diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2013-08-20 12:49:28 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2013-08-20 12:49:28 +0200 |
| commit | 0ff0b320a2dbb5e0b5fa245ffd9b2648d7026843 (patch) | |
| tree | 5cab931e8ad6fdaa8a6b0e3d5344f6c9d8f039f1 /coreutils | |
| parent | 1b57fe108f082167fd85a5962769a941ba871dd4 (diff) | |
| download | busybox-0ff0b320a2dbb5e0b5fa245ffd9b2648d7026843.tar.gz | |
dd: code shrink
function old new delta
dd_main 1475 1469 -6
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'coreutils')
| -rw-r--r-- | coreutils/dd.c | 7 |
1 files changed, 4 insertions, 3 deletions
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++; } |