109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
/*
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* udev.c
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*
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* Userspace devfs
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*
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* Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <ctype.h>
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#include <signal.h>
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#include "libsysfs/sysfs/libsysfs.h"
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#include "udev.h"
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#include "udev_lib.h"
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#include "udev_version.h"
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#include "logging.h"
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#include "namedev.h"
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/* global variables */
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char **main_argv;
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char **main_envp;
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#ifdef LOG
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unsigned char logname[LOGNAME_SIZE];
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void log_message (int level, const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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vprintf(format, args);
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va_end(args);
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if (format[strlen(format)-1] != '\n')
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printf("\n");
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}
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#endif
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int main(int argc, char *argv[], char *envp[])
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{
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char *devpath;
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char temp[NAME_SIZE];
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char *subsystem = "";
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main_argv = argv;
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main_envp = envp;
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info("version %s", UDEV_VERSION);
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if (argv[1] == NULL) {
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info("udevinfo expects the DEVPATH of the sysfs device as a argument");
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goto exit;
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}
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/* initialize our configuration */
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udev_init_config();
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/* remove sysfs_path if given */
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if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0)
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devpath = argv[1] + strlen(sysfs_path);
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else
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if (argv[1][0] != '/') {
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/* prepend '/' if missing */
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strfieldcpy(temp, "/");
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strfieldcat(temp, argv[1]);
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devpath = temp;
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} else {
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devpath = argv[1];
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}
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info("looking at '%s'", devpath);
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/* we only care about class devices and block stuff */
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if (!strstr(devpath, "class") &&
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!strstr(devpath, "block")) {
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info("not a block or class device");
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goto exit;
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}
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/* initialize the naming deamon */
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namedev_init();
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if (argv[2] != NULL)
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subsystem = argv[2];
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/* simulate node creation with fake flag */
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udev_add_device(devpath, subsystem, FAKE);
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exit:
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return 0;
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}
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