mirror of
https://github.com/clearlinux/graphene.git
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Michał Kowalczyk
44e186c503
- Make assert() a no-op in non-debug builds. - Use static_assert for compile-time asserts. - Fix assert() implementation (previous version didn't work for expressions with types larger than long, it also always printed `(value:0)`). - Clean up calls to asserts.
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* assert.h
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*
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* Define a common interface for assertions that builds for both the PAL
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* and libOS.
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*
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*/
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#ifndef ASSERT_H
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#define ASSERT_H
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#include <stdnoreturn.h>
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#define static_assert _Static_assert
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/* All environments should implement warn, which prints a non-optional debug
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* message. All environments should also implement __abort, which
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* terminates the process.
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*/
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void warn(const char* format, ...) __attribute__((format(printf, 1, 2)));
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noreturn void __abort(void);
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/* TODO(mkow): We should actually use the standard `NDEBUG`, but that would require changes in the
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* build system.
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*/
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#ifdef DEBUG
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#define assert(expr) \
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({ \
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(!(expr)) ? ({ \
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warn("assert failed " __FILE__ ":%d %s\n", __LINE__, #expr); \
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__abort(); \
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}) \
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: (void)0; \
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})
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#else
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#define assert(expr) ((void)0)
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#endif
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#endif /* ASSERT_H */
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