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Change unused -> unused_func to remove special case

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The autoconf process automatically generates macros for function
attributes, including empty placeholders. Said empty placeholders also
propagate automatically into config/unconfig.h for the compilers which
don't support autoconf.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin (Intel)
2020-07-01 20:49:04 -07:00
parent fc3e4dcc65
commit b877708a83
3 changed files with 3 additions and 24 deletions
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21
include/compiler.h
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@@ -310,27 +310,6 @@ static inline void *mempcpy(void *dst, const void *src, size_t n)
#define printf_func(fmt, list) format_func3(printf,fmt,list)
#define printf_func_ptr(fmt, list) format_func3_ptr(printf,fmt,list)
/*
* A static [inline] function which either is currently unused but
* likely to be used in the future, or used only under some #if
* combinations. Mark with this option to suppress compiler
* warnings.
*
* This is better than #if(def) because it still lets the compiler
* analyze the function for validity, and it works even for the
* conditional use case.
*
* The macro UNUSED is set to 1 if the unused macro is meaningful,
* otherwise 0; this may be useful in some #if statements.
*/
#ifdef HAVE_FUNC_ATTRIBUTE_UNUSED
# define unused __attribute__((unused))
# define UNUSED 1
#else
# define unused
# define UNUSED 0
#endif
/* Determine probabilistically if something is a compile-time constant */
#ifdef HAVE___BUILTIN_CONSTANT_P
# if defined(__GNUC__) && (__GNUC__ >= 5)