Support remove action - smdev - suckless mdev
(HTM) git clone git://git.suckless.org/smdev
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---
(DIR) commit 489d08c79725cad5203a1d52ede57851b6d78ba0
(DIR) parent 5f48a52f383ac2a646b4608195372a314a91e7e5
(HTM) Author: sin <sin@2f30.org>
Date: Fri, 23 Aug 2013 13:25:16 +0100
Support remove action
Diffstat:
M smdev.c | 30 +++++++++++++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)
---
(DIR) diff --git a/smdev.c b/smdev.c
@@ -44,6 +44,7 @@ static int matchrule(int ruleidx, char *devname);
static void runrule(struct rule *rule);
static void parsepath(struct rule *rule, char *devpath,
size_t devpathsz, char *devname);
+static int removedev(struct event *ev);
static int createdev(struct event *ev);
static int doevent(struct event *ev);
static int craftev(struct event *ev, enum action action,
@@ -195,6 +196,31 @@ parsepath(struct rule *rule, char *devpath, size_t devpathsz,
}
static int
+removedev(struct event *ev)
+{
+ struct rule *rule;
+ char buf[PATH_MAX];
+ char devpath[PATH_MAX];
+ char devname[PATH_MAX];
+
+ rule = ev->rule;
+ strlcpy(devname, ev->devname, sizeof(devname));
+ snprintf(devpath, sizeof(devpath), "/dev/%s", devname);
+ if (rule->path)
+ parsepath(rule, devpath, sizeof(devpath),
+ devname);
+ runrule(rule);
+ /* Delete device node */
+ unlink(devpath);
+ /* Delete symlink */
+ if (rule->path && rule->path[0] == '>') {
+ snprintf(buf, sizeof(buf), "/dev/%s", ev->devname);
+ unlink(buf);
+ }
+ return 0;
+}
+
+static int
createdev(struct event *ev)
{
struct rule *rule;
@@ -261,7 +287,7 @@ createdev(struct event *ev)
snprintf(buf, sizeof(buf), "/dev/%s", ev->devname);
if (symlink(devpath, buf))
eprintf("symlink %s -> %s:",
- ev->devname, devpath);
+ buf, devpath);
}
snprintf(buf, sizeof(buf), "SMDEV=%s", devpath);
@@ -286,6 +312,8 @@ doevent(struct event *ev)
switch (ev->action) {
case ADD_ACTION:
return createdev(ev);
+ case REMOVE_ACTION:
+ return removedev(ev);
default:
break;
}