1 files changed, 48 insertions, 0 deletions
diff --git a/src/libposixplz/qsortr.c b/src/libposixplz/qsortr.c
new file mode 100644
index 0000000..5fa7dd1
--- /dev/null
+++ b/src/libposixplz/qsortr.c
@@ -0,0 +1,48 @@
+/* ISC license. */
+
+#include <skalibs/sysdeps.h>
+
+#include <stdlib.h>
+
+#ifdef SKALIBS_HASQSORTR_POSIX
+
+void qsortr (void *base, size_t n, size_t width, cmp_func_ref f, void *data)
+{
+  qsort_r(base, n, width, f, data) ;
+}
+
+#else
+#ifdef SKALIBS_HASQSORTR_FREEBSD
+
+void qsortr (void *base, size_t n, size_t width, cmp_func_ref f, void *data)
+{
+  qsort_r(base, n, width, data, f) ;
+}
+
+#else
+
+#include <skalibs/functypes.h>
+#include <skalibs/posixplz.h>
+
+struct aux_s
+{
+  cmp_func_ref f ;
+  void *data ;
+} ;
+
+static struct aux_s *qsortr_aux_here ;
+
+static int cmp (void const *a, void const *b)
+{
+  return (*qsortr_aux_here->f)(a, b, qsortr_aux_here->data) ;
+}
+
+void qsortr (void *base, size_t n, size_t width, cmp_func_ref f, void *data)
+{
+  struct aux_s aux = { .f = f, .data = data } ;
+  qsortr_aux_here = &aux ;
+  qsort(base, n, width, &cmp) ;
+}
+
+#endif
+#endif