strbuf change: be sure ->buf is never ever NULL.

diff --git a/builtin-archive.c b/builtin-archive.c
index 843a9e37bbb5b7274e928499d3b7935399216e65..04385dea05110053db72e30a77e6d4a10bc7875b 100644 (file)
--- a/builtin-archive.c
+++ b/builtin-archive.c
@@ -89,7 +89,7 @@ static void format_subst(const struct commit *commit,
        struct strbuf fmt;
 
        if (src == buf->buf)
-               to_free = strbuf_detach(buf);
+               to_free = strbuf_detach(buf, NULL);
        strbuf_init(&fmt, 0);
        for (;;) {
                const char *b, *c;
@@ -153,8 +153,7 @@ void *sha1_file_to_archive(const char *path, const unsigned char *sha1,
                strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
                convert_to_working_tree(path, buf.buf, buf.len, &buf);
                convert_to_archive(path, buf.buf, buf.len, &buf, commit);
-               *sizep = buf.len;
-               buffer = buf.buf;
+               buffer = strbuf_detach(&buf, sizep);
        }
 
        return buffer;