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ruby--ruby/ext/gdbm/gdbm.c

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/************************************************
gdbm.c -
$Author$
$Date$
modified at: Mon Jan 24 15:59:52 JST 1994
************************************************/
#include "ruby.h"
#include <gdbm.h>
#include <fcntl.h>
#include <errno.h>
static VALUE rb_cGDBM, rb_eGDBMError, rb_eGDBMFatalError;
#define MY_BLOCK_SIZE (2048)
#define MY_FATAL_FUNC rb_gdbm_fatal
static void
rb_gdbm_fatal(msg)
char *msg;
{
rb_raise(rb_eGDBMFatalError, msg);
}
struct dbmdata {
int di_size;
GDBM_FILE di_dbm;
};
static void
closed_dbm()
{
rb_raise(rb_eRuntimeError, "closed GDBM file");
}
#define GetDBM(obj, dbmp) do {\
Data_Get_Struct(obj, struct dbmdata, dbmp);\
if (dbmp == 0) closed_dbm();\
if (dbmp->di_dbm == 0) closed_dbm();\
} while (0)
static void
free_dbm(dbmp)
struct dbmdata *dbmp;
{
if (dbmp) {
if (dbmp->di_dbm) gdbm_close(dbmp->di_dbm);
free(dbmp);
}
}
static VALUE
fgdbm_close(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GetDBM(obj, dbmp);
gdbm_close(dbmp->di_dbm);
dbmp->di_dbm = 0;
return Qnil;
}
static VALUE fgdbm_s_alloc _((VALUE));
static VALUE
fgdbm_s_alloc(klass)
VALUE klass;
{
return Data_Wrap_Struct(klass, 0, free_dbm, 0);
}
static VALUE
fgdbm_initialize(argc, argv, obj)
int argc;
VALUE *argv;
VALUE obj;
{
VALUE file, vmode, vflags;
GDBM_FILE 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);
dbm = 0;
if (mode >= 0)
dbm = gdbm_open(RSTRING(file)->ptr, MY_BLOCK_SIZE,
GDBM_WRCREAT|flags, mode, MY_FATAL_FUNC);
if (!dbm)
dbm = gdbm_open(RSTRING(file)->ptr, MY_BLOCK_SIZE,
GDBM_WRITER|flags, 0, MY_FATAL_FUNC);
if (!dbm)
dbm = gdbm_open(RSTRING(file)->ptr, MY_BLOCK_SIZE,
GDBM_READER|flags, 0, MY_FATAL_FUNC);
if (!dbm) {
if (mode == -1) return Qnil;
if (gdbm_errno == GDBM_FILE_OPEN_ERROR ||
gdbm_errno == GDBM_CANT_BE_READER ||
gdbm_errno == GDBM_CANT_BE_WRITER)
rb_sys_fail(RSTRING(file)->ptr);
else
rb_raise(rb_eGDBMError, "%s", gdbm_strerror(gdbm_errno));
}
dbmp = ALLOC(struct dbmdata);
free_dbm(DATA_PTR(obj));
DATA_PTR(obj) = dbmp;
dbmp->di_dbm = dbm;
dbmp->di_size = -1;
return obj;
}
static VALUE
fgdbm_s_open(argc, argv, klass)
int argc;
VALUE *argv;
VALUE klass;
{
VALUE obj = Data_Wrap_Struct(klass, 0, free_dbm, 0);
if (NIL_P(fgdbm_initialize(argc, argv, obj))) {
return Qnil;
}
if (rb_block_given_p()) {
return rb_ensure(rb_yield, obj, fgdbm_close, obj);
}
return obj;
}
static VALUE
rb_gdbm_fetch(dbm, key)
GDBM_FILE dbm;
datum key;
{
datum val;
VALUE str;
val = gdbm_fetch(dbm, key);
if (val.dptr == 0)
return Qnil;
str = rb_obj_alloc(rb_cString);
RSTRING(str)->len = val.dsize;
RSTRING(str)->aux.capa = val.dsize;
RSTRING(str)->ptr = REALLOC_N(val.dptr,char,val.dsize+1);
RSTRING(str)->ptr[val.dsize] = '\0';
OBJ_TAINT(str);
return (VALUE)str;
}
static VALUE
rb_gdbm_fetch2(dbm, keystr)
GDBM_FILE dbm;
VALUE keystr;
{
datum key;
StringValue(keystr);
