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-rw-r--r--lib/transfer.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/transfer.c b/lib/transfer.c
index b860805c6..6085cb45b 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -573,6 +573,9 @@ CURLcode Curl_readwrite(struct connectdata *conn,
end++, len++);
/* allocate memory of a cloned copy */
+ if(data->info.contenttype)
+ free(data->info.contenttype);
+
data->info.contenttype = malloc(len + 1);
if (NULL == data->info.contenttype)
return CURLE_OUT_OF_MEMORY;