summaryrefslogtreecommitdiff
path: root/gcc/testsuite/g++.dg/warn/miss-format-5.C
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/g++.dg/warn/miss-format-5.C')
-rw-r--r--gcc/testsuite/g++.dg/warn/miss-format-5.C49
1 files changed, 49 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/miss-format-5.C b/gcc/testsuite/g++.dg/warn/miss-format-5.C
new file mode 100644
index 000000000..cbc27b5e5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/miss-format-5.C
@@ -0,0 +1,49 @@
+/* Test warnings for missing format attributes on function pointers. */
+/* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
+/* { dg-do compile } */
+/* { dg-options "-Wmissing-format-attribute" } */
+/* { dg-options "-Wmissing-format-attribute -Wno-abi" { target arm_eabi } } */
+
+#include <stdarg.h>
+
+typedef void (*noattr_t) (const char *, ...);
+typedef noattr_t __attribute__ ((__format__(__printf__, 1, 2))) attr_t;
+
+typedef void (*vnoattr_t) (const char *, va_list);
+typedef vnoattr_t __attribute__ ((__format__(__printf__, 1, 0))) vattr_t;
+
+noattr_t
+foo1 (noattr_t na, attr_t a, int i)
+{
+ if (i)
+ return na;
+ else
+ return a; /* { dg-warning "candidate" "return type warning" } */
+}
+
+attr_t
+foo2 (noattr_t na, attr_t a, int i)
+{
+ if (i)
+ return na;
+ else
+ return a;
+}
+
+vnoattr_t
+foo3 (vnoattr_t vna, vattr_t va, int i)
+{
+ if (i)
+ return vna;
+ else
+ return va; /* { dg-warning "candidate" "return type warning" } */
+}
+
+vattr_t
+foo4 (vnoattr_t vna, vattr_t va, int i)
+{
+ if (i)
+ return vna;
+ else
+ return va;
+}