passedByValueCallback
ftp://ftp.de.debian.org/debian/pool/main/l/lnav/lnav_0.12.4.orig.tar.xz
2.18.0 lnav-0.12.4/src/string-extension-functions.cc:628:27: performance: Function parameter 'url' should be passed by const reference. However it seems that 'sql_parse_url' is a callback function. [passedByValueCallback]
ftp://ftp.de.debian.org/debian/pool/main/n/nageru/nageru_2.3.0.orig.tar.gz
2.18.0 nageru-2.3.0/nageru/kaeru.cpp:97:88: performance:inconclusive: Function parameter 'audio_format' should be passed by const reference. However it seems that 'video_frame_callback' is a callback function. [passedByValueCallback]
ftp://ftp.de.debian.org/debian/pool/main/q/qtconnectivity-opensource-src/qtconnectivity-opensource-src_5.15.17.orig.tar.xz
head qtconnectivity-everywhere-src-5.15.17/src/bluetooth/qbluetoothlocaldevice_bluez.cpp:1282:60: performance: Function parameter 'property' should be passed by const reference. However it seems that 'PropertyChanged' is a callback function. [passedByValueCallback]
head qtconnectivity-everywhere-src-5.15.17/src/bluetooth/qbluetoothlocaldevice_bluez.cpp:907:102: performance: Function parameter 'interfaces_and_properties' should be passed by const reference. However it seems that 'InterfacesAdded' is a callback function. [passedByValueCallback]