Fork#39251: qsort_s has arguments from MSVC, not from C11 standard or GCC
Open Date: 2019-05-23 13:08
Last Update: 2019-05-23 20:54
URL for this Ticket:
https://osdn.net//projects/mingw/ticket/39251
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Last Changes/Comment on this Ticket:
2019-05-23 20:54 Updated by: keith
* Status Update from Open to Closed
* Resolution Update from None to Won't Fix
Comment:
The C11 standard introduced a sorting function qsort_s
That is in Annex K, which makes it optional; MinGW does not provide it, isn't
required to provided it, and isn't likely to do so.
Mingw seems to have taken the MSVC function declaration instead of the
standard one
No, it hasn't; you will not find a declaration for qsort_s() in any genuine
MinGW header. (You may find the symbol in a MinGW libmsvcrt.a import library,
but ther is no corresponding declaration in any MinGW header file). In any
case, since MinGW uses the Microsoft MSVCRT runtime library, if the interface
were to be exposed, it would relate to the MSVCRT.DLL implementation, so the
MSVC semantics would be correct. Blame Microsoft for adopting their own
standards; for MinGW, this is a definite "won't fix".
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Ticket Status:
Reporter: david-cortes
Owner: (None)
Type: Issues
Status: Closed
Priority: 5 - Medium
MileStone: (None)
Component: (None)
Severity: 5 - Medium
Resolution: Won't Fix
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Ticket details:
The C11 standard introduced a sorting function qsort_s, which accepts an extra
argument as data that is passed to the sorting function. In GCC and standard
C11, the comparison function that is passed to qsort_s has this new data
argument as the last argument, while MSVC has it as the first argument. Mingw
seems to have taken the MSVC function declaration instead of the standard one.
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