/*****************************************************************************
* cmdline.c: command line parsing
*****************************************************************************
- * Copyright (C) 2001-2007 the VideoLAN team
+ * Copyright (C) 2001-2007 VLC authors and VideoLAN
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
#include "../libvlc.h"
#include <vlc_keys.h>
#include <vlc_charset.h>
+#include <vlc_modules.h>
#include "vlc_getopt.h"
* options used (ie. exported) by each module.
*
* @param p_this object to write command line options as variables to
- * @param pi_argc number of command line arguments [IN/OUT]
+ * @param i_argc number of command line arguments
* @param ppsz_args commandl ine arguments [IN/OUT]
- * @param b_ignore_errors whether to ignore parsing errors
+ * @param pindex NULL to ignore unknown options,
+ * otherwise index of the first non-option argument [OUT]
* @return 0 on success, -1 on error.
- *
- * @warning This function is not re-entrant (because of getopt_long()).
- * It must be called with the module bank initialization global lock held.
- * FIXME: this still breaks if getopt() is used outside of LibVLC.
*/
-int config_LoadCmdLine( vlc_object_t *p_this, int *pi_argc,
- const char *ppsz_argv[], bool b_ignore_errors )
+int config_LoadCmdLine( vlc_object_t *p_this, int i_argc,
+ const char *ppsz_argv[], int *pindex )
{
int i_cmd, i_index, i_opts, i_shortopts, flag, i_verbose = 0;
module_t *p_parser;
- struct option *p_longopts;
+ struct vlc_option *p_longopts;
const char **argv_copy = NULL;
+#define b_ignore_errors (pindex == NULL)
/* Short options */
module_config_t *pp_shortopts[256];
* dealing with boolean to allow for --foo and --no-foo */
i_opts += p_parser->i_config_items + 2 * p_parser->i_bool_items;
- p_longopts = malloc( sizeof(struct option) * (i_opts + 1) );
+ p_longopts = malloc( sizeof(*p_longopts) * (i_opts + 1) );
if( p_longopts == NULL )
{
module_list_free (list);
return -1;
}
- psz_shortopts = malloc( sizeof( char ) * (2 * i_opts + 1) );
+ psz_shortopts = malloc( 2 * i_opts + 1 );
if( psz_shortopts == NULL )
{
free( p_longopts );
* us, ignoring the arity of the options */
if( b_ignore_errors )
{
- argv_copy = (const char**)malloc( *pi_argc * sizeof(char *) );
+ argv_copy = (const char**)malloc( i_argc * sizeof(char *) );
if( argv_copy == NULL )
{
free( psz_shortopts );
module_list_free (list);
return -1;
}
- memcpy( argv_copy, ppsz_argv, *pi_argc * sizeof(char *) );
+ memcpy( argv_copy, ppsz_argv, i_argc * sizeof(char *) );
ppsz_argv = argv_copy;
}
p_item++ )
{
/* Ignore hints */
- if( p_item->i_type & CONFIG_HINT )
+ if( !CONFIG_ITEM(p_item->i_type) )
continue;
/* Add item to long options */
p_longopts[i_index].name = strdup( p_item->psz_name );
if( p_longopts[i_index].name == NULL ) continue;
- p_longopts[i_index].has_arg =
- (p_item->i_type == CONFIG_ITEM_BOOL) ? no_argument :
- required_argument;
p_longopts[i_index].flag = &flag;
