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changeset 3453:f584fe45f97f

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update comment re power of 2
author Jim Meyering <jim@meyering.net>
date Mon, 03 Sep 2001 18:24:37 +0000
parents baf8d5fe777a
children 21277cc5ced5
files lib/xreadlink.c
diffstat 1 files changed, 3 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- 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)