gcc/testsuite/gcc.dg/format/ext-6.c

   1 /* Test for format extensions.  Test that the C99 functions get their
   2    default attributes in gnu89 mode.
   3 */
   4 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   5 /* { dg-do compile } */
   6 /* { dg-options "-std=gnu89 -Wformat" } */
   7
   8 #include "format.h"
   9
  10 void
  11 foo (int i, char *s, size_t n, int *ip, va_list v0, va_list v1, va_list v2,
  12      va_list v3, va_list v4, va_list v5, va_list v6, va_list v7, va_list v8,
  13      va_list v9, va_list v10, va_list v11, va_list v12, va_list v13)
  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   fprintf_unlocked (stdout, "%d", i);
  20   fprintf_unlocked (stdout, "%ld", i); /* { dg-warning "format" "fprintf_unlocked" } */
  21   printf_unlocked ("%d", i);
  22   printf_unlocked ("%ld", i); /* { dg-warning "format" "printf_unlocked" } */
  23   sprintf (s, "%d", i);
  24   sprintf (s, "%ld", i); /* { dg-warning "format" "sprintf" } */
  25   snprintf (s, n, "%d", i);
  26   snprintf (s, n, "%ld", i); /* { dg-warning "format" "snprintf" } */
  27   vfprintf (stdout, "%d", v0);
  28   vfprintf (stdout, "%Y", v1); /* { dg-warning "format" "vfprintf" } */
  29   vprintf ("%d", v2);
  30   vprintf ("%Y", v3); /* { dg-warning "format" "vprintf" } */
  31   vsprintf (s, "%d", v4);
  32   vsprintf (s, "%Y", v5); /* { dg-warning "format" "vsprintf" } */
  33   vsnprintf (s, n, "%d", v6);
  34   vsnprintf (s, n, "%Y", v7); /* { dg-warning "format" "vsnprintf" } */
  35   fscanf (stdin, "%d", ip);
  36   fscanf (stdin, "%ld", ip); /* { dg-warning "format" "fscanf" } */
  37   scanf ("%d", ip);
  38   scanf ("%ld", ip); /* { dg-warning "format" "scanf" } */
  39   sscanf (s, "%d", ip);
  40   sscanf (s, "%ld", ip); /* { dg-warning "format" "sscanf" } */
  41   vfscanf (stdin, "%d", v8);
  42   vfscanf (stdin, "%Y", v9); /* { dg-warning "format" "vfscanf" } */
  43   vscanf ("%d", v10);
  44   vscanf ("%Y", v11); /* { dg-warning "format" "vscanf" } */
  45   vsscanf (s, "%d", v12);
  46   vsscanf (s, "%Y", v13); /* { dg-warning "format" "vsscanf" } */
  47 }