X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Fudevadm.c;h=178981eb3e09c233d0ddad1ef491349a7b5f0b11;hp=e4f24205467c2286730c6ae7dc5c44f714bee4d5;hb=eabac232a51b8d8dc2f6897018968bfe96d2912d;hpb=7d563a17f3967890331daf08d43f2f005418139b diff --git a/udev/udevadm.c b/udev/udevadm.c index e4f242054..178981eb3 100644 --- a/udev/udevadm.c +++ b/udev/udevadm.c @@ -1,23 +1,20 @@ /* - * Copyright (C) 2007-2008 Kay Sievers + * Copyright (C) 2007-2009 Kay Sievers * - * 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 version 2 of the License. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * 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 . */ -#include "config.h" - #include #include #include @@ -28,7 +25,7 @@ #include "udev.h" -static int debug; +static bool debug; static void log_fn(struct udev *udev, int priority, const char *file, int line, const char *fn, @@ -38,85 +35,59 @@ static void log_fn(struct udev *udev, int priority, fprintf(stderr, "%s: ", fn); vfprintf(stderr, format, args); } else { + va_list args2; + + va_copy(args2, args); + vfprintf(stderr, format, args2); + va_end(args2); vsyslog(priority, format, args); } } -struct command { - const char *name; - int (*cmd)(struct udev *udev, int argc, char *argv[]); - const char *help; - int debug; -}; - -static const struct command cmds[]; - -static int version(struct udev *udev, int argc, char *argv[]) +static int adm_version(struct udev *udev, int argc, char *argv[]) { printf("%s\n", VERSION); return 0; } +static const struct udevadm_cmd udevadm_version = { + .name = "version", + .cmd = adm_version, +}; + +static int adm_help(struct udev *udev, int argc, char *argv[]); +static const struct udevadm_cmd udevadm_help = { + .name = "help", + .cmd = adm_help, +}; -static int help(struct udev *udev, int argc, char *argv[]) +static const struct udevadm_cmd *udevadm_cmds[] = { + &udevadm_info, + &udevadm_trigger, + &udevadm_settle, + &udevadm_control, + &udevadm_monitor, + &udevadm_test, + &udevadm_test_builtin, + &udevadm_version, + &udevadm_help, +}; + +static int adm_help(struct udev *udev, int argc, char *argv[]) { - const struct command *cmd; + unsigned int i; - printf("Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n"); - for (cmd = cmds; cmd->name != NULL; cmd++) - printf(" %-12s %s\n", cmd->name, cmd->help); - printf("\n"); + fprintf(stderr, "Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n"); + for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) + if (udevadm_cmds[i]->help != NULL) + printf(" %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help); + fprintf(stderr, "\n"); return 0; } -static const struct command cmds[] = { - { - .name = "info", - .cmd = udevadm_info, - .help = "query sysfs or the udev database", - }, - { - .name = "trigger", - .cmd = udevadm_trigger, - .help = "request events from the kernel", - }, - { - .name = "settle", - .cmd = udevadm_settle, "", - .help = "wait for the event queue to finish", - }, - { - .name = "control", - .cmd = udevadm_control, - .help = "control the udev daemon", - }, - { - .name = "monitor", - .cmd = udevadm_monitor, - .help = "listen to kernel and udev events", - }, - { - .name = "test", - .cmd = udevadm_test, - .help = "simulation run", - .debug = 1, - }, - { - .name = "version", - .cmd = version, - .help = "print the version number", - }, - { - .name = "help", - .cmd = help, - .help = "print this help text", - }, - {} -}; - -static int run_command(struct udev *udev, const struct command *cmd, int argc, char *argv[]) +static int run_command(struct udev *udev, const struct udevadm_cmd *cmd, int argc, char *argv[]) { if (cmd->debug) { - debug = 1; + debug = true; if (udev_get_log_priority(udev) < LOG_INFO) udev_set_log_priority(udev, LOG_INFO); } @@ -128,55 +99,24 @@ int main(int argc, char *argv[]) { struct udev *udev; static const struct option options[] = { - { "debug", 0, NULL, 'd' }, - { "help", 0, NULL, 'h' }, - { "version", 0, NULL, 'V' }, + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, {} }; const char *command; - int i; - const char *pos; + unsigned int i; int rc = 1; udev = udev_new(); if (udev == NULL) goto out; - logging_init("udevadm"); + udev_log_init("udevadm"); udev_set_log_fn(udev, log_fn); - sysfs_init(); - - /* see if we are a compat link, this will be removed in a future release */ - command = argv[0]; - pos = strrchr(command, '/'); - if (pos != NULL) - command = &pos[1]; - - /* the trailing part of the binary or link name is the command */ - if (strncmp(command, "udev", 4) == 0) - command = &command[4]; - - for (i = 0; cmds[i].cmd != NULL; i++) { - if (strcmp(cmds[i].name, command) == 0) { - char path[128]; - char prog[512]; - ssize_t len; - - snprintf(path, sizeof(path), "/proc/%lu/exe", (unsigned long) getppid()); - len = readlink(path, prog, sizeof(prog)); - if (len > 0) { - prog[len] = '\0'; - fprintf(stderr, "the program '%s' called '%s', it should use 'udevadm %s ', " - "this will stop working in a future release\n", prog, argv[0], command); - info(udev, "the program '%s' called '%s', it should use 'udevadm %s ', " - "this will stop working in a future release\n", prog, argv[0], command); - } - rc = run_command(udev, &cmds[i], argc, argv); - goto out; - } - } + udev_selinux_init(udev); - while (1) { + for (;;) { int option; option = getopt_long(argc, argv, "+dhV", options, NULL); @@ -185,15 +125,15 @@ int main(int argc, char *argv[]) switch (option) { case 'd': - debug = 1; + debug = true; if (udev_get_log_priority(udev) < LOG_INFO) udev_set_log_priority(udev, LOG_INFO); break; case 'h': - rc = help(udev, argc, argv); + rc = adm_help(udev, argc, argv); goto out; case 'V': - rc = version(udev, argc, argv); + rc = adm_version(udev, argc, argv); goto out; default: goto out; @@ -201,20 +141,25 @@ int main(int argc, char *argv[]) } command = argv[optind]; + info(udev, "runtime dir '%s'\n", udev_get_run_path(udev)); + if (command != NULL) - for (i = 0; cmds[i].cmd != NULL; i++) { - if (strcmp(cmds[i].name, command) == 0) { - optind++; - rc = run_command(udev, &cmds[i], argc, argv); + for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) { + if (strcmp(udevadm_cmds[i]->name, command) == 0) { + argc -= optind; + argv += optind; + optind = 0; + rc = run_command(udev, udevadm_cmds[i], argc, argv); goto out; } } - fprintf(stderr, "unknown command, try udevadm help\n\n"); + fprintf(stderr, "missing or unknown command\n\n"); + adm_help(udev, argc, argv); rc = 2; out: - sysfs_cleanup(); + udev_selinux_exit(udev); udev_unref(udev); - logging_close(); + udev_log_close(); return rc; }