summaryrefslogtreecommitdiffstats
path: root/doc/src/snippets/code/src_qt3support_tools_q3garray.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/code/src_qt3support_tools_q3garray.cpp
downloadQt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2
Long live Qt 4.5!
Diffstat (limited to 'doc/src/snippets/code/src_qt3support_tools_q3garray.cpp')
-rw-r--r--doc/src/snippets/code/src_qt3support_tools_q3garray.cpp20
1 files changed, 20 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_qt3support_tools_q3garray.cpp b/doc/src/snippets/code/src_qt3support_tools_q3garray.cpp
new file mode 100644
index 0000000..7108262
--- /dev/null
+++ b/doc/src/snippets/code/src_qt3support_tools_q3garray.cpp
@@ -0,0 +1,20 @@
+//! [0]
+static uchar bindata[] = { 231, 1, 44, ... };
+QByteArray a;
+a.setRawData(bindata, sizeof(bindata)); // a points to bindata
+QDataStream s(a, IO_ReadOnly); // open on a's data
+s >> <something>; // read raw bindata
+s.close();
+a.resetRawData(bindata, sizeof(bindata)); // finished
+//! [0]
+
+
+//! [1]
+static uchar bindata[] = { 231, 1, 44, ... };
+QByteArray a, b;
+a.setRawData(bindata, sizeof(bindata)); // a points to bindata
+a.resize(8); // will crash
+b = a; // will crash
+a[2] = 123; // might crash
+ // forget to resetRawData - will crash
+//! [1]