diff options
Diffstat (limited to 'src/filelock.c')
| -rw-r--r-- | src/filelock.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/filelock.c b/src/filelock.c index 30258a5ffa0..e5de7355652 100644 --- a/src/filelock.c +++ b/src/filelock.c @@ -300,6 +300,7 @@ typedef struct static void fill_in_lock_file_name (register char *lockfile, register Lisp_Object fn) { + ptrdiff_t length = SBYTES (fn); register char *p; struct stat st; int count = 0; @@ -309,14 +310,14 @@ fill_in_lock_file_name (register char *lockfile, register Lisp_Object fn) /* Shift the nondirectory part of the file name (including the null) right two characters. Here is one of the places where we'd have to do something to support 14-character-max file names. */ - for (p = lockfile + strlen (lockfile); p != lockfile && *p != '/'; p--) + for (p = lockfile + length; p != lockfile && *p != '/'; p--) p[2] = *p; /* Insert the `.#'. */ p[1] = '.'; p[2] = '#'; - p = p + strlen (p); + p = p + length + 2; while (lstat (lockfile, &st) == 0 && !S_ISLNK (st.st_mode)) { |