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author | Jim Meyering <jim@meyering.net> | 2001-09-03 18:24:37 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 2001-09-03 18:24:37 +0000 |
commit | 8d7314ae9fde9984d9cebe27a96806e02f77be64 (patch) | |
tree | 6db7d2f0fa791610c696d42d525e3bd58cf3e782 /lib/xreadlink.c | |
parent | e6995fc57b107d86e2601d1c3f3538d42ba1bade (diff) | |
download | gnulib-8d7314ae9fde9984d9cebe27a96806e02f77be64.tar.gz |
update comment re power of 2
Diffstat (limited to 'lib/xreadlink.c')
-rw-r--r-- | lib/xreadlink.c | 4 |
1 files changed, 3 insertions, 1 deletions
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) |