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-rw-r--r--ruby_1_8_5/ext/gdbm/gdbm.c1022
1 files changed, 1022 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/gdbm/gdbm.c b/ruby_1_8_5/ext/gdbm/gdbm.c
new file mode 100644
index 0000000000..691d512460
--- /dev/null
+++ b/ruby_1_8_5/ext/gdbm/gdbm.c
@@ -0,0 +1,1022 @@
+/************************************************
+
+ gdbm.c -
+
+ $Author: usa $
+ $Date: 2005/06/20 07:53:20 $
+ 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 RUBY_GDBM_RW_BIT 0x20000000
+
+#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)
+
+#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) 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_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 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);
+
+ if (flags & RUBY_GDBM_RW_BIT) {
+ flags &= ~RUBY_GDBM_RW_BIT;
+ dbm = gdbm_open(RSTRING(file)->ptr, MY_BLOCK_SIZE,
+ flags, mode, MY_FATAL_FUNC);
+ }
+ else {
+ 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;
+
+ GetDBM2(obj, dbmp, 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);
+ GetDBM2(obj, dbmp, 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);
+ }
+ GetDBM2(obj, dbmp, 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));
+ VALUE v = rb_yield(assoc);
+
+ if (RTEST(v)) {
+ rb_ary_push(new, assoc);
+ }
+ GetDBM2(obj, dbmp, dbm);
+ }
+ }
+ 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 void
+rb_gdbm_modify(obj)
+ VALUE obj;
+{
+ rb_secure(4);
+ if (OBJ_FROZEN(obj)) rb_error_frozen("GDBM");
+}
+
+static VALUE
+rb_gdbm_delete(obj, keystr)
+ VALUE obj, keystr;
+{
+ datum key;
+ struct dbmdata *dbmp;
+ GDBM_FILE dbm;
+
+ rb_gdbm_modify(obj);
+ StringValue(keystr);
+ key.dptr = RSTRING(keystr)->ptr;
+ key.dsize = RSTRING(keystr)->len;
+
+ GetDBM2(obj, dbmp, 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_gdbm_modify(obj);
+ GetDBM2(obj, dbmp, 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_gdbm_modify(obj);
+ GetDBM2(obj, dbmp, 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);
+ GetDBM2(obj, dbmp, dbm);
+ }
+
+ 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_gdbm_modify(obj);
+ GetDBM2(obj, dbmp, 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();
+
+ GetDBM2(obj, dbmp, 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_gdbm_modify(obj);
+ StringValue(keystr);
+ StringValue(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 (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;
+
+ GetDBM2(obj, dbmp, dbm);
+ if (dbmp->di_size > 0) return INT2FIX(dbmp->di_size);
+
+ 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;
+
+ GetDBM2(obj, dbmp, dbm);
+ for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
+ keystr = rb_gdbm_nextkey(dbm, keystr)) {
+
+ rb_yield(rb_gdbm_fetch2(dbm, keystr));
+ GetDBM2(obj, dbmp, dbm);
+ }
+ return obj;
+}
+
+static VALUE
+fgdbm_each_key(obj)
+ VALUE obj;
+{
+ struct dbmdata *dbmp;
+ GDBM_FILE dbm;
+ VALUE keystr;
+
+ GetDBM2(obj, dbmp, dbm);
+ for (keystr = rb_gdbm_firstkey(dbm); RTEST(keystr);
+ keystr = rb_gdbm_nextkey(dbm, keystr)) {
+
+ rb_yield(keystr);
+ GetDBM2(obj, dbmp, dbm);
+ }
+ return obj;
+}
+
+static VALUE
+fgdbm_each_pair(obj)
+ VALUE obj;
+{
+ GDBM_FILE dbm;
+ struct dbmdata *dbmp;
+ VALUE keystr;
+
+ GetDBM2(obj, dbmp, 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)));
+ GetDBM2(obj, dbmp, dbm);
+ }
+
+ return obj;
+}
+
+static VALUE
+fgdbm_keys(obj)
+ VALUE obj;
+{
+ struct dbmdata *dbmp;
+ GDBM_FILE dbm;
+ VALUE keystr, ary;
+
+ GetDBM2(obj, dbmp, 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;
+
+ GetDBM2(obj, dbmp, 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;
+
+ GetDBM2(obj, dbmp, 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);
+ GetDBM2(obj, dbmp, 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;
+
+ GetDBM2(obj, dbmp, 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_gdbm_modify(obj);
+ GetDBM2(obj, dbmp, dbm);
+ gdbm_reorganize(dbm);
+ return obj;
+}
+
+static VALUE
+fgdbm_sync(obj)
+ VALUE obj;
+{
+ struct dbmdata *dbmp;
+ GDBM_FILE dbm;
+
+ rb_gdbm_modify(obj);
+ GetDBM2(obj, dbmp, dbm);
+ gdbm_sync(dbm);
+ return obj;
+}
+
+static VALUE
+fgdbm_set_cachesize(obj, val)
+ VALUE obj, val;
+{
+ struct dbmdata *dbmp;
+ GDBM_FILE dbm;
+ int optval;
+
+ GetDBM2(obj, dbmp, 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;
+
+ GetDBM2(obj, dbmp, 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;
+
+ GetDBM2(obj, dbmp, 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;
+
+ GetDBM2(obj, dbmp, 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, "closed?", fgdbm_closed, 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_open() */
+ rb_define_const(rb_cGDBM, "READER", INT2FIX(GDBM_READER|RUBY_GDBM_RW_BIT));
+ rb_define_const(rb_cGDBM, "WRITER", INT2FIX(GDBM_WRITER|RUBY_GDBM_RW_BIT));
+ rb_define_const(rb_cGDBM, "WRCREAT", INT2FIX(GDBM_WRCREAT|RUBY_GDBM_RW_BIT));
+ rb_define_const(rb_cGDBM, "NEWDB", INT2FIX(GDBM_NEWDB|RUBY_GDBM_RW_BIT));
+
+ 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));
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 15:19:27 +0000