lib: base64 - Fix base64_get_full_encoded_size() for size 0.

diff --git a/src/lib/base64.c b/src/lib/base64.c
index 7fe51a80985013f09faf749be36929e02871c248..26e87cde1db9ac6c587c31c31e5a766fc0906e82 100644 (file)
--- a/src/lib/base64.c
+++ b/src/lib/base64.c
@@ -16,6 +16,9 @@ off_t base64_get_full_encoded_size(struct base64_encoder *enc, off_t src_size)
        off_t out_size;
        off_t newlines;
 
+       if (src_size == 0)
+               return 0;
+
        /* calculate size of encoded data */
        out_size = MAX_BASE64_ENCODED_SIZE(src_size);
        if (no_padding) {