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* bftw: Plug a leak if dirqueue_push() failsTavian Barnes2017-02-061-16/+28
| | | | | | | | | | If bftw_add() succeeds but dirqueue_push() fails, we need to clean up the just-added dircache_entry. Otherwise it will leak, and we'll also fail the cache->size == 0 assertion. Fix it by extracting the dircache-related parts of bftw_pop() into a new helper function bftw_gc(), and call it from bftw_pop() as well as the bftw_push() failure path.
* bftw: Compute nameoff correctly for the root in BFTW_DEPTH modeTavian Barnes2017-02-051-1/+5
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* Implement -printf/-fprintfTavian Barnes2017-02-051-0/+1
| | | | | Based on a patch by Fangrui Song <i@maskray.me>. Closes #16.
* Implement -regex, -iregex, and -regextype/-ETavian Barnes2016-12-181-1/+4
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* bftw: Clean up the dirqueue implementation a bitTavian Barnes2016-12-171-38/+34
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* Move portability code into util.hTavian Barnes2016-12-041-2/+2
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* bftw: Infer the flags in ftwbuf_stat()Tavian Barnes2016-11-231-5/+5
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* bftw: Make a defensive copy of the ftwbufTavian Barnes2016-11-211-1/+4
| | | | | The callback may modify the ftwbuf, but we check it after the callback (for typeflag and statbuf). Have them mutate a copy instead.
* bftw: Always initialize dircache_entry::{dev,ino}Tavian Barnes2016-11-211-6/+7
| | | | | If stat() fails, they won't get filled in otherwise. Then cycle detection would have read uninitialized values.
* bftw: Make bftw_flags more similar to fts() options.Tavian Barnes2016-11-211-5/+9
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* Check for readdir() errors everywhere.Tavian Barnes2016-11-141-14/+2
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* bftw: Keep trailing slashes on the root in BFTW_DEPTH mode.Tavian Barnes2016-11-131-6/+16
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* bftw: Don't fail just because we couldn't open/read a directory.Tavian Barnes2016-11-031-3/+3
| | | | | | | With BFTW_RECOVER set, we're not supposed to fail just because a single measly directory couldn't be handled. But using state.error as scratch space made us fail in this case. The end result is that #7 resurfaced, so fix it again.
* Implement -ignore_readdir_race.Tavian Barnes2016-10-241-1/+4
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* bftw: Add support for some exotic file types, where available.Tavian Barnes2016-10-021-1/+59
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* bftw: Handle errors from readdir().Tavian Barnes2016-10-021-25/+66
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* bftw: Fix do/to typo in a comment.Tavian Barnes2016-09-101-1/+1
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* bftw: Initialize typeflag to BFTW_UNKNOWN.Tavian Barnes2016-08-241-2/+1
| | | | It was totally broken on filesystems that spit out DT_UNKNOWN.
* dstring: Clean up the API a bit.Tavian Barnes2016-05-221-1/+4
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* bftw: Use realloc() to grow the dirqueue.Tavian Barnes2016-05-171-13/+11
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* bftw: Remove some debugging counters that were left in accidentally.Tavian Barnes2016-05-171-10/+0
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* dstring: Split out the dynamic string logic.Tavian Barnes2016-04-131-68/+25
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* bftw: Update at_flags when not following a broken symbolic link.Tavian Barnes2016-02-231-1/+2
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* bftw: Plug a leak when the root is not a directory.Tavian Barnes2016-02-231-1/+6
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* bftw: Use the currently open directory as at_fd in BFTW_CHILD mode.Tavian Barnes2016-02-221-2/+5
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* bftw: Use O_CLOEXEC.Tavian Barnes2016-02-211-3/+3
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* bftw: Don't store the terminating '\0' in dircache_entry names.Tavian Barnes2016-02-211-2/+1
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* bftw: Use a better cache eviction policy.Tavian Barnes2016-02-211-113/+186
| | | | | | Instead of simple LRU, we now evict the open entry with the lowest refcount. This reduces the average number of components passed to openat() by a significant margin, and speeds bfs up by about ~5%.
* bftw: Shrink the LRU before finding the parent.Tavian Barnes2016-02-201-10/+6
| | | | Otherwise we might close the found parent.
* bftw: Clean up dirqueue implementation a bit.Tavian Barnes2016-02-191-20/+28
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* bftw: Don't keep DIR*'s around.Tavian Barnes2016-02-191-40/+75
| | | | | | | | | | | | | | | DIR*'s were being kept around so dirfd(dir) could be passed to future openat() calls. But DIR*'s are big, holding a cache of filenames etc. read by readdir(). Instead, store the raw fd and dup() it to open a DIR* with fdopendir(). This way we can call dirclose() as soon as possible, while still keeping an open fd. Ideally there would be a way to closedir() without invoking close() on the underlying fd, but this is a good approximation. Reduces memory footprint by around 64% in a large directory tree.
* bftw: Use a circular buffer to implement the dirqueue.Tavian Barnes2016-02-171-46/+37
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* Implement -mount/-xdev.Tavian Barnes2016-02-141-2/+11
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* Fix -name handling when the root has trailing slashes.Tavian Barnes2016-02-131-2/+18
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* Follow links if appropriate in predicates.Tavian Barnes2016-02-131-5/+3
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* Implement -L/-follow.Tavian Barnes2016-02-091-22/+66
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* bftw: Don't give up when following a broken symlink.Tavian Barnes2016-02-061-1/+9
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* Implement -P and -H.Tavian Barnes2016-02-041-4/+14
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* Don't use typedefs to avoid struct/enum tags.Tavian Barnes2016-02-041-66/+62
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* bftw: Add missing #include.Tavian Barnes2016-01-301-0/+1
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* bftw: Fix fd leak if fdopendir() fails.Tavian Barnes2016-01-301-1/+5
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* Optimize -maxdepth in -depth mode.Tavian Barnes2015-09-261-14/+1
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* bftw() interface improvements:Tavian Barnes2015-09-261-52/+38
| | | | | | - Use enums instead of ints where it makes sense - Move the file path inside struct BFTW - Expose a fd and relative path for *at() calls
* Add -depth support.Tavian Barnes2015-09-081-41/+186
| | | | | | | The resulting order is fairly weird, as files are still returned in breadth-first order, but directories are returned in a backwards order based on when their reference counts drop to zero. But it's good enough for -delete support.
* Factor some code out of bftw().Tavian Barnes2015-09-061-77/+172
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* Print the root file/directory too.Tavian Barnes2015-09-021-84/+130
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* bftw: Store the paths with a trailing slash.Tavian Barnes2015-08-311-32/+37
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* bftw: Fix path size of /.Tavian Barnes2015-08-311-2/+6
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* Add -type support.Tavian Barnes2015-08-301-9/+33
| | | | Fixes #2.
* Infer the right value for nopenfd, and recover from EMFILE.Tavian Barnes2015-07-271-1/+13
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