1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/c99-printf-2.c b/gcc/testsuite/gcc.dg/format/c99-printf-2.c
new file mode 100644
index 0000000..26b9de9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/format/c99-printf-2.c
@@ -0,0 +1,36 @@
+/* Test for printf formats.  Formats using extensions to the standard
+   should be rejected in strict pedantic mode.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+typedef __SIZE_TYPE__ size_t;
+typedef __WCHAR_TYPE__ wchar_t;
+typedef __WINT_TYPE__ wint_t;
+
+extern int printf (const char *, ...);
+
+void
+foo (int i, long long ll, size_t z, wint_t lc, wchar_t *ls)
+{
+  /* The length modifiers q, Z and L as applied to integer formats are
+     extensions.
+  */
+  printf ("%qd", ll); /* { dg-warning "C" "%q length" } */
+  printf ("%Ld", ll); /* { dg-warning "C" "%L length" } */
+  printf ("%Zd", z); /* { dg-warning "C" "%Z length" } */
+  /* The conversion specifiers C and S are X/Open extensions; the
+     conversion specifier m is a GNU extension.
+  */
+  printf ("%m"); /* { dg-warning "C" "printf %m" } */
+  printf ("%C", lc); /* { dg-warning "C" "printf %C" } */
+  printf ("%S", ls); /* { dg-warning "C" "printf %S" } */
+  /* The flag character ', and the use of operand number $ formats, are
+     X/Open extensions.
+  */
+  printf ("%'d", i); /* { dg-warning "C" "printf ' flag" } */
+  printf ("%1$d", i); /* { dg-warning "C" "printf $ format" } */
+  /* The flag character I is a GNU extension.  */
+  printf ("%Id", i); /* { dg-warning "C" "printf I flag" } */
+}