Commit d1c5e79e authored by Suleyman TURKMEN's avatar Suleyman TURKMEN Committed by GitHub

Update grfmt_gdal.cpp

parent cca99bf8
......@@ -562,7 +562,6 @@ ImageDecoder GdalDecoder::newDecoder()const{
*/
bool GdalDecoder::checkSignature( const String& signature )const{
// look for NITF
std::string str(signature);
if( str.substr(0,4).find("NITF") != std::string::npos ){
......@@ -570,7 +569,7 @@ bool GdalDecoder::checkSignature( const String& signature )const{
}
// look for DTED
if( str.substr(140,4) == "DTED" ){
if( str.size() > 144 && str.substr(140,4) == "DTED" ){
return true;
}
......
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