gcc-4.9/gcc/testsuite/gcc.dg/format/ms_c90-scanf-3.c


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/* Test for scanf formats.  Formats using extensions to the standard
   should be rejected in strict pedantic mode.
*/
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
/* { dg-do compile { target { *-*-mingw* } } } */
/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */

#define USE_SYSTEM_FORMATS
#include "format.h"

void
foo (char **sp, wchar_t **lsp)
{
  /* %a formats for allocation, only recognized in C90 mode, are a
     GNU extension.
  */
  scanf ("%as", sp); /* { dg-warning "flag" "%as is unsupported" } */
  scanf ("%aS", lsp); /* { dg-warning "format|flag" "%aS is unsupported" } */
  scanf ("%a[bcd]", sp); /* { dg-warning "flag" "%a[] is unsupported" } */
}