| /* |
| * librdkafka - Apache Kafka C library |
| * |
| * Copyright (c) 2016 Magnus Edenhill |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * System portability |
| */ |
| |
| #include "rd.h" |
| |
| |
| #include <stdlib.h> |
| |
| /** |
| * qsort_r substitute |
| * This nicely explains why we wont bother with the native implementation |
| * on Win32 (qsort_s), OSX/FreeBSD (qsort_r with diff args): |
| * http://forum.theorex.tech/t/different-declarations-of-qsort-r-on-mac-and-linux/93/2 |
| */ |
| static RD_TLS int (*rd_qsort_r_cmp) (const void *, const void *, void *); |
| static RD_TLS void *rd_qsort_r_arg; |
| |
| static RD_UNUSED |
| int rd_qsort_r_trampoline (const void *a, const void *b) { |
| return rd_qsort_r_cmp(a, b, rd_qsort_r_arg); |
| } |
| |
| void rd_qsort_r (void *base, size_t nmemb, size_t size, |
| int (*compar)(const void *, const void *, void *), |
| void *arg) { |
| rd_qsort_r_cmp = compar; |
| rd_qsort_r_arg = arg; |
| qsort(base, nmemb, size, rd_qsort_r_trampoline); |
| rd_qsort_r_cmp = NULL; |
| rd_qsort_r_arg = NULL; |
| } |