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openSUSE:Leap:42.1
qt3
mng-reading-fix.patch
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File mng-reading-fix.patch of Package qt3
--- src/kernel/qmngio.cpp.sav 2007-02-23 14:01:19.000000000 +0100 +++ src/kernel/qmngio.cpp 2007-08-28 15:27:28.000000000 +0200 @@ -411,8 +411,11 @@ int QMNGFormat::decode( QImage& img, QIm } losttime += losingtimer.elapsed(); - if ( ndata || !length ) - mng_display_resume(handle); + bool needmore = false; + if ( ndata ) { + mng_retcode r = mng_display_resume(handle); + needmore = ( r == MNG_NEEDMOREDATA ); + } losingtimer.start(); image = 0; @@ -422,6 +425,13 @@ int QMNGFormat::decode( QImage& img, QIm // Move back unused tail memcpy(buffer,buffer+ubuffer,nbuffer); } + // "The function should return without processing all the data if it reaches the end of a frame in the input." + if( ndata && !needmore ) { + length -= ndata; + ndata = 0; + if( length == 0 ) // 0 means done, process at least one byte + length = ndata = 1; + } if ( ndata ) { // Not all used. enlargeBuffer(nbuffer+ndata);
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