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2002-08-26  Ulrich Drepper  <drepper@redhat.com>

	* libio/wfileops.c (_IO_wfile_seekoff): Set fp->_offset after
	finding the read position [PR libc/4265].
	* libio/Makefile (tests): Add bug-rewind2.
	* libio/bug-rewind2.c: New file.
This commit is contained in:
Ulrich Drepper
2002-08-26 08:08:50 +00:00
parent 34816665b6
commit 442685a8ba
5 changed files with 90 additions and 7 deletions
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62
libio/bug-rewind2.c Normal file
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@ -0,0 +1,62 @@
#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);
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;
}