1  /* Test for printf formats.  Formats using extensions to the standard
       2     should be rejected in strict pedantic mode.
       3  */
       4  /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
       5  /* { dg-do compile { target { *-*-mingw* } } } */
       6  /* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
       7  
       8  #define USE_SYSTEM_FORMATS
       9  #include "format.h"
      10  
      11  void
      12  foo (int i, long long ll, size_t z, wint_t lc, wchar_t *ls)
      13  {
      14    /* The length modifiers q, Z and L as applied to integer formats are
      15       extensions.
      16    */
      17    printf ("%qd", ll); /* { dg-warning "unknown|format" "%q length is unsupported" } */
      18    printf ("%Ld", ll); /* { dg-warning "unknown|format" "%L length is unsupported" } */
      19    printf ("%Zd", z); /* { dg-warning "unknown|format" "%Z length is unsupported" } */
      20    /* The conversion specifiers C and S are X/Open extensions; the
      21       conversion specifier m is a GNU extension.
      22    */
      23    printf ("%m"); /* { dg-warning "unknown" "printf %m is unsupported" } */
      24    printf ("%C", lc); /* { dg-warning "C" "printf %C" } */
      25    printf ("%S", ls); /* { dg-warning "C" "printf %S" } */
      26    /* The flag character ', and the use of operand number $ formats, are
      27       X/Open extensions.
      28    */
      29    printf ("%'d", i); /* { dg-warning "C" "printf ' flag" } */
      30    printf ("%1$d", i); /* { dg-warning "C" "printf $ format" } */
      31    printf ("%Ix", z); /* { dg-warning "C" "printf I format" } */
      32  }