diff options
Diffstat (limited to 'src/corelib/global/qglobal.cpp')
| -rw-r--r-- | src/corelib/global/qglobal.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp index ac2f72d573..3006c75794 100644 --- a/src/corelib/global/qglobal.cpp +++ b/src/corelib/global/qglobal.cpp @@ -2813,12 +2813,15 @@ QString QSysInfo::prettyProductName() \macro void Q_CHECK_PTR(void *pointer) \relates <QtGlobal> - If \a pointer is 0, prints a warning message containing the source + If \a pointer is 0, prints a message containing the source code's file name and line number, saying that the program ran out - of memory. + of memory and aborts program execution. It throws \c std::bad_alloc instead + if exceptions are enabled. - Q_CHECK_PTR does nothing if \c QT_NO_DEBUG was defined during - compilation. + Q_CHECK_PTR does nothing if \c QT_NO_DEBUG and \c QT_NO_EXCEPTIONS were + defined during compilation. Therefore you must not use Q_CHECK_PTR to check + for successful memory allocations because the check will be disabled in + some cases. Example: |