Merge pull request #13936 from keszybz/format-table-uninhibited

[thirdparty/systemd.git] / src / udev / udevadm-test-builtin.c

diff --git a/src/udev/udevadm-test-builtin.c b/src/udev/udevadm-test-builtin.c
index b5662be5c2980b688f76019060da413d071012bb..eb5d3e2b905f66c5d0d644771198e72827b20870 100644 (file)
--- a/src/udev/udevadm-test-builtin.c
+++ b/src/udev/udevadm-test-builtin.c
@@ -1,19 +1,4 @@
-/*
- * Copyright (C) 2011 Kay Sievers <kay@vrfy.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
- * (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, see <http://www.gnu.org/licenses/>.
- */
+/* SPDX-License-Identifier: GPL-2.0+ */
 
 #include <errno.h>
 #include <getopt.h>
@@ -21,93 +6,92 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "path-util.h"
-#include "string-util.h"
-#include "udev.h"
+#include "log.h"
+#include "udev-builtin.h"
+#include "udevadm.h"
+#include "udevadm-util.h"
 
-static void help(struct udev *udev) {
-        printf("%s builtin [--help] COMMAND SYSPATH\n\n"
+static const char *arg_command = NULL;
+static const char *arg_syspath = NULL;
+
+static int help(void) {
+        printf("%s test-builtin [OPTIONS] COMMAND DEVPATH\n\n"
                "Test a built-in command.\n\n"
                "  -h --help     Print this message\n"
-               "     --version  Print version of the program\n\n"
+               "  -V --version  Print version of the program\n\n"
                "Commands:\n"
                , program_invocation_short_name);
 
-        udev_builtin_list(udev);
+        udev_builtin_list();
+
+        return 0;
 }
 
-static int adm_builtin(struct udev *udev, int argc, char *argv[]) {
+static int parse_argv(int argc, char *argv[]) {
         static const struct option options[] = {
-                { "help", no_argument, NULL, 'h' },
+                { "version", no_argument, NULL, 'V' },
+                { "help",    no_argument, NULL, 'h' },
                 {}
         };
-        char *command = NULL;
-        char *syspath = NULL;
-        char filename[UTIL_PATH_SIZE];
-        struct udev_device *dev = NULL;
-        enum udev_builtin_cmd cmd;
-        int rc = EXIT_SUCCESS, c;
-
-        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
+
+        int c;
+
+        while ((c = getopt_long(argc, argv, "Vh", options, NULL)) >= 0)
                 switch (c) {
+                case 'V':
+                        return print_version();
                 case 'h':
-                        help(udev);
-                        goto out;
+                        return help();
+                case '?':
+                        return -EINVAL;
+                default:
+                        assert_not_reached("Unknown option");
                 }
 
-        command = argv[optind++];
-        if (command == NULL) {
-                fprintf(stderr, "command missing\n");
-                help(udev);
-                rc = 2;
-                goto out;
-        }
+        arg_command = argv[optind++];
+        if (!arg_command)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Command missing.");
 
-        syspath = argv[optind++];
-        if (syspath == NULL) {
-                fprintf(stderr, "syspath missing\n");
-                rc = 3;
-                goto out;
-        }
+        arg_syspath = argv[optind++];
+        if (!arg_syspath)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "syspath missing.");
+
+        return 1;
+}
 
-        udev_builtin_init(udev);
+int builtin_main(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_device_unrefp) sd_device *dev = NULL;
+        UdevBuiltinCommand cmd;
+        int r;
 
-        cmd = udev_builtin_lookup(command);
-        if (cmd >= UDEV_BUILTIN_MAX) {
-                fprintf(stderr, "unknown command '%s'\n", command);
-                help(udev);
-                rc = 5;
-                goto out;
-        }
+        log_set_max_level(LOG_DEBUG);
+
+        r = parse_argv(argc, argv);
+        if (r <= 0)
+                return r;
+
+        udev_builtin_init();
 
-        /* add /sys if needed */
-        if (!path_startswith(syspath, "/sys"))
-                strscpyl(filename, sizeof(filename), "/sys", syspath, NULL);
-        else
-                strscpy(filename, sizeof(filename), syspath);
-        util_remove_trailing_chars(filename, '/');
-
-        dev = udev_device_new_from_syspath(udev, filename);
-        if (dev == NULL) {
-                fprintf(stderr, "unable to open device '%s'\n\n", filename);
-                rc = 4;
-                goto out;
+        cmd = udev_builtin_lookup(arg_command);
+        if (cmd < 0) {
+                log_error("Unknown command '%s'", arg_command);
+                r = -EINVAL;
+                goto finish;
         }
 
-        rc = udev_builtin_run(dev, cmd, command, true);
-        if (rc < 0) {
-                fprintf(stderr, "error executing '%s', exit code %i\n\n", command, rc);
-                rc = 6;
+        r = find_device(arg_syspath, "/sys", &dev);
+        if (r < 0) {
+                log_error_errno(r, "Failed to open device '%s': %m", arg_syspath);
+                goto finish;
         }
-out:
-        udev_device_unref(dev);
-        udev_builtin_exit(udev);
-        return rc;
-}
 
-const struct udevadm_cmd udevadm_test_builtin = {
-        .name = "test-builtin",
-        .cmd = adm_builtin,
-        .help = "Test a built-in command",
-        .debug = true,
-};
+        r = udev_builtin_run(dev, cmd, arg_command, true);
+        if (r < 0)
+                log_debug_errno(r, "Builtin command '%s' fails: %m", arg_command);
+
+finish:
+        udev_builtin_exit();
+        return r;
+}