gcc/testsuite/gcc.dg/format/plus-1.c

   1 /* Test for printf formats using string literal plus constant.
   2  */
   3 /* Origin: Jakub Jelinek <jakub@redhat.com> */
   4 /* { dg-do compile } */
   5 /* { dg-options "-std=iso9899:1990 -pedantic -Wformat=2" } */
   6
   7 #include "format.h"
   8
   9 void
  10 foo (int i)
  11 {
  12   printf ("%%d\n" + 1, i);
  13   printf (5 + "%.-*d%3d\n", i);
  14   printf ("%d%d" + 2, i, i);    /* { dg-warning "arguments" "wrong number of args" } */
  15   printf (3 + "%d\n");          /* { dg-warning "zero-length" "zero-length string" } */
  16   printf ("%d\n" + i, i);       /* { dg-warning "not a string" "non-constant addend" } */
  17   printf ("%d\n" + 10);         /* { dg-warning "not a string" "too large addend" } */
  18   printf ("%d\n" - 1, i);       /* { dg-warning "not a string" "minus constant" } */
  19   printf ("%d\n" + -1, i);      /* { dg-warning "not a string" "negative addend" } */
  20 }