#ifndef _BABELTRACE_INTERNAL_H
#define _BABELTRACE_INTERNAL_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+#define BT_EXTERN_C extern "C"
+#else
+#define BT_EXTERN_C
+#endif
+
#define bt_max_t(type, a, b) \
((type) (a) > (type) (b) ? (type) (a) : (type) (b))
/*
- * BT_HIDDEN: set the hidden attribute for internal functions
- * On Windows, symbols are local unless explicitly exported,
- * see https://gcc.gnu.org/wiki/Visibility
+ * BT_EXPORT: set the visibility for exported functions.
*/
#if defined(_WIN32) || defined(__CYGWIN__)
-#define BT_HIDDEN
+#define BT_EXPORT
#else
-#define BT_HIDDEN __attribute__((visibility("hidden")))
+#define BT_EXPORT __attribute__((visibility("default")))
#endif
/*
#define BT_MOVE_REF(ref) \
({ \
- typeof(ref) _ref = ref; \
+ __typeof__(ref) _ref = ref; \
ref = NULL; \
_ref; \
})
+/* Wrapper for g_array_index that adds bound checking. */
+#define bt_g_array_index(a, t, i) \
+ g_array_index((a), t, ({ BT_ASSERT_DBG((i) < (a)->len); (i); }))
+
/*
* Copied from:
* <https://stackoverflow.com/questions/37411809/how-to-elegantly-fix-this-unused-variable-warning/37412551#37412551>:
((void) sizeof((void) (_expr1), (void) (_expr2), \
(void) (_expr3), (void) (_expr4), (void) (_expr5), 0))
+#if defined __clang__
+# if __has_warning("-Wunused-but-set-variable")
+# define BT_DIAG_IGNORE_UNUSED_BUT_SET_VARIABLE \
+ _Pragma("GCC diagnostic ignored \"-Wunused-but-set-variable\"")
+# endif
+#endif
+
+#if !defined BT_DIAG_IGNORE_UNUSED_BUT_SET_VARIABLE
+# define BT_DIAG_IGNORE_UNUSED_BUT_SET_VARIABLE
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
#endif