2 * dev_d.c - dev.d/ multiplexer
4 * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation version 2 of the License.
12 * This essentially emulates the following shell script logic in C:
14 * export DEVNAME="whatever_dev_name_udev_just_gave"
15 * for I in "${DIR}/$DEVNAME/"*.dev "${DIR}/$1/"*.dev "${DIR}/default/"*.dev ; do
16 * if [ -f $I ]; then $I $1 ; fi
24 #include <sys/types.h>
31 #define DEVD_DIR "/etc/dev.d/"
32 #define DEVD_SUFFIX ".dev"
34 static int run_program(char *name)
38 dbg("running %s", name);
44 execv(name, main_argv);
45 dbg("exec of child failed");
48 dbg("fork of child failed");
59 * runs files in these directories in order:
60 * <node name given by udev>/
64 void dev_d_send(struct udevice *dev, char *subsystem, char *devpath)
67 char devname[NAME_SIZE];
72 if (dev->type == 'b' || dev->type == 'c') {
73 strfieldcpy(devname, udev_root);
74 strfieldcat(devname, dev->name);
75 } else if (dev->type == 'n') {
76 strfieldcpy(devname, dev->name);
77 setenv("DEVPATH", devpath, 1);
79 setenv("DEVNAME", devname, 1);
80 dbg("DEVNAME='%s'", devname);
82 strcpy(dirname, DEVD_DIR);
83 strfieldcat(dirname, dev->name);
84 call_foreach_file(run_program, dirname, DEVD_SUFFIX);
86 strcpy(dirname, DEVD_DIR);
87 strfieldcat(dirname, subsystem);
88 call_foreach_file(run_program, dirname, DEVD_SUFFIX);
90 strcpy(dirname, DEVD_DIR "default");
91 call_foreach_file(run_program, dirname, DEVD_SUFFIX);