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stop search of markers in Exif reader to prevent infinite loop

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This commit is contained in:
Ilya Lavrenov 2016-07-12 16:01:12 +03:00
parent 02aabcca87
commit 91d8405e52
1 changed files with 3 additions and 2 deletions
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5
modules/imgcodecs/src/jpeg_exif.cpp
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@ -140,8 +140,8 @@ std::map<int, ExifEntry_t > ExifReader::getExif()
return m_exif; //Until this moment the map is empty
}
bool exifFound = false;
while( ( !feof( f ) ) && !exifFound )
bool exifFound = false, stopSearch = false;
while( ( !feof( f ) ) && !exifFound && !stopSearch )
{
count = fread( appMarker, sizeof(unsigned char), markerSize, f );
if( count < markerSize )
@ -180,6 +180,7 @@ std::map<int, ExifEntry_t > ExifReader::getExif()
break;
default: //No other markers are expected according to standard. May be a signal of error
stopSearch = true;
break;
}
}