From c821e1cbedc88492bedac775c78707e3cd3e0fd4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Luttringer?= <seblu@seblu.net>
Date: Fri, 6 Oct 2017 20:34:23 +0200
Subject: [PATCH] Replace unused assigment by a cast

This fix compilation error with clang like

clang -DHAVE_CONFIG_H -I.     -Wall -Wextra -std=c99 -pedantic -D_XOPEN_SOURCE=600 -pipe -Werror -DNDEBUG -O3 -MT exec_case.o -MD -MP -MF .deps/exec_case.Tpo -c -o exec_case.o `test -f 'src/exec/exec_case.c' || echo './'`src/exec/exec_case.c
src/exec/exec_case.c:18:8: error: explicitly assigning value of variable of type 's_case_node *' (aka 'struct case_node *') to itself [-Werror,-Wself-assign]
  node = node;
  ~~~~ ^ ~~~~
1 error generated.
---
 src/builtin/builtin_export.c | 2 +-
 src/exec/exec_case.c         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/builtin/builtin_export.c b/src/builtin/builtin_export.c
index fd9b134..835f1fc 100644
--- a/src/builtin/builtin_export.c
+++ b/src/builtin/builtin_export.c
@@ -16,6 +16,6 @@ int	builtin_export(char *argv[])
 {
   assert(argv);
   fprintf(stderr, "%s: export: not yet implemeted.\n", shell->name);
-  argv = argv;
+  (void) argv;
   return 1;
 }
diff --git a/src/exec/exec_case.c b/src/exec/exec_case.c
index 43206fb..43cee7e 100644
--- a/src/exec/exec_case.c
+++ b/src/exec/exec_case.c
@@ -15,5 +15,5 @@ void		exec_case(s_case_node *node)
   assert(node);
   //FIXME: code it
   assert(0);
-  node = node;
+  (void) node;
 }
-- 
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