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| author | Rainer Keller <rainer.keller@theqtcompany.com> | 2015-02-25 11:05:29 +0100 |
|---|---|---|
| committer | Rainer Keller <rainer.keller@theqtcompany.com> | 2015-03-12 12:45:01 +0000 |
| commit | 8c9d6a334c695aea2ea6492466bb5b0e6f26c17d (patch) | |
| tree | 454bfadcd672d14ca4c7c7d559d12a3e717b4696 /src/corelib/global/qglobal.cpp | |
| parent | 9dd0bb851b34fcfea5e9be106d8f4209d59d5bf5 (diff) | |
Doc: Change Q_CHECK_PTR documentation to match implementation
Task-number: QTBUG-9134
Change-Id: I417be34f5682fa23b7b76131f5713b0917dfae6d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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 7913af3103..abd9f4f593 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: |