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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-10-24 07:16:46 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-10-24 10:19:14 +0200
commit522d4b9186d4a1c5b5a329f323250a90fde5d91a (patch)
tree36dade0c8d6eb7e4f34d1cc78d54608e2cf81c50
parent01595a4f321ad890270a3bc3e21c98ba51163562 (diff)
downloadrtems-522d4b9186d4a1c5b5a329f323250a90fde5d91a.tar.bz2
malloctest: Hide NULL pointer from compiler
Disabling a warning does not prevent the compiler from reasoning what it is supposed to do with a somewhat undefined function call.
-rw-r--r--testsuites/libtests/malloctest/init.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/testsuites/libtests/malloctest/init.c b/testsuites/libtests/malloctest/init.c
index a775129f0d..be6f2c4755 100644
--- a/testsuites/libtests/malloctest/init.c
+++ b/testsuites/libtests/malloctest/init.c
@@ -1173,21 +1173,20 @@ static void test_heap_size_with_overhead(void)
static void test_posix_memalign(void)
{
void *p1;
+ void **p2;
size_t i;
int sc;
int maximumShift;
/*
* posix_memalign() is declared as never having a NULL first parameter.
- * We need to explicitly disable this compiler warning to make this code
- * warning free.
+ * We need to hide the NULL value from the compiler.
*/
- COMPILER_DIAGNOSTIC_SETTINGS_PUSH
- COMPILER_DIAGNOSTIC_SETTINGS_DISABLE_NONNULL
puts( "posix_memalign - NULL return pointer -- EINVAL" );
- sc = posix_memalign( NULL, 32, 8 );
+ p2 = NULL;
+ RTEMS_OBFUSCATE_VARIABLE( p2 );
+ sc = posix_memalign( p2, 32, 8 );
fatal_posix_service_status( sc, EINVAL, "posix_memalign NULL pointer" );
- COMPILER_DIAGNOSTIC_SETTINGS_POP
puts( "posix_memalign - alignment of 0 -- EINVAL" );
sc = posix_memalign( &p1, 0, 8 );