On Wed, Nov 14, 2001 at 11:28:08PM +0100, Gustaf Gunnarsson wrote:
> I suppose this leaves me to solve the problem by either hacking up the
> Xlib (if you cannot compile eg a patched XFree86 Xlib on hpux and
> replace the existing one, I am not that keen on coding when it goes
> beoynd the basics, maybe that is impossible).
On Wed, Nov 14, 2001 at 02:37:42PM -0800, Mark Vojkovich wrote:
> There might be some way to modify or wrap the libX11 binary to
> shanghai the XOpenDisplay call and replace the default colormap.
> But I'm not very good with those sort of hacker things so I
> have no idea how to do that.
On Thu, Nov 15, 2001 at 01:12:03AM +0100, Gustaf Gunnarsson wrote:
> I actually found X source code wich is supposed to build on hpux now. I
> am going to try the approach you suggested first. Thank you very much
> again.
Gustaf, assuming your application is dynamically linked, you will
probably be able to replace /usr/X11R6/lib/libX11.so.5.1 (or the
equivalent file for HP/UX) with one that implements your hacked
XOpenDisplay. I don't have any experience on HP/UX at this level, but
on Solaris it is possible to replace just a subset of functions from a
shared library using LD_PRELOAD. For example, I worked around a broken
application/system library by replacing getcwd(3) with my own function:
/* compile with:
* cc -KPIC -B dynamic -G getcwd.c -o getcwd.so.1
* then run
* LD_PRELOAD=./getcwd.so.1 netscape
*/
#include <sys/types.h>
#include <stdio.h>
#include <errno.h>
char *_getcwd(char *, size_t);
char *getcwd(char*b, size_t s)
{
char *r = _getcwd(b, s);
while(!r && errno == EINTR) {
fprintf(stderr, "getcwd was interrupted, retrying\n");
r = _getcwd(b, s);
}
return r;
}
Perhaps the man page for ld.so on HP/UX might help you find out how to
do the equivalent operation.
HTH,
-andy
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