diff options
Diffstat (limited to 'unionfs/options.c')
| -rw-r--r-- | unionfs/options.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/unionfs/options.c b/unionfs/options.c deleted file mode 100644 index ef29a020..00000000 --- a/unionfs/options.c +++ /dev/null @@ -1,225 +0,0 @@ -/* Hurd unionfs - Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. - Written by Moritz Schulte <moritz@duesseldorf.ccc.de>. - - 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 * (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. - - 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. */ - -/* Argument parsing. */ - -#define _GNU_SOURCE - -#include <argp.h> -#include <error.h> - -#include "options.h" -#include "ulfs.h" -#include "ncache.h" -#include "unionfs.h" -#include "node.h" -#include "version.h" -#include "pattern.h" -#include "stow.h" -#include "update.h" - -/* This variable is set to a non-zero value after parsing of the - startup options. Whenever the argument parser is later called to - modify the underlying filesystems of the root node, the root node - is initialized accordingly directly by the parser. */ -static int parsing_startup_options_finished; - -/* Argp options common to the runtime and startup parser. */ -static const struct argp_option argp_common_options[] = - { - { OPT_LONG_UNDERLYING, OPT_UNDERLYING, 0, 0, - "add the underlying node to the unionfs" }, - { OPT_LONG_WRITABLE, OPT_WRITABLE, 0, 0, - "specify the following filesystem as writable" }, - { OPT_LONG_DEBUG, OPT_DEBUG, 0, OPTION_HIDDEN, - "send debugging messages to stderr" }, - { OPT_LONG_CACHE_SIZE, OPT_CACHE_SIZE, "SIZE", 0, - "specify the maximum number of nodes in the cache" }, - { 0, 0, 0, 0, "Runtime options:", 1 }, - { OPT_LONG_STOW, OPT_STOW, "STOWDIR", 0, - "stow given directory", 1}, - { OPT_LONG_PRIORITY, OPT_PRIORITY, "VALUE", 0, - "Set the priority for the following filesystem to VALUE", 1}, - { OPT_LONG_PATTERN, OPT_PATTERN, "PATTERN", 0, - "add only nodes of the underlying filesystem matching pattern", 1}, - { OPT_LONG_REMOVE, OPT_REMOVE, 0, 0, - "remove the following filesystem", 1 }, - { OPT_LONG_ADD, OPT_ADD, 0, 0, - "add the following filesystem (Default)", 1 }, - { 0 } - }; - -/* Argp options only meaningful for startup parsing. */ -static const struct argp_option argp_startup_options[] = - { - { 0 } - }; - -/* Argp parser function for the common options. */ -static error_t -argp_parse_common_options (int key, char *arg, struct argp_state *state) -{ - static int ulfs_flags = 0, ulfs_mode = 0, ulfs_modified = 0, - ulfs_match = 0, ulfs_priority = 0; - static struct patternlist ulfs_patternlist = - { - .lock = MUTEX_INITIALIZER, - .head = NULL - }; - error_t err = 0; - - switch (key) - { - case OPT_WRITABLE: /* --writable */ - ulfs_flags |= FLAG_ULFS_WRITABLE; - break; - - case OPT_PRIORITY: /* --priority */ - ulfs_priority = strtol (arg, NULL, 10); - break; - - case OPT_DEBUG: /* --debug */ - unionfs_flags |= FLAG_UNIONFS_MODE_DEBUG; - break; - - case OPT_CACHE_SIZE: /* --cache-size */ - ncache_size = strtol (arg, NULL, 10); - break; - - case OPT_ADD: /* --add */ - ulfs_mode = ULFS_MODE_ADD; - break; - - case OPT_REMOVE: /* --remove */ - ulfs_mode = ULFS_MODE_REMOVE; - break; - - case OPT_PATTERN: /* --match */ - ulfs_match = 1; - patternlist_add (&ulfs_patternlist, arg); - break; - - case OPT_STOW: /* --stow */ - err = stow_diradd (arg, ulfs_flags, &ulfs_patternlist, ulfs_priority); - if (err) - error (EXIT_FAILURE, err, "stow_diradd"); - ulfs_modified = 1; - ulfs_flags = ulfs_mode = ulfs_priority = 0; - ulfs_match = 0; - break; - - case OPT_UNDERLYING: /* --underlying */ - case ARGP_KEY_ARG: - - if (ulfs_mode == ULFS_MODE_REMOVE) - { - err = ulfs_unregister (arg); - if (err == ENOENT) - /* It is not a fatal error, when the user tries to remove - a filesystem, which is not used by unionfs. */ - err = 0; - } - else - err = ulfs_register (arg, ulfs_flags, ulfs_priority); - if (err) - error (EXIT_FAILURE, err, "ulfs_register"); - ulfs_modified = 1; - ulfs_flags = ulfs_mode = ulfs_priority = 0; - ulfs_match = 0; - break; - - case ARGP_KEY_END: - ulfs_flags = ulfs_mode = 0; - if (ulfs_modified && parsing_startup_options_finished) - { - root_update_schedule (); - } - else - { - ncache_reset (); - } - ulfs_modified = 0; - - if (! parsing_startup_options_finished) - parsing_startup_options_finished = 1; - break; - - default: - err = ARGP_ERR_UNKNOWN; - break; - } - - return err; -} - -/* Argp parser function for the startup oprtions. */ -static error_t -argp_parse_startup_options (int key, char *arg, struct argp_state *state) -{ - error_t err = 0; - - switch (key) - { - default: - err = ARGP_ERR_UNKNOWN; - break; - } - - return err; -} - -/* Argp parser for only the common options. */ -static const struct argp argp_parser_common_options = - { argp_common_options, argp_parse_common_options, 0, 0, 0 }; - -/* Argp parser for only the startup options. */ -static struct argp argp_parser_startup_options = - { argp_startup_options, argp_parse_startup_options, 0, 0, 0 }; - -/* The children parser for runtime arguments. */ -static const struct argp_child argp_children_runtime[] = - { - { &argp_parser_common_options }, - { &netfs_std_runtime_argp }, - { 0 } - }; - -/* The children parser for startup arguments. */ -const struct argp_child argp_children_startup[] = - { - { &argp_parser_startup_options }, - { &argp_parser_common_options }, - { &netfs_std_startup_argp }, - { 0 } - }; - -const char *argp_program_version = STANDARD_HURD_VERSION (unionfs); -const char *argp_program_bug_address = -"Gianluca Guida <glguida@gmail.com>"; - -#define ARGS_DOC "FILESYSTEMS ..." -#define DOC "Hurd unionfs server" - -/* The final argp parser for runtime arguments. */ -struct argp argp_runtime = - { 0, 0, 0, 0, argp_children_runtime }; - -/* The final argp parser for startup arguments. */ -struct argp argp_startup = - { 0, 0, ARGS_DOC, DOC, argp_children_startup }; |