submodules: overhaul documentation

diff --git a/diff.c b/diff.c
index 48e5f9cb08de02dfc3a087dff7a29beb0694ced4..5275c4b78011e90627c073f487f3f8298b483352 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -5270,6 +5270,29 @@ size_t fill_textconv(struct userdiff_driver *driver,
        return size;
 }
 
+int textconv_object(const char *path,
+                   unsigned mode,
+                   const struct object_id *oid,
+                   int oid_valid,
+                   char **buf,
+                   unsigned long *buf_size)
+{
+       struct diff_filespec *df;
+       struct userdiff_driver *textconv;
+
+       df = alloc_filespec(path);
+       fill_filespec(df, oid->hash, oid_valid, mode);
+       textconv = get_textconv(df);
+       if (!textconv) {
+               free_filespec(df);
+               return 0;
+       }
+
+       *buf_size = fill_textconv(textconv, df, buf);
+       free_filespec(df);
+       return 1;
+}
+
 void setup_diff_pager(struct diff_options *opt)
 {
        /*