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Replace ASSERTV macro with compiler annotation

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Remove the ASSERTV macro and handle suppressing unused 
compiler warnings for variables only in ASSERTs using the 
__attribute__((unused)) compiler annotation.  The annotation
is understood by both gcc and clang.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9671
This commit is contained in:
Matthew Macy
2019-12-05 12:37:00 -08:00
committed by Brian Behlendorf
parent 12395c7b0b
commit 2a8ba608d3
28 changed files with 66 additions and 61 deletions
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lib/libspl/include/assert.h
-2
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@@ -145,7 +145,6 @@ do { \
#define ASSERT0(x) ((void)0)
#define ASSERT(x) ((void)0)
#define assert(x) ((void)0)
#define ASSERTV(x)
#define IMPLY(A, B) ((void)0)
#define EQUIV(A, B) ((void)0)
#else
@@ -156,7 +155,6 @@ do { \
#define ASSERT0 VERIFY0
#define ASSERT VERIFY
#define assert VERIFY
#define ASSERTV(x) x
#define IMPLY(A, B) \
((void)(((!(A)) || (B)) || \
libspl_assert("(" #A ") implies (" #B ")", \