Date: Tue, 23 Apr 2013 16:08:24 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r249811 - head/bin/dd Message-ID: <201304231608.r3NG8OQC090562@svn.freebsd.org>
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Author: kib Date: Tue Apr 23 16:08:24 2013 New Revision: 249811 URL: http://svnweb.freebsd.org/changeset/base/249811 Log: Literally follow POSIX: If the bs= expr operand is specified and no conversions other than sync, noerror, or notrunc are requested, the data returned from each input block shall be written as a separate output block. In particular, when both bs=size and conv=sparce were specified, the resulted file was fully filled, instead of sparce. PR: standards/177742 Submitted by: Matthew Rezny <mrezny@hexaneinc.com> MFC after: 2 weeks Modified: head/bin/dd/dd.c Modified: head/bin/dd/dd.c ============================================================================== --- head/bin/dd/dd.c Tue Apr 23 14:36:44 2013 (r249810) +++ head/bin/dd/dd.c Tue Apr 23 16:08:24 2013 (r249811) @@ -358,7 +358,7 @@ dd_in(void) * than noerror, notrunc or sync are specified, the block * is output without buffering as it is read. */ - if (ddflags & C_BS) { + if ((ddflags & ~(C_NOERROR | C_NOTRUNC | C_SYNC)) == C_BS) { out.dbcnt = in.dbcnt; dd_out(1); in.dbcnt = 0;
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