On 'do_ftell_test' the code:
365 if (test_modes[i].fd_mode != O_WRONLY)
366 {
367 char tmpbuf[data_len];
368
369 rewind (fp);
370
371 while (fgets_func (tmpbuf, sizeof (tmpbuf), fp) && !feof (fp));
The 'data_len' is calculated with wsclen and allocated as 'char'. The
subsequent fgetws will then try to write at most 'data_len' wchar_t
in a buffer with just data_len 'char'. This patch fixes it by
allocating the tmpbuf using 'wchar_t' * data_len bytes.
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