test/condifomit.c

   1 /* Contributed by Peteran, 12 Jan 2004 */
   2 /* GCC extension: Conditionals with Omitted Operands
   3    "x ? : y" is same as x ? x : y
   4    http://gcc.gnu.org/onlinedocs/gcc-3.3.2/gcc/Conditionals.html#Conditionals
   5 */
   6
   7 /*@+boolint -exportlocal@*/
   8 void cond1(void *testme)
   9 {
  10         int i,j;
  11         i = (testme!=0)? : 0;
  12         j = (testme!=0)? (testme!=0): 0;
  13 }
  14
  15 int cond2(void *testme)
  16 {
  17         return (testme!=0)? : 0;
  18 }
  19
  20 int cond3(int testme)
  21 {
  22         return testme? testme: 0;
  23 }
  24
  25 void test_use_before_definition() {
  26         int i;
  27         printf("%d\n", i?:0);
  28 }