memory_utils: adapt to new infrastructure

src/lxc/memory_utils.h

@@ -21,16 +21,37 @@
 
 #define call_cleaner(cleaner) __attribute__((__cleanup__(cleaner##_function)))
 
+#define close_prot_errno_disarm(fd) \
+	if (fd >= 0) {              \
+		int _e_ = errno;    \
+		close(fd);          \
+		errno = _e_;        \
+		fd = -EBADF;        \
+	}
+
+static inline void close_prot_errno_disarm_function(int *fd)
+{
+       close_prot_errno_disarm(*fd);
+}
+#define __do_close_prot_errno call_cleaner(close_prot_errno_disarm)
+
+define_cleanup_function(FILE *, fclose);
+#define __do_fclose call_cleaner(fclose)
+
+define_cleanup_function(DIR *, closedir);
+#define __do_closedir call_cleaner(closedir)
+
 #define free_disarm(ptr)       \
 	({                     \
 		free(ptr);     \
 		move_ptr(ptr); \
 	})
 
-static inline void __auto_free__(void *p)
+static inline void free_disarm_function(void *ptr)
 {
-	free(*(void **)p);
+	free_disarm(*(void **)ptr);
 }
+#define __do_free call_cleaner(free_disarm)
 
 static inline void free_string_list(char **list)
 {
@@ -41,38 +62,7 @@ static inline void free_string_list(char **list)
 	}
 }
 define_cleanup_function(char **, free_string_list);
-#define __do_free_string_list \
-	__attribute__((__cleanup__(free_string_list_function)))
-
-static inline void __auto_fclose__(FILE **f)
-{
-	if (*f)
-		fclose(*f);
-}
-
-static inline void __auto_closedir__(DIR **d)
-{
-	if (*d)
-		closedir(*d);
-}
-
-#define close_prot_errno_disarm(fd) \
-	if (fd >= 0) {              \
-		int _e_ = errno;    \
-		close(fd);          \
-		errno = _e_;        \
-		fd = -EBADF;        \
-	}
-
-static inline void __auto_close__(int *fd)
-{
-	close_prot_errno_disarm(*fd);
-}
-
-#define __do_close_prot_errno __attribute__((__cleanup__(__auto_close__)))
-#define __do_free __attribute__((__cleanup__(__auto_free__)))
-#define __do_fclose __attribute__((__cleanup__(__auto_fclose__)))
-#define __do_closedir __attribute__((__cleanup__(__auto_closedir__)))
+#define __do_free_string_list call_cleaner(free_string_list)
 
 static inline void *memdup(const void *data, size_t len)
 {