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| author | Max Kellermann <max@duempel.org> | 2014-02-09 10:45:38 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2014-02-09 10:46:39 +0100 |
| commit | e29a8b3a9c685239ec2ccc89518aff3acd128a8c (patch) | |
| tree | 5fd012df9cd269f2c70f93857c28c5acd927f94c /src/db | |
| parent | ace3f37af4703718e5eda48ad5de7a23b083b58a (diff) | |
| download | mpd-e29a8b3a9c685239ec2ccc89518aff3acd128a8c.tar.gz mpd-e29a8b3a9c685239ec2ccc89518aff3acd128a8c.tar.xz mpd-e29a8b3a9c685239ec2ccc89518aff3acd128a8c.zip | |
db/update/Walk: document FindAncestorLoop()
Diffstat (limited to 'src/db')
| -rw-r--r-- | src/db/update/Walk.cxx | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/db/update/Walk.cxx b/src/db/update/Walk.cxx index 55a275748..44b10e2bd 100644 --- a/src/db/update/Walk.cxx +++ b/src/db/update/Walk.cxx @@ -152,6 +152,12 @@ update_directory_stat(Storage &storage, Directory &directory) } #endif +/** + * Check the ancestors of the given #Directory and see if there's one + * with the same device/inode number, building a loop. + * + * @return 1 if a loop was found, 0 if not, -1 on I/O error + */ static int FindAncestorLoop(Storage &storage, Directory *parent, unsigned inode, unsigned device) |