1  /* Test for scanf 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=iso9899:1990 -pedantic -Wformat" } */
       7  
       8  #define USE_SYSTEM_FORMATS
       9  #include "format.h"
      10  
      11  void
      12  foo (char **sp, wchar_t **lsp)
      13  {
      14    /* %a formats for allocation, only recognized in C90 mode, are a
      15       GNU extension.
      16    */
      17    scanf ("%as", sp); /* { dg-warning "flag" "%as is unsupported" } */
      18    scanf ("%aS", lsp); /* { dg-warning "format|flag" "%aS is unsupported" } */
      19    scanf ("%a[bcd]", sp); /* { dg-warning "flag" "%a[] is unsupported" } */
      20  }