diff options
Diffstat (limited to 'doc/src/snippets/code/src_qt3support_tools_q3garray.cpp')
| -rw-r--r-- | doc/src/snippets/code/src_qt3support_tools_q3garray.cpp | 20 |
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] |