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sortix--sortix/libc/stdlib/qsort.cpp
Jonas 'Sortie' Termansen a9cf3cc684 Add qsort_r(3).
2014-09-25 18:20:00 +02:00

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C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012, 2014.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
stdlib/qsort.cpp
Sort an array.
*******************************************************************************/
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
static int compare_wrapper(const void* a, const void* b, void* arg)
{
return ((int (*)(const void*, const void*)) arg)(a, b);
}
extern "C"
void qsort(void* base_ptr,
size_t num_elements,
size_t element_size,
int (*compare)(const void*, const void*))
{
qsort_r(base_ptr, num_elements, element_size, compare_wrapper, (void*) compare);
}