gcc/testsuite/gcc.dg/format/diag-1.c

   1 /* Test for format diagnostics.  */
   2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=gnu99 -Wformat" } */
   5
   6 #include "format.h"
   7
   8 void
   9 foo (double d)
  10 {
  11   /* This should get a message referring to `hh', not to `H'.  */
  12   printf ("%hhf", d); /* { dg-warning "hh" "%hhf warning" } */
  13   /* This should get a message referring to `ll', not to `q'.  */
  14   printf ("%llf", d); /* { dg-warning "ll" "%llf warning" } */
  15   /* This should get a message referring to 'size_t', not to
  16      'unsigned int' or similar.  */
  17   printf ("%zu", d); /* { dg-warning "size_t" "size_t format warning" } */
  18 }