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#include <stdio.h>
#include <wchar.h>
static int fd;
static void prepare (void);
#define PREPARE(argc, argv) prepare ()
#define TEST_FUNCTION do_test ()
static int do_test (void);
#include "../test-skeleton.c"
static void
prepare (void)
{
fd = create_temp_file ("wrewind2.", NULL);
if (fd == -1)
exit (3);
}
static int
do_test (void)
{
wchar_t dummy[10];
int ret = 0;
FILE *fp;
int result = 0;
fp = fdopen (fd, "w+");
if (fp == NULL)
{
puts ("fopen(""testfile"", ""w+"") returned NULL.");
return 1;
}
else
{
fwprintf (fp, L"abcd");
printf ("current pos = %ld\n", ftell (fp));
if (ftell (fp) != 4)
result = 1;
rewind (fp);
ret = fwscanf (fp, L"%c", dummy);
if (ret != 1)
{
printf ("fwscanf returned %d, expected 1\n", ret);
result = 1;
}
printf ("current pos = %ld\n", ftell (fp));
if (ftell (fp) != 1)
result = 1;
rewind (fp);
printf ("current pos = %ld\n", ftell (fp));
if (ftell (fp) != 0)
result = 1;
fclose (fp);
}
return result;
}
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