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qsort_r.h: qsort_r() is POSIX now. #138545

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May 5, 2025
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qsort_r.h: qsort_r() is POSIX now. #138545

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7 changes: 3 additions & 4 deletions libc/src/stdlib/qsort_r.h
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,9 @@

namespace LIBC_NAMESPACE_DECL {

// This qsort_r uses the glibc argument ordering instead of the BSD argument
// ordering (which puts arg before the function pointer). Putting arg after the
// function pointer more closely matches the ordering for qsort_s, which is the
// standardized equivalent of qsort_r.
// This qsort_r uses the POSIX 1003.1-2024 argument ordering instead of the
// historical BSD argument ordering (which put arg before the function pointer).
// https://www.austingroupbugs.net/view.php?id=900

void qsort_r(void *array, size_t array_size, size_t elem_size,
int (*compare)(const void *, const void *, void *), void *arg);
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