EDGESEC
0.1.0-alpha.0+sha.ca29a8277b72f80785649ea9ef9cd7edf642d939
Secure router - reference implementation
src
utils
attributes.h
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#ifndef ATTRIBUTES_H
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#define ATTRIBUTES_H
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#include <stdlib.h>
// required for `free()` definition in `__must_free`
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#ifndef __must_check
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#if defined __has_attribute
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#if __has_attribute(__warn_unused_result__)
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#define __must_check __attribute__((__warn_unused_result__))
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#else
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#define __must_check
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#endif
/* __has_attribute(__warn_unused_result__) */
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#else
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#define __must_check
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#endif
/* defined __has_attribute */
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#endif
/* __has_attribute */
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#ifndef __maybe_unused
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#if defined __has_attribute
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#if __has_attribute(unused)
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#define __maybe_unused __attribute__((unused))
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#else
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#define __maybe_unused
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#endif
/* __has_attribute(unused) */
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#else
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#define __maybe_unused
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#endif
/* defined __has_attribute */
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#endif
/* __maybe_unused */
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#if defined __has_attribute
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#if __has_attribute(packed)
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#define STRUCT_PACKED __attribute__((packed))
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#else
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#define STRUCT_PACKED
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#endif
/* __has_attribute(packed) */
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#else
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#define STRUCT_PACKED
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#endif
/* defined __has_attribute */
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#if __GNUC__ >= 11
// this syntax will throw an error in GCC 10 or Clang, since
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// __attribute__((malloc)) accepts no args
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#define __must_free __attribute__((malloc(free, 1))) __must_check
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#else
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#define __must_free __must_check
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#endif
/* __GNUC__ >= 11 */
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#endif
/* ATTRIBUTES_H */
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