key.dptr = RSTRING(keystr)->ptr;
key.dsize = RSTRING(keystr)->len;
return rb_gdbm_fetch(dbm, key);
}
static VALUE
rb_gdbm_fetch3(obj, keystr)
VALUE obj, keystr;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
return rb_gdbm_fetch2(dbm, keystr);
}
static VALUE
rb_gdbm_firstkey(dbm)
GDBM_FILE dbm;
{
datum key;
VALUE str;
key = gdbm_firstkey(dbm);
if (key.dptr == 0)
return Qnil;
str = rb_obj_alloc(rb_cString);
RSTRING(str)->len = key.dsize;
RSTRING(str)->aux.capa = key.dsize;
RSTRING(str)->ptr = REALLOC_N(key.dptr,char,key.dsize+1);
RSTRING(str)->ptr[RSTRING(str)->len] = '\0';
OBJ_TAINT(str);
return str;
}
static VALUE
rb_gdbm_nextkey(dbm, keystr)
GDBM_FILE dbm;
VALUE keystr;
{
datum key, key2;
VALUE str;
key.dptr = RSTRING(keystr)->ptr;
key.dsize = RSTRING(keystr)->len;
key2 = gdbm_nextkey(dbm, key);
if (key2.dptr == 0)
return Qnil;
str = rb_obj_alloc(rb_cString);
RSTRING(str)->len = key2.dsize;
RSTRING(str)->aux.capa = key2.dsize;
RSTRING(str)->ptr = REALLOC_N(key2.dptr,char,key2.dsize+1);
RSTRING(str)->ptr[RSTRING(str)->len] = '\0';
OBJ_TAINT(str);
return str;
}
static VALUE
fgdbm_fetch(obj, keystr, ifnone)
VALUE obj, keystr, ifnone;
{
VALUE valstr;
valstr = rb_gdbm_fetch3(obj, keystr);
if (NIL_P(valstr)) {
if (ifnone == Qnil && rb_block_given_p())
return rb_yield(keystr);
return ifnone;
}
return valstr;
}
static VALUE
fgdbm_aref(obj, keystr)
VALUE obj, keystr;
{
return rb_gdbm_fetch3(obj, keystr);
}
static VALUE
fgdbm_fetch_m(argc, argv, obj)
int argc;
VALUE *argv;
VALUE obj;
{
VALUE keystr, valstr, ifnone;
rb_scan_args(argc, argv, "11", &keystr, &ifnone);
valstr = fgdbm_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
fgdbm_index(obj, valstr)
VALUE obj, valstr;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr, valstr2;
StringValue(valstr);
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
valstr2 = rb_gdbm_fetch2(dbm, keystr);
if (!NIL_P(valstr2) &&
RSTRING(valstr)->len == RSTRING(valstr2)->len &&
memcmp(RSTRING(valstr)->ptr, RSTRING(valstr2)->ptr,
RSTRING(valstr)->len) == 0) {
return keystr;
}
}
return Qnil;
}
static VALUE
fgdbm_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, rb_gdbm_fetch3(obj, argv[i]));
}
return new;
}
static VALUE
fgdbm_select(argc, argv, obj)
int argc;
VALUE *argv;
VALUE obj;
{
VALUE new = rb_ary_new2(argc);
int i;
if (rb_block_given_p()) {
GDBM_FILE dbm;
struct dbmdata *dbmp;
VALUE keystr;
if (argc > 0) {
rb_raise(rb_eArgError, "wrong number arguments(%d for 0)", argc);
}
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
VALUE assoc = rb_assoc_new(keystr, rb_gdbm_fetch2(dbm, keystr));
if (RTEST(rb_yield(assoc)))
rb_ary_push(new, assoc);
}
}
else {
rb_warn("GDBM#select(index..) is deprecated; use GDBM#values_at");
for (i=0; i<argc; i++) {
rb_ary_push(new, rb_gdbm_fetch3(obj, argv[i]));
}
}
return new;
}
static VALUE
fgdbm_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, rb_gdbm_fetch3(obj, argv[i]));
}
return new;
}
static VALUE
rb_gdbm_delete(obj, keystr)
