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101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/* $Xorg: LiHosts.c,v 1.4 2001/02/09 02:03:34 xorgcvs Exp $ */
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/*
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Copyright 1986, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/* This can really be considered an os dependent routine */
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#define NEED_REPLIES
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#include "Xlibint.h"
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/*
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* can be freed using XFree.
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*/
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XHostAddress *XListHosts (dpy, nhosts, enabled)
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register Display *dpy;
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int *nhosts; /* RETURN */
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Bool *enabled; /* RETURN */
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{
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register XHostAddress *outbuf = 0, *op;
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xListHostsReply reply;
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long nbytes;
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unsigned char *buf, *bp;
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register unsigned i;
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register xListHostsReq *req;
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*nhosts = 0;
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LockDisplay(dpy);
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GetReq (ListHosts, req);
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if (!_XReply (dpy, (xReply *) &reply, 0, xFalse)) {
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UnlockDisplay(dpy);
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SyncHandle();
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return (XHostAddress *) NULL;
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}
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if (reply.nHosts) {
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nbytes = reply.length << 2; /* compute number of bytes in reply */
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op = outbuf = (XHostAddress *)
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Xmalloc((unsigned) (nbytes + reply.nHosts * sizeof(XHostAddress)));
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if (! outbuf) {
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_XEatData(dpy, (unsigned long) nbytes);
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UnlockDisplay(dpy);
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SyncHandle();
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return (XHostAddress *) NULL;
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}
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bp = buf =
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((unsigned char *) outbuf) + reply.nHosts * sizeof(XHostAddress);
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_XRead (dpy, (char *) buf, nbytes);
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for (i = 0; i < reply.nHosts; i++) {
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#ifdef WORD64
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xHostEntry xhe;
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memcpy((char *)&xhe, bp, SIZEOF(xHostEntry));
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op->family = xhe.family;
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op->length = xhe.length;
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#else
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op->family = ((xHostEntry *) bp)->family;
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op->length =((xHostEntry *) bp)->length;
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#endif
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op->address = (char *) (bp + SIZEOF(xHostEntry));
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bp += SIZEOF(xHostEntry) + (((op->length + 3) >> 2) << 2);
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op++;
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}
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}
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*enabled = reply.enabled;
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*nhosts = reply.nHosts;
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UnlockDisplay(dpy);
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SyncHandle();
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return (outbuf);
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}
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