p_longopts[i_index].val = 0;
- i_index++;
- /* When dealing with bools we also need to add the --no-foo
- * option */
- if( p_item->i_type == CONFIG_ITEM_BOOL )
+ if( CONFIG_CLASS(p_item->i_type) != CONFIG_ITEM_BOOL )
+ p_longopts[i_index].has_arg = true;
+ else
+ /* Booleans also need --no-foo and --nofoo options */
{
- char *psz_name = malloc( strlen(p_item->psz_name) + 3 );
- if( psz_name == NULL ) continue;
- strcpy( psz_name, "no" );
- strcat( psz_name, p_item->psz_name );
+ char *psz_name;
+
+ p_longopts[i_index].has_arg = false;
+ i_index++;
+ if( asprintf( &psz_name, "no%s", p_item->psz_name ) == -1 )
+ continue;
p_longopts[i_index].name = psz_name;
- p_longopts[i_index].has_arg = no_argument;
+ p_longopts[i_index].has_arg = false;
p_longopts[i_index].flag = &flag;
p_longopts[i_index].val = 1;
i_index++;
- psz_name = malloc( strlen(p_item->psz_name) + 4 );
- if( psz_name == NULL ) continue;
- strcpy( psz_name, "no-" );
- strcat( psz_name, p_item->psz_name );
-
+ if( asprintf( &psz_name, "no-%s", p_item->psz_name ) == -1 )
+ continue;
p_longopts[i_index].name = psz_name;
- p_longopts[i_index].has_arg = no_argument;
+ p_longopts[i_index].has_arg = false;
p_longopts[i_index].flag = &flag;
p_longopts[i_index].val = 1;
- i_index++;
}
+ i_index++;
/* If item also has a short option, add it */
if( p_item->i_short )
pp_shortopts[(int)p_item->i_short] = p_item;
psz_shortopts[i_shortopts] = p_item->i_short;
i_shortopts++;
- if( p_item->i_type != CONFIG_ITEM_BOOL )
+ if( p_item->i_type != CONFIG_ITEM_BOOL
+ && p_item->i_short != 'v' )
{
psz_shortopts[i_shortopts] = ':';
i_shortopts++;
-
- if( p_item->i_short == 'v' )
- {
- psz_shortopts[i_shortopts] = ':';
- i_shortopts++;
- }
}
}
}
module_list_free( list );
/* Close the longopts and shortopts structures */
- memset( &p_longopts[i_index], 0, sizeof(struct option) );
+ memset( &p_longopts[i_index], 0, sizeof(*p_longopts) );
psz_shortopts[i_shortopts] = '\0';
+ int ret = -1;
+
/*
* Parse the command line options
*/
- optind = 0; /* set to 0 to tell GNU getopt to reinitialize */
- while( ( i_cmd = vlc_getopt_long( *pi_argc, (char **)ppsz_argv, psz_shortopts,
- p_longopts, &i_index ) ) != -1 )
+ vlc_getopt_t state;
+ state.ind = 0 ; /* set to 0 to tell GNU getopt to reinitialize */
+ while( ( i_cmd = vlc_getopt_long( i_argc, (char **)ppsz_argv,
+ psz_shortopts,
+ p_longopts, &i_index, &state ) ) != -1 )
{
/* A long option has been recognized */
if( i_cmd == 0 )
continue;
}
- if( p_conf->psz_oldname
- && !strcmp( p_conf->psz_oldname, psz_name) )
- {
- fprintf( stderr,
- "%s: option --%s is deprecated. Use --%s instead.\n",
- b_ignore_errors ? "Warning" : "Error",
- psz_name, p_conf->psz_name );
- if( !b_ignore_errors )
- {
- /*free */
- for( i_index = 0; p_longopts[i_index].name; i_index++ )
- free( (char *)p_longopts[i_index].name );
-
- free( p_longopts );
- free( psz_shortopts );
- return -1;
- }
-
- psz_name = p_conf->psz_name;
- }
-
- switch( p_conf->i_type )
