test: move _cleanup_free_ to util.h

Moving _cleanup_free_ to util.h such that it can be reused in all ioctl
test classes.

Signed-off-by: Dennis Maisenbacher <[email protected]>

Author: MaisenbacherD

test/ioctl/misc.c

@@ -8,15 +8,6 @@
 #include <nvme/ioctl.h>
 #include <nvme/types.h>
 #include <string.h>
-#include <stdlib.h>
-
-#define __cleanup__(fn) __attribute__((cleanup(fn)))
-
-static inline void freep(void *p)
-{
-	free(*(void **)p);
-}
-#define _cleanup_free_ __cleanup__(freep)
 
 #define TEST_FD 0xFD
 #define TEST_NSID 0x12345678

test/ioctl/util.h

@@ -4,6 +4,7 @@
 #define _LIBNVME_TEST_IOCTL_UTIL_H
 
 #include <stddef.h>
+#include <stdlib.h>
 #include <stdnoreturn.h>
 
 noreturn void fail(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
@@ -16,4 +17,12 @@ void arbitrary(void *buf, size_t len);
 
 size_t arbitrary_range(size_t max);
 
+#define __cleanup__(fn) __attribute__((cleanup(fn)))
+
+static inline void freep(void *p)
+{
+	free(*(void **)p);
+}
+#define _cleanup_free_ __cleanup__(freep)
+
 #endif /* #ifndef _LIBNVME_TEST_IOCTL_UTIL_H */