gcc/testsuite/gcc.dg/format/ms_c90-scanf-5.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 { target { *-*-mingw* } } } */
   5 /* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
   6
   7 #define USE_SYSTEM_FORMATS
   8 #include "format.h"
   9
  10 void
  11 foo (char **sp, wchar_t **lsp)
  12 {
  13   /* m assignment-allocation modifier, recognized in both C90
  14      and C99 modes, is a POSIX and ISO/IEC WDTR 24731-2 extension.  */
  15   scanf ("%ms", sp); /* { dg-warning "unknown|format" "%ms is unsupported" } */
  16   scanf ("%mS", lsp); /* { dg-warning "unknown|format" "%mS is unsupported" } */
  17   scanf ("%mls", lsp); /* { dg-warning "unknown|format" "%mls is unsupported" } */
  18   scanf ("%m[bcd]", sp); /* { dg-warning "unknown|format" "%m[] is unsupported" } */
  19   scanf ("%ml[bcd]", lsp); /* { dg-warning "unknown|format" "%ml[] is unsupported" } */
  20 }