23 #define rest(dst, end) ((end) > (dst) ? (end) - (dst) : 0)  argument
26 static int __init copy_xbc_key_value_list(char *dst, size_t size)  in copy_xbc_key_value_list()  argument
29 	char *key, *end = dst + size;  in copy_xbc_key_value_list()
42 		ret = snprintf(dst, rest(dst, end), "%s = ", key);  in copy_xbc_key_value_list()
45 		dst += ret;  in copy_xbc_key_value_list()
53 				ret = snprintf(dst, rest(dst, end), "%c%s%c%s",  in copy_xbc_key_value_list()
57 				dst += ret;  in copy_xbc_key_value_list()
60 			ret = snprintf(dst, rest(dst, end), "\"\"\n");  in copy_xbc_key_value_list()
63 			dst += ret;  in copy_xbc_key_value_list()
67 		ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",  in copy_xbc_key_value_list()
70 			dst += ret;  in copy_xbc_key_value_list()
75 	return ret < 0 ? ret : dst - (end - size);  in copy_xbc_key_value_list()