+ switch( CONFIG_CLASS(p_conf->i_type) )
{
case CONFIG_ITEM_STRING:
- case CONFIG_ITEM_PASSWORD:
- case CONFIG_ITEM_FILE:
- case CONFIG_ITEM_DIRECTORY:
- case CONFIG_ITEM_MODULE:
- case CONFIG_ITEM_MODULE_LIST:
- case CONFIG_ITEM_MODULE_LIST_CAT:
- case CONFIG_ITEM_MODULE_CAT:
var_Create( p_this, psz_name, VLC_VAR_STRING );
- var_SetString( p_this, psz_name, optarg );
+ var_SetString( p_this, psz_name, state.arg );
break;
case CONFIG_ITEM_INTEGER:
var_Create( p_this, psz_name, VLC_VAR_INTEGER );
var_SetInteger( p_this, psz_name,
- strtol(optarg, NULL, 0));
+ strtoll(state.arg, NULL, 0));
break;
case CONFIG_ITEM_FLOAT:
var_Create( p_this, psz_name, VLC_VAR_FLOAT );
- var_SetFloat( p_this, psz_name, us_atof(optarg) );
- break;
- case CONFIG_ITEM_KEY:
- var_Create( p_this, psz_name, VLC_VAR_INTEGER );
- var_SetInteger( p_this, psz_name,
- ConfigStringToKey( optarg ) );
+ var_SetFloat( p_this, psz_name, us_atof(state.arg) );
break;
case CONFIG_ITEM_BOOL:
var_Create( p_this, psz_name, VLC_VAR_BOOL );
if( pp_shortopts[i_cmd] != NULL )
{
const char *name = pp_shortopts[i_cmd]->psz_name;
- switch( pp_shortopts[i_cmd]->i_type )
+ switch( CONFIG_CLASS(pp_shortopts[i_cmd]->i_type) )
{
case CONFIG_ITEM_STRING:
- case CONFIG_ITEM_PASSWORD:
- case CONFIG_ITEM_FILE:
- case CONFIG_ITEM_DIRECTORY:
- case CONFIG_ITEM_MODULE:
- case CONFIG_ITEM_MODULE_CAT:
- case CONFIG_ITEM_MODULE_LIST:
- case CONFIG_ITEM_MODULE_LIST_CAT:
var_Create( p_this, name, VLC_VAR_STRING );
- var_SetString( p_this, name, optarg );
+ var_SetString( p_this, name, state.arg );
break;
case CONFIG_ITEM_INTEGER:
var_Create( p_this, name, VLC_VAR_INTEGER );
if( i_cmd == 'v' )
{
- if( optarg )
- {
- if( *optarg == 'v' ) /* eg. -vvv */
- {
- i_verbose++;
- while( *optarg == 'v' )
- {
- i_verbose++;
- optarg++;
- }
- }
- else
- {
- i_verbose += atoi( optarg ); /* eg. -v2 */
- }
- }
- else
- {
- i_verbose++; /* -v */
- }
+ i_verbose++; /* -v */
var_SetInteger( p_this, name, i_verbose );
}
else
{
var_SetInteger( p_this, name,
- strtol(optarg, NULL, 0) );
+ strtoll(state.arg, NULL, 0) );
}
break;
case CONFIG_ITEM_BOOL:
{
fputs( "vlc: unknown option"
" or missing mandatory argument ", stderr );
- if( optopt )
+ if( state.opt )
{
- fprintf( stderr, "`-%c'\n", optopt );
+ fprintf( stderr, "`-%c'\n", state.opt );
}
else
{
- fprintf( stderr, "`%s'\n", ppsz_argv[optind-1] );
+ fprintf( stderr, "`%s'\n", ppsz_argv[state.ind-1] );
}
fputs( "Try `vlc --help' for more information.\n", stderr );
-
- for( i_index = 0; p_longopts[i_index].name; i_index++ )
- free( (char *)p_longopts[i_index].name );
- free( p_longopts );
- free( psz_shortopts );
- return -1;
+ goto out;
}
}
+ ret = 0;
+ if( pindex != NULL )
+ *pindex = state.ind;
+out:
/* Free allocated resources */
for( i_index = 0; p_longopts[i_index].name; i_index++ )
free( (char *)p_longopts[i_index].name );
free( p_longopts );
free( psz_shortopts );
free( argv_copy );
-
- return 0;
+ return ret;
}