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Top Forums Programming Aligning for boundary conditions Post 302440209 by axes on Monday 26th of July 2010 01:01:36 PM
Old 07-26-2010
Thanks JohnGraham and fpmurphy

Actually, both the client and server programs are running on solaris SPARC arch and I'm doing:

client side: write(fd,req_structure,sizeof(req_structure));
server side: read(fd,req_structure,sizeof(req_structure));

Do I really need to worry about the data exchange format?

Because one of my friend told me to ALIGN the structure on 1K boundary on server program. Because if the structure starts at odd address, read may fail on some systems. Could you please clarify...
axes
 

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KDIGEST(8)						    BSD System Manager's Manual 						KDIGEST(8)

NAME
kdigest -- userland tool to access digest interface in the KDC SYNOPSIS
kdigest [--ccache=string] [--version] [--help] command [arguments] DESCRIPTION
Supported options: --ccache=string credential cache --version print version --help Available commands are: digest-probe [--realm=string] [-h | --help] --realm=string Kerberos realm to communicate with digest-server-init [--type=string] [--kerberos-realm=realm] [--digest=digest-type] [--cb-type=type] [--cb-value=value] [--hostname=hostname] [--realm=string] --type=string digest type --kerberos-realm=realm --digest=digest-type digest type to use in the algorithm --cb-type=type type of channel bindings --cb-value=value value of channel bindings --hostname=hostname hostname of the server --realm=string Kerberos realm to communicate with digest-server-request [--type=string] [--kerberos-realm=realm] [--username=name] [--server-nonce=nonce] [--server-identifier=nonce] [--client-nonce=nonce] [--client-response=response] [--opaque=string] [--authentication-name=name] [--realm=realm] [--method=method] [--uri=uri] [--nounce-count=count] [--qop=qop] [--ccache=ccache] --type=string digest type --kerberos-realm=realm --username=name digest type --server-nonce=nonce --server-identifier=nonce --client-nonce=nonce --client-response=response --opaque=string --authentication-name=name --realm=realm --method=method --uri=uri --nounce-count=count --qop=qop --ccache=ccache Where the the credential cache is created when the KDC returns tickets digest-client-request [--type=string] [--username=name] [--password=password] [--server-nonce=nonce] [--server-identifier=nonce] [--client-nonce=nonce] [--opaque=string] [--realm=realm] [--method=method] [--uri=uri] [--nounce-count=count] [--qop=qop] --type=string digest type --username=name digest type --password=password --server-nonce=nonce --server-identifier=nonce --client-nonce=nonce --opaque=string --realm=realm --method=method --uri=uri --nounce-count=count --qop=qop ntlm-server-init [--version=integer] [--kerberos-realm=string] --version=integer ntlm version --kerberos-realm=string Kerberos realm to communicate with HEIMDAL
September 25, 2008 HEIMDAL
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