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* bftw: Bring back the LRU listTavian Barnes2022-03-091-158/+78
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* bftw: Use a dynamic array for the cacheTavian Barnes2022-01-181-45/+42
| | | | | | | Since commit 69a5227 ("eval: Raise RLIMIT_NOFILE if possible"), bfs can pass a large nopenfd (e.g. 512K) to bftw() by default. This resulted in a large up-front allocation even for small trees. Change it to grow on demand, lowering the footprint for small searches.
* util: New close() wrappers to check for EBADF and preserve errnoTavian Barnes2022-01-181-2/+2
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* bftw: Fix bftw_type() for broken links and BFS_STAT_FOLLOWTavian Barnes2021-03-101-4/+12
| | | | This fixes link target coloring for broken links with -L.
* Update copyright datesTavian Barnes2021-02-051-1/+1
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* bftw: Share the fd between the cache and open bfs_dirTavian Barnes2021-01-291-38/+27
| | | | | | This avoids many dup()s. On Linux, we can completely avoid needing to dup() directory fds. On non-Linux, we only dup() when there are unexplored subdirectories.
* dir: New DIR* facadeTavian Barnes2021-01-281-140/+48
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* bftw: Get rid of bftw_readerTavian Barnes2021-01-281-98/+64
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* bftw: Avoid allocating when handling ENAMETOOLONGTavian Barnes2021-01-281-52/+30
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* bftw: Allow for NULL base when recovering from EMFILETavian Barnes2021-01-281-1/+1
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* Include what I useTavian Barnes2020-11-121-2/+2
| | | | Thanks to https://github.com/include-what-you-use/include-what-you-use
* Enable -Wsign-compare to catch bugs like 726d7801Tavian Barnes2020-11-041-1/+1
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* util: New BFS_FLEX_SIZEOF() macro for more precise flexible array allocationsTavian Barnes2020-10-131-1/+1
| | | | | See http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_282.htm for all the fun behind this.
* bftw: Fix bftw_cached_stat() with BFS_STAT_TRYFOLLOWTavian Barnes2020-09-201-1/+5
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* stat: Rename bfs_stat_flag to _flagsTavian Barnes2020-09-181-4/+4
| | | | Flags enums should be plural.
* Don't call stat() just to determine symbolic lengthsTavian Barnes2020-09-181-0/+8
| | | | | | | The new bftw_cached_stat() helper gets us stat info if we already have it, but doesn't call stat() if we don't. In that case we just take a guess for the initial length to readlinkat(). This lets us avoid stat() entirely in many cases for -lname and -printf %l.
* bftw: Make some flag names more explicitTavian Barnes2020-07-291-10/+10
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* bftw: Rename bftw_typeflag to bftw_type, and make it not a bitmaskTavian Barnes2020-07-291-27/+27
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* Implement exponential deepening searchTavian Barnes2020-06-161-12/+61
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* bftw: Factor out some of the iterative deepening harnessTavian Barnes2020-06-121-39/+65
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* bftw: Only do another level of deepening if there are unexplored directoriesTavian Barnes2020-06-121-3/+4
| | | | This makes -S ids about 20% faster on a checkout of the Linux kernel.
* bftw: Make iterative deepening actually do depth-first searchTavian Barnes2020-06-121-15/+21
| | | | | | | | | bftw_stream() was always pushing to the end of the queue, resulting in breadth-first behaviour even when BFTW_DFS was set. This made iterative deepening a "worst of both worlds" with the same memory use as BFS, but much slower due to re-traversals. Fix it by re-using bftw_batch_{start,finish} from bftw_batch().
* Implement -s flag from FreeBSD find to sort resultsTavian Barnes2020-03-211-3/+80
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* bftw: Use a two-star approach to the bftw_queue linked listTavian Barnes2020-03-201-58/+28
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* bftw: Avoid shadowing a variableTavian Barnes2019-11-011-5/+2
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* mtab: Rename maybe_mount to might_be_mountTavian Barnes2019-08-291-1/+1
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* Make -mount and -xdev do different thingsTavian Barnes2019-07-041-14/+25
| | | | | | | | | POSIX now says -mount should skip the whole mount point, while -xdev should only skip its descendents. C.f. http://austingroupbugs.net/view.php?id=1133 C.f. https://savannah.gnu.org/bugs/?42318 C.f. https://savannah.gnu.org/bugs/?54745
* bftw: Track the root bftw_file, not just the pathTavian Barnes2019-07-041-8/+7
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* bftw: Use a flags enum rather than two bools for bftw_release_*()Tavian Barnes2019-07-031-24/+33
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* bftw: Remove a dead assignmentTavian Barnes2019-06-271-1/+0
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* bftw: Only rebuild the part of the path that changesTavian Barnes2019-06-251-24/+42
| | | | | | This is a re-introduction of 998ba6f, which was reverted by the introduction of bftw_reader in 68ae5d0. It's particularly relevant for depth-first searches now that we queue each file before visiting it.
* bftw: Queue individual files in depth-first modeTavian Barnes2019-06-251-79/+150
| | | | This makes the order be truly depth-first.
* bftw: Don't store bftw_file in bftw_readerTavian Barnes2019-06-251-69/+72
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* bftw: Remove BFTW_SKIP_SIBLINGSTavian Barnes2019-06-251-24/+11
| | | | | It's not used by bfs, and it's difficult to support in all search strategies.
* bftw: Rename bftw_dir to bftw_fileTavian Barnes2019-06-251-214/+213
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* bftw: Don't store trailing slashes in bftw_dir namesTavian Barnes2019-06-251-27/+23
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* util: Filter out . and .. in xreaddir()Tavian Barnes2019-06-251-3/+0
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* Implement an iterative deepening mode (-ids)Tavian Barnes2019-05-291-0/+132
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* Implement a depth-first mode (-dfs)Tavian Barnes2019-05-281-10/+113
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* bftw: Visit multiple roots breadth-firstTavian Barnes2019-05-281-19/+25
| | | | This makes `bfs a b` treat `a` and `b` as siblings.
* bftw: Refactor the implementation a bitTavian Barnes2019-05-281-218/+180
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* bftw: Take dir->{dev,ino} from the right stat bufferTavian Barnes2019-05-231-1/+1
| | | | I don't think this can cause any observable bugs, but it's still wrong.
* bftw: Pass a const struct BFTW * to the callbackTavian Barnes2019-05-051-30/+31
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* bftw: Add a caching stat() API to struct BFTWTavian Barnes2019-05-041-20/+75
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* stat: Unify the flags argumentsTavian Barnes2019-05-041-4/+4
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* Release 1.41.4Tavian Barnes2019-04-151-1/+1
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* bftw: Work around d_type being wrong for bind mounts on LinuxTavian Barnes2019-03-061-19/+52
| | | | | | C.f. https://savannah.gnu.org/bugs/?54913 C.f. https://lkml.org/lkml/2019/2/11/2027 Fixes https://github.com/tavianator/bfs/issues/37
* bftw: Switch from taking separate parameters to a parameters structTavian Barnes2019-03-061-13/+13
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* bftw: Move bftw_typeflag conversion out of utilTavian Barnes2018-12-171-2/+99
| | | | Turns out incomplete enum types are a GNU C extension.
* Update copyright datesTavian Barnes2018-09-241-1/+1
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