[libvirt PATCH v3 1/9] internal: Add CONCAT macro
Using the two-step idiom to force resolution of other macros, e.g.:
#define bar BAR
CONCAT_(foo, bar) // foobar
CONCAT(foo, bar) // fooBAR
Signed-off-by: Tim Wiederhake <twiederh(a)redhat.com>
---
src/internal.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/internal.h b/src/internal.h
index e1250a59fe..48188e6fa3 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -93,6 +93,9 @@
#define NUL_TERMINATE(buf) do { (buf)[sizeof(buf)-1] = '\0'; } while (0)
+#define CONCAT_(a, b) a ## b
+#define CONCAT(a, b) CONCAT_(a, b)
+
#ifdef WIN32
# ifndef O_CLOEXEC
# define O_CLOEXEC _O_NOINHERIT
--
2.31.1