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Use the correct value in the call to swab(3) with conv=swab. Previously,

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dd if=/dev/zero of=/dev=null obs=23520 conv=swab
coredumped.

Please somebody review it, i'm not 105 % sure i'm understanding all
this mess correctly.

Detected by:	Holm Tiffe <holm@geophysik.tu-freiberg.de>
This commit is contained in:
Joerg Wunsch 1998-01-07 22:31:19 +00:00
parent 9cf25fbec7
commit a28ea077f9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=32324
2 changed files with 4 additions and 3 deletions
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3
bin/dd/Makefile
View File

@ -1,7 +1,8 @@
# @(#)Makefile 8.1 (Berkeley) 5/31/93 # @(#)Makefile 8.1 (Berkeley) 5/31/93
# $Id$ # $Id: Makefile,v 1.4 1997/02/22 14:02:39 peter Exp $
PROG= dd PROG= dd
SRCS= args.c conv.c conv_tab.c dd.c misc.c position.c SRCS= args.c conv.c conv_tab.c dd.c misc.c position.c
CFLAGS+=-g
.include <bsd.prog.mk> .include <bsd.prog.mk>

4
bin/dd/dd.c
View File

@ -34,7 +34,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: dd.c,v 1.11 1997/08/19 19:46:18 jlemon Exp $ * $Id: dd.c,v 1.12 1997/10/11 20:09:05 joerg Exp $
*/ */
#ifndef lint #ifndef lint
@ -316,7 +316,7 @@ dd_in()
} }
if (ddflags & C_SWAB) { if (ddflags & C_SWAB) {
if ((n = in.dbcnt) & 1) { if ((n = in.dbrcnt) & 1) {
++st.swab; ++st.swab;
--n; --n;
} }