1 files changed, 109 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/ms_c99-printf-1.c b/gcc/testsuite/gcc.dg/format/ms_c99-printf-1.c
new file mode 100644
index 000000000..ad5634ceb
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/format/ms_c99-printf-1.c
@@ -0,0 +1,109 @@
+/* Test for printf formats.  Formats using C99 features, including cases
+   where C99 specifies some aspect of the format to be ignored or where
+   the behavior is undefined.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, unsigned int u, double d, char *s, void *p, int *n,
+     long double ld, wint_t lc, wchar_t *ls, long long int ll,
+     unsigned long long int ull, signed char *ss, unsigned char *us,
+     long long int *lln, intmax_t j, uintmax_t uj, intmax_t *jn,
+     size_t z, signed_size_t sz, signed_size_t *zn,
+     ptrdiff_t t, ptrdiff_t *tn)
+{
+  /* See ISO/IEC 9899:1999 (E) subclause 7.19.6.1 (pages 273-281).
+     We do not repeat here most of the checks for correct C90 formats
+     or completely broken formats.
+  */
+  /* Valid and invalid %h, %hh, %l, %j, %z, %t, %L constructions.  */
+  printf ("%hf", d); /* { dg-warning "length" "bad use of %h" } */
+  printf ("%hF", d); /* { dg-warning "unknown|format" "bad use of %hF" } */
+  printf ("%he", d); /* { dg-warning "length" "bad use of %h" } */
+  printf ("%hE", d); /* { dg-warning "length" "bad use of %h" } */
+  printf ("%hg", d); /* { dg-warning "length" "bad use of %h" } */
+  printf ("%hG", d); /* { dg-warning "length" "bad use of %h" } */
+  printf ("%ha", d); /* { dg-warning "unknown|format" "bad use of %ha" } */
+  printf ("%hA", d); /* { dg-warning "unknown|format" "bad use of %hA" } */
+  printf ("%hc", i);
+  printf ("%hs", (short *)s);
+  printf ("%hp", p); /* { dg-warning "length" "bad use of %h" } */
+  printf ("%lc", lc);
+  printf ("%ls", ls);
+  printf ("%lp", p); /* { dg-warning "length|C" "bad use of %l" } */
+  /* Valid uses of each bare conversion.  */
+  printf ("%d%i%o%u%x%X%f%e%E%g%G%c%s%p%n%%", i, i, u, u, u, u,
+	  d, d, d, d, d, i, s, p, n);
+  /* Uses of the - flag (valid on all non-%, non-n conversions).  */
+  printf ("%-d%-i%-o%-u%-x%-X%-f%-e%-E%-g%-G%-c%-s%-p", i, i,
+	  u, u, u, u, d, d, d, d, d, i, s, p);
+  printf ("%-n", n); /* { dg-warning "flag" "bad use of %-n" } */
+  /* Uses of the + flag (valid on signed conversions only).  */
+  printf ("%+d%+i%+f%+e%+E%+g%+G\n", i, i, d, d, d, d, d);
+  printf ("%+o", u); /* { dg-warning "flag" "bad use of + flag" } */
+  printf ("%+u", u); /* { dg-warning "flag" "bad use of + flag" } */
+  printf ("%+x", u); /* { dg-warning "flag" "bad use of + flag" } */
+  printf ("%+X", u); /* { dg-warning "flag" "bad use of + flag" } */
+  printf ("%+c", i); /* { dg-warning "flag" "bad use of + flag" } */
+  printf ("%+s", s); /* { dg-warning "flag" "bad use of + flag" } */
+  printf ("%+p", p); /* { dg-warning "flag" "bad use of + flag" } */
+  printf ("%+n", n); /* { dg-warning "flag" "bad use of + flag" } */
+  /* Uses of the space flag (valid on signed conversions only, and ignored
+     with +).
+  */
+  printf ("% +d", i); /* { dg-warning "use of both|ignored" "use of space and + flags" } */
+  printf ("%+ d", i); /* { dg-warning "use of both|ignored" "use of space and + flags" } */
+  printf ("% d% i% f% e% E% g% G\n", i, i, d, d, d, d, d);
+  printf ("% o", u); /* { dg-warning "flag" "bad use of space flag" } */
+  printf ("% u", u); /* { dg-warning "flag" "bad use of space flag" } */
+  printf ("% x", u); /* { dg-warning "flag" "bad use of space flag" } */
+  printf ("% X", u); /* { dg-warning "flag" "bad use of space flag" } */
+  printf ("% c", i); /* { dg-warning "flag" "bad use of space flag" } */
+  printf ("% s", s); /* { dg-warning "flag" "bad use of space flag" } */
+  printf ("% p", p); /* { dg-warning "flag" "bad use of space flag" } */
+  printf ("% n", n); /* { dg-warning "flag" "bad use of space flag" } */
+  /* Uses of the # flag.  */
+  printf ("%#o%#x%#X%#e%#E%#f%#g%#G", u, u, u, d, d, d,
+	  d, d);
+  printf ("%#d", i); /* { dg-warning "flag" "bad use of # flag" } */
+  printf ("%#i", i); /* { dg-warning "flag" "bad use of # flag" } */
+  printf ("%#u", u); /* { dg-warning "flag" "bad use of # flag" } */
+  printf ("%#c", i); /* { dg-warning "flag" "bad use of # flag" } */
+  printf ("%#s", s); /* { dg-warning "flag" "bad use of # flag" } */
+  printf ("%#p", p); /* { dg-warning "flag" "bad use of # flag" } */
+  printf ("%#n", n); /* { dg-warning "flag" "bad use of # flag" } */
+  /* Uses of the 0 flag.  */
+  printf ("%08d%08i%08o%08u%08x%08X%08e%08E%08f%08g%08G", i, i,
+	  u, u, u, u, d, d, d, d, d);
+  printf ("%0c", i); /* { dg-warning "flag" "bad use of 0 flag" } */
+  printf ("%0s", s); /* { dg-warning "flag" "bad use of 0 flag" } */
+  printf ("%0p", p); /* { dg-warning "flag" "bad use of 0 flag" } */
+  printf ("%0n", n); /* { dg-warning "flag" "bad use of 0 flag" } */
+  /* 0 flag ignored with - flag.  */
+  printf ("%-08d", i); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08i", i); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08o", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08u", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08x", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08X", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08e", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08E", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08f", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08F", d); /* { dg-warning "unknown|format" "0 flag ignored with - flag" } */
+  printf ("%-08g", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08G", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+  printf ("%-08a", d); /* { dg-warning "unknown|format" "0 flag ignored with - flag" } */
+  printf ("%-08A", d); /* { dg-warning "unknown|format" "0 flag ignored with - flag" } */
+  /* Various tests of bad argument types.  Mostly covered in c90-printf-1.c;
+     here just test for pointer target sign with %hhn.  (Probably allowed
+     by the standard, but a bad idea, so GCC should diagnose if what
+     is used is not signed char *.)
+  */
+  printf ("%hhn", s); /* { dg-warning "unknown|format" "%hhn is unsupported" } */
+  printf ("%hhn", us); /* { dg-warning "unknown|format" "%hhn is unsupported" } */
+}