eval(..,file,line);String#center

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@148 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/numeric.c b/numeric.c
index d07af84425..527d65d2a3 100644
--- a/numeric.c
+++ b/numeric.c
@@ -588,6 +588,18 @@ num2int(val)
 
     switch (TYPE(val)) {
       case T_FIXNUM:
+	if (sizeof(int) < sizeof(INT)) {
+#ifndef INT_MAX
+/* assuming 32bit(2's compliment) int */
+#  define INT_MAX       2147483647
+#  define INT_MIN       (- INT_MAX - 1)
+#endif
+	    INT i = FIX2INT(val);
+	    if (INT_MIN < i && i < INT_MAX) {
+		return i;
+	    }
+	    ArgError("Fixnum too big to convert into `int'");
+	}
 	return FIX2INT(val);
 
       case T_FLOAT: