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/*
* $Id: options.c,v 1.7 2004/03/17 11:34:36 kalle Exp $
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <popt.h>
#include "config.h"
#include "options.h"
#include "command.h"
static options_t options;
static struct poptOption optionsTable[] = {
#ifdef DEBUG
{ "debug", 'D', 0, 0, 'D', "Enable debug output." },
#endif
{ "version", 'V', 0, 0, 'V', "Display version information." },
{ "keys", 'k', 0, 0, 'k', "Display key bindings." },
{ "exit", 'e', 0, 0, 'e', "Exit on connection errors." },
{ "port", 'p', POPT_ARG_INT, &options.port, 0,
"Connect to server on port [" DEFAULT_PORT_STR "].", "PORT" },
{ "host", 'h', POPT_ARG_STRING, &options.host, 0,
"Connect to server [" DEFAULT_HOST "].", "HOSTNAME" },
POPT_AUTOHELP
{ NULL, 0, 0, NULL, 0 }
};
static void
usage(poptContext optCon, int exitcode, char *error, char *addl)
{
poptPrintUsage(optCon, stderr, 0);
if (error)
fprintf(stderr, "%s: %s0", error, addl);
exit(exitcode);
}
options_t *
options_parse( int argc, char **argv )
{
int c;
poptContext optCon; /* context for parsing command-line options */
optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
while ((c = poptGetNextOpt(optCon)) >= 0)
{
switch (c)
{
#ifdef DEBUG
case 'D':
options.debug = 1;
break;
#endif
case 'V':
printf("Version " VERSION "\n");
exit(EXIT_SUCCESS);
case 'k':
command_dump_keys();
exit(EXIT_SUCCESS);
case 'e':
options.reconnect = 0;
break;
default:
fprintf(stderr, "%s: %s\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(c));
poptFreeContext(optCon);
exit(EXIT_FAILURE);
break;
}
}
if (c < -1)
{
/* an error occurred during option processing */
fprintf(stderr, "%s: %s\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(c));
poptFreeContext(optCon);
exit(EXIT_FAILURE);
}
poptFreeContext(optCon);
return &options;
}
void
options_init( void )
{
char *value;
memset(&options, 0, sizeof(options_t));
if( (value=getenv(MPD_HOST_ENV)) )
options.host = strdup(value);
else
options.host = strdup(DEFAULT_HOST);
if( (value=getenv(MPD_PORT_ENV)) )
options.port = atoi(value);
else
options.port = DEFAULT_PORT;
options.reconnect = 1;
}
options_t *
options_get(void)
{
return &options;
}
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