diff options
author | Marc Mutz <marc.mutz@qt.io> | 2022-07-18 09:28:20 +0200 |
---|---|---|
committer | Marc Mutz <marc.mutz@qt.io> | 2022-08-04 03:35:36 +0200 |
commit | 011b68d3cd95295890b1ed724aa4331ff5680eed (patch) | |
tree | a2c7cccf195ef53bdb91f70d7f29b41b8e7998cf /src | |
parent | 046a5a8f4f49944e6bf94cded52f88535d16bb3f (diff) |
QByteDataBuffer: assert an undocumented precondition
The alternative would be to return a null QByteArray, but the current
implementation makes calling read() on an empty QByteDataBuffer UB, so
this is behavior-preserving, just with a bit nicer error message.
Pick-to: 6.4 6.3 6.2
Change-Id: Ia9db7acbfa47e601b466d6cc6a728859065c27b5
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
Diffstat (limited to 'src')
-rw-r--r-- | src/corelib/text/qbytedata_p.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/corelib/text/qbytedata_p.h b/src/corelib/text/qbytedata_p.h index 819dd46315..2f4197d775 100644 --- a/src/corelib/text/qbytedata_p.h +++ b/src/corelib/text/qbytedata_p.h @@ -105,6 +105,7 @@ public: // preferably use this function to read data. inline QByteArray read() { + Q_ASSERT(!isEmpty()); squeezeFirst(); bufferCompleteSize -= buffers.first().size(); return buffers.takeFirst(); |