bio: simplify ossl_membio2str() using ossl_str_new()

ossl_membio2str0() and ossl_protect_membio2str() are removed as they
aren't used anywhere.

Author: rhenium

ext/openssl/ossl_bio.c

@@ -53,32 +53,17 @@ ossl_protect_obj2bio(VALUE obj, int *status)
 }
 
 VALUE
-ossl_membio2str0(BIO *bio)
+ossl_membio2str(BIO *bio)
 {
     VALUE ret;
+    int state;
     BUF_MEM *buf;
 
     BIO_get_mem_ptr(bio, &buf);
-    ret = rb_str_new(buf->data, buf->length);
-
-    return ret;
-}
-
-VALUE
-ossl_protect_membio2str(BIO *bio, int *status)
-{
-    return rb_protect((VALUE (*)(VALUE))ossl_membio2str0, (VALUE)bio, status);
-}
-
-VALUE
-ossl_membio2str(BIO *bio)
-{
-    VALUE ret;
-    int status = 0;
-
-    ret = ossl_protect_membio2str(bio, &status);
+    ret = ossl_str_new(buf->data, buf->length, &state);
     BIO_free(bio);
-    if(status) rb_jump_tag(status);
+    if (state)
+	rb_jump_tag(state);
 
     return ret;
 }

ext/openssl/ossl_bio.h

@@ -12,8 +12,6 @@
 
 BIO *ossl_obj2bio(VALUE);
 BIO *ossl_protect_obj2bio(VALUE,int*);
-VALUE ossl_membio2str0(BIO*);
 VALUE ossl_membio2str(BIO*);
-VALUE ossl_protect_membio2str(BIO*,int*);
 
 #endif