gcc/testsuite/c-c++-common/Wformat-pr84258.c

   1 /* { dg-options "-Wformat" } */
   2
   3 int main (int argc, char **argv)
   4 {
   5   char buf[10];
   6
   7   char c[] = "%i";
   8   unsigned char uc[] = "%i";
   9   const char cc[] = "%i";
  10   const unsigned char cuc[] = "%i";
  11
  12   __builtin_sprintf(buf, (char *)c, 1);
  13   __builtin_sprintf(buf, (char *)uc, 1);
  14   __builtin_sprintf(buf, (char *)cc, 1);
  15   __builtin_sprintf(buf, (char *)cuc, 1); /* { dg-warning "format string is not an array of type 'char'" } */
  16   __builtin_sprintf(buf, (const char *)L"foo"); /* { dg-warning "format is a wide character string" } */
  17
  18   return 0;
  19 }