Refix Bug #6094: use unsigned long integer literal.

* ext/openssl/ossl_pkey_rsa.c (rsa_generate): fix argument type.
  [Bug #6094]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35117 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -29,6 +29,11 @@ Thu Mar 22 19:55:08 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 	* win32/win32.c (unixtime_to_filetime): convert time_t to FILETIME
 	  simply.
 
+Thu Mar 22 13:43:31 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/openssl/ossl_pkey_rsa.c (rsa_generate): fix argument type.
+	  [Bug #6094]
+
 Thu Mar 22 11:14:10 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* test/ruby/test_io.rb (TestIO#test_pos_with_getc): updated.

ext/openssl/ossl_pkey_rsa.c

@@ -95,7 +95,7 @@ rsa_blocking_gen(void *arg)
 #endif
 
 static RSA *
-rsa_generate(int size, int exp)
+rsa_generate(int size, unsigned long exp)
 {
 #if defined(HAVE_RSA_GENERATE_KEY_EX) && HAVE_BN_GENCB
     int i;
@@ -111,7 +111,7 @@ rsa_generate(int size, int exp)
 	return 0;
     }
     for (i = 0; i < (int)sizeof(exp) * 8; ++i) {
-	if (exp & (1 << i)) {
+	if (exp & (1UL << i)) {
 	    if (BN_set_bit(e, i) == 0) {
 		BN_free(e);
 		RSA_free(rsa);
@@ -168,7 +168,7 @@ ossl_rsa_s_generate(int argc, VALUE *argv, VALUE klass)
 
     rb_scan_args(argc, argv, "11", &size, &exp);
 
-    rsa = rsa_generate(NUM2INT(size), NIL_P(exp) ? RSA_F4 : NUM2INT(exp)); /* err handled by rsa_instance */
+    rsa = rsa_generate(NUM2INT(size), NIL_P(exp) ? RSA_F4 : NUM2ULONG(exp)); /* err handled by rsa_instance */
     obj = rsa_instance(klass, rsa);
 
     if (obj == Qfalse) {
@@ -213,7 +213,7 @@ ossl_rsa_initialize(int argc, VALUE *argv, VALUE self)
 	rsa = RSA_new();
     }
     else if (FIXNUM_P(arg)) {
-	rsa = rsa_generate(FIX2INT(arg), NIL_P(pass) ? RSA_F4 : NUM2INT(pass));
+	rsa = rsa_generate(FIX2INT(arg), NIL_P(pass) ? RSA_F4 : NUM2ULONG(pass));
 	if (!rsa) ossl_raise(eRSAError, NULL);
     }
     else {