X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;ds=inline;f=xdiff-interface.c;h=ca5e3fbae8184e7114413ec65fe815e01ad6b2a8;hb=c5ce1836719dc77e3c8495206653037cb5c4e511;hp=01f14fb50f7cf1387898a0c8db44f966ce07b720;hpb=970957dbad9361de75bf712cd2049853189b428f;p=git.git

diff --git a/xdiff-interface.c b/xdiff-interface.c
index 01f14fb50..ca5e3fbae 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -218,6 +218,23 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
 	return 0;
 }
 
+void read_mmblob(mmfile_t *ptr, const unsigned char *sha1)
+{
+	unsigned long size;
+	enum object_type type;
+
+	if (!hashcmp(sha1, null_sha1)) {
+		ptr->ptr = xstrdup("");
+		ptr->size = 0;
+		return;
+	}
+
+	ptr->ptr = read_sha1_file(sha1, &type, &size);
+	if (!ptr->ptr || type != OBJ_BLOB)
+		die("unable to read blob object %s", sha1_to_hex(sha1));
+	ptr->size = size;
+}
+
 #define FIRST_FEW_BYTES 8000
 int buffer_is_binary(const char *ptr, unsigned long size)
 {