Add some comments - smdev - suckless mdev
(HTM) git clone git://git.suckless.org/smdev
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---
(DIR) commit 5ce5c84744b108344c59ac30c77ef6a0d2dcde76
(DIR) parent d7f305ee12680d8f218e73e6e3d5d77b74b319d6
(HTM) Author: sin <sin@2f30.org>
Date: Wed, 21 Aug 2013 11:19:21 +0100
Add some comments
Diffstat:
M smdev.c | 4 ++++
1 file changed, 4 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/smdev.c b/smdev.c
@@ -107,6 +107,7 @@ create_dev(const char *path)
if (matchrule(Rule, devname) < 0)
continue;
+ /* Create the dev paths if necessary */
if (Rule->path) {
switch (Rule->path[0]) {
case '=':
@@ -129,6 +130,7 @@ create_dev(const char *path)
}
}
+ /* Create the actual dev nodes */
ret = mknod(devpath, Rules[i].mode | type, makedev(maj, min));
if (ret < 0 && errno != EEXIST)
eprintf("mknod %s:", devpath);
@@ -142,12 +144,14 @@ create_dev(const char *path)
if (ret < 0)
eprintf("chown %s:", devpath);
+ /* Export the needed environment */
if (chdir("/dev") < 0)
eprintf("chdir /dev:");
snprintf(buf, sizeof(buf), "SMDEV=%s", devname);
if (putenv(buf) < 0)
eprintf("putenv:");
+ /* Run the command hooks for this rule */
if (Rule->cmd) {
switch (Rule->cmd[0]) {
case '@':