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authoratsb <atsb@atsb>2020-04-22 20:31:34 +0200
committeratsb <atsb@atsb>2020-04-22 20:31:34 +0200
commit6360e88416763db759a8df2afab0b7ab0dfcb36e (patch)
tree9008b15f214aaa993f67fa4cd92f099b1bdc4a45 /src/mcron.c
parentf22de155b8e75918c9030897a01e070a8af02661 (diff)
parent1eedf3b6d24f421ccdb8798b053ee718d1051651 (diff)
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merge from dm-v1.2.0 part 1
Diffstat (limited to 'src/mcron.c')
-rw-r--r--src/mcron.c126
1 files changed, 0 insertions, 126 deletions
diff --git a/src/mcron.c b/src/mcron.c
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-/* mcron.c -- run jobs at scheduled times
- Copyright © 2003, 2014 Dale Mellor <dale_mellor@users.sourceforge.net>
- Copyright © 2015, 2016, 2017 Mathieu Lirzin <mthl@gnu.org>
-
- This file is part of GNU Mcron.
-
- GNU Mcron 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 3 of the License, or
- (at your option) any later version.
-
- GNU Mcron 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 GNU Mcron. If not, see <http://www.gnu.org/licenses/>. */
-
-#include "utils.h"
-#include <argp.h>
-#include <string.h>
-
-/* Forward declarations. */
-static void inner_main (void *closure, int argc, char *argv[]);
-static SCM parse_args (int argc, char *argv[]);
-static error_t parse_opt (int key, char *arg, struct argp_state *state);
-
-int
-main (int argc, char *argv[])
-{
- /* Set Guile load paths to ensure that Mcron modules will be found after
- installation. In a build environment let the 'pre-inst-env' script set
- the correct paths. */
- if (getenv ("MCRON_UNINSTALLED") == NULL)
- {
- wrap_env_path ("GUILE_LOAD_PATH", PACKAGE_LOAD_PATH);
- wrap_env_path ("GUILE_LOAD_COMPILED_PATH", PACKAGE_LOAD_COMPILED_PATH);
- }
-
- scm_boot_guile (argc, argv, inner_main, NULL);
-
- return EXIT_SUCCESS;
-}
-
-/* Launch the Mcron Guile main program. */
-static void
-inner_main (void *closure, int argc, char *argv[])
-{
- SCM config = parse_args (argc, argv);
- scm_set_current_module (scm_c_resolve_module ("mcron scripts mcron"));
- scm_call_1 (scm_variable_ref (scm_c_lookup ("main")), config);
-}
-
-/* Handle command line arguments. */
-static SCM
-parse_args (int argc, char *argv[])
-{
- static struct argp_option options[] = {
- {"schedule", 's', "N", 0,
- "Display the next N jobs that will be run"},
- {"daemon", 'd', 0, 0,
- "Run as a daemon process"},
- {"stdin", 'i', "FORMAT", 0,
- "Format of data passed as standard input or file arguments (default guile)"},
- {0, 0, 0, 0, 0}
- };
-
- static struct argp argp = {
- .options = options,
- .parser = parse_opt,
- .args_doc = "[FILE...]",
- .doc = "Run an mcron process according to the specifications in the "
- "FILE... (`-' for standard input), or use all the files in "
- "~/.config/cron (or the deprecated ~/.cron) with .guile or "
- ".vixie extensions."
- };
-
- SCM config = SCM_EOL;
- argp_program_version = PACKAGE_STRING;
- argp_program_bug_address = PACKAGE_BUGREPORT;
- argp_parse (&argp, argc, argv, 0, NULL, &config);
-
- return config;
-}
-
-static error_t
-parse_opt (int key, char *arg, struct argp_state *state)
-{
- SCM *config = state->input;
-
- switch (key)
- {
- case 's':
- assq_symbol_set_x (config, "schedule",
- scm_from_int (atoi (arg)));
- break;
- case 'd':
- assq_symbol_set_x (config, "daemon", SCM_BOOL_T);
- break;
- case 'i':
- if (strncmp (arg, "vixie", 6) == 0)
- assq_symbol_set_x (config, "vixie", SCM_BOOL_T);
- break;
- case ARGP_KEY_NO_ARGS:
- assq_symbol_set_x (config, "files", SCM_EOL);
- break;
- case ARGP_KEY_ARGS:
- {
- SCM lst = SCM_EOL;
- int filec = state->argc - state->next;
- char **filev = state->argv + state->next;
- int i;
-
- for (i = filec - 1; i >= 0; i--)
- lst = scm_cons (scm_from_locale_string (filev[i]), lst);
-
- assq_symbol_set_x (config, "files", lst);
- break;
- }
- case ARGP_KEY_ARG:
- default:
- return ARGP_ERR_UNKNOWN;
- }
- return 0;
-}