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(_IO_wfile_underflow): Correct not entirely empty external buffer correctly.

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This commit is contained in:
Ulrich Drepper
2000-07-25 18:55:52 +00:00
parent 7f6ba52fc6
commit a756bab867
1 changed files with 6 additions and 8 deletions
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14
libio/wfileops.c
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@@ -179,9 +179,6 @@ _IO_wfile_underflow (fp)
fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_read_end = fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_read_end =
fp->_IO_buf_base; fp->_IO_buf_base;
fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end =
fp->_IO_buf_base;
if (fp->_IO_buf_base == NULL) if (fp->_IO_buf_base == NULL)
{ {
/* Maybe we already have a push back pointer. */ /* Maybe we already have a push back pointer. */
@@ -191,8 +188,14 @@ _IO_wfile_underflow (fp)
fp->_flags &= ~_IO_IN_BACKUP; fp->_flags &= ~_IO_IN_BACKUP;
} }
_IO_doallocbuf (fp); _IO_doallocbuf (fp);
fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_read_end =
fp->_IO_buf_base;
} }
fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end =
fp->_IO_buf_base;
if (fp->_wide_data->_IO_buf_base == NULL) if (fp->_wide_data->_IO_buf_base == NULL)
{ {
/* Maybe we already have a push back pointer. */ /* Maybe we already have a push back pointer. */
@@ -211,11 +214,6 @@ _IO_wfile_underflow (fp)
_IO_switch_to_get_mode (fp); _IO_switch_to_get_mode (fp);
fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_buf_base;
fp->_IO_read_end = fp->_IO_buf_base;
fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end
= fp->_IO_buf_base;
fp->_wide_data->_IO_read_base = fp->_wide_data->_IO_read_ptr = fp->_wide_data->_IO_read_base = fp->_wide_data->_IO_read_ptr =
fp->_wide_data->_IO_buf_base; fp->_wide_data->_IO_buf_base;
fp->_wide_data->_IO_read_end = fp->_wide_data->_IO_buf_base; fp->_wide_data->_IO_read_end = fp->_wide_data->_IO_buf_base;