This adds macros to implement (and/or declare) type-safe wrapper functions

[oweals/openssl.git] / crypto / lhash / lhash.h

diff --git a/crypto/lhash/lhash.h b/crypto/lhash/lhash.h
index 3c5355885f29d03b5350ed1007c445804aeade66..a6048a4b7d2a73bb2c18b46368e56f57d8947e5a 100644 (file)
--- a/crypto/lhash/lhash.h
+++ b/crypto/lhash/lhash.h
@@ -115,6 +115,25 @@ typedef void (*LHASH_DOALL_ARG_FN_TYPE)(const void *, const void *);
                return f_name(a,b); }
 #define LHASH_COMP_FN(f_name) f_name##_LHASH_COMP
 
+/* Third: "doall" functions */
+#define DECLARE_LHASH_DOALL_FN(f_name,o_type) \
+       void f_name##_LHASH_DOALL(const void *);
+#define IMPLEMENT_LHASH_DOALL_FN(f_name,o_type) \
+       void f_name##_LHASH_DOALL(const void *arg) { \
+               o_type a = (o_type)arg; \
+               return f_name(a); }
+#define LHASH_DOALL_FN(f_name) f_name##_LHASH_DOALL
+
+/* Fourth: "doall_arg" functions */
+#define DECLARE_LHASH_DOALL_ARG_FN(f_name,o_type,a_type) \
+       void f_name##_LHASH_DOALL_ARG(const void *, const void *);
+#define IMPLEMENT_LHASH_DOALL_ARG_FN(f_name,o_type,a_type) \
+       void f_name##_LHASH_DOALL_ARG(const void *arg1, const void *arg2) { \
+               o_type a = (o_type)arg1; \
+               a_type b = (a_type)arg2; \
+               return f_name(a,b); }
+#define LHASH_DOALL_ARG_FN(f_name) f_name##_LHASH_DOALL_ARG
+
 typedef struct lhash_st
        {
        LHASH_NODE **b;