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-rw-r--r--diff-delta.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/diff-delta.c b/diff-delta.c
index fa16d06c8d..51df4608a8 100644
--- a/diff-delta.c
+++ b/diff-delta.c
@@ -308,8 +308,8 @@ create_delta(const struct delta_index *index,
continue;
if (ref_size > top - src)
ref_size = top - src;
- if (ref_size > 0x10000)
- ref_size = 0x10000;
+ if (ref_size > 0xffffff)
+ ref_size = 0xffffff;
if (ref_size <= msize)
break;
while (ref_size-- && *src++ == *ref)
@@ -318,6 +318,8 @@ create_delta(const struct delta_index *index,
/* this is our best match so far */
msize = ref - entry->ptr;
moff = entry->ptr - ref_data;
+ if (msize >= 0x10000)
+ break; /* this is good enough */
}
}
@@ -381,6 +383,8 @@ create_delta(const struct delta_index *index,
if (msize & 0xff) { out[outpos++] = msize; i |= 0x10; }
msize >>= 8;
if (msize & 0xff) { out[outpos++] = msize; i |= 0x20; }
+ msize >>= 8;
+ if (msize & 0xff) { out[outpos++] = msize; i |= 0x40; }
*op = i;
}