1  /* Test for format checking of conditional expressions.  */
       2  /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=gnu99 -Wformat" } */
       5  
       6  #include "format.h"
       7  
       8  void
       9  foo (long l, int nfoo)
      10  {
      11    printf ((nfoo > 1) ? "%d foos" : "%d foo", nfoo);
      12    printf ((l > 1) ? "%d foos" /* { dg-warning "23:int" "wrong type in conditional expr" } */
      13  	          : "%d foo", l); /* { dg-warning "23:int" "wrong type in conditional expr" } */
      14    printf ((l > 1) ? "%ld foos" : "%d foo", l); /* { dg-warning "36:int" "wrong type in conditional expr" } */
      15    printf ((l > 1) ? "%d foos" : "%ld foo", l); /* { dg-warning "23:int" "wrong type in conditional expr" } */
      16    /* Should allow one case to have extra arguments.  */
      17    printf ((nfoo > 1) ? "%d foos" : "1 foo", nfoo);
      18    printf ((nfoo > 1) ? "many foos" : "1 foo", nfoo); /* { dg-warning "38:too many" "too many args in all branches" } */
      19    printf ((nfoo > 1) ? "%d foos" : "", nfoo);
      20    printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "1 foo" : "no foos"), nfoo);
      21    printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo);
      22    printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%ld foos"), nfoo); /* { dg-warning "64:long int" "wrong type" } */
      23    printf ((nfoo > 1) ? "%ld foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo); /* { dg-warning "27:long int" "wrong type" } */
      24    printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%ld foo" : "%d foos"), nfoo); /* { dg-warning "53:long int" "wrong type" } */
      25    /* Extra arguments to NULL should be complained about.  */
      26    printf (0, "foo"); /* { dg-warning "14:too many" "NULL extra args" } */
      27    /* { dg-warning "null" "null format arg" { target *-*-* } .-1 } */
      28  }