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-rw-r--r--ext/dl/dl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/dl/dl.c b/ext/dl/dl.c
index 5813adc58b..f11b69c5a5 100644
--- a/ext/dl/dl.c
+++ b/ext/dl/dl.c
@@ -588,7 +588,7 @@ VALUE
rb_dl_strdup(VALUE self, VALUE str)
{
SafeStringValue(str);
- return rb_dlptr_new(strdup(RSTRING(str)->ptr), RSTRING(str)->len, dlfree);
+ return rb_dlptr_new(strdup(RSTRING(str)->ptr), strlen(RSTRING(str)->ptr)+1, dlfree);
}
static VALUE