gcc/testsuite/gcc.dg/format/xopen-2.c

   1 /* Test for X/Open format extensions, as found in the
   2    Single Unix Specification.  Test for bug reported by
   3    Pierre-Canalsat PETIT <pierrecanalsat.petit.canalsat@canal-plus.com>
   4    in PR c/6547.  The test for absence of a parameter for a * width was done
   5    too early in the case of operand numbers and vprintf formats.
   6 */
   7 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   8 /* { dg-do compile } */
   9 /* { dg-options "-std=gnu99 -Wformat" } */
  10
  11 #include "format.h"
  12
  13 void vbar (va_list, const char *) __attribute__((__format__(__printf__, 2, 0)));
  14
  15 void
  16 foo (int i, int j, va_list va)
  17 {
  18   printf("%2$*1$c", i, j);
  19   printf("%2$*1$c %2$*1$c", i, j); /* { dg-bogus "too few" "bogus too few dollar" } */
  20   vbar(va, "%*s"); /* { dg-bogus "too few" "bogus too few vprintf" } */
  21 }