From 8d7314ae9fde9984d9cebe27a96806e02f77be64 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Mon, 3 Sep 2001 18:24:37 +0000 Subject: [PATCH] update comment re power of 2 --- lib/xreadlink.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/xreadlink.c b/lib/xreadlink.c index 333551feda..881b794f18 100644 --- a/lib/xreadlink.c +++ b/lib/xreadlink.c @@ -46,7 +46,9 @@ char * xreadlink (char const *filename, size_t *link_length_arg) { - size_t buf_size = 128; /* must be a power of 2 */ + /* The initial buffer size for the link value. A power of 2 + detects arithmetic overflow earlier, but is not required. */ + size_t buf_size = 128; char *buffer = NULL; while (1) -- 2.30.2