VALUE obj, keystr;
{
datum key;
struct dbmdata *dbmp;
GDBM_FILE dbm;
rb_secure(4);
StringValue(keystr);
key.dptr = RSTRING(keystr)->ptr;
key.dsize = RSTRING(keystr)->len;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
if (!gdbm_exists(dbm, key)) {
return Qnil;
}
if (gdbm_delete(dbm, key)) {
dbmp->di_size = -1;
rb_raise(rb_eGDBMError, "%s", gdbm_strerror(gdbm_errno));
}
else if (dbmp->di_size >= 0) {
dbmp->di_size--;
}
return obj;
}
static VALUE
fgdbm_delete(obj, keystr)
VALUE obj, keystr;
{
VALUE valstr;
valstr = fgdbm_fetch(obj, keystr, Qnil);
rb_gdbm_delete(obj, keystr);
return valstr;
}
static VALUE
fgdbm_shift(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr, valstr;
rb_secure(4);
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
keystr = rb_gdbm_firstkey(dbm);
if (NIL_P(keystr)) return Qnil;
valstr = rb_gdbm_fetch2(dbm, keystr);
rb_gdbm_delete(obj, keystr);
return rb_assoc_new(keystr, valstr);
}
static VALUE
fgdbm_delete_if(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr, valstr;
VALUE ret, ary = rb_ary_new();
int i, status = 0, n;
rb_secure(4);
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
n = dbmp->di_size;
dbmp->di_size = -1;
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
valstr = rb_gdbm_fetch2(dbm, keystr);
ret = rb_protect(rb_yield, rb_assoc_new(keystr, valstr), &status);
if (status != 0) break;
if (RTEST(ret)) rb_ary_push(ary, keystr);
}
for (i = 0; i < RARRAY(ary)->len; i++)
rb_gdbm_delete(obj, RARRAY(ary)->ptr[i]);
if (status) rb_jump_tag(status);
if (n > 0) dbmp->di_size = n - RARRAY(ary)->len;
return obj;
}
static VALUE
fgdbm_clear(obj)
VALUE obj;
{
datum key, nextkey;
struct dbmdata *dbmp;
GDBM_FILE dbm;
rb_secure(4);
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
dbmp->di_size = -1;
#if 0
while (key = gdbm_firstkey(dbm), key.dptr) {
if (gdbm_delete(dbm, key)) {
free(key.dptr);
rb_raise(rb_eGDBMError, "%s", gdbm_strerror(gdbm_errno));
}
free(key.dptr);
}
#else
while (key = gdbm_firstkey(dbm), key.dptr) {
for (; key.dptr; key = nextkey) {
nextkey = gdbm_nextkey(dbm, key);
if (gdbm_delete(dbm, key)) {
free(key.dptr);
if (nextkey.dptr) free(nextkey.dptr);
rb_raise(rb_eGDBMError, "%s", gdbm_strerror(gdbm_errno));
}
free(key.dptr);
}
}
#endif
dbmp->di_size = 0;
return obj;
}
static VALUE
fgdbm_invert(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr, valstr;
VALUE hash = rb_hash_new();
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
valstr = rb_gdbm_fetch2(dbm, keystr);
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 fgdbm_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]");
}
fgdbm_store(dbm, RARRAY(pair)->ptr[0], RARRAY(pair)->ptr[1]);
return Qnil;
}
static VALUE
fgdbm_update(obj, other)
VALUE obj, other;
{
rb_iterate(each_pair, other, update_i, obj);
return obj;
}
static VALUE
fgdbm_replace(obj, other)
VALUE obj, other;
{
fgdbm_clear(obj);
rb_iterate(each_pair, other, update_i, obj);
return obj;
}
