From ee2aeefa170b9806e719723f94ba933c90a9ae8b Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Wed, 4 Jan 2023 16:32:21 +0000 Subject: Add siovec doc, fix siovec_trunc, credit Ermine Signed-off-by: Laurent Bercot --- src/libstddjb/siovec_trunc.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'src/libstddjb') diff --git a/src/libstddjb/siovec_trunc.c b/src/libstddjb/siovec_trunc.c index d71f9d9..621e55f 100644 --- a/src/libstddjb/siovec_trunc.c +++ b/src/libstddjb/siovec_trunc.c @@ -6,13 +6,13 @@ unsigned int siovec_trunc (struct iovec *v, unsigned int n, size_t len) { size_t w = siovec_len(v, n) ; - unsigned int i = n ; if (w < len) return n ; len = w - len ; - while (len && i--) + while (n && len) { - w = len > v[i].iov_len ? v[i].iov_len : len ; - v[i].iov_len -= w ; len -= w ; + w = len > v[n-1].iov_len ? v[n-1].iov_len : len ; + v[n-1].iov_len -= w ; len -= w ; + if (!v[n-1].iov_len) n-- ; } - return i ; + return n ; } -- cgit v1.3.1