#include "macro.h"
+/* This is the same as glibc's internal __compar_d_fn_t type. glibc exports a public comparison_fn_t, for the
+ * external type __compar_fn_t, but doesn't do anything similar for __compar_d_fn_t. Let's hence do that
+ * ourselves, picking a name that is obvious, but likely enough to not clash with glibc's choice of naming if
+ * they should ever add one. */
+typedef int (*comparison_userdata_fn_t)(const void *, const void *, void *);
+
void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
- __compar_d_fn_t compar, void *arg);
+ comparison_userdata_fn_t compar, void *arg);
#define typesafe_bsearch_r(k, b, n, func, userdata) \
({ \
const typeof(b[0]) *_k = k; \
int (*_func_)(const typeof(b[0])*, const typeof(b[0])*, typeof(userdata)) = func; \
- xbsearch_r((const void*) _k, (b), (n), sizeof((b)[0]), (__compar_d_fn_t) _func_, userdata); \
+ xbsearch_r((const void*) _k, (b), (n), sizeof((b)[0]), (comparison_userdata_fn_t) _func_, userdata); \
})
/**
_qsort_safe((p), (n), sizeof((p)[0]), (comparison_fn_t) _func_); \
})
-static inline void qsort_r_safe(void *base, size_t nmemb, size_t size, __compar_d_fn_t compar, void *userdata) {
+static inline void qsort_r_safe(void *base, size_t nmemb, size_t size, comparison_userdata_fn_t compar, void *userdata) {
if (nmemb <= 1)
return;
#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); \
+ qsort_r_safe((p), (n), sizeof((p)[0]), (comparison_userdata_fn_t) _func_, userdata); \
})
int cmp_int(const int *a, const int *b);