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: }