static VALUE
fgdbm_store(obj, keystr, valstr)
VALUE obj, keystr, valstr;
{
datum key, val;
struct dbmdata *dbmp;
GDBM_FILE dbm;
rb_secure(4);
StringValue(keystr);
key.dptr = RSTRING(keystr)->ptr;
key.dsize = RSTRING(keystr)->len;
StringValue(valstr);
val.dptr = RSTRING(valstr)->ptr;
val.dsize = RSTRING(valstr)->len;
GetDBM(obj, dbmp);
dbmp->di_size = -1;
dbm = dbmp->di_dbm;
if (gdbm_store(dbm, key, val, GDBM_REPLACE)) {
if (errno == EPERM) rb_sys_fail(0);
rb_raise(rb_eGDBMError, "%s", gdbm_strerror(gdbm_errno));
}
return valstr;
}
static VALUE
fgdbm_length(obj)
VALUE obj;
{
datum key, nextkey;
struct dbmdata *dbmp;
GDBM_FILE dbm;
int i = 0;
GetDBM(obj, dbmp);
if (dbmp->di_size > 0) return INT2FIX(dbmp->di_size);
dbm = dbmp->di_dbm;
for (key = gdbm_firstkey(dbm); key.dptr; key = nextkey) {
nextkey = gdbm_nextkey(dbm, key);
free(key.dptr);
i++;
}
dbmp->di_size = i;
return INT2FIX(i);
}
static VALUE
fgdbm_empty_p(obj)
VALUE obj;
{
datum key;
struct dbmdata *dbmp;
GDBM_FILE dbm;
GetDBM(obj, dbmp);
if (dbmp->di_size < 0) {
dbm = dbmp->di_dbm;
key = gdbm_firstkey(dbm);
if (key.dptr) {
free(key.dptr);
return Qfalse;
}
return Qtrue;
}
if (dbmp->di_size == 0) return Qtrue;
return Qfalse;
}
static VALUE
fgdbm_each_value(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
rb_yield(rb_gdbm_fetch2(dbm, keystr));
}
return obj;
}
static VALUE
fgdbm_each_key(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
rb_yield(keystr);
}
return obj;
}
static VALUE
fgdbm_each_pair(obj)
VALUE obj;
{
GDBM_FILE dbm;
struct dbmdata *dbmp;
VALUE keystr;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
rb_yield(rb_assoc_new(keystr, rb_gdbm_fetch2(dbm, keystr)));
}
return obj;
}
static VALUE
fgdbm_keys(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr, ary;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
ary = rb_ary_new();
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
rb_ary_push(ary, keystr);
}
return ary;
}
static VALUE
fgdbm_values(obj)
VALUE obj;
{
datum key, nextkey;
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE valstr, ary;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
ary = rb_ary_new();
for (key = gdbm_firstkey(dbm); key.dptr; key = nextkey) {
nextkey = gdbm_nextkey(dbm, key);
valstr = rb_gdbm_fetch(dbm, key);
free(key.dptr);
rb_ary_push(ary, valstr);
}
return ary;
}
static VALUE
fgdbm_has_key(obj, keystr)
VALUE obj, keystr;
{
datum key;
struct dbmdata *dbmp;
GDBM_FILE dbm;
StringValue(keystr);
key.dptr = RSTRING(keystr)->ptr;
key.dsize = RSTRING(keystr)->len;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
if (gdbm_exists(dbm, key))
return Qtrue;
return Qfalse;
}
static VALUE
fgdbm_has_value(obj, valstr)
VALUE obj, valstr;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr, valstr2;
StringValue(valstr);
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
valstr2 = rb_gdbm_fetch2(dbm, keystr);
if (!NIL_P(valstr2) &&
RSTRING(valstr)->len == RSTRING(valstr2)->len &&
