1 files changed, 56 insertions, 0 deletions
diff --git a/gdbmobj/gdbmobj2.c b/gdbmobj/gdbmobj2.c
new file mode 100644
index 0000000..e107800
--- /dev/null
+++ b/gdbmobj/gdbmobj2.c
@@ -0,0 +1,56 @@
+/*
+** Copyright 1998 - 1999 Double Precision, Inc.  See COPYING for
+** distribution information.
+*/
+
+#include	"gdbmobj.h"
+
+static char *fetchkeyval(struct gdbmobj *obj, size_t *, char **, size_t *);
+extern char *gdbm_dofetch(struct gdbmobj *, const char *, size_t, size_t *);
+
+char	*gdbmobj_firstkey(struct gdbmobj *obj, size_t *keylen, char **val,
+	size_t *vallen)
+{
+datum	key;
+
+	if (!obj->has_dbf)	return (0);
+
+	if (obj->prev_key)	free(obj->prev_key);
+	obj->prev_key=0;
+
+	key=gdbm_firstkey(obj->dbf);
+
+	if (!key.dptr)	return (0);
+
+	obj->prev_key=key.dptr;
+	obj->prev_key_len=key.dsize;
+	return (fetchkeyval(obj, keylen, val, vallen));
+}
+
+
+static char *fetchkeyval(struct gdbmobj *obj, size_t *keylen, char **val,
+	size_t *vallen)
+{
+	if (!obj->prev_key)	return (0);
+	*val=gdbm_dofetch(obj, obj->prev_key, obj->prev_key_len, vallen);
+	*keylen=obj->prev_key_len;
+	return (obj->prev_key);
+}
+
+char	*gdbmobj_nextkey(struct gdbmobj *obj, size_t *keylen,
+	char **val, size_t *vallen)
+{
+datum	dkey, key;
+
+	if (!obj->has_dbf || !obj->prev_key)	return (0);
+
+	dkey.dptr=(char *)obj->prev_key;
+	dkey.dsize=obj->prev_key_len;
+
+	key=gdbm_nextkey(obj->dbf, dkey);
+
+	free(obj->prev_key);
+	obj->prev_key=key.dptr;
+	obj->prev_key_len=key.dsize;
+	return (fetchkeyval(obj, keylen, val, vallen));
+}