From 0ff0b320a2dbb5e0b5fa245ffd9b2648d7026843 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Tue, 20 Aug 2013 12:49:28 +0200 Subject: dd: code shrink function old new delta dd_main 1475 1469 -6 Signed-off-by: Denys Vlasenko --- coreutils/dd.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'coreutils/dd.c') diff --git a/coreutils/dd.c b/coreutils/dd.c index 9299f58bc..2838f6341 100644 --- a/coreutils/dd.c +++ b/coreutils/dd.c @@ -395,7 +395,8 @@ int dd_main(int argc UNUSED_PARAM, char **argv) n = 0; } if (flags & FLAG_SWAB) { - uint16_t *p16, *end; + uint16_t *p16; + ssize_t n2; /* Our code allows only last read to be odd-sized */ if (prev_read_size & 1) @@ -408,8 +409,8 @@ int dd_main(int argc UNUSED_PARAM, char **argv) * prints "wqe". */ p16 = (void*) ibuf; - end = (void*) (ibuf + (n & ~(ssize_t)1)); - while (p16 < end) { + n2 = (n >> 1); + while (--n2 >= 0) { *p16 = bswap_16(*p16); p16++; } -- cgit v1.2.3