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pgedevdesc
2014 Sep 19
1
Pointer ownership with GECreateDevDesc/GEDestroyDevDesc
According to the "R Internals" document, for a custom device, I should
create a pDevDesc structure that gets passed to GECreateDevDesc.
..elided...
pDevDesc dev;
/* Allocate and initialize the device driver data */
if (!(dev = (pDevDesc) calloc(1, sizeof(DevDesc)))) return 0;
/* or error() */
/* set up device driver or free ?dev? and error() */
gdd = GEcreateDevDesc(dev);