+typedef enum {
+ DIFF_UNIFIED, DIFF_SSDIFF, DIFF_STATONLY
+} diff_type;
+
+typedef enum {
+ ABOUT, COMMIT, SOURCE, EMAIL, AUTH, OWNER
+} filter_type;
+
+struct cgit_filter {
+ int (*open)(struct cgit_filter *, va_list ap);
+ int (*close)(struct cgit_filter *);
+ void (*fprintfp)(struct cgit_filter *, FILE *, const char *prefix);
+ void (*cleanup)(struct cgit_filter *);
+ int argument_count;
+};
+
+struct cgit_exec_filter {
+ struct cgit_filter base;
+ char *cmd;
+ char **argv;
+ int old_stdout;
+ int pid;
+};
+