gcc/testsuite/gcc.dg/format/c90-printf-2.c

   1 /* Test for printf 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 } */
   6 /* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
   7
   8 #include "format.h"
   9
  10 void
  11 foo (int i, double d, llong ll, intmax_t j, size_t z, ptrdiff_t t)
  12 {
  13   /* Some tests already in c90-printf-1.c, e.g. %lf.  */
  14   /* The widths hh, ll, j, z, t are new.  */
  15   printf ("%hhd", i); /* { dg-warning "length|C" "%hh in C90" } */
  16   printf ("%lld", ll); /* { dg-warning "length|C" "%ll in C90" } */
  17   printf ("%jd", j); /* { dg-warning "length|C" "%j in C90" } */
  18   printf ("%zu", z); /* { dg-warning "length|C" "%z in C90" } */
  19   printf ("%td", t); /* { dg-warning "length|C" "%t in C90" } */
  20   /* The formats F, a, A are new.  */
  21   printf ("%F", d); /* { dg-warning "C" "%F in C90" } */
  22   printf ("%a", d); /* { dg-warning "C" "%a in C90" } */
  23   printf ("%A", d); /* { dg-warning "C" "%A in C90" } */
  24 }