diff options
Diffstat (limited to 'src/basic/util.h')
| -rw-r--r-- | src/basic/util.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/basic/util.h b/src/basic/util.h index a6e77980a1..5f3f982190 100644 --- a/src/basic/util.h +++ b/src/basic/util.h @@ -68,15 +68,21 @@ bool in_initrd(void); void in_initrd_force(bool value); void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size, - int (*compar) (const void *, const void *, void *), - void *arg); + __compar_d_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); \ + }) /** * Normal bsearch requires base to be nonnull. Here were require * that only if nmemb > 0. */ static inline void* bsearch_safe(const void *key, const void *base, - size_t nmemb, size_t size, comparison_fn_t compar) { + size_t nmemb, size_t size, __compar_fn_t compar) { if (nmemb <= 0) return NULL; @@ -84,6 +90,13 @@ static inline void* bsearch_safe(const void *key, const void *base, return bsearch(key, base, nmemb, size, compar); } +#define typesafe_bsearch(k, b, n, func) \ + ({ \ + const typeof(b[0]) *_k = k; \ + int (*_func_)(const typeof(b[0])*, const typeof(b[0])*) = func; \ + bsearch_safe((const void*) _k, (b), (n), sizeof((b)[0]), (__compar_fn_t) _func_); \ + }) + /** * Normal qsort requires base to be nonnull. Here were require * that only if nmemb > 0. |