e60167367e
Update indexer uses of ASSERT and ASSERT_LOG_ONLY to VDO_ASSERT and VDO_ASSERT_LOG_ONLY, respectively. Remove ASSERT and ASSERT_LOG_ONLY. Also rename uds_assertion_failed to vdo_assertion_failed. Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2023 Red Hat
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*/
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#ifndef PERMASSERT_H
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#define PERMASSERT_H
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#include <linux/compiler.h>
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#include "errors.h"
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/* Utilities for asserting that certain conditions are met */
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#define STRINGIFY(X) #X
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/*
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* A hack to apply the "warn if unused" attribute to an integral expression.
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*
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* Since GCC doesn't propagate the warn_unused_result attribute to conditional expressions
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* incorporating calls to functions with that attribute, this function can be used to wrap such an
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* expression. With optimization enabled, this function contributes no additional instructions, but
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* the warn_unused_result attribute still applies to the code calling it.
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*/
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static inline int __must_check vdo_must_use(int value)
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{
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return value;
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}
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/* Assert that an expression is true and return an error if it is not. */
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#define VDO_ASSERT(expr, ...) vdo_must_use(__VDO_ASSERT(expr, __VA_ARGS__))
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/* Log a message if the expression is not true. */
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#define VDO_ASSERT_LOG_ONLY(expr, ...) __VDO_ASSERT(expr, __VA_ARGS__)
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#define __VDO_ASSERT(expr, ...) \
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(likely(expr) ? VDO_SUCCESS \
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: vdo_assertion_failed(STRINGIFY(expr), __FILE__, __LINE__, __VA_ARGS__))
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/* Log an assertion failure message. */
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int vdo_assertion_failed(const char *expression_string, const char *file_name,
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int line_number, const char *format, ...)
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__printf(4, 5);
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#endif /* PERMASSERT_H */
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