gcc/testsuite/gcc.dg/format/multattr-3.c

   1 /* Test for multiple format_arg attributes.  Test for both branches
   2    getting checked.  */
   3 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   4 /* { dg-do compile } */
   5 /* { dg-options "-std=gnu99 -Wformat" } */
   6
   7 #include "format.h"
   8
   9 extern char *ngettext (const char *, const char *, unsigned long int)
  10      __attribute__((__format_arg__(1))) __attribute__((__format_arg__(2)));
  11
  12 void
  13 foo (long l, int nfoo)
  14 {
  15   printf (ngettext ("%d foo", "%d foos", nfoo), nfoo);
  16   printf (ngettext ("%d foo", "%d foos", l), l); /* { dg-warning "int format" "wrong type in conditional expr" } */
  17   printf (ngettext ("%d foo", "%ld foos", l), l); /* { dg-warning "int format" "wrong type in conditional expr" } */
  18   printf (ngettext ("%ld foo", "%d foos", l), l); /* { dg-warning "int format" "wrong type in conditional expr" } */
  19   /* Should allow one case to have extra arguments.  */
  20   printf (ngettext ("1 foo", "%d foos", nfoo), nfoo);
  21   printf (ngettext ("1 foo", "many foos", nfoo), nfoo); /* { dg-warning "too many" "too many args in all branches" } */
  22   printf (ngettext ("", "%d foos", nfoo), nfoo);
  23   printf (ngettext ("1 foo", (nfoo > 0) ? "%d foos" : "no foos", nfoo), nfoo);
  24   printf (ngettext ("%d foo", (nfoo > 0) ? "%d foos" : "no foos", nfoo), nfoo);
  25   printf (ngettext ("%ld foo", (nfoo > 0) ? "%d foos" : "no foos", nfoo), nfoo); /* { dg-warning "long int format" "wrong type" } */
  26   printf (ngettext ("%d foo", (nfoo > 0) ? "%ld foos" : "no foos", nfoo), nfoo); /* { dg-warning "long int format" "wrong type" } */
  27   printf (ngettext ("%d foo", (nfoo > 0) ? "%d foos" : "%ld foos", nfoo), nfoo); /* { dg-warning "long int format" "wrong type" } */
  28 }