diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/utils.c | 44 | ||||
| -rw-r--r-- | src/utils.h | 27 | ||||
| -rw-r--r-- | src/wrapper.c | 25 |
3 files changed, 72 insertions, 24 deletions
diff --git a/src/utils.c b/src/utils.c new file mode 100644 index 0000000..b011e77 --- /dev/null +++ b/src/utils.c @@ -0,0 +1,44 @@ +/* utils.c -- Utility functions. + Copyright © 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 <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +void +wrap_env_path (const char *envar, const char *dir) +{ + const char *path = getenv (envar); + if (path == NULL) + setenv (envar, dir, true); + else + { + char *new_path; + int ret = asprintf (&new_path, "%s:%s", dir, path); + if (ret >= 0) + setenv (envar, new_path, true); + else + { + perror (envar); + exit (EXIT_FAILURE); + } + free (new_path); + } +} diff --git a/src/utils.h b/src/utils.h new file mode 100644 index 0000000..5a71afd --- /dev/null +++ b/src/utils.h @@ -0,0 +1,27 @@ +/* utils.h -- Utility functions. + Copyright © 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/>. */ + +#ifndef MCRON_UTILS_H +#define MCRON_UTILS_H + +/** + Append DIR in front of ENVAR environment variable value. If ENVAR is not + defined, then define it with DIR. Bail out if something went wrong. */ +extern void wrap_env_path (const char *envar, const char *dir); + +#endif /* MCRON_UTILS_H */ diff --git a/src/wrapper.c b/src/wrapper.c index cef6b3c..d5be805 100644 --- a/src/wrapper.c +++ b/src/wrapper.c @@ -21,6 +21,7 @@ is needed because the crontab personality requires SUID which is not permitted for executable scripts. */ +#include "utils.h" #include <libguile.h> #include <signal.h> #include <stdbool.h> @@ -29,7 +30,6 @@ #include <string.h> /* Forward declarations. */ -static void wrap_env_path (const char *envar, const char *dir); static void inner_main (void *closure, int argc, char **argv); static void react_to_terminal_signal (int sig); static SCM set_cron_signals (void); @@ -51,29 +51,6 @@ main (int argc, char **argv) return EXIT_SUCCESS; } -/* Append DIR in front of ENVAR environment variable value. If ENVAR is not - defined, then define it with DIR. Bail out if something went wrong. */ -static void -wrap_env_path (const char *envar, const char *dir) -{ - const char *path = getenv (envar); - if (path == NULL) - setenv (envar, dir, true); - else - { - char *new_path; - int ret = asprintf (&new_path, "%s:%s", dir, path); - if (ret >= 0) - setenv (envar, new_path, true); - else - { - perror (envar); - exit (EXIT_FAILURE); - } - free (new_path); - } -} - /* Launch the Mcron Guile main program. */ static void inner_main (void *closure, int argc, char **argv) |