main.c
author Mahlon E. Smith <mahlon@martini.nu>
Wed, 28 Sep 2011 09:04:16 -0700
changeset 7 e4f1a551d45c
parent 4 5701b7859a31
child 9 bdf20e6eefd7
permissions -rw-r--r--
Fine tuning for database initialization/upgrades.
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/* vim: set noet nosta sw=4 ts=4 ft=c : */
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/*
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Copyright (c) 2011, Mahlon E. Smith <mahlon@martini.nu>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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    * Redistributions of source code must retain the above copyright
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      notice, this list of conditions and the following disclaimer.
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    * Redistributions in binary form must reproduce the above copyright
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      notice, this list of conditions and the following disclaimer in the
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      documentation and/or other materials provided with the distribution.
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    * Neither the name of Mahlon E. Smith nor the names of his
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      contributors may be used to endorse or promote products derived
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      from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "volta.h"
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#include "db.h"
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struct v_globals v;
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/*
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 * Parse command line options, perform actions, and enter accept loop.
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 *
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 */
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int
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main( int argc, char *argv[] )
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{
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#ifdef DEBUG
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	/* debugmode set at compile time,
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	 * default to display everything */
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	v.debugmode = 99;
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#else
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	v.debugmode = 0;
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#endif
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	/* default database file name */
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	v.db = NULL;
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	strcpy( v.dbname, "volta.db" );
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	/* get_opt vars */
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	int opt = 0;
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	opterr  = 0;
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	/* parse options */
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	while ( (opt = getopt( argc, argv, "d:f:hv" )) != -1 ) {
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		switch ( opt ) {
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			/* database filename */
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			case 'f':
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				strncpy( v.dbname, optarg, sizeof(v.dbname) );
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				break;
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			/* debug */
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			case 'd':
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				if ( optarg[2] == '-' ) {
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					argc++; argv -= 1;
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					v.debugmode = 1;
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				}
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				sscanf( optarg, "%hu", &v.debugmode );
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				break;
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			/* help */
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			case 'h':
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				usage( argv[0] );
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				return( 0 );
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			/* version */
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			case 'v':
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				printf( "%s %s\n", PROG, VERSION );
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				return( 0 );
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			/* unknown option or option argument missing */
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			case '?':
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				switch( optopt ) {
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					case 'd': /* no debug argument, default to level 1 */
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						v.debugmode = 1;
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						break;
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					default:
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						usage( argv[0] );
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						return( 1 );
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				}
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			default:
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				break;
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		}
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	}
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	argc -= optind;
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	argv += optind;
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	/* get the initial database handle or bomb immediately. */
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	if ( db_attach() != SQLITE_OK ) exit( 1 );
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	/* enter stdin parsing loop */
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	return accept_loop();
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}
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