1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/miss-format-1.C b/gcc/testsuite/g++.dg/warn/miss-format-1.C
new file mode 100644
index 000000000..a35cd9ca9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/miss-format-1.C
@@ -0,0 +1,43 @@
+/* Test for warnings for missing format attributes.  */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-Wmissing-format-attribute" } */
+/* { dg-options "-Wmissing-format-attribute -Wno-abi" { target arm_eabi } } */
+/* VxWorks does not provide vscanf, either in kernel or RTP mode.  */
+/* { dg-error "not declared" "" { target { *-*-solaris2.8 *-*-vxworks* alpha*-dec-osf* } } 26 } */
+
+#include <stdio.h>
+#include <stdarg.h>
+
+void
+foo (const char *fmt, ...)
+{
+  va_list ap;
+  va_start (ap, fmt);
+  vprintf (fmt, ap); /* { dg-warning "candidate" "printf attribute warning" } */
+  va_end (ap);
+}
+
+void
+bar (const char *fmt, ...)
+{
+  va_list ap;
+  va_start (ap, fmt);
+  vscanf (fmt, ap); /* { dg-warning "candidate" "scanf attribute warning" { xfail *-*-solaris2.8 *-*-vxworks* alpha*-dec-osf* } } */
+  va_end (ap);
+}
+
+__attribute__((__format__(__printf__, 1, 2))) void
+foo2 (const char *fmt, ...)
+{
+  va_list ap;
+  va_start (ap, fmt);
+  vprintf (fmt, ap);
+  va_end (ap);
+}
+
+void
+vfoo (const char *fmt, va_list arg)
+{
+  vprintf (fmt, arg); /* { dg-warning "candidate" "printf attribute warning 2" } */
+}