memcmp(RSTRING(valstr)->ptr, RSTRING(valstr2)->ptr,
RSTRING(valstr)->len) == 0) {
return Qtrue;
}
}
return Qfalse;
}
static VALUE
fgdbm_to_a(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr, ary;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
ary = rb_ary_new();
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
rb_ary_push(ary, rb_assoc_new(keystr, rb_gdbm_fetch2(dbm, keystr)));
}
return ary;
}
static VALUE
fgdbm_reorganize(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
rb_secure(4);
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
gdbm_reorganize(dbm);
return obj;
}
static VALUE
fgdbm_sync(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
rb_secure(4);
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
gdbm_sync(dbm);
return obj;
}
static VALUE
fgdbm_set_cachesize(obj, val)
VALUE obj, val;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
int optval;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
optval = FIX2INT(val);
if (gdbm_setopt(dbm, GDBM_CACHESIZE, &optval, sizeof(optval)) == -1) {
rb_raise(rb_eGDBMError, "%s", gdbm_strerror(gdbm_errno));
}
return val;
}
static VALUE
fgdbm_set_fastmode(obj, val)
VALUE obj, val;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
int optval;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
optval = 0;
if (RTEST(val))
optval = 1;
if (gdbm_setopt(dbm, GDBM_FASTMODE, &optval, sizeof(optval)) == -1) {
rb_raise(rb_eGDBMError, "%s", gdbm_strerror(gdbm_errno));
}
return val;
}
static VALUE
fgdbm_set_syncmode(obj, val)
VALUE obj, val;
{
#if !defined(GDBM_SYNCMODE)
fgdbm_set_fastmode(obj, RTEST(val) ? Qfalse : Qtrue);
return val;
#else
struct dbmdata *dbmp;
GDBM_FILE dbm;
int optval;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
optval = 0;
if (RTEST(val))
optval = 1;
if (gdbm_setopt(dbm, GDBM_FASTMODE, &optval, sizeof(optval)) == -1) {
rb_raise(rb_eGDBMError, "%s", gdbm_strerror(gdbm_errno));
}
return val;
#endif
}
static VALUE
fgdbm_to_hash(obj)
VALUE obj;
{
struct dbmdata *dbmp;
GDBM_FILE dbm;
VALUE keystr, hash;
GetDBM(obj, dbmp);
dbm = dbmp->di_dbm;
hash = rb_hash_new();
for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
keystr = rb_gdbm_nextkey(dbm, keystr)) {
rb_hash_aset(hash, keystr, rb_gdbm_fetch2(dbm, keystr));
}
return hash;
}
static VALUE
fgdbm_reject(obj)
VALUE obj;
{
return rb_hash_delete_if(fgdbm_to_hash(obj));
}
void
Init_gdbm()
{
rb_cGDBM = rb_define_class("GDBM", rb_cObject);
rb_eGDBMError = rb_define_class("GDBMError", rb_eStandardError);
rb_eGDBMFatalError = rb_define_class("GDBMFatalError", rb_eException);
rb_include_module(rb_cGDBM, rb_mEnumerable);
rb_define_alloc_func(rb_cGDBM, fgdbm_s_alloc);
rb_define_singleton_method(rb_cGDBM, "open", fgdbm_s_open, -1);
rb_define_method(rb_cGDBM, "initialize", fgdbm_initialize, -1);
rb_define_method(rb_cGDBM, "close", fgdbm_close, 0);
rb_define_method(rb_cGDBM, "[]", fgdbm_aref, 1);
rb_define_method(rb_cGDBM, "fetch", fgdbm_fetch_m, -1);
