$NetBSD: patch-be,v 1.4 2010/09/10 03:29:00 taca Exp $

Suppress warnings.

--- ext/openssl/ossl_cipher.c.orig	2010-05-24 23:58:49.000000000 +0000
+++ ext/openssl/ossl_cipher.c
@@ -188,7 +188,7 @@ ossl_cipher_init(int argc, VALUE *argv, 
 	 * We deprecated the arguments for this method, but we decided
 	 * keeping this behaviour for backward compatibility.
 	 */
-	char *cname  = rb_class2name(rb_obj_class(self));
+	const char *cname  = rb_class2name(rb_obj_class(self));
 	rb_warn("argumtents for %s#encrypt and %s#decrypt were deprecated; "
                 "use %s#pkcs5_keyivgen to derive key and IV",
                 cname, cname, cname);
@@ -204,7 +204,7 @@ ossl_cipher_init(int argc, VALUE *argv, 
 	    else memcpy(iv, RSTRING_PTR(init_v), sizeof(iv));
 	}
 	EVP_BytesToKey(EVP_CIPHER_CTX_cipher(ctx), EVP_md5(), iv,
-		       RSTRING_PTR(pass), RSTRING_LEN(pass), 1, key, NULL);
+		       (unsigned char *)RSTRING_PTR(pass), RSTRING_LEN(pass), 1, key, NULL);
 	p_key = key;
 	p_iv = iv;
     }
@@ -281,13 +281,13 @@ ossl_cipher_pkcs5_keyivgen(int argc, VAL
 	StringValue(vsalt);
 	if(RSTRING_LEN(vsalt) != PKCS5_SALT_LEN)
 	    rb_raise(eCipherError, "salt must be an 8-octet string");
-	salt = RSTRING_PTR(vsalt);
+	salt = (unsigned char *)RSTRING_PTR(vsalt);
     }
     iter = NIL_P(viter) ? 2048 : NUM2INT(viter);
     digest = NIL_P(vdigest) ? EVP_md5() : GetDigestPtr(vdigest);
     GetCipher(self, ctx);
     EVP_BytesToKey(EVP_CIPHER_CTX_cipher(ctx), digest, salt,
-		   RSTRING_PTR(vpass), RSTRING_LEN(vpass), iter, key, iv); 
+		   (unsigned char *)RSTRING_PTR(vpass), RSTRING_LEN(vpass), iter, key, iv); 
     if (EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, -1) != 1)
 	ossl_raise(eCipherError, NULL);
     OPENSSL_cleanse(key, sizeof key);
@@ -309,7 +309,7 @@ ossl_cipher_pkcs5_keyivgen(int argc, VAL
 static VALUE
 ossl_cipher_update_deprecated(VALUE self, VALUE data)
 {
-    char *cname;
+    const char *cname;
 
     cname = rb_class2name(rb_obj_class(self));
     rb_warning("%s#<< is deprecated; use %s#update instead", cname, cname);
@@ -329,14 +329,14 @@ static VALUE 
 ossl_cipher_update(int argc, VALUE *argv, VALUE self)
 {
     EVP_CIPHER_CTX *ctx;
-    char *in;
+    unsigned char *in;
     int in_len, out_len;
     VALUE data, str;
 
     rb_scan_args(argc, argv, "11", &data, &str);
 
     StringValue(data);
-    in = RSTRING_PTR(data);
+    in = (unsigned char *)RSTRING_PTR(data);
     if ((in_len = RSTRING_LEN(data)) == 0)
         rb_raise(rb_eArgError, "data must not be empty");
     GetCipher(self, ctx);
@@ -349,7 +349,7 @@ ossl_cipher_update(int argc, VALUE *argv
         rb_str_resize(str, out_len);
     }
 
-    if (!EVP_CipherUpdate(ctx, RSTRING_PTR(str), &out_len, in, in_len))
+    if (!EVP_CipherUpdate(ctx, (unsigned char *)RSTRING_PTR(str), &out_len, in, in_len))
 	ossl_raise(eCipherError, NULL);
     assert(out_len < RSTRING_LEN(str));
     rb_str_set_len(str, out_len);
@@ -374,7 +374,7 @@ ossl_cipher_final(VALUE self)
 
     GetCipher(self, ctx);
     str = rb_str_new(0, EVP_CIPHER_CTX_block_size(ctx));
-    if (!EVP_CipherFinal_ex(ctx, RSTRING_PTR(str), &out_len))
+    if (!EVP_CipherFinal_ex(ctx, (unsigned char *)RSTRING_PTR(str), &out_len))
 	ossl_raise(eCipherError, NULL);
     assert(out_len <= RSTRING_LEN(str));
     rb_str_set_len(str, out_len);
@@ -417,7 +417,7 @@ ossl_cipher_set_key(VALUE self, VALUE ke
     if (RSTRING_LEN(key) < EVP_CIPHER_CTX_key_length(ctx))
         ossl_raise(eCipherError, "key length too short");
 
-    if (EVP_CipherInit_ex(ctx, NULL, NULL, RSTRING_PTR(key), NULL, -1) != 1)
+    if (EVP_CipherInit_ex(ctx, NULL, NULL, (unsigned char *)RSTRING_PTR(key), NULL, -1) != 1)
         ossl_raise(eCipherError, NULL);
 
     return key;
@@ -442,7 +442,7 @@ ossl_cipher_set_iv(VALUE self, VALUE iv)
     if (RSTRING_LEN(iv) < EVP_CIPHER_CTX_iv_length(ctx))
         ossl_raise(eCipherError, "iv length too short");
 
-    if (EVP_CipherInit_ex(ctx, NULL, NULL, NULL, RSTRING_PTR(iv), -1) != 1)
+    if (EVP_CipherInit_ex(ctx, NULL, NULL, NULL, (unsigned char *)RSTRING_PTR(iv), -1) != 1)
 	ossl_raise(eCipherError, NULL);
 
     return iv;