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/**
* \file compiler.h
* Part of common.h, defines macros for hints to the compiler.
*/
#ifndef COMPILER_H
#define COMPILER_H
#if HAVE___ATTRIBUTE__
# define MALLOC __attribute__((malloc))
# define NONULL __attribute__((nonnull))
# define NONULL_ARGS(...) __attribute__((nonnull (__VA_ARGS__)))
# define PRINTF(_n,_m) __attribute__((format (printf, (_n), (_m))))
# define UNUSED __attribute__((unused))
#else
# warning Less compile time checks as compiler is unsupported
/**
* Mark a function as always returning a new unique pointer or NULL
*/
# define MALLOC
/**
* Mark a function as not taking NULL to any of its pointer parameters
*/
# define NONULL
/**
* Mark a function as not taking NULL to the given list of pointer parameters.
* The list of parameters is 1 based.
*/
# define NONULL_ARGS(...)
/**
* Mark a function as taking printf format style parameter.
* @param _n the 1 based index of the format parameter
* @param _m the 1 based index of the first variable list parameter
*/
# define PRINTF(_n,_m)
/**
* Mark a function paramter as being unused
*/
# define UNUSED
#endif
#endif /* COMPILER_H */
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