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dd: code shrink

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function                                             old     new   delta
dd_main                                             1475    1469      -6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-08-20 12:49:28 +02:00
parent 1b57fe108f
commit 0ff0b320a2
1 changed files with 4 additions and 3 deletions
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7
coreutils/dd.c
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@ -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++;
}