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

   1 /* Test for bugs with %z and %Z formats.  See PRs c/89, c/156, c/376.  */
   2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   3 /* { dg-do compile } */
   4 /* { dg-options "-Wformat" } */
   5
   6 #include "format.h"
   7
   8 size_t
   9 foo (void)
  10 {
  11   size_t t;
  12   scanf ("%zu", &t); /* { dg-bogus "length|format" "bogus scanf warning" } */
  13   return t;
  14 }
  15
  16 void
  17 bar (size_t t)
  18 {
  19   printf ("%zu\n", t); /* { dg-bogus "format" "bogus printf warning" } */
  20 }
  21
  22 /* The %Z printf format is an old GNU libc extension to do the same thing.  */
  23
  24 void
  25 baz (size_t t)
  26 {
  27   printf ("%Zu\n", t); /* { dg-bogus "format" "bogus printf warning" } */
  28 }