Kill filter->convert.

Its last user was filter_postselect().

diff --git a/filter.h b/filter.h
index cad163d89c20a8f8211377decf2c468d638d1dea..820161303e72f921488027b7fe146bbc344b1d81 100644 (file)
--- a/filter.h
+++ b/filter.h
@@ -158,19 +158,6 @@ struct filter {
         * of \a fn suitably. The open function is assumed to succeed.
         */
        void (*open)(struct filter_node *fn);
-       /**
-        * Convert (filter) the given data.
-        *
-        * Pointer to the converting function of the filter. It should convert the
-        * given input buffer \a inbuf which is of length \a len to the previously
-        * reserved output buffer of \a fn. On success, it must return the number of
-        * bytes it consumed from \a inbuf. On errors, a negative number indicating the
-        * kind of the error must be returned.
-        *
-        * A zero return value just means that nothing was converted (probably because
-        * the input buffer was too small). This is not interpreted as an error.
-        */
-       ssize_t (*convert)(char *inbuf, size_t len, struct filter_node *fn);
        /**
         * Close one instance of this filter.
         *