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provide support for usage()

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This commit is contained in:
Pierangelo Masarati 2004-05-26 12:29:17 +00:00
parent 06782dac3b
commit 650ca42066
1 changed files with 27 additions and 5 deletions
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32
servers/slapd/main.c
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@ -160,12 +160,26 @@ slapd_opt_slp( const char *val, void *arg )
#endif #endif
} }
/*
* Option helper structure:
*
* oh_nam is left-hand part of <option>[=<value>]
* oh_fnc is handler function
* oh_arg is an optional arg to oh_fnc
* oh_usage is the one-line usage string related to the option,
* which is assumed to start with <option>[=<value>]
*
* please leave valid options in the structure, and optionally #ifdef
* their processing inside the helper, so that reasonable and helpful
* error messages can be generated if a disabled option is requested.
*/
struct option_helper { struct option_helper {
struct berval oh_name; struct berval oh_name;
int (*oh_fnc)(const char *val, void *arg); int (*oh_fnc)(const char *val, void *arg);
void *oh_arg; void *oh_arg;
const char *oh_usage;
} option_helpers[] = { } option_helpers[] = {
{ BER_BVC("slp"), slapd_opt_slp, NULL }, { BER_BVC("slp"), slapd_opt_slp, NULL, "slp[={on|off}] enable/disable SLP" },
{ BER_BVNULL } { BER_BVNULL }
}; };
@ -190,10 +204,18 @@ usage( char *name )
"\t-l facility\tSyslog facility (default: LOCAL4)\n" "\t-l facility\tSyslog facility (default: LOCAL4)\n"
#endif #endif
"\t-n serverName\tService name\n" "\t-n serverName\tService name\n"
"\t-o <opt>[=val]\tGeneric means to specify options; supported options:\n" "\t-o <opt>[=val] Generic means to specify options" );
#ifdef HAVE_SLP if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
"\t\t\t\tslp[={on|off}]\n" int i;
#endif
fprintf( stderr, "; supported options:\n" );
for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
}
} else {
fprintf( stderr, "\n" );
}
fprintf( stderr,
#ifdef HAVE_CHROOT #ifdef HAVE_CHROOT
"\t-r directory\tSandbox directory to chroot to\n" "\t-r directory\tSandbox directory to chroot to\n"
#endif #endif