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Diffstat (limited to 'src/corelib/global/qlogging.cpp')
-rw-r--r-- | src/corelib/global/qlogging.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/corelib/global/qlogging.cpp b/src/corelib/global/qlogging.cpp index 0861763492..2bacdbb77c 100644 --- a/src/corelib/global/qlogging.cpp +++ b/src/corelib/global/qlogging.cpp @@ -1886,6 +1886,10 @@ void qErrnoWarning(int code, const char *msg, ...) environment variable; if both \l qSetMessagePattern() is called and QT_MESSAGE_PATTERN is set, the environment variable takes precedence. + \note The message pattern only applies to unstructured logging, such as the default + \c stderr output. Structured logging such as systemd will record the message as is, + along with as much structured information as can be captured. + Custom message handlers can use qFormatLogMessage() to take \a pattern into account. \sa qInstallMessageHandler(), {Debugging Techniques}, {QLoggingCategory} |