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* spawn: Fix error pipe write failure handlingTavian Barnes2020-11-041-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A short history lesson: this code (from exec.c) used to just be write(...); In 649d85b, an empty if block was added to placate _FORTIFY_SOURCE's warn_unused_result: if (write(...) != sizeof(error)) { // ... } This is fine since the parent doesn't rely on receiving those writes (e.g. the child could die before writing), and the small write to a pipe won't fail anyway. But when bfs_spawn() was created, the implementation changed to this: while (write(...) < sizeof(error)); The while loop was presumably added to mirror musl's posix_spawn() implementation, which handles EINTR. But musl's is actually correct: while (write(...) < 0); whereas mine has a subtle bug: since sizeof(error) is unsigned, the bfs code did an unsigned comparison, meaning -1 from write() would *not* restart the loop. Fix it by comparing with 0 like musl, since short writes are impossible here. Perhaps it's time for -Wsign-compare, despite the other 18 instances being false positives.
* Makefile: Fail early on sanitizer errorsTavian Barnes2020-11-031-0/+8
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* New -status option to display a status barTavian Barnes2020-11-035-14/+122
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* bar: Implement terminal status barsTavian Barnes2020-11-033-0/+320
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* dstring: New dstrvprintf() functionTavian Barnes2020-11-032-9/+28
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* Update the project URLTavian Barnes2020-10-142-2/+2
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* Release 2.02.0Tavian Barnes2020-10-143-3/+7
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* util: New BFS_FLEX_SIZEOF() macro for more precise flexible array allocationsTavian Barnes2020-10-134-4/+28
| | | | | See http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_282.htm for all the fun behind this.
* pwcache: Adjust some naming conventionsTavian Barnes2020-10-063-14/+14
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* mtab: Adjust some naming conventionsTavian Barnes2020-10-063-7/+7
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* expr, eval: Clean up header dependenciesTavian Barnes2020-10-063-19/+23
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* exec: Adjust some calling conventionsTavian Barnes2020-10-063-11/+11
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* printf: Adjust some calling conventionsTavian Barnes2020-10-063-22/+22
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* ctx: Don't include color.hTavian Barnes2020-10-061-4/+4
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* diag: New bfs_perror() functionTavian Barnes2020-10-056-37/+53
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* parse: Fail if -color is passed and the colors couldn't be parsedTavian Barnes2020-10-043-0/+13
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* parse: More accurate error reporting for cfdup()Tavian Barnes2020-10-041-1/+7
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* parse: Report errors when failing to add a rootTavian Barnes2020-10-041-1/+5
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* diag: Factor debug_flag string conversion into its own functionTavian Barnes2020-10-041-25/+21
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* time: Don't call tzset() on every x{local,gm}time()Tavian Barnes2020-10-011-2/+11
| | | | It turns out tzset() checks /etc/localtime every time you call it.
* dstring: Try to avoid calling vsnprintf() twice in dstrprintf()Tavian Barnes2020-10-011-10/+26
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* main: Preserve errno over close() in redirect()Tavian Barnes2020-10-011-6/+7
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* util: Move redirect() and isopen() to main.cTavian Barnes2020-10-013-48/+22
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* util: Don't rely on bftwTavian Barnes2020-09-304-40/+39
| | | | And rename format_mode() to xstrmode() while I'm at it.
* ctx: Perserve errno better in bfs_ctx_open()Tavian Barnes2020-09-281-0/+7
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* Rename struct cmdline to bfs_ctxTavian Barnes2020-09-2718-562/+786
| | | | | The API remains similar, with some added accessor functions for lazy initialization of the pwcache and mtab.
* exec: Output a human-readable description of terminating signalsTavian Barnes2020-09-231-1/+5
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* bftw: Fix bftw_cached_stat() with BFS_STAT_TRYFOLLOWTavian Barnes2020-09-201-1/+5
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* tests: Add missing ground truthTavian Barnes2020-09-201-0/+12
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* printf: Format the empty string for %l of non-linksTavian Barnes2020-09-202-9/+15
| | | | It makes a difference if the format specifier has a width.
* stat: Rename bfs_stat_flag to _flagsTavian Barnes2020-09-187-23/+23
| | | | Flags enums should be plural.
* Don't call stat() just to determine symbolic lengthsTavian Barnes2020-09-185-11/+30
| | | | | | | 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.
* util: Make the initial allocation bigger for xreadlinkat()Tavian Barnes2020-09-181-1/+6
| | | | | | | | | Most symlinks are more than 1 character long, so rather than wasting time with 1, 2, 4, ... when we don't have a good guess for the length, start with a bigger one. Credit to https://twitter.com/RichFelker/status/1306321019108556806 for reminding me of this.
* pwcache: Fix an invalid free if strdup()ing the group name failsTavian Barnes2020-09-021-3/+4
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* pwcache: Work around gr_mem being misaligned on macOSTavian Barnes2020-08-131-3/+14
| | | | C.f. https://github.com/php/php-src/commit/d80f0ff6c0a557d8c993a9d2bd006fb488f6d564
* Implement -xattrnameTavian Barnes2020-08-1312-20/+159
| | | | From macOS find.
* bftw: Make some flag names more explicitTavian Barnes2020-07-294-36/+36
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* bftw: Rename bftw_typeflag to bftw_type, and make it not a bitmaskTavian Barnes2020-07-299-107/+106
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* Update default branch to 'main'Tavian Barnes2020-07-101-2/+2
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* eval: Fix an assertion failure with -D search -sTavian Barnes2020-06-161-0/+1
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* eval: Fix a segfault with -D search -S edsTavian Barnes2020-06-161-0/+1
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* Implement exponential deepening searchTavian Barnes2020-06-166-31/+114
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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().
* tests/trie: New acceptance test for triesTavian Barnes2020-06-093-4/+129
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* tests/xtimegm: Don't test the year 1900Tavian Barnes2020-06-091-1/+1
| | | | | | | macOS doesn't support negative time_t's that are larger than 32 bits apparently. C.f.: https://stackoverflow.com/a/46335905
* tests: New acceptance test for xtimegm()Tavian Barnes2020-06-093-3/+101
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* RELEASES.md: Fix a bad issue linkTavian Barnes2020-06-081-2/+2
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* RELEASES.md: Use short links for issues consistentlyTavian Barnes2020-06-081-4/+11
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