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malloctest: Hide NULL pointer from compiler

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Disabling a warning does not prevent the compiler from reasoning what it
is supposed to do with a somewhat undefined function call.
This commit is contained in:
Sebastian Huber
2018-10-24 07:16:46 +02:00
parent 01595a4f32
commit 522d4b9186
1 changed files with 5 additions and 6 deletions
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11
testsuites/libtests/malloctest/init.c
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@@ -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 );