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| author | Max Kellermann <max@duempel.org> | 2014-06-21 14:06:31 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2014-06-21 14:06:31 +0200 |
| commit | 3e4e6f7ced979570588c7e341250ebaea2e3bffb (patch) | |
| tree | fc14f83d2255e7aa674659444365ffe6e51c4098 /src/input/plugins/NfsInputPlugin.cxx | |
| parent | 936eb43c0e00f6e8cee971cbdc2f0bf119e1034b (diff) | |
| download | mpd-3e4e6f7ced979570588c7e341250ebaea2e3bffb.tar.gz mpd-3e4e6f7ced979570588c7e341250ebaea2e3bffb.tar.xz mpd-3e4e6f7ced979570588c7e341250ebaea2e3bffb.zip | |
input/nfs: never read more than space available in buffer
Avoids off-by-one bug and obsoletes the bug fix in commit 966c4244
Diffstat (limited to 'src/input/plugins/NfsInputPlugin.cxx')
| -rw-r--r-- | src/input/plugins/NfsInputPlugin.cxx | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/input/plugins/NfsInputPlugin.cxx b/src/input/plugins/NfsInputPlugin.cxx index 8f63d80a1..baa707738 100644 --- a/src/input/plugins/NfsInputPlugin.cxx +++ b/src/input/plugins/NfsInputPlugin.cxx @@ -93,12 +93,14 @@ NfsInputStream::DoRead() if (remaining <= 0) return true; - if (IsBufferFull()) { + const size_t buffer_space = GetBufferSpace(); + if (buffer_space == 0) { Pause(); return true; } - size_t nbytes = std::min<uint64_t>(remaining, 32768); + size_t nbytes = std::min<size_t>(std::min<uint64_t>(remaining, 32768), + buffer_space); mutex.unlock(); Error error; |