Tests: Suppress Visual Studio 2012 Code Analysis warnings

diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index 04ee3a8..22e03e4 100644 (file)
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 10630
+#define LIBUSB_NANO 10631

diff --git a/tests/testlib.c b/tests/testlib.c
index 77395cb..e69aa39 100644 (file)
--- a/tests/testlib.c
+++ b/tests/testlib.c
@@ -48,6 +48,7 @@
 #define NULL_PATH "/dev/null"
 #endif
 #define INVALID_FD -1
+#define IGNORE_RETVAL(expr) do { (void)(expr); } while(0)
 
 /**
  * Converts a test result code into a human readable string.
@@ -81,11 +82,11 @@ static void cleanup_test_output(libusbx_testlib_ctx * ctx)
 #ifndef DISABLE_STDOUT_REDIRECTION
        if (!ctx->verbose) {
                if (ctx->old_stdout != INVALID_FD) {
-                       dup2(ctx->old_stdout, STDOUT_FILENO);
+                       IGNORE_RETVAL(dup2(ctx->old_stdout, STDOUT_FILENO));
                        ctx->old_stdout = INVALID_FD;
                }
                if (ctx->old_stderr != INVALID_FD) {
-                       dup2(ctx->old_stderr, STDERR_FILENO);
+                       IGNORE_RETVAL(dup2(ctx->old_stderr, STDERR_FILENO));
                        ctx->old_stderr = INVALID_FD;
                }
                if (ctx->null_fd != INVALID_FD) {