https://bugs.kde.org/show_bug.cgi?id=394565
Bug ID: 394565
Summary: In Vt102Emulation snprintf truncation warnings while
compiling
Product: konsole
Version: master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Possibly related to this change[1]; I got this compiling current git master:
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.cpp:
In member function 'void Konsole::Vt102Emulation::reportCursorPosition()':
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.cpp:955:30:
warning: '%d' directive output may be truncated writing between 1 and 11 bytes
into a region of size between 6 and 16 [-Wformat-truncation=]
snprintf(tmp, sizeof(tmp), "\033[%d;%dR", _currentScreen->getCursorY()+1,
_currentScreen->getCursorX()+1);
^~~~~~~~~~~~~
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.cpp:955:30:
note: directive argument in the range [-2147483647, 2147483647]
In file included from /usr/include/stdio.h:862,
from /usr/include/c++/8/cstdio:42,
from /usr/include/c++/8/ext/string_conversions.h:43,
from /usr/include/c++/8/bits/basic_string.h:6361,
from /usr/include/c++/8/string:52,
from /usr/include/qt5/QtCore/qbytearray.h:52,
from /usr/include/qt5/QtCore/qstring.h:49,
from /usr/include/qt5/QtCore/qhashfunctions.h:44,
from /usr/include/qt5/QtCore/qlist.h:47,
from /usr/include/qt5/QtCore/qhash.h:46,
from /usr/include/qt5/QtCore/QHash:1,
from
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.h:27,
from
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.cpp:24:
/usr/include/bits/stdio2.h:64:35: note: '__builtin___snprintf_chk' output
between 7 and 27 bytes into a destination of size 20
return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.cpp:
In member function 'virtual void Konsole::Vt102Emulation::sendMouseEvent(int,
int, int, int)':
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.cpp:1057:44:
warning: '%d' directive output may be truncated writing between 1 and 10 bytes
into a region of size between 7 and 26 [-Wformat-truncation=]
snprintf(command, sizeof(command), "\033[%d;%d;%dM", cb + 0x20, cx,
cy);
^~~~~~~~~~~~~~~~
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.cpp:1057:44:
note: directive argument in the range [1, 2147483647]
In file included from /usr/include/stdio.h:862,
from /usr/include/c++/8/cstdio:42,
from /usr/include/c++/8/ext/string_conversions.h:43,
from /usr/include/c++/8/bits/basic_string.h:6361,
from /usr/include/c++/8/string:52,
from /usr/include/qt5/QtCore/qbytearray.h:52,
from /usr/include/qt5/QtCore/qstring.h:49,
from /usr/include/qt5/QtCore/qhashfunctions.h:44,
from /usr/include/qt5/QtCore/qlist.h:47,
from /usr/include/qt5/QtCore/qhash.h:46,
from /usr/include/qt5/QtCore/QHash:1,
from
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.h:27,
from
/home/builder/rpmbuild/konsole5/konsole5-f27/BUILD/konsole-18.07.70/src/Vt102Emulation.cpp:24:
/usr/include/bits/stdio2.h:64:35: note: '__builtin___snprintf_chk' output
between 9 and 37 bytes into a destination of size 32
return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[1]
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