdbm_has_value(obj, valstr)
+ VALUE obj, valstr;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+
+ StringValue(valstr);
+ val.dptr = RSTRING(valstr)->ptr;
+ val.dsize = RSTRING(valstr)->len;
+
+ GetDBM2(obj, dbmp, dbm);
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ if (val.dsize == RSTRING(valstr)->len &&
+ memcmp(val.dptr, RSTRING(valstr)->ptr, val.dsize) == 0)
+ return Qtrue;
+ }
+ return Qfalse;
+}
+
+static VALUE
+fdbm_to_a(obj)
+ VALUE obj;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ VALUE ary;
+
+ GetDBM2(obj, dbmp, dbm);
+ ary = rb_ary_new();
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ rb_ary_push(ary, rb_assoc_new(rb_tainted_str_new(key.dptr, key.dsize),
+ rb_tainted_str_new(val.dptr, val.dsize)));
+ }
+
+ return ary;
+}
+
+static VALUE
+fdbm_to_hash(obj)
+ VALUE obj;
+{
+ datum key, val;
+ struct dbmdata *dbmp;
+ DBM *dbm;
+ VALUE hash;
+
+ GetDBM2(obj, dbmp, dbm);
+ hash = rb_hash_new();
+ for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) {
+ val = dbm_fetch(dbm, key);
+ rb_hash_aset(hash, rb_tainted_str_new(key.dptr, key.dsize),
+ rb_tainted_str_new(val.dptr, val.dsize));
+ }
+
+ return hash;
+}
+
+static VALUE
+fdbm_reject(obj)
+ VALUE obj;
+{
+ return rb_hash_delete_if(fdbm_to_hash(obj));
+}
+
+void
+Init_dbm()
+{
+ rb_cDBM = rb_define_class("DBM", rb_cObject);
+ rb_eDBMError = rb_define_class("DBMError", rb_eStandardError);
+ rb_include_module(rb_cDBM, rb_mEnumerable);
+
+ rb_define_alloc_func(rb_cDBM, fdbm_alloc);
+ rb_define_singleton_method(rb_cDBM, "open", fdbm_s_open, -1);
+
+ rb_define_method(rb_cDBM, "initialize", fdbm_initialize, -1);
+ rb_define_method(rb_cDBM, "close", fdbm_close, 0);
+ rb_define_method(rb_cDBM, "closed?", fdbm_closed, 0);
+ rb_define_method(rb_cDBM, "[]", fdbm_aref, 1);
+ rb_define_method(rb_cDBM, "fetch", fdbm_fetch_m, -1);
+ rb_define_method(rb_cDBM, "[]=", fdbm_store, 2);
+ rb_define_method(rb_cDBM, "store", fdbm_store, 2);
+ rb_define_method(rb_cDBM, "index", fdbm_index, 1);
+ rb_define_method(rb_cDBM, "indexes", fdbm_indexes, -1);
+ rb_define_method(rb_cDBM, "indices", fdbm_indexes, -1);
+ rb_define_method(rb_cDBM, "select", fdbm_select, -1);
+ rb_define_method(rb_cDBM, "values_at", fdbm_values_at, -1);
+ rb_define_method(rb_cDBM, "length", fdbm_length, 0);
+ rb_define_method(rb_cDBM, "size", fdbm_length, 0);
+ rb_define_method(rb_cDBM, "empty?", fdbm_empty_p, 0);
+ rb_define_method(rb_cDBM, "each", fdbm_each_pair, 0);
+ rb_define_method(rb_cDBM, "each_value", fdbm_each_value, 0);
+ rb_define_method(rb_cDBM, "each_key", fdbm_each_key, 0);
+ rb_define_method(rb_cDBM, "each_pair", fdbm_each_pair, 0);
+ rb_define_method(rb_cDBM, "keys", fdbm_keys, 0);
+ rb_define_method(rb_cDBM, "values", fdbm_values, 0);
+ rb_define_method(rb_cDBM, "shift", fdbm_shift, 0);
+ rb_define_method(rb_cDBM, "delete", fdbm_delete, 1);
+ rb_define_method(rb_cDBM, "delete_if", fdbm_delete_if, 0);
+ rb_define_method(rb_cDBM, "reject!", fdbm_delete_if, 0);
+ rb_define_method(rb_cDBM, "reject", fdbm_reject, 0);
+ rb_define_method(rb_cDBM, "clear", fdbm_clear, 0);
+ rb_define_method(rb_cDBM,"invert", fdbm_invert, 0);
+ rb_define_method(rb_cDBM,"update", fdbm_update, 1);
+ rb_define_method(rb_cDBM,"replace", fdbm_replace, 1);
+
+ rb_define_method(rb_cDBM, "include?", fdbm_has_key, 1);
+ rb_define_method(rb_cDBM, "has_key?", fdbm_has_key, 1);
+ rb_define_method(rb_cDBM, "member?", fdbm_has_key, 1);
+ rb_define_method(rb_cDBM, "has_value?", fdbm_has_value, 1);
+ rb_define_method(rb_cDBM, "key?", fdbm_has_key, 1);
+ rb_define_method(rb_cDBM, "value?", fdbm_has_value, 1);
+
+ rb_define_method(rb_cDBM, "to_a", fdbm_to_a, 0);
+ rb_define_method(rb_cDBM, "to_hash", fdbm_to_hash, 0);
+
+ /* flags for dbm_open() */
+ rb_define_const(rb_cDBM, "READER", INT2FIX(O_RDONLY|RUBY_DBM_RW_BIT));
+ rb_define_const(rb_cDBM, "WRITER", INT2FIX(O_RDWR|RUBY_DBM_RW_BIT));
+ rb_define_const(rb_cDBM, "WRCREAT", INT2FIX(O_RDWR|O_CREAT|RUBY_DBM_RW_BIT));
+ rb_define_const(rb_cDBM, "NEWDB", INT2FIX(O_RDWR|O_CREAT|O_TRUNC|RUBY_DBM_RW_BIT));
+
+#ifdef DB_VERSION_STRING
+ rb_define_const(rb_cDBM, "VERSION", rb_str_new2(DB_VERSION_STRING));
+#endif
+}