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--- src/kernel/qmngio.cpp.sav 2007-02-23 14:01:19.000000000 +0100
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+++ src/kernel/qmngio.cpp 2007-08-28 15:27:28.000000000 +0200
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@@ -414,8 +414,11 @@ int QMNGFormat::decode( QImage& img, QIm
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}
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losttime += losingtimer.elapsed();
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- if ( ndata || !length )
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- mng_display_resume(handle);
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+ bool needmore = false;
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+ if ( ndata ) {
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+ mng_retcode r = mng_display_resume(handle);
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+ needmore = ( r == MNG_NEEDMOREDATA );
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+ }
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losingtimer.start();
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image = 0;
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@@ -425,6 +428,13 @@ int QMNGFormat::decode( QImage& img, QIm
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// Move back unused tail
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memcpy(buffer,buffer+ubuffer,nbuffer);
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}
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+ // "The function should return without processing all the data if it reaches the end of a frame in the input."
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+ if( ndata && !needmore ) {
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+ length -= ndata;
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+ ndata = 0;
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+ if( length == 0 ) // 0 means done, process at least one byte
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+ length = ndata = 1;
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+ }
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if ( ndata ) {
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// Not all used.
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enlargeBuffer(nbuffer+ndata);
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