1 files changed, 99 insertions, 0 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_io_qiodevice.cpp b/src/corelib/doc/snippets/code/src_corelib_io_qiodevice.cpp
new file mode 100644
index 0000000000..6018a21f89
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+++ b/src/corelib/doc/snippets/code/src_corelib_io_qiodevice.cpp
@@ -0,0 +1,99 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+QProcess gzip;
+gzip.start("gzip", QStringList() << "-c");
+if (!gzip.waitForStarted())
+    return false;
+
+gzip.write("uncompressed data");
+
+QByteArray compressed;
+while (gzip.waitForReadyRead())
+    compressed += gzip.readAll();
+//! [0]
+
+
+//! [1]
+qint64 CustomDevice::bytesAvailable() const
+{
+    return buffer.size() + QIODevice::bytesAvailable();
+}
+//! [1]
+
+
+//! [2]
+QFile file("box.txt");
+if (file.open(QFile::ReadOnly)) {
+    char buf[1024];
+    qint64 lineLength = file.readLine(buf, sizeof(buf));
+    if (lineLength != -1) {
+        // the line is available in buf
+    }
+}
+//! [2]
+
+
+//! [3]
+bool CustomDevice::canReadLine() const
+{
+    return buffer.contains('\n') || QIODevice::canReadLine();
+}
+//! [3]
+
+
+//! [4]
+bool isExeFile(QFile *file)
+{
+    char buf[2];
+    if (file->peek(buf, sizeof(buf)) == sizeof(buf))
+        return (buf[0] == 'M' && buf[1] == 'Z');
+    return false;
+}
+//! [4]
+
+
+//! [5]
+bool isExeFile(QFile *file)
+{
+    return file->peek(2) == "MZ";
+}
+//! [5]