import_load ( "os_windows.odin" when ODIN_OS == "windows"; "os_x.odin" when ODIN_OS == "osx"; "os_linux.odin" when ODIN_OS == "linux"; ) write_string :: proc(fd: Handle, str: string) -> (int, Errno) { return write(fd, cast([]u8)str); } read_entire_file :: proc(name: string) -> (data: []u8, success: bool) { fd, err := open(name, O_RDONLY, 0); if err != 0 { return nil, false; } defer close(fd); length: i64; if length, err = file_size(fd); err != 0 { return nil, false; } if length <= 0 { return nil, true; } data := make([]u8, int(length)); if data == nil { return nil, false; } bytes_read, read_err := read(fd, data); if read_err != 0 { free(data); return nil, false; } return data[0..bytes_read], true; } write_entire_file :: proc(name: string, data: []u8) -> (sucess: bool) { fd, err := open(name, O_WRONLY, 0); if err != 0 { return false; } defer close(fd); bytes_written, write_err := write(fd, data); return write_err != 0; }