make/test_qsort_r.c

Thu, 18 Dec 2025 12:11:30 +0100

author
Mike Becker <universe@uap-core.de>
date
Thu, 18 Dec 2025 12:11:30 +0100
changeset 1620
bf5d647f939d
parent 1413
make/test_memrchr.c@c5a225d7228c
permissions
-rw-r--r--

use qsort_r() when it is available - relates to #622

1620
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
1 #define _GNU_SOURCE
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
2 #include <stdlib.h>
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
3
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
4 static int f(const void *a, const void *b, void *c) {
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
5 return 0; // not important what it does for this test
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
6 }
1413
c5a225d7228c improve feature test for memrchr() making it also available on BSD
Mike Becker <universe@uap-core.de>
parents:
diff changeset
7
c5a225d7228c improve feature test for memrchr() making it also available on BSD
Mike Becker <universe@uap-core.de>
parents:
diff changeset
8 int main() {
1620
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
9 int x[4] = {3, 1, 4, 0};
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
10 int z = 47;
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
11 void *c = &z;
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
12 qsort_r(x, 4, sizeof(int), f, c);
bf5d647f939d use qsort_r() when it is available - relates to #622
Mike Becker <universe@uap-core.de>
parents: 1413
diff changeset
13 return 0;
1413
c5a225d7228c improve feature test for memrchr() making it also available on BSD
Mike Becker <universe@uap-core.de>
parents:
diff changeset
14 }

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