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From: Alexey Gladkov <gladkov.alexey@gmail.com>
To: linux-sparse@vger.kernel.org
Cc: Oleg Nesterov <oleg@redhat.com>,
	Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: [PATCH] dissect: add support for _Generic
Date: Tue, 28 Jul 2020 20:35:07 +0200
Message-ID: <20200728183507.422662-1-gladkov.alexey@gmail.com> (raw)

No special support needed for _Generic, so just suppress the warning
about unknown type.

Before:

$ ./test-dissect validation/generic-functions.c

FILE: validation/generic-functions.c

  13:1                    def   f testf                            void ( ... )
  13:1   testf            def . v a                                float
validation/generic-functions.c:13:1: warning: bad expr->type: 31
  13:1   testf            -r- . v a                                float
  14:1                    def   f testd                            void ( ... )
  14:1   testd            def . v a                                double
validation/generic-functions.c:14:1: warning: bad expr->type: 31
  14:1   testd            -r- . v a                                double
  15:1                    def   f testl                            void ( ... )
  15:1   testl            def . v a                                long double
validation/generic-functions.c:15:1: warning: bad expr->type: 31
  15:1   testl            -r- . v a                                long double

After:

$ ./test-dissect validation/generic-functions.c

FILE: validation/generic-functions.c

  13:1                    def   f testf                            void ( ... )
  13:1   testf            def . v a                                float
  13:1   testf            -r- . v a                                float
  14:1                    def   f testd                            void ( ... )
  14:1   testd            def . v a                                double
  14:1   testd            -r- . v a                                double
  15:1                    def   f testl                            void ( ... )
  15:1   testl            def . v a                                long double
  15:1   testl            -r- . v a                                long double

Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>
---
 dissect.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dissect.c b/dissect.c
index ccb7897b..b494f93c 100644
--- a/dissect.c
+++ b/dissect.c
@@ -342,6 +342,7 @@ again:
 	case EXPR_TYPE:		// [struct T]; Why ???
 	case EXPR_VALUE:
 	case EXPR_FVALUE:
+	case EXPR_GENERIC:
 
 	break; case EXPR_LABEL:
 		ret = &label_ctype;
-- 
2.25.4


             reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28 18:35 Alexey Gladkov [this message]
2020-07-28 19:49 ` Oleg Nesterov
2020-07-28 23:10   ` Luc Van Oostenryck
2020-07-29 11:28     ` Oleg Nesterov
2020-07-29 14:50       ` Luc Van Oostenryck
2020-07-30 15:08         ` Oleg Nesterov
2020-07-30 20:00           ` Luc Van Oostenryck
2020-07-31 14:43             ` Oleg Nesterov
2020-07-31 16:13               ` Luc Van Oostenryck
2020-07-30 15:09     ` [PATCH] dissect: support _Generic() a bit more Oleg Nesterov
2020-07-30 20:05       ` Luc Van Oostenryck

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