filter: split filter functions into their own file

A first step for more interesting things.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 file changed, 1 insertion, 0 deletions

diff --git a/cgit.h b/cgit.h
index f7b606c..a72c503 100644
--- a/cgit.h
+++ b/cgit.h
@@ -344,6 +344,7 @@ extern int cgit_parse_snapshots_mask(const char *str);
 
 extern int cgit_open_filter(struct cgit_filter *filter);
 extern int cgit_close_filter(struct cgit_filter *filter);
+extern struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype);
 
 extern void cgit_prepare_repo_env(struct cgit_repo * repo);