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author√Črico Nogueira <ericonr@disroot.org>2021-03-09 18:02:13 -0300
committerRich Felker <dalias@aerifal.cx>2021-09-23 20:09:22 -0400
commitb76f37fd5625d038141b52184956fb4b7838e9a5 (patch)
tree8375a3587dcf9c921cedb4858f4c6d2400f909cd /src/fcntl
parent7be59733d71ada3a32a98622507399253f1d5e48 (diff)
downloadmusl-master.tar.gz
add qsort_r and make qsort a wrapper around itHEADmaster
we make qsort a wrapper by providing a wrapper_cmp function that uses the extra argument as a function pointer. should be optimized to a tail call on most architectures, as long as it's built with -fomit-frame-pointer, so the performance impact should be minimal. to keep the git history clean, for now qsort_r is implemented in qsort.c and qsort is implemented in qsort_nr.c. qsort.c also received a few trivial cleanups, including replacing (*cmp)() calls with cmp(). qsort_nr.c contains only wrapper_cmp and qsort as a qsort_r wrapper itself.
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