2009-07-05 Bean <bean123ch@gmail.com>

2009-07-05  Bean  <bean123ch@gmail.com>

	* conf/common.rmk (lua_mode_SOURCES): Add script/lua/lstrlib.c.

	* script/lua/grub_lib.c (grub_lua_run): Check input parameter.
	(grub_lua_getenv): Likewise.
	(grub_lua_setenv): Likewise.
	(save_errno): New function.
	(push_result): Likewise.
	(grub_lua_enum_device): Likewise.
	(grub_lua_enum_file): Likewise.
	(grub_lua_file_open): Likewise.
	(grub_lua_file_close): Likewise.
	(grub_lua_file_seek): Likewise.
	(grub_lua_file_read): Likewise.
	(grub_lua_file_getline): Likewise.
	(grub_lua_file_getsize): Likewise.
	(grub_lua_file_getpos): Likewise.
	(grub_lua_file_eof): Likewise.
	(grub_lua_file_exist): Likewise.
	(grub_lua_add_menu): Likewise.

	* script/lua/grub_lua.h (isupper): New inline function.
	(islower): Likewise.
	(ispunct): Likewise.
	(isxdigit): Likewise.
	(strcspn): Change to normal function.
	(strpbkr): New function declaration.
	(memchr): Likewise.

	* script/lua/grub_main.c (scan_str): New function.
	(strcspn): Likewise.
	(strpbrk): Likewise.
	(memchr): Likewise.

	* script/lua/linit.c (lualibs): Enable the string library.

	* util/osdetect.lua: New file.

git-svn-id: svn+ssh://svn.savannah.gnu.org/grub/trunk/grub2@2394 d0de0278-0dc1-4c01-8a07-af38b3205e46