Date: Sun, 3 Apr 2011 22:53:33 +0200
Cppcheck reports the following.
$ cppcheck --version Cppcheck 1.47 $ cppcheck . […] Checking ./PLUGINS/src/osddemo/osddemo.c... [./PLUGINS/src/osddemo/osddemo.c:8]: (debug) Include file: "vdr/osd.h" not found. [./PLUGINS/src/osddemo/osddemo.c:9]: (debug) Include file: "vdr/plugin.h" not found. [./PLUGINS/src/osddemo/osddemo.c:270]: (error) Possible null pointer dereference: NextPixmap […]
`CreateTextPixmap` can indeed assign `NULL` to `NextPixmap` and right before in line 265 the same check is performed.
Signed-off-by: Paul Menzel paulepanter@users.sourceforge.net CC: Klaus Schmidinger Klaus.Schmidinger@tvdr.de --- PLUGINS/src/osddemo/osddemo.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/PLUGINS/src/osddemo/osddemo.c b/PLUGINS/src/osddemo/osddemo.c index 2e6a33b..d3ec718 100644 --- a/PLUGINS/src/osddemo/osddemo.c +++ b/PLUGINS/src/osddemo/osddemo.c @@ -267,7 +267,9 @@ void cTrueColorDemo::Action(void) } Start = cTimeMs::Now(); StartLine = Line; - Line += NextPixmap->DrawPort().Height(); + if (NextPixmap) { + Line += NextPixmap->DrawPort().Height(); + } } State++; }