gcc/testsuite/gcc.dg/format/c90-printf-3.c

   1 /* Test for printf formats.  Test that the C90 functions get their default
   2    attributes in strict C90 mode, but the C99 and gettext functions
   3    do not.
   4 */
   5 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   6 /* { dg-do compile } */
   7 /* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
   8
   9 #include "format.h"
  10
  11 void
  12 foo (int i, char *s, size_t n, va_list v0, va_list v1, va_list v2, va_list v3,
  13      va_list v4, va_list v5, va_list v6, va_list v7, va_list v8)
  14 {
  15   fprintf (stdout, "%d", i);
  16   fprintf (stdout, "%ld", i); /* { dg-warning "format" "fprintf" } */
  17   printf ("%d", i);
  18   printf ("%ld", i); /* { dg-warning "format" "printf" } */
  19   /* The "unlocked" functions shouldn't warn in c90 mode.  */
  20   fprintf_unlocked (stdout, "%ld", i); /* { dg-bogus "format" "fprintf_unlocked" } */
  21   printf_unlocked ("%ld", i); /* { dg-bogus "format" "printf_unlocked" } */
  22   sprintf (s, "%d", i);
  23   sprintf (s, "%ld", i); /* { dg-warning "format" "sprintf" } */
  24   vfprintf (stdout, "%d", v0);
  25   vfprintf (stdout, "%Y", v1); /* { dg-warning "format" "vfprintf" } */
  26   vprintf ("%d", v2);
  27   vprintf ("%Y", v3); /* { dg-warning "format" "vprintf" } */
  28   /* The following used to give a bogus warning.  */
  29   vprintf ("%*.*d", v8);
  30   vsprintf (s, "%d", v4);
  31   vsprintf (s, "%Y", v5); /* { dg-warning "format" "vsprintf" } */
  32   snprintf (s, n, "%d", i);
  33   snprintf (s, n, "%ld", i);
  34   vsnprintf (s, n, "%d", v6);
  35   vsnprintf (s, n, "%Y", v7);
  36   printf (gettext ("%d"), i);
  37   printf (gettext ("%ld"), i);
  38   printf (dgettext ("", "%d"), i);
  39   printf (dgettext ("", "%ld"), i);
  40   printf (dcgettext ("", "%d", 0), i);
  41   printf (dcgettext ("", "%ld", 0), i);
  42 }