url: decode buffers that are not NUL-terminated

The url_decode function needs only minor tweaks to handle
arbitrary buffers. Let's do those tweaks, which cleans up an
unreadable mess of temporary strings in http.c.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/url.h b/url.h
index 7100e3215..abdaf6fa3 100644
--- a/url.h
+++ b/url.h
@@ -4,6 +4,7 @@
 extern int is_url(const char *url);
 extern int is_urlschemechar(int first_flag, int ch);
 extern char *url_decode(const char *url);
+extern char *url_decode_mem(const char *url, int len);
 extern char *url_decode_parameter_name(const char **query);
 extern char *url_decode_parameter_value(const char **query);