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| author | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-07-06 11:24:43 +0000 |
|---|---|---|
| committer | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-07-06 11:24:43 +0000 |
| commit | 3b2e396d1023315f275d04017792c60e5c5ff4cd (patch) | |
| tree | 4286fb9953f97df2c47795c2236e847a4de109f2 /libstdc++-v3/include/std/std_fstream.h | |
| parent | cf7531e65cb07a5a55f55d21f65a832cea49b5a9 (diff) | |
| download | ppe42-gcc-3b2e396d1023315f275d04017792c60e5c5ff4cd.tar.gz ppe42-gcc-3b2e396d1023315f275d04017792c60e5c5ff4cd.zip | |
2003-07-06 Paolo Carlini <pcarlini@unitus.it>
* include/std/std_fstream.h (xsputn): Don't call _M_destroy_pback:
if output is at all possible (!_M_reading), cannot be active.
* include/std/std_fstream.h: Tweak comments to doxygen style.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69001 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/include/std/std_fstream.h')
| -rw-r--r-- | libstdc++-v3/include/std/std_fstream.h | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/libstdc++-v3/include/std/std_fstream.h b/libstdc++-v3/include/std/std_fstream.h index 0e9f99ce80c..209be67bd57 100644 --- a/libstdc++-v3/include/std/std_fstream.h +++ b/libstdc++-v3/include/std/std_fstream.h @@ -177,9 +177,13 @@ namespace std // Cached codecvt facet. const __codecvt_type* _M_codecvt; - // Initializes pback buffers, and moves normal buffers to safety. - // Assumptions: - // _M_in_cur has already been moved back + /** + * @if maint + * Initializes pback buffers, and moves normal buffers to safety. + * Assumptions: + * _M_in_cur has already been moved back + * @endif + */ void _M_create_pback() { @@ -192,9 +196,13 @@ namespace std } } - // Deactivates pback buffer contents, and restores normal buffer. - // Assumptions: - // The pback buffer has only moved forward. + /** + * @if maint + * Deactivates pback buffer contents, and restores normal buffer. + * Assumptions: + * The pback buffer has only moved forward. + * @endif + */ void _M_destroy_pback() throw() { @@ -400,10 +408,7 @@ namespace std // [documentation is inherited] virtual streamsize xsputn(const char_type* __s, streamsize __n) - { - _M_destroy_pback(); - return __streambuf_type::xsputn(__s, __n); - } + { return __streambuf_type::xsputn(__s, __n); } /** * @if maint @@ -413,16 +418,20 @@ namespace std void _M_output_unshift(); - // This function sets the pointers of the internal buffer, both get - // and put areas. Typically: - // - // __off == egptr() - eback() upon underflow/uflow ('read' mode); - // __off == 0 upon overflow ('write' mode); - // __off == -1 upon open, setbuf, seekoff/pos ('uncommitted' mode). - // - // NB: epptr() - pbase() == _M_buf_size - 1, since _M_buf_size - // reflects the actual allocated memory and the last cell is reserved - // for the overflow char of a full put area. + /** + * @if maint + * This function sets the pointers of the internal buffer, both get + * and put areas. Typically: + * + * __off == egptr() - eback() upon underflow/uflow ('read' mode); + * __off == 0 upon overflow ('write' mode); + * __off == -1 upon open, setbuf, seekoff/pos ('uncommitted' mode). + * + * NB: epptr() - pbase() == _M_buf_size - 1, since _M_buf_size + * reflects the actual allocated memory and the last cell is reserved + * for the overflow char of a full put area. + * @endif + */ void _M_set_buffer(streamsize __off) { |
