asort: Use qsort_r if the system provides it.
[ccan] / ccan / asort / asort.h
index eaaa5b19f418a96a46a951570ad0a9bbf00ed3b0..5024a057cde5d548fe9986dc5e2abc375190cec6 100644 (file)
@@ -1,5 +1,6 @@
 #ifndef CCAN_ASORT_H
 #define CCAN_ASORT_H
+#include "config.h"
 #include <ccan/typesafe_cb/typesafe_cb.h>
 #include <stdlib.h>
 
@@ -24,8 +25,12 @@ _asort((base), (num), sizeof(*(base)),                                       \
                            const __typeof__(*(base)) *,                \
                            __typeof__(ctx))), (ctx))
 
+#if HAVE_QSORT_R_PRIVATE_LAST
+#define _asort(b, n, s, cmp, ctx) qsort_r(b, n, s, cmp, ctx)
+#else
 void _asort(void *base, size_t nmemb, size_t size,
            int(*compar)(const void *, const void *, void *),
            void *ctx);
+#endif
 
 #endif /* CCAN_ASORT_H */