* Normal qsort requires base to be nonnull. Here were require
* that only if nmemb > 0.
*/
-static inline void qsort_safe(void *base, size_t nmemb, size_t size, comparison_fn_t compar) {
+static inline void qsort_safe(void *base, size_t nmemb, size_t size, __compar_fn_t compar) {
if (nmemb <= 1)
return;
qsort_safe((p), (n), sizeof((p)[0]), (__compar_fn_t) _func_); \
})
-static inline void qsort_r_safe(void *base, size_t nmemb, size_t size, int (*compar)(const void*, const void*, void*), void *userdata) {
+static inline void qsort_r_safe(void *base, size_t nmemb, size_t size, __compar_d_fn_t compar, void *userdata) {
if (nmemb <= 1)
return;
qsort_r(base, nmemb, size, compar, userdata);
}
+#define typesafe_qsort_r(p, n, func, userdata) \
+ ({ \
+ int (*_func_)(const typeof(p[0])*, const typeof(p[0])*, typeof(userdata)) = func; \
+ qsort_r_safe((p), (n), sizeof((p)[0]), (__compar_d_fn_t) _func_, userdata); \
+ })
+
/* Normal memcpy requires src to be nonnull. We do nothing if n is 0. */
static inline void memcpy_safe(void *dst, const void *src, size_t n) {
if (n == 0)