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Update.

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* libio/fileops.c (_IO_file_xsgetn_mmap): Always set EOF flag is
	not enough content is available.
	* libio/tst-eof.c: New file.
	* libio/Makefile (tests): Add tst-eof.

	* libio/fileops.c (_IO_file_underflow_mmap): Read a single byte to
	update atime.
	* libio/tst-atime.c: New file.
	* libio/Makefile (tests): Add tst-atime.
This commit is contained in:
Ulrich Drepper
2002-06-25 19:33:56 +00:00
parent 51909ff7bf
commit c429248993
5 changed files with 198 additions and 7 deletions
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17
libio/fileops.c
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@ -608,6 +608,13 @@ _IO_file_underflow_mmap (_IO_FILE *fp)
{
if (fp->_IO_read_end < fp->_IO_buf_end)
{
/* A stupid requirement in POSIX says that the first read on a
stream must update the atime. Just read a single byte. We
don't have to worry about repositioning the file descriptor
since the following seek defines its position anyway. */
char ignore[1];
read (fp->_fileno, ignore, 1);
if (
# ifdef _G_LSEEK64
_G_LSEEK64 (fp->_fileno, fp->_IO_buf_end - fp->_IO_buf_base,
@ -1262,12 +1269,10 @@ _IO_file_xsgetn_mmap (fp, data, n)
}
}
if (have == 0)
{
if (s == (char *) data)
fp->_flags |= _IO_EOF_SEEN;
}
else
if (have < n)
fp->_flags |= _IO_EOF_SEEN;
if (have != 0)
{
have = MIN (have, n);
#ifdef _LIBC