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add EXTRAS documentation to the README file.
[elogind.git]
/
udevinfo.c
diff --git
a/udevinfo.c
b/udevinfo.c
index 69e5335b7cef9d26d099c72c8bf45adadac0c483..58584d62f807d5851ff4df0e6e701d760f28e176 100644
(file)
--- a/
udevinfo.c
+++ b/
udevinfo.c
@@
-1,5
+1,5
@@
/*
/*
- * udevinfo - fetches attributes for a device
+ * udevinfo
.c
- fetches attributes for a device
*
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
*
*
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
*
@@
-92,14
+92,6
@@
static int print_record(struct udevice *udev)
return 0;
}
return 0;
}
-enum query_type {
- NONE,
- NAME,
- PATH,
- SYMLINK,
- ALL,
-};
-
static int print_device_chain(const char *path)
{
struct sysfs_class_device *class_dev;
static int print_device_chain(const char *path)
{
struct sysfs_class_device *class_dev;
@@
-185,7
+177,14
@@
int main(int argc, char *argv[], char *envp[])
struct udevice udev;
int root = 0;
int attributes = 0;
struct udevice udev;
int root = 0;
int attributes = 0;
- enum query_type query = NONE;
+ enum query_type {
+ QUERY_NONE,
+ QUERY_NAME,
+ QUERY_PATH,
+ QUERY_SYMLINK,
+ QUERY_ENV,
+ QUERY_ALL,
+ } query = QUERY_NONE;
char path[PATH_SIZE] = "";
char name[PATH_SIZE] = "";
char temp[PATH_SIZE];
char path[PATH_SIZE] = "";
char name[PATH_SIZE] = "";
char temp[PATH_SIZE];
@@
-220,22
+219,27
@@
int main(int argc, char *argv[], char *envp[])
dbg("udev query: %s\n", optarg);
if (strcmp(optarg, "name") == 0) {
dbg("udev query: %s\n", optarg);
if (strcmp(optarg, "name") == 0) {
- query = NAME;
+ query =
QUERY_
NAME;
break;
}
if (strcmp(optarg, "symlink") == 0) {
break;
}
if (strcmp(optarg, "symlink") == 0) {
- query = SYMLINK;
+ query =
QUERY_
SYMLINK;
break;
}
if (strcmp(optarg, "path") == 0) {
break;
}
if (strcmp(optarg, "path") == 0) {
- query = PATH;
+ query = QUERY_PATH;
+ break;
+ }
+
+ if (strcmp(optarg, "env") == 0) {
+ query = QUERY_ENV;
break;
}
if (strcmp(optarg, "all") == 0) {
break;
}
if (strcmp(optarg, "all") == 0) {
- query = ALL;
+ query =
QUERY_
ALL;
break;
}
break;
}
@@
-268,7
+272,7
@@
int main(int argc, char *argv[], char *envp[])
}
/* process options */
}
/* process options */
- if (query != NONE) {
+ if (query !=
QUERY_
NONE) {
if (path[0] != '\0') {
/* remove sysfs_path if given */
if (strncmp(path, sysfs_path, strlen(sysfs_path)) == 0) {
if (path[0] != '\0') {
/* remove sysfs_path if given */
if (strncmp(path, sysfs_path, strlen(sysfs_path)) == 0) {
@@
-285,7
+289,7
@@
int main(int argc, char *argv[], char *envp[])
}
retval = udev_db_get_device(&udev, pos);
if (retval != 0) {
}
retval = udev_db_get_device(&udev, pos);
if (retval != 0) {
- fprintf(stderr, "
device not found in database\n"
);
+ fprintf(stderr, "
no record for '%s' in database\n", pos
);
goto exit;
}
goto print;
goto exit;
}
goto print;
@@
-317,15
+321,15
@@
int main(int argc, char *argv[], char *envp[])
print:
switch(query) {
print:
switch(query) {
- case NAME:
+ case
QUERY_
NAME:
if (root)
printf("%s/%s\n", udev_root, udev.name);
else
printf("%s\n", udev.name);
goto exit;
if (root)
printf("%s/%s\n", udev_root, udev.name);
else
printf("%s\n", udev.name);
goto exit;
- case SYMLINK:
+ case
QUERY_
SYMLINK:
if (list_empty(&udev.symlink_list))
if (list_empty(&udev.symlink_list))
-
break
;
+
goto exit
;
if (root)
list_for_each_entry(name_loop, &udev.symlink_list, node)
printf("%s/%s ", udev_root, name_loop->name);
if (root)
list_for_each_entry(name_loop, &udev.symlink_list, node)
printf("%s/%s ", udev_root, name_loop->name);
@@
-334,10
+338,14
@@
print:
printf("%s ", name_loop->name);
printf("\n");
goto exit;
printf("%s ", name_loop->name);
printf("\n");
goto exit;
- case PATH:
+ case
QUERY_
PATH:
printf("%s\n", udev.devpath);
goto exit;
printf("%s\n", udev.devpath);
goto exit;
- case ALL:
+ case QUERY_ENV:
+ list_for_each_entry(name_loop, &udev.env_list, node)
+ printf("%s\n", name_loop->name);
+ goto exit;
+ case QUERY_ALL:
print_record(&udev);
goto exit;
default:
print_record(&udev);
goto exit;
default:
@@
-373,6
+381,7
@@
help:
" 'name' name of device node\n"
" 'symlink' pointing to node\n"
" 'path' sysfs device path\n"
" 'name' name of device node\n"
" 'symlink' pointing to node\n"
" 'path' sysfs device path\n"
+ " 'env' the device related imported environment\n"
" 'all' all values\n"
"\n"
" -p PATH sysfs device path used for query or chain\n"
" 'all' all values\n"
"\n"
" -p PATH sysfs device path used for query or chain\n"