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Differential D16068 Diff 56120 source/blender/blenlib/BLI_compiler_attrs.h

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source/blender/blenlib/BLI_compiler_attrs.h

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*/ */
#ifdef __GNUC__ #ifdef __GNUC__
# define ATTR_NONNULL(args...) __attribute__((nonnull(args))) # define ATTR_NONNULL(args...) __attribute__((nonnull(args)))
#else #else
# define ATTR_NONNULL(...) # define ATTR_NONNULL(...)
#endif #endif
/* never returns NULL */ /* never returns NULL */
#if (__GNUC__ * 100 + __GNUC_MINOR__) >= 409 /* gcc4.9+ only */ #ifdef __GNUC__
# define ATTR_RETURNS_NONNULL __attribute__((returns_nonnull)) # define ATTR_RETURNS_NONNULL __attribute__((returns_nonnull))
#else #else
# define ATTR_RETURNS_NONNULL # define ATTR_RETURNS_NONNULL
#endif #endif
/* hint to mark function as it wouldn't return */ /* hint to mark function as it wouldn't return */
#if defined(__GNUC__) || defined(__clang__) #if defined(__GNUC__) || defined(__clang__)
# define ATTR_NORETURN __attribute__((noreturn)) # define ATTR_NORETURN __attribute__((noreturn))
#else #else
# define ATTR_NORETURN # define ATTR_NORETURN
#endif #endif
/* hint to treat any non-null function return value cannot alias any other pointer */ /* hint to treat any non-null function return value cannot alias any other pointer */
#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 403)) #ifdef __GNUC__
# define ATTR_MALLOC __attribute__((malloc)) # define ATTR_MALLOC __attribute__((malloc))
#else #else
# define ATTR_MALLOC # define ATTR_MALLOC
#endif #endif
/* the function return value points to memory (2 args for 'size * tot') */ /* the function return value points to memory (2 args for 'size * tot') */
#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 403)) #ifdef __GNUC__
# define ATTR_ALLOC_SIZE(args...) __attribute__((alloc_size(args))) # define ATTR_ALLOC_SIZE(args...) __attribute__((alloc_size(args)))
#else #else
# define ATTR_ALLOC_SIZE(...) # define ATTR_ALLOC_SIZE(...)
#endif #endif
/* ensures a NULL terminating argument as the n'th last argument of a variadic function */ /* ensures a NULL terminating argument as the n'th last argument of a variadic function */
#ifdef __GNUC__ #ifdef __GNUC__
# define ATTR_SENTINEL(arg_pos) __attribute__((sentinel(arg_pos))) # define ATTR_SENTINEL(arg_pos) __attribute__((sentinel(arg_pos)))
#else #else
# define ATTR_SENTINEL(arg_pos) # define ATTR_SENTINEL(arg_pos)
#endif #endif
/* hint to compiler that function uses printf-style format string */ /* hint to compiler that function uses printf-style format string */
#ifdef __GNUC__ #ifdef __GNUC__
# define ATTR_PRINTF_FORMAT(format_param, dots_param) \ # define ATTR_PRINTF_FORMAT(format_param, dots_param) \
__attribute__((format(printf, format_param, dots_param))) __attribute__((format(printf, format_param, dots_param)))
#else #else
# define ATTR_PRINTF_FORMAT(format_param, dots_param) # define ATTR_PRINTF_FORMAT(format_param, dots_param)
#endif #endif
/* Use to suppress '-Wimplicit-fallthrough' (in place of 'break'). */ /* Use to suppress '-Wimplicit-fallthrough' (in place of 'break'). */
#ifndef ATTR_FALLTHROUGH #ifndef ATTR_FALLTHROUGH
# if defined(__GNUC__) && (__GNUC__ >= 7) /* gcc7.0+ only */ # ifdef __GNUC__
# define ATTR_FALLTHROUGH __attribute__((fallthrough)) # define ATTR_FALLTHROUGH __attribute__((fallthrough))
# else # else
# define ATTR_FALLTHROUGH ((void)0) # define ATTR_FALLTHROUGH ((void)0)
# endif # endif
#endif #endif
/* Declare the memory alignment in Bytes. */ /* Declare the memory alignment in Bytes. */
#if defined(_WIN32) && !defined(FREE_WINDOWS) #if defined(_WIN32) && !defined(FREE_WINDOWS)
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