git format-patch: avoid underrun when format.headers is empty or all NLs
* builtin-log.c (add_header): Avoid a buffer underrun when format.headers is empty or all newlines. Reproduce with this: git config format.headers '' && git format-patch -1 Signed-off-by: NJim Meyering <meyering@redhat.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
Showing
想要评论请 注册 或 登录