diff options
Diffstat (limited to 'libX11/src/LiHosts.c')
| -rw-r--r-- | libX11/src/LiHosts.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/libX11/src/LiHosts.c b/libX11/src/LiHosts.c new file mode 100644 index 000000000..ebfb245ff --- /dev/null +++ b/libX11/src/LiHosts.c @@ -0,0 +1,137 @@ +/* $Xorg: LiHosts.c,v 1.4 2001/02/09 02:03:34 xorgcvs Exp $ */ +/* $XdotOrg: lib/X11/src/LiHosts.c,v 1.4 2005-07-03 07:00:55 daniels Exp $ */ +/* + +Copyright 1986, 1998 The Open Group +Copyright 2004 Sun Microsystems, Inc. + +All rights reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, and/or sell copies of the Software, and to permit persons +to whom the Software is furnished to do so, provided that the above +copyright notice(s) and this permission notice appear in all copies of +the Software and that both the above copyright notice(s) and this +permission notice appear in supporting documentation. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT +OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR +HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL +INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING +FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, +NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION +WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +Except as contained in this notice, the name of a copyright holder +shall not be used in advertising or otherwise to promote the sale, use +or other dealings in this Software without prior written authorization +of the copyright holder. + +X Window System is a trademark of The Open Group. + +*/ + +/* This can really be considered an os dependent routine */ + +#define NEED_REPLIES +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" +/* + * can be freed using XFree. + */ + +XHostAddress *XListHosts ( + register Display *dpy, + int *nhosts, /* RETURN */ + Bool *enabled) /* RETURN */ +{ + register XHostAddress *outbuf = NULL, *op; + xListHostsReply reply; + long nbytes; + unsigned char *buf, *bp; + register unsigned i; + register xListHostsReq *req; + XServerInterpretedAddress *sip; + + *nhosts = 0; + LockDisplay(dpy); + GetReq (ListHosts, req); + + if (!_XReply (dpy, (xReply *) &reply, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return (XHostAddress *) NULL; + } + + if (reply.nHosts) { + nbytes = reply.length << 2; /* compute number of bytes in reply */ + + op = outbuf = (XHostAddress *) + Xmalloc((unsigned) (nbytes + + (reply.nHosts * sizeof(XHostAddress)) + + (reply.nHosts * sizeof(XServerInterpretedAddress)))); + + if (! outbuf) { + _XEatData(dpy, (unsigned long) nbytes); + UnlockDisplay(dpy); + SyncHandle(); + return (XHostAddress *) NULL; + } + sip = (XServerInterpretedAddress *) + (((unsigned char *) outbuf) + (reply.nHosts * sizeof(XHostAddress))); + bp = buf = ((unsigned char *) sip) + + (reply.nHosts * sizeof(XServerInterpretedAddress)); + + _XRead (dpy, (char *) buf, nbytes); + + for (i = 0; i < reply.nHosts; i++) { +#ifdef WORD64 + xHostEntry xhe; + memcpy((char *)&xhe, bp, SIZEOF(xHostEntry)); + op->family = xhe.family; + op->length = xhe.length; +#else + op->family = ((xHostEntry *) bp)->family; + op->length =((xHostEntry *) bp)->length; +#endif + if (op->family == FamilyServerInterpreted) { + char *tp = (char *) (bp + SIZEOF(xHostEntry)); + char *vp = memchr(tp, 0, op->length); + + if (vp != NULL) { + sip->type = tp; + sip->typelength = vp - tp; + sip->value = vp + 1; + sip->valuelength = op->length - (sip->typelength + 1); + } else { + sip->type = sip->value = NULL; + sip->typelength = sip->valuelength = 0; + } + op->address = (char *) sip; + sip++; + } else { + op->address = (char *) (bp + SIZEOF(xHostEntry)); + } + bp += SIZEOF(xHostEntry) + (((op->length + 3) >> 2) << 2); + op++; + } + } + + *enabled = reply.enabled; + *nhosts = reply.nHosts; + UnlockDisplay(dpy); + SyncHandle(); + return (outbuf); +} + + + + + |