/* * udev.c * * Userspace devfs * * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com> * * 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., * 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include <stdlib.h> #include <string.h> #include <stdio.h> #include <errno.h> #include <ctype.h> #include <signal.h> #include "libsysfs/sysfs/libsysfs.h" #include "udev.h" #include "udev_lib.h" #include "udev_version.h" #include "logging.h" #include "namedev.h" /* global variables */ char **main_argv; char **main_envp; #ifdef LOG unsigned char logname[LOGNAME_SIZE]; void log_message (int level, const char *format, ...) { va_list args; va_start(args, format); vprintf(format, args); va_end(args); if (format[strlen(format)-1] != '\n') printf("\n"); } #endif int main(int argc, char *argv[], char *envp[]) { char *devpath; char temp[NAME_SIZE]; char *subsystem = ""; const int fake = 1; main_argv = argv; main_envp = envp; info("version %s", UDEV_VERSION); if (argv[1] == NULL) { info("udevinfo expects the DEVPATH of the sysfs device as a argument"); goto exit; } /* initialize our configuration */ udev_init_config(); /* remove sysfs_path if given */ if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0) devpath = argv[1] + strlen(sysfs_path); else if (argv[1][0] != '/') { /* prepend '/' if missing */ strfieldcpy(temp, "/"); strfieldcat(temp, argv[1]); devpath = temp; } else { devpath = argv[1]; } info("looking at '%s'", devpath); /* we only care about class devices and block stuff */ if (!strstr(devpath, "class") && !strstr(devpath, "block")) { info("not a block or class device"); goto exit; } /* initialize the naming deamon */ namedev_init(); if (argv[2] != NULL) subsystem = argv[2]; /* simulate node creation with fake flag */ udev_add_device(devpath, subsystem, fake); exit: return 0; }