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authorDavid Herrmann <dh.herrmann@gmail.com>2013-11-22 09:19:00 +0100
committerDavid Herrmann <dh.herrmann@gmail.com>2013-11-22 09:19:00 +0100
commitb5be11e82364d65bec3647e6a26dca482bd6a491 (patch)
tree61a19fe3adbf4485d9121e21676f272305e5003e /src/shared
parent5476ad087c0f2d45ab0dab1bab9ef3e9d70418bc (diff)
macro: fix assert_cc() fallback
We need two-level macro-expansion, otherwise __LINE__ will not get evaluated.
Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/macro.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/shared/macro.h b/src/shared/macro.h
index c22de91705..aadb1959c0 100644
--- a/src/shared/macro.h
+++ b/src/shared/macro.h
@@ -145,7 +145,9 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
#if defined(static_assert)
#define assert_cc(expr) static_assert(expr, #expr)
#else
-#define assert_cc(expr) struct _assert_struct_ ## __LINE__ { char x[(expr) ? 0 : -1]; }
+#define assert___cc(expr, line) struct _assert_struct_ ## line { char x[(expr) ? 0 : -1]; }
+#define assert__cc(expr, line) assert___cc((expr), line)
+#define assert_cc(expr) assert__cc((expr), __LINE__)
#endif
#define assert_return(expr, r) \