exp_name => "Major:8:minor:5:kernelnumber:5:id:0:0:0:0" ,
rules => <<EOF
SUBSYSTEMS=="scsi", KERNELS=="0:0:0:0", NAME="Major:%M:minor:%m:kernelnumber:%n:id:%b"
-EOF
- },
- {
- desc => "test substitution chars (with length limit)",
- subsys => "block",
- devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5",
- exp_name => "M8-m5-n5-b0:0-xAT" ,
- rules => <<EOF
-SUBSYSTEMS=="scsi", KERNELS=="0:0:0:0", NAME="M%M-m%m-n%n-b%3b-x%2s{vendor}"
EOF
},
{
EOF
},
{
- desc => "program with escaped format char (tricky: callout returns format char!)",
+ desc => "program with escaped format char (callout returns format char!)",
subsys => "block",
devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5",
exp_name => "escape-5" ,
exp_target => "ttyACM0",
rules => <<EOF
KERNEL=="ttyACM[0-9]*", NAME="ttyACM%n", SYMLINK+="%s{dev}"
-EOF
- },
- {
- desc => "symlink %Ns{filename} substitution",
- subsys => "tty",
- devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
- exp_name => "166",
- exp_target => "ttyACM0",
- rules => <<EOF
-KERNEL=="ttyACM[0-9]*", NAME="ttyACM%n", SYMLINK+="%3s{dev}"
EOF
},
{
return attr;
}
-/* extract possible format length and move str behind it*/
-static int get_format_len(struct udev *udev, char **str)
-{
- int num;
- char *tail;
-
- if (isdigit(*str[0])) {
- num = (int) strtoul(*str, &tail, 10);
- if (num > 0) {
- *str = tail;
- dbg(udev, "format length=%i\n", num);
- return num;
- } else {
- err(udev, "format parsing error '%s'\n", *str);
- }
- }
- return -1;
-}
-
void udev_event_apply_format(struct udev_event *event, char *string, size_t maxsize)
{
struct udev_device *dev = event->dev;
char temp[UTIL_PATH_SIZE];
char temp2[UTIL_PATH_SIZE];
char *head, *tail, *cpos, *attr, *rest;
- int len;
int i;
int count;
enum subst_type {
head = string;
while (1) {
- len = -1;
while (head[0] != '\0') {
if (head[0] == '$') {
/* substitute named variable */
}
head[0] = '\0';
tail = head+1;
- len = get_format_len(event->udev, &tail);
for (subst = map; subst->name; subst++) {
if (tail[0] == subst->fmt) {
type = subst->type;
err(event->udev, "unknown substitution type=%i\n", type);
break;
}
- /* possibly truncate to format-char specified length */
- if (len >= 0 && len < (int)strlen(head)) {
- head[len] = '\0';
- dbg(event->udev, "truncate to %i chars, subtitution string becomes '%s'\n", len, head);
- }
util_strlcat(string, temp, maxsize);
}
}