mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-29 04:09:39 +00:00
070c46505a
The ascii85.h is user of exactly two headers, i.e. math.h and types.h. There is no need to carry on entire kernel.h. Link: https://lkml.kernel.org/r/20210611185915.44181-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
39 lines
555 B
C
39 lines
555 B
C
/*
|
|
* 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
|