107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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#include <errno.h>
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#include <getopt.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "path-util.h"
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#include "string-util.h"
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#include "udev.h"
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#include "udevadm.h"
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static const char *arg_command = NULL;
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static char arg_syspath[UTIL_PATH_SIZE] = {};
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static int help(void) {
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printf("%s test-builtin [OPTIONS] COMMAND DEVPATH\n\n"
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"Test a built-in command.\n\n"
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" -h --help Print this message\n"
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" -V --version Print version of the program\n\n"
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"Commands:\n"
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, program_invocation_short_name);
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udev_builtin_list();
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return 0;
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}
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static int parse_argv(int argc, char *argv[]) {
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static const struct option options[] = {
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{ "version", no_argument, NULL, 'V' },
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{ "help", no_argument, NULL, 'h' },
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{}
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};
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const char *s;
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int c;
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while ((c = getopt_long(argc, argv, "Vh", options, NULL)) >= 0)
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switch (c) {
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case 'V':
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return version();
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case 'h':
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return help();
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case '?':
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return -EINVAL;
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default:
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assert_not_reached("Unknown option");
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}
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arg_command = argv[optind++];
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if (!arg_command) {
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log_error("Command missing.");
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return -EINVAL;
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}
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s = argv[optind++];
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if (!s) {
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log_error("syspath missing.");
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return -EINVAL;
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}
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/* add /sys if needed */
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if (!path_startswith(s, "/sys"))
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strscpyl(arg_syspath, sizeof(arg_syspath), "/sys", s, NULL);
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else
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strscpy(arg_syspath, sizeof(arg_syspath), s);
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return 1;
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}
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int builtin_main(int argc, char *argv[], void *userdata) {
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_cleanup_(udev_device_unrefp) struct udev_device *dev = NULL;
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enum udev_builtin_cmd cmd;
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int r;
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log_set_max_level(LOG_DEBUG);
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r = parse_argv(argc, argv);
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if (r <= 0)
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return r;
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udev_builtin_init();
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cmd = udev_builtin_lookup(arg_command);
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if (cmd >= UDEV_BUILTIN_MAX) {
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log_error("Unknown command '%s'", arg_command);
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r = -EINVAL;
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goto finish;
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}
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dev = udev_device_new_from_syspath(NULL, arg_syspath);
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if (!dev) {
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r = log_error_errno(errno, "Failed to open device '%s'", arg_syspath);
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goto finish;
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}
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r = udev_builtin_run(dev, cmd, arg_command, true);
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if (r < 0)
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log_debug("error executing '%s', exit code %i", arg_command, r);
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finish:
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udev_builtin_exit();
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return r;
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}
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