gcc/testsuite/gcc.dg/format/c99-scanf-4.c

   1 /* Test for scanf formats.  Formats using extensions to the standard
   2    should be rejected in strict pedantic mode.
   3 */
   4 /* { dg-do compile } */
   5 /* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
   6
   7 #include "format.h"
   8
   9 void
  10 foo (char **sp, wchar_t **lsp)
  11 {
  12   /* m assignment-allocation modifier, recognized in both C90
  13      and C99 modes, is a POSIX and ISO/IEC WDTR 24731-2 extension.  */
  14   scanf ("%ms", sp); /* { dg-warning "C" "%ms" } */
  15   scanf ("%mS", lsp); /* { dg-warning "C" "%mS" } */
  16   scanf ("%mls", lsp); /* { dg-warning "C" "%mls" } */
  17   scanf ("%m[bcd]", sp); /* { dg-warning "C" "%m[]" } */
  18   scanf ("%ml[bcd]", lsp); /* { dg-warning "C" "%ml[]" } */
  19 }