merge-file: handle empty files gracefully

diff --git a/builtin-blame.c b/builtin-blame.c
index 5466d01f9a5917dbba4108669ee4513b581ff2c9..9b4c02e87f7ef4a20d269ab9315b6977cf7fb3fb 100644 (file)
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -125,7 +125,6 @@ static void origin_decref(struct origin *o)
        if (o && --o->refcnt <= 0) {
                if (o->file.ptr)
                        free(o->file.ptr);
-               memset(o, 0, sizeof(*o));
                free(o);
        }
 }
@@ -542,7 +541,7 @@ static struct patch *compare_buffer(mmfile_t *file_p, mmfile_t *file_o,
        state.ret->chunks = NULL;
        state.ret->num = 0;
 
-       xdl_diff(file_p, file_o, &xpp, &xecfg, &ecb);
+       xdi_diff(file_p, file_o, &xpp, &xecfg, &ecb);
 
        if (state.ret->num) {
                struct chunk *chunk;
@@ -607,7 +606,7 @@ static void add_blame_entry(struct scoreboard *sb, struct blame_entry *e)
 
 /*
  * src typically is on-stack; we want to copy the information in it to
- * an malloced blame_entry that is already on the linked list of the
+ * a malloced blame_entry that is already on the linked list of the
  * scoreboard.  The origin of dst loses a refcnt while the origin of src
  * gains one.
  */