merge revision(s) 44572,44578,44591,44592: [Backport #9490]

	ext: use rb_sprintf() and rb_vsprintf() with PRIsVALUE

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@44903 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 7 deletions

diff --git a/ext/openssl/ossl.c b/ext/openssl/ossl.c
index 43ccf4c3fd..3961d3ea33 100644
--- a/ext/openssl/ossl.c
+++ b/ext/openssl/ossl.c
@@ -293,10 +293,9 @@ ossl_to_der_if_possible(VALUE obj)
 static VALUE
 ossl_make_error(VALUE exc, const char *fmt, va_list args)
 {
-    char buf[BUFSIZ];
+    VALUE str = Qnil;
     const char *msg;
     long e;
-    int len = 0;
 
 #ifdef HAVE_ERR_PEEK_LAST_ERROR
     e = ERR_peek_last_error();
@@ -304,14 +303,19 @@ ossl_make_error(VALUE exc, const char *fmt, va_list args)
     e = ERR_peek_error();
 #endif
     if (fmt) {
-	len = vsnprintf(buf, BUFSIZ, fmt, args);
+	str = rb_vsprintf(fmt, args);
     }
-    if (len < BUFSIZ && e) {
+    if (e) {
 	if (dOSSL == Qtrue) /* FULL INFO */
 	    msg = ERR_error_string(e, NULL);
 	else
 	    msg = ERR_reason_error_string(e);
-	len += snprintf(buf+len, BUFSIZ-len, "%s%s", (len ? ": " : ""), msg);
+	if (NIL_P(str)) {
+	    str = rb_str_new_cstr(msg);
+	}
+	else {
+	    rb_str_cat2(rb_str_cat2(str, ": "), msg);
+	}
     }
     if (dOSSL == Qtrue){ /* show all errors on the stack */
 	while ((e = ERR_get_error()) != 0){
@@ -320,8 +324,8 @@ ossl_make_error(VALUE exc, const char *fmt, va_list args)
     }
     ERR_clear_error();
 
-    if(len > BUFSIZ) len = rb_long2int(strlen(buf));
-    return rb_exc_new(exc, buf, len);
+    if (NIL_P(str)) str = rb_str_new(0, 0);
+    return rb_exc_new3(exc, str);
 }
 
 void