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From: | Ken Brown |
Subject: | bug#70415: 30.0.50; [Cygwin] `lock-file' creates a symlink with funny name |
Date: | Sun, 5 May 2024 12:21:03 -0400 |
User-agent: | Mozilla Thunderbird |
On 5/5/2024 1:40 AM, Eli Zaretskii wrote:
Right. Does the below look like the right change to support such weird cases? diff --git a/src/filelock.c b/src/filelock.c index 01d35c4..86c6eeb 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;
Not quite. I think it should be diff --git a/src/filelock.c b/src/filelock.c index 01d35c46726a..faa85a56628b 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;
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