Avoid implementation-defined strerror behaviour

[openvswitch] / tests / test-vconn.c

diff --git a/tests/test-vconn.c b/tests/test-vconn.c
index 3398c4aa3d0f2d1aede5dd3bc193473d48e8c0e7..31451a27e43dcc920011d08b3e5f7f6fac989608 100644 (file)
--- a/tests/test-vconn.c
+++ b/tests/test-vconn.c
@@ -56,8 +56,9 @@ static void
 check_errno(int a, int b, const char *as, const char *file, int line)
 {
     if (a != b) {
+        char *str_b = strdup(strerror(abs(b)));
         ovs_fatal(0, "%s:%d: %s is %d (%s) but should be %d (%s)",
-                  file, line, as, a, strerror(abs(a)), b, strerror(abs(b)));
+                  file, line, as, a, strerror(abs(a)), b, str_b);
     }
 }