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Annotation of 43BSDTahoe/new/X/Xlib/XGetColCells.c, revision 1.1.1.1

1.1       root        1: #include <X/mit-copyright.h>
                      2: 
                      3: /* $Header: XGetColCells.c,v 10.5 86/04/22 15:30:25 jg Rel $ */
                      4: /* Copyright    Massachusetts Institute of Technology    1985  */
                      5: 
                      6: #include "XlibInternal.h"
                      7: Status XGetColorCells (contig, ncolors, nplanes, planes, pixels)
                      8:        int contig;
                      9:        int ncolors;
                     10:        int nplanes;
                     11:        int *planes;
                     12:        register int pixels[];
                     13: {
                     14:        register Display *dpy;
                     15:        register XReq *req;
                     16:        XRep rep;
                     17: 
                     18:        GetReq (X_GetColorCells, 0);
                     19:        req->func = contig;
                     20:        req->params0 = ncolors;
                     21:        req->params1 = nplanes;
                     22:        if (!_XReply (dpy, &rep)) {
                     23:            *planes = 0;
                     24:            return (0);
                     25:            }
                     26:        *planes = rep.paramu0;
                     27:        if (!ncolors)
                     28:            return (1);
                     29: 
                     30:        /* "pixels" is an array of ints, but the protocol
                     31:         * returns an array of shorts.  Therefore data must be copied. */
                     32:        {
                     33:        register int i;
                     34:        int nbytes = ncolors*2;
                     35: #ifdef BIGSHORTS
                     36:        register ushort_p *proto_pixels = (ushort_p *) malloc (nbytes);
                     37:        _XReadPad (dpy, (char *)proto_pixels, nbytes);
                     38:        UnpackShorts(proto_pixels, (short *)pixels, nbytes);
                     39: #else
                     40:        register u_short *proto_pixels = (u_short *) malloc (nbytes);
                     41:        _XReadPad (dpy, proto_pixels, nbytes);
                     42:        for (i=0;i<ncolors;i++)
                     43:            pixels[i] = proto_pixels[i];
                     44: #endif
                     45:        free ((char *)proto_pixels);
                     46:        return (1);
                     47:        }
                     48: }
                     49: 

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