From 6a8b6bd8e566b7913d9a6520f6e694b0fe78a1f7 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Sun, 5 May 2024 19:30:57 +0300 Subject: [PATCH] Fix lock files on some versions of Cygwin * src/filelock.c (current_lock_owner): Support negative boot-time on rare systems. (Bug#70415) (cherry picked from commit d5b6627faa9bbd0059600a91d1cd45c0b31e3cd8) --- src/filelock.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/filelock.c b/src/filelock.c index 01d35c46726..e5b352cb6ff 100644 --- a/src/filelock.c +++ b/src/filelock.c @@ -419,7 +419,9 @@ current_lock_owner (lock_info_type *owner, Lisp_Object lfname) boot += 2; FALLTHROUGH; case ':': - if (! c_isdigit (boot[0])) + if (!(c_isdigit (boot[0]) + /* A negative number. */ + || (boot[0] == '-' && c_isdigit (boot[1])))) return EINVAL; boot_time = strtoimax (boot, &lfinfo_end, 10); break; -- 2.39.5