iokit/Kernel/IOHibernateIO.cpp

875 	vars->bufferLimit = vars->bufferSize;
877 	vars->bufferLimit = vars->extentRemaining;
904 	copy = vars->bufferLimit - vars->bufferOffset;
995 		vars->bufferLimit = vars->bufferSize;
997 		vars->bufferLimit = vars->extentRemaining;
1019 	copy = vars->bufferLimit - vars->bufferOffset;
1032 	if ((vars->bufferOffset == vars->bufferLimit) && (vars->position < vars->readEnd))
1047 	    vars->bufferLimit      = vars->lastRead;
2800     vars->fileVars->bufferLimit  = 0;
2803     vars->fileVars->bufferOffset = vars->fileVars->bufferLimit;
2808     vars->fileVars->bufferOffset = vars->fileVars->bufferLimit;