gcc/testsuite/gcc.dg/format/ms_c90-scanf-2.c

   1 /* Test for scanf formats.  Formats using C99 features should be rejected
   2    outside of C99 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 (signed char *hhp, float *fp, llong *llp, intmax_t *jp,
  13      size_t *zp, ptrdiff_t *tp)
  14 {
  15   /* Some tests already in c90-scanf-1.c.  */
  16   /* The widths hh, ll, j, z, t are new.  */
  17   scanf ("%hhd", hhp); /* { dg-warning "unknown|format" "%hh is unsupported" } */
  18   scanf ("%I64d", llp); /* { dg-warning "length|C" "%I64 in C90" } */
  19   scanf ("%jd", jp); /* { dg-warning "unknown|format" "%j is unsupported" } */
  20   scanf ("%zu", zp); /* { dg-warning "unknown|format" "%z is unsupported" } */
  21   scanf ("%td", tp); /* { dg-warning "unknown|format" "%t is unsupported" } */
  22   /* The formats F, a, A are new.  */
  23   scanf ("%F", fp); /* { dg-warning "unknown|format" "%F is unsupported" } */
  24   scanf ("%a", fp); /* { dg-warning "unknown|format" "%a is unsupported" } */
  25   scanf ("%A", fp); /* { dg-warning "unknown|format" "%A is unsupported" } */
  26 }