libio/tst-wmemstream1.c

   1 #include <wchar.h>
   2
   3 extern int fclose (FILE*);
   4
   5 #if defined __GNUC__ && __GNUC__ >= 11
   6 /* Verify that calling fclose on the result of open_wmemstream doesn't
   7    trigger GCC -Wmismatched-dealloc with fclose forward-declared and
   8    without <stdio.h> included first (it is included later, in.
   9    "tst-memstream1.c").  */
  10 #pragma GCC diagnostic push
  11 #pragma GCC diagnostic error "-Wmismatched-dealloc"
  12 #endif
  13
  14 int test_open_wmemstream_no_stdio (void)
  15 {
  16   {
  17     wchar_t *buf;
  18     size_t size;
  19     FILE *f = open_wmemstream (&buf, &size);
  20     fclose (f);
  21   }
  22
  23   {
  24     FILE* (*pf)(wchar_t**, size_t*) = open_wmemstream;
  25     wchar_t *buf;
  26     size_t size;
  27     FILE *f = pf (&buf, &size);
  28     fclose (f);
  29   }
  30   return 0;
  31 }
  32
  33 #if defined __GNUC__ && __GNUC__ >= 11
  34 /* Restore -Wmismatched-dealloc setting.  */
  35 # pragma GCC diagnostic pop
  36 #endif
  37
  38 #define CHAR_T wchar_t
  39 #define W(o) L##o
  40 #define OPEN_MEMSTREAM open_wmemstream
  41
  42 #include "tst-memstream1.c"