gcc/testsuite/c-c++-common/analyzer/error-uninit.c

   1 /* Verify that we check for uninitialized values passed to functions
   2    that we have special-cased region-model handling for.  */
   3
   4 extern void error (int __status, int __errnum, const char *__format, ...)
   5      __attribute__ ((__format__ (__printf__, 3, 4)));
   6
   7 void test_uninit_status (int arg)
   8 {
   9   int st;
  10   error (st, 42, "test: %s", arg); /* { dg-warning "use of uninitialized value 'st'" } */
  11 }
  12
  13 void test_uninit_errnum (int st)
  14 {
  15   int num;
  16   error (st, num, "test"); /* { dg-warning "use of uninitialized value 'num'" } */
  17 }
  18
  19 void test_uninit_fmt (int st)
  20 {
  21   const char *fmt;
  22   error (st, 42, fmt); /* { dg-warning "use of uninitialized value 'fmt'" } */
  23 }
  24
  25 void test_uninit_vargs (int st)
  26 {
  27   int arg;
  28   error (st, 42, "test: %s", arg); /* { dg-warning "use of uninitialized value 'arg'" } */
  29 }