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* bfstd: Work around a FreeBSD-specific msan issueTavian Barnes2023-09-061-4/+23
| | | | Link: https://github.com/llvm/llvm-project/issues/65532
* bfstd: Skip a whole loop in dollar_quote() if possibleTavian Barnes2023-09-061-2/+1
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* bfstd: Fix printable_len() off-by-oneTavian Barnes2023-09-061-2/+2
| | | | | | | If xmbrtowc() fails, or if xiswprint() is false, then we shouldn't include that wide char in the printable length. Fixes: 19c96abe0a1ee56cf206fd5e87defb1fd3e0daa5
* bfstd: Fix an OOB string index in xmbrtowc()Tavian Barnes2023-09-061-6/+2
| | | | | | | | | | | | | | | | | | | | | | This bug could be reproduced with something like $ bfs -samefile $'\xFA\xFA' bfs: error: bfs: dstrnescat@src/dstring.c:252: wordesc() result truncated or worse, with -DNDEBUG, $ bfs -samefile $'.....................\xFA\xFA' bfs: error: bfs -samefile $'.....................\xFA\xFA\x00\x55\x53\x45\x52\x3D\x74\x61\x76\x69\x61\x6E\x61\x74\x6F\x72 bfs: error: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ bfs: error: No such file or directory. which prints the memory after the end of the string (in this case, the environment variable USER=tavianator). The bug was caused by the line `*i += len`, which was intended to be `*i = len`. But actually, the right behaviour seems to be `*i += 1`. Fixes: 19c96abe0a1ee56cf206fd5e87defb1fd3e0daa5
* bftw: Enforce the dirlimit strictlyTavian Barnes2023-09-061-19/+17
| | | | | | The previous accounting didn't fully control the number of allocated bfs_dirs, as the dirlimit was incremented once we popped the directory, not when we freed it.
* pwcache: Don't use _SC_GET{PW,GR}_R_SIZE_MAXTavian Barnes2023-08-311-23/+9
| | | | | They tend be 1024, which is a lot of memory per user/group. 128 is usually enough, so start there instead.
* pwcache: Arena-allocate struct passwd/groupTavian Barnes2023-08-311-54/+80
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* alloc: New varena_grow() functionTavian Barnes2023-08-312-0/+29
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* trie: New trie_clear() functionTavian Barnes2023-08-313-2/+14
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* alloc: New [v]arena_clear() functionsTavian Barnes2023-08-312-1/+25
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* Work around https://github.com/llvm/llvm-project/issues/64946Tavian Barnes2023-08-231-0/+3
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* ioq: New ioq_slot_monitor() helperTavian Barnes2023-08-231-4/+8
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* parse: Allow -files0-from an empty set of pathsTavian Barnes2023-08-141-10/+3
| | | | This follows a behaviour change in GNU findutils 4.9.0.
* bfstd: Don't label a declarationTavian Barnes2023-08-081-1/+1
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* stat: Don't check for statx() mask bits we already checked forTavian Barnes2023-08-071-31/+15
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* bfstd: Check multiple chars at once for isascii()Tavian Barnes2023-08-071-3/+20
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* bfstd: Speed up wordesc() by caching isprint()/isspace()Tavian Barnes2023-08-071-2/+29
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* bit: Add a cast to squelch -Wsign-compareTavian Barnes2023-07-241-1/+1
| | | | I see this only with musl-gcc for some reason.
* Release 3.0.13.0.1Tavian Barnes2023-07-181-1/+1
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* bftw: Use bftw_file->next for multiple listsTavian Barnes2023-07-181-29/+21
| | | | | A file can be on the to_open and to_read lists at the same time, but otherwise only one list, so we can save memory by sharing the pointers.
* bftw: Use a larger ioq depthTavian Barnes2023-07-181-22/+12
| | | | | | | Now that the dirlimit provides backpressure on the number of open directories, we can use a uniformly larger queue depth for increased performance. The current parameters were tuned with a small grid search on my workstation.
