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-rw-r--r--gcc/testsuite/gcc.dg/format/miss-1.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/miss-1.c b/gcc/testsuite/gcc.dg/format/miss-1.c
new file mode 100644
index 000000000..3d4b99124
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/format/miss-1.c
@@ -0,0 +1,39 @@
+/* Test for warnings for missing format attributes. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+
+#include "format.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" } */
+ va_end (ap);
+}
+
+__attribute__((__format__(gnu_attr___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" } */
+}