Don't allocate too much memory in quote_ref_url

In c13b263, http_fetch_ref got "refs/" included in the ref passed to it,
which, incidentally, makes the allocation in quote_ref_url too big, now.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/http.c b/http.c
index 2a21ccbb76351d108301d2b9c334e2c5a5feacd9..105dc93843ba1f01ea0d40c63dd174e879f1a25a 100644 (file)
--- a/http.c
+++ b/http.c
@@ -583,7 +583,7 @@ static char *quote_ref_url(const char *base, const char *ref)
        int len, baselen, ch;
 
        baselen = strlen(base);
-       len = baselen + 7; /* "/refs/" + NUL */
+       len = baselen + 2; /* '/' after base and terminating NUL */
        for (cp = ref; (ch = *cp) != 0; cp++, len++)
                if (needs_quote(ch))
                        len += 2; /* extra two hex plus replacement % */