From kde-commits  Wed Sep 21 04:11:31 2016
From: Leslie Zhai <xiangzhai83 () gmail ! com>
Date: Wed, 21 Sep 2016 04:11:31 +0000
To: kde-commits
Subject: [k3b/multisession] libk3b/projects: Inquire the ISO filesystem size
Message-Id: <E1bmYsd-0007G9-Lk () code ! kde ! org>
X-MARC-Message: https://marc.info/?l=kde-commits&m=147443110215024

Git commit b22f60344db146aa6b5136373b0a0b270d5d8ee9 by Leslie Zhai.
Committed on 21/09/2016 at 04:09.
Pushed by lesliezhai into branch 'multisession'.

Inquire the ISO filesystem size

Hi Thomas, please review it ;-)

CCBUG: 367639
CCMAIL: scdbackup@gmx.net

M  +16   -3    libk3b/projects/k3bgrowisofswriter.cpp

http://commits.kde.org/k3b/b22f60344db146aa6b5136373b0a0b270d5d8ee9

diff --git a/libk3b/projects/k3bgrowisofswriter.cpp b/libk3b/projects/k3bgr=
owisofswriter.cpp
index f03ef80..20f675f 100644
--- a/libk3b/projects/k3bgrowisofswriter.cpp
+++ b/libk3b/projects/k3bgrowisofswriter.cpp
@@ -198,13 +198,26 @@ bool K3b::GrowisofsWriter::prepareProcess()
         s +=3D d->image;
 =

     // TODO: KDEBUG-367639
-    // wrong alleged_next_session for growisofs!
     if( d->multiSession && !d->multiSessionInfo.isEmpty() ) {
         QStringList ms =3D d->multiSessionInfo.split(',');
         if (ms.size() =3D=3D 2) {
             if (ms[0] =3D=3D 0 || ms[1] =3D=3D "0") {
-                qDebug() << "you don't have to specify -C option, growisof=
s will construct one for you!";
-                d->process << "-use-the-force-luke=3Dspare=3Dnone";
+                FILE* fptr =3D NULL;
+                if (d->image.isEmpty())
+                    fptr =3D fopen("/dev/fd/0", "r");
+                else
+                    fptr =3D fopen(d->image.toStdString().c_str(), "r");
+                if (fptr) {
+                    if (fseek(fptr, 32 * 1024 + 80, SEEK_SET) =3D=3D 0) {
+                        char buf[4] =3D { '\0' };
+                        fread(buf, 1, sizeof(buf), fptr);
+                        d->process << "-C 0," << buf;
+                    } else {
+                        qWarning() << strerror(errno);
+                    }
+                    fclose(fptr);
+                    fptr =3D NULL;
+                }
             } else {
                 d->process << "-C" << d->multiSessionInfo;
             }