* bftw: Add a queue of directories to unwrapTavian Barnes2023-07-181-7/+22
| | | | | | | | For !BFS_USE_UNWRAPDIR, if a file is still pinned in bftw_closedir(), it has to stay open until its pincount drops to zero. Since this happens in bftw_ioq_pop(), we can't immediately call bftw_unwrapdir() as that adds to the ioq. Instead, add it to a list that gets drained by the next bftw_gc().
* bftw: Add dirs to the end of the queue in bftw_ioq_pop()Tavian Barnes2023-07-181-11/+25
| | | | | | I tried this before in #105 but it led to performance regressions. The key to avoiding those regressions is to put some backpressure on how many bfs_dir's can be allocated simultaneously.
* bftw: Use separate queues for open and closed directoriesTavian Barnes2023-07-171-89/+115
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* bftw: Check that file->fd == bfs_dirfd(file->dir) earlierTavian Barnes2023-07-171-2/+3
| | | | | | | This has the potential to fail on at least one known platform: macports with the legacysupport implementation of fdopendir(). Link: https://github.com/macports/macports-ports/pull/19047#issuecomment-1636059809
* bftw: Reserve space in the cache before opening filesTavian Barnes2023-07-171-3/+15
| | | | | | | This fixes a storm of EMFILE retries observed with -j1 on a very large directory tree. Fixes: 7888fbababd22190e9f919fc272957426a27969e
* bftw: Pass the whole bftw_state to bftw_openat()Tavian Barnes2023-07-171-510/+451
| | | | | This required shuffling a lot of code around. Hopefully the new order makes more sense.
* bftw: Add bfs_dir allocation wrappersTavian Barnes2023-07-171-9/+19
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* bfstd: Add an ASCII fast path to wordesc()Tavian Barnes2023-07-131-59/+100
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* alloc: Use a different error code for size overflowsTavian Barnes2023-07-131-0/+10
| | | | This should help debuggability, and also squelches a GCC warning.
* color: Only highlight the trailing slash on ENOTDIRTavian Barnes2023-07-131-2/+4
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* color: Don't break up leading and trailing dirsTavian Barnes2023-07-131-27/+32
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* color: TTY-escape filenamesTavian Barnes2023-07-133-3/+12
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* color: Get rid of EXT_MAXTavian Barnes2023-07-131-10/+30
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* bfstd: Support wordesc() without allocatingTavian Barnes2023-07-137-70/+175
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* bfstd: Quote the whole string the same way in wordesc()Tavian Barnes2023-07-131-77/+101
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* bfstd: Use $'\n' etc. over $'\x0A'Tavian Barnes2023-07-131-5/+35
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* bfstd: Escape '!' in wordesc()Tavian Barnes2023-07-131-2/+2
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* parse: Reject -j0Tavian Barnes2023-07-121-1/+9
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* ioq: Try harder to avoid setting IOQ_BLOCKEDTavian Barnes2023-07-121-6/+16
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* ioq: Separate slot and queue operationsTavian Barnes2023-07-111-49/+75
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* eval: Don't oversubscribe the CPU by defaultTavian Barnes2023-07-111-3/+3
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* bftw: Try to close files asynchronouslyTavian Barnes2023-07-103-62/+163
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* ioq: Implement async close() and closedir()Tavian Barnes2023-07-103-100/+197
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* bftw: If the ioq is full, try to pop before ioq_opendir()Tavian Barnes2023-07-071-49/+82
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* ioq: New ioq_capacity() functionTavian Barnes2023-07-062-2/+12
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* wordesc: Also escape non-printable charsTavian Barnes2023-07-062-30/+147
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* Use strcmp() instead of fnmatch() if possibleTavian Barnes2023-07-063-9/+39
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* diag: Shell-escape expression argumentsTavian Barnes2023-07-061-3/+3
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* ioq: Don't write to an empty slot in ioqq_trypop()Tavian Barnes2023-07-041-6/+10
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