gcc/testsuite/gcc.dg/nonnull-2.c

   1 /* Test for the invalid use of the "nonnull" function attribute.  */
   2 /* Origin: Jason Thorpe <thorpej@wasabisystems.com> */
   3 /* { dg-do compile } */
   4
   5 extern void func1 () __attribute__((nonnull)); /* { dg-error "without arguments" } */
   6
   7 extern void func2 (char *) __attribute__((nonnull(2))); /* { dg-error "out-of-range operand" } */
   8
   9 extern void func3 (char *) __attribute__((nonnull(foo))); /* { dg-error "invalid operand number|undeclared" } */
  10
  11 extern void func4 (int) __attribute__((nonnull(1))); /* { dg-error "references non-pointer" } */
  12
  13 void
  14 foo (void)
  15 {
  16 }