2000-04-17

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_4@669 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/string.c b/string.c
index 2726f60cec..d74d97f8a8 100644
--- a/string.c
+++ b/string.c
@@ -855,6 +855,10 @@ rb_str_replace(str, beg, len, val)
     int beg;
     int len;
 {
+    if (RSTRING(str)->len < beg + len) {
+	len = RSTRING(str)->len - beg;
+    }
+
     if (len < RSTRING(val)->len) {
 	/* expand string */
 	REALLOC_N(RSTRING(str)->ptr, char, RSTRING(str)->len+RSTRING(val)->len-len+1);