xdiff: do away with xdl_mmfile_next()

[git.git] / xdiff / xutils.c

diff --git a/xdiff/xutils.c b/xdiff/xutils.c
index a45e89bbed5ba582f31aff62b13fd6ddb27b1a85..0de084e53f5144153373cc66cae7b523b4ae2812 100644 (file)
--- a/xdiff/xutils.c
+++ b/xdiff/xutils.c
@@ -67,12 +67,6 @@ void *xdl_mmfile_first(mmfile_t *mmf, long *size)
 }
 
 
-void *xdl_mmfile_next(mmfile_t *mmf, long *size)
-{
-       return NULL;
-}
-
-
 long xdl_mmfile_size(mmfile_t *mmf)
 {
        return mmf->size;
@@ -160,13 +154,7 @@ long xdl_guess_lines(mmfile_t *mf, long sample) {
        char const *data, *cur, *top;
 
        if ((cur = data = xdl_mmfile_first(mf, &size)) != NULL) {
-               for (top = data + size; nl < sample;) {
-                       if (cur >= top) {
-                               tsize += (long) (cur - data);
-                               if (!(cur = data = xdl_mmfile_next(mf, &size)))
-                                       break;
-                               top = data + size;
-                       }
+               for (top = data + size; nl < sample && cur < top; ) {
                        nl++;
                        if (!(cur = memchr(cur, '\n', top - cur)))
                                cur = top;