/* * SPDX-License-Identifier: GPL-2.0 * * Copyright (c) 2008 Intel Corporation * Copyright (c) 2018 The Linux Foundation. All rights reserved. */ #ifndef _ASCII85_H_ #define _ASCII85_H_ #include <linux/math.h> #include <linux/types.h> #define ASCII85_BUFSZ 6 static inline long ascii85_encode_len(long len) { return DIV_ROUND_UP(len, 4); } static inline const char * ascii85_encode(u32 in, char *out) { int i; if (in == 0) return "z"; out[5] = '\0'; for (i = 5; i--; ) { out[i] = '!' + in % 85; in /= 85; } return out; } #endif