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| author | Max Kellermann <max@duempel.org> | 2015-03-22 17:01:33 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2015-03-23 22:03:25 +0100 |
| commit | cd352716981310c37ae59d9b09f353b621318a3b (patch) | |
| tree | 1212e74cc9263e7f9d24f5f67ae2c41823f8e3af /src/fs/io/BufferedOutputStream.cxx | |
| parent | 7b575f61d0f5c34267fcfd60229d25edbcbe33da (diff) | |
| download | mpd-cd352716981310c37ae59d9b09f353b621318a3b.tar.gz mpd-cd352716981310c37ae59d9b09f353b621318a3b.tar.xz mpd-cd352716981310c37ae59d9b09f353b621318a3b.zip | |
fs/io/BufferedOutputStream: add code comments
Diffstat (limited to 'src/fs/io/BufferedOutputStream.cxx')
| -rw-r--r-- | src/fs/io/BufferedOutputStream.cxx | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/fs/io/BufferedOutputStream.cxx b/src/fs/io/BufferedOutputStream.cxx index 7d3cd3815..2268eb50c 100644 --- a/src/fs/io/BufferedOutputStream.cxx +++ b/src/fs/io/BufferedOutputStream.cxx @@ -41,17 +41,22 @@ bool BufferedOutputStream::Write(const void *data, size_t size) { if (gcc_unlikely(last_error.IsDefined())) + /* the stream has already failed */ return false; + /* try to append to the current buffer */ if (AppendToBuffer(data, size)) return true; + /* not enough room in the buffer - flush it */ if (!Flush()) return false; + /* see if there's now enough room */ if (AppendToBuffer(data, size)) return true; + /* too large for the buffer: direct write */ return os.Write(data, size, last_error); } |