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Annotation of 43BSD/contrib/X/Xlib/XFetchBuffer.c, revision 1.1

1.1     ! root        1: #include <X/mit-copyright.h>
        !             2: 
        !             3: /* $Header: XFetchBuffer.c,v 10.4 86/02/01 15:33:29 tony Rel $ */
        !             4: /* Copyright    Massachusetts Institute of Technology    1985  */
        !             5: 
        !             6: #include "XlibInternal.h"
        !             7: 
        !             8: caddr_t XFetchBuffer (nbytes, buffer)
        !             9:        register int *nbytes;
        !            10:        int buffer;
        !            11: {
        !            12:        register Display *dpy;
        !            13:        register XReq *req;
        !            14:        XRep rep;
        !            15:        char *data;
        !            16: 
        !            17:        GetReq(X_FetchBytes, 0);
        !            18:        req->func = buffer;
        !            19:        if (!_XReply(dpy, &rep))
        !            20:            return(NULL);
        !            21:        if ((*nbytes = rep.param.s[0]) == 0)
        !            22:            return (NULL);  /* empty cut buffer */
        !            23:        if ((data = (char *) malloc(*nbytes)) == NULL) {
        !            24:            errno = ENOMEM;
        !            25:            _XIOError(dpy);
        !            26:            }
        !            27:        _XReadPad (dpy, data, *nbytes);
        !            28:        return(data);
        !            29: }
        !            30: 

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