From 53151f00720d5cd2df8cf196f4523d4f5b831598 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Mon, 27 Oct 2014 15:42:23 +0800 Subject: [OUTPUT] Add likely tag in outmem The branch in outmem where the string fits in the buffer is the common case and is now marked as likely. Signed-off-by: Herbert Xu --- ChangeLog | 1 + src/output.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index e6d6cbf..9d2dc7c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -3,6 +3,7 @@ * Add printf support for format string a, A, and F. * Handle embedded NULs correctly in printf. * Replace open-coded flushall in preadbuffer. + * Add likely tag in outmem. 2014-10-13 Eric Blake diff --git a/src/output.c b/src/output.c index 1b20850..3e1ae25 100644 --- a/src/output.c +++ b/src/output.c @@ -144,7 +144,7 @@ outmem(const char *p, size_t len, struct output *dest) size_t nleft; nleft = dest->end - dest->nextc; - if (nleft >= len) { + if (likely(nleft >= len)) { buffered: dest->nextc = mempcpy(dest->nextc, p, len); return; -- cgit 1.4.1