move read_mmfile() into xdiff-interface
read_file() was a useful function if you want to work with the xdiff stuff,
so it was renamed and put into a more central place.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/xdiff-interface.h b/xdiff-interface.h
index 1346908..1918808 100644
--- a/xdiff-interface.h
+++ b/xdiff-interface.h
@@ -17,5 +17,6 @@
int parse_hunk_header(char *line, int len,
int *ob, int *on,
int *nb, int *nn);
+int read_mmfile(mmfile_t *ptr, const char *filename);
#endif