rb_define_method(rb_cGDBM, "[]=", fgdbm_store, 2);
rb_define_method(rb_cGDBM, "store", fgdbm_store, 2);
rb_define_method(rb_cGDBM, "index", fgdbm_index, 1);
rb_define_method(rb_cGDBM, "indexes", fgdbm_indexes, -1);
rb_define_method(rb_cGDBM, "indices", fgdbm_indexes, -1);
rb_define_method(rb_cGDBM, "select", fgdbm_select, -1);
rb_define_method(rb_cGDBM, "values_at", fgdbm_values_at, -1);
rb_define_method(rb_cGDBM, "length", fgdbm_length, 0);
rb_define_method(rb_cGDBM, "size", fgdbm_length, 0);
rb_define_method(rb_cGDBM, "empty?", fgdbm_empty_p, 0);
rb_define_method(rb_cGDBM, "each", fgdbm_each_pair, 0);
rb_define_method(rb_cGDBM, "each_value", fgdbm_each_value, 0);
rb_define_method(rb_cGDBM, "each_key", fgdbm_each_key, 0);
rb_define_method(rb_cGDBM, "each_pair", fgdbm_each_pair, 0);
rb_define_method(rb_cGDBM, "keys", fgdbm_keys, 0);
rb_define_method(rb_cGDBM, "values", fgdbm_values, 0);
rb_define_method(rb_cGDBM, "shift", fgdbm_shift, 0);
rb_define_method(rb_cGDBM, "delete", fgdbm_delete, 1);
rb_define_method(rb_cGDBM, "delete_if", fgdbm_delete_if, 0);
rb_define_method(rb_cGDBM, "reject!", fgdbm_delete_if, 0);
rb_define_method(rb_cGDBM, "reject", fgdbm_reject, 0);
rb_define_method(rb_cGDBM, "clear", fgdbm_clear, 0);
rb_define_method(rb_cGDBM,"invert", fgdbm_invert, 0);
rb_define_method(rb_cGDBM,"update", fgdbm_update, 1);
rb_define_method(rb_cGDBM,"replace", fgdbm_replace, 1);
rb_define_method(rb_cGDBM,"reorganize", fgdbm_reorganize, 0);
rb_define_method(rb_cGDBM,"sync", fgdbm_sync, 0);
/* rb_define_method(rb_cGDBM,"setopt", fgdbm_setopt, 2); */
rb_define_method(rb_cGDBM,"cachesize=", fgdbm_set_cachesize, 1);
rb_define_method(rb_cGDBM,"fastmode=", fgdbm_set_fastmode, 1);
rb_define_method(rb_cGDBM,"syncmode=", fgdbm_set_syncmode, 1);
rb_define_method(rb_cGDBM, "include?", fgdbm_has_key, 1);
rb_define_method(rb_cGDBM, "has_key?", fgdbm_has_key, 1);
rb_define_method(rb_cGDBM, "member?", fgdbm_has_key, 1);
rb_define_method(rb_cGDBM, "has_value?", fgdbm_has_value, 1);
rb_define_method(rb_cGDBM, "key?", fgdbm_has_key, 1);
rb_define_method(rb_cGDBM, "value?", fgdbm_has_value, 1);
rb_define_method(rb_cGDBM, "to_a", fgdbm_to_a, 0);
rb_define_method(rb_cGDBM, "to_hash", fgdbm_to_hash, 0);
/* flags for gdbm_opn() */
/*
rb_define_const(rb_cGDBM, "READER", INT2FIX(GDBM_READER));
rb_define_const(rb_cGDBM, "WRITER", INT2FIX(GDBM_WRITER));
rb_define_const(rb_cGDBM, "WRCREAT", INT2FIX(GDBM_WRCREAT));
rb_define_const(rb_cGDBM, "NEWDB", INT2FIX(GDBM_NEWDB));
*/
rb_define_const(rb_cGDBM, "FAST", INT2FIX(GDBM_FAST));
/* this flag is obsolete in gdbm 1.8.
On gdbm 1.8, fast mode is default behavior. */
/* gdbm version 1.8 specific */
#if defined(GDBM_SYNC)
rb_define_const(rb_cGDBM, "SYNC", INT2FIX(GDBM_SYNC));
#endif
#if defined(GDBM_NOLOCK)
rb_define_const(rb_cGDBM, "NOLOCK", INT2FIX(GDBM_NOLOCK));
#endif
rb_define_const(rb_cGDBM, "VERSION", rb_str_new2(gdbm_version));
}
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