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	$SMDEV points to device name - smdev - suckless mdev
	git clone git://git.suckless.org/smdev
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	---
	commit 4493e6f0efa782693f55b062e02d246a257efddf
	parent 6599c9ea656da6b55aa06257c656ed85362964d7
	Author: sin <[email protected]>
	Date: Mon, 2 Sep 2013 10:21:50 +0100

	$SMDEV points to device name

	Export $SMDEV for removedev() as well

	Diffstat:
	M smdev.c \| 33 +++++++++++++++++++++++++++--…

	1 file changed, 29 insertions(+), 4 deletions(-)
	---
	diff --git a/smdev.c b/smdev.c
	@@ -210,6 +210,7 @@ removedev(struct event *ev)
	{
	struct rule *rule;
	struct rulepath rpath;
	+ char *ocwd;
	char buf[PATH_MAX];

	rule = ev->rule;
	@@ -217,8 +218,24 @@ removedev(struct event *ev)
	if (rule->path && rule->path[0] == '!')
	return 0;

	+ ocwd = agetcwd();
	+
	parsepath(rule, &rpath, ev->devname);
	+
	+ if (chdir("/dev") < 0)
	+ eprintf("chdir /dev:");
	+
	+ snprintf(buf, sizeof(buf), "SMDEV=%s", ev->devname);
	+ if (putenv(buf) < 0)
	+ eprintf("putenv:");
	+
	runrulecmd(rule);
	+
	+ if (chdir(ocwd) < 0)
	+ eprintf("chdir %s:", ocwd);
	+
	+ free(ocwd);
	+
	/* Delete device node */
	unlink(rpath.path);
	/* Delete symlink */
	@@ -236,7 +253,7 @@ createdev(struct event *ev)
	struct rulepath rpath;
	struct passwd *pw;
	struct group *gr;
	- char *dirc;
	+ char dirc, ocwd;
	char buf[BUFSIZ];
	int type;

	@@ -249,6 +266,8 @@ createdev(struct event *ev)
	if ((type = devtype(buf)) < 0)
	return -1;

	+ ocwd = agetcwd();
	+
	/* Parse path and create the directory tree */
	parsepath(rule, &rpath, ev->devname);
	if (!(dirc = strdup(rpath.path)))
	@@ -292,14 +311,20 @@ createdev(struct event *ev)
	buf, rpath.path);
	}

	- snprintf(buf, sizeof(buf), "SMDEV=%s", rpath.path);
	+ if (chdir("/dev") < 0)
	+ eprintf("chdir /dev:");
	+
	+ snprintf(buf, sizeof(buf), "SMDEV=%s", ev->devname);
	if (putenv(buf) < 0)
	eprintf("putenv:");

	- /* XXX: should chdir to dirname(devpath) and set SMDEV
	- * to point to the actual device name */
	runrulecmd(rule);

	+ if (chdir(ocwd) < 0)
	+ eprintf("chdir %s:", ocwd);
	+
	+ free(ocwd);
	+
	return 0;
	}