smdev SMDEV environment fix and small optimization - smdev - suckless mdev
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---
(DIR) commit 7550047abc4f7db1da453ae8927866b512f95a03
(DIR) parent ddacaa6b20569d4fb4be3de615434f5f59fe9b28
(HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Sun, 6 Apr 2014 15:59:39 +0200
smdev SMDEV environment fix and small optimization
Use setenv() with overwrite flag to set environment variable. This fixes an issue where SMDEV was still set to a previous rule environment (symlinked my /dev/cdrom to usb2 :)).
Optimization: check if rule->cmd is set, else don't change directory to /dev and don't set the environment variable.
Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>
Diffstat:
M smdev.c | 30 ++++++++++++++----------------
1 file changed, 14 insertions(+), 16 deletions(-)
---
(DIR) diff --git a/smdev.c b/smdev.c
@@ -223,14 +223,13 @@ removedev(struct event *ev)
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(rule->cmd) {
+ if (chdir("/dev") < 0)
+ eprintf("chdir /dev:");
+ if (setenv("SMDEV", ev->devname, 1) < 0)
+ eprintf("setenv:");
+ runrulecmd(rule);
+ }
if (chdir(ocwd) < 0)
eprintf("chdir %s:", ocwd);
@@ -313,14 +312,13 @@ createdev(struct event *ev)
}
runrule:
- if (chdir("/dev") < 0)
- eprintf("chdir /dev:");
-
- snprintf(buf, sizeof(buf), "SMDEV=%s", ev->devname);
- if (putenv(buf) < 0)
- eprintf("putenv:");
-
- runrulecmd(rule);
+ if(rule->cmd) {
+ if (chdir("/dev") < 0)
+ eprintf("chdir /dev:");
+ if (setenv("SMDEV", ev->devname, 1) < 0)
+ eprintf("setenv:");
+ runrulecmd(rule);
+ }
if (chdir(ocwd) < 0)
eprintf("chdir %s:", ocwd);