Merge branch 'js/try-to-free-stackable'

[git.git] / xdiff-interface.c

diff --git a/xdiff-interface.c b/xdiff-interface.c
index 3cf39c39c47301fb39cbe859d5165179c13fe752..cd2285de1cb1faa9f7c6c97dd22210f20bb046a3 100644 (file)
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -219,6 +219,23 @@ 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)
 {