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0a8e622328
Masks operations require transition from bitmap cardinality to size and vice versa. Replaced the macros LOG_ITEMS_TO_SIZE() and EVENT_COUNT_TO_BYTES() that obfuscated this fact with a utility macro BITS_TO_BYTES(). Removed unused reverse mapping LOG_SIZE_TO_ITEMS(). Signed-off-by: Eyal Ilsar <eilsar@codeaurora.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
/*
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* Copyright (c) 2016, Linaro Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __UTIL_H__
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#define __UTIL_H__
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#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
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#define MIN(x, y) ((x) < (y) ? (x) : (y))
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#define MAX(x, y) ((x) > (y) ? (x) : (y))
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void print_hex_dump(const char *prefix, const void *buf, size_t len);
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#define container_of(ptr, type, member) ({ \
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const typeof(((type *)0)->member)*__mptr = (ptr); \
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(type *)((char *)__mptr - offsetof(type, member)); \
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})
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#define __packed __attribute__((packed))
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#define BITS_TO_BYTES(n) (((n) + 7) / 8)
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#endif
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