ref-filter: include reference to 'used_atom' within 'atom_value'

diff --git a/xdiff-interface.c b/xdiff-interface.c
index 08a7313e6aff06d0c95e1a28b9fa96d48c8c19b1..060038c2d6b92512e6625d0f5d94ed5439cd249c 100644 (file)
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -100,9 +100,9 @@ static int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf)
 
 /*
  * Trim down common substring at the end of the buffers,
- * but leave at least ctx lines at the end.
+ * but end on a complete line.
  */
-static void trim_common_tail(mmfile_t *a, mmfile_t *b, long ctx)
+static void trim_common_tail(mmfile_t *a, mmfile_t *b)
 {
        const int blk = 1024;
        long trimmed = 0, recovered = 0;
@@ -110,9 +110,6 @@ static void trim_common_tail(mmfile_t *a, mmfile_t *b, long ctx)
        char *bp = b->ptr + b->size;
        long smaller = (a->size < b->size) ? a->size : b->size;
 
-       if (ctx)
-               return;
-
        while (blk + trimmed <= smaller && !memcmp(ap - blk, bp - blk, blk)) {
                trimmed += blk;
                ap -= blk;
@@ -134,7 +131,8 @@ int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t co
        if (mf1->size > MAX_XDIFF_SIZE || mf2->size > MAX_XDIFF_SIZE)
                return -1;
 
-       trim_common_tail(&a, &b, xecfg->ctxlen);
+       if (!xecfg->ctxlen && !(xecfg->flags & XDL_EMIT_FUNCCONTEXT))
+               trim_common_tail(&a, &b);
 
        return xdl_diff(&a, &b, xpp, xecfg, xecb);
 }
@@ -180,20 +178,20 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
        return 0;
 }
 
-void read_mmblob(mmfile_t *ptr, const unsigned char *sha1)
+void read_mmblob(mmfile_t *ptr, const struct object_id *oid)
 {
        unsigned long size;
        enum object_type type;
 
-       if (!hashcmp(sha1, null_sha1)) {
+       if (!oidcmp(oid, &null_oid)) {
                ptr->ptr = xstrdup("");
                ptr->size = 0;
                return;
        }
 
-       ptr->ptr = read_sha1_file(sha1, &type, &size);
+       ptr->ptr = read_sha1_file(oid->hash, &type, &size);
        if (!ptr->ptr || type != OBJ_BLOB)
-               die("unable to read blob object %s", sha1_to_hex(sha1));
+               die("unable to read blob object %s", oid_to_hex(oid));
        ptr->size = size;
 }