Mercurial > gnulib
view tests/test-qsort_r.c @ 40196:e63f5d3edab5
relocatable-prog: Update documentation.
* doc/relocatable-maint.texi (Supporting Relocation): Update to match
the recent changes.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 24 Feb 2019 01:49:15 +0100 |
parents | b06060465f09 |
children |
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/* Test qsort_r. Copyright 2014-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* Written by Paul Eggert. */ #include <config.h> #include <stdlib.h> #include <string.h> int cmp (void const *va, void const *vb, void *varg) { char const *a = va; char const *b = vb; int *arg = varg; return (*a < *b ? -1 : *a > *b) * *arg; } int main (void) { char buf[] = "thequickbrownfoxjumpedoverthelazydogs"; int forward = 1; int reverse = -1; qsort_r (buf, sizeof buf - 1, 1, cmp, &forward); if (strcmp (buf, "abcddeeeefghhijklmnoooopqrrsttuuvwxyz") != 0) return 1; qsort_r (buf, sizeof buf - 1, 1, cmp, &reverse); if (strcmp (buf, "zyxwvuuttsrrqpoooonmlkjihhgfeeeeddcba") != 0) return 1; return 0; }