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Imgcodecs: Fixed a bug with checkSignature in GdalDecoder

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In cases where the signaure string contains a terminating character,
the std::string member function size returns a smaller value than the
allocated string. In these cases, if you then try to use substr,
you will get an out_of_range exception. This patch remedies the problem.
This commit is contained in:
Dimitrios Katsaros 2016-08-14 22:17:55 +02:00
parent 6172803012
commit 4e513a3346
1 changed files with 1 additions and 1 deletions
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modules/imgcodecs/src/grfmt_gdal.cpp
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@ -559,7 +559,7 @@ bool GdalDecoder::checkSignature( const String& signature )const{
// look for NITF // look for NITF
std::string str = signature.c_str(); std::string str(signature);
if( str.substr(0,4).find("NITF") != std::string::npos ){ if( str.substr(0,4).find("NITF") != std::string::npos ){
return true; return true;
} }