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openwrt-xburst/package/hotplug2/patches/100-env_memleak.patch
juhosg 02a726fb36 package/hotplug2: refresh patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20462 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-03-26 14:28:25 +00:00

64 lines
1.4 KiB
Diff

--- a/action.c
+++ b/action.c
@@ -31,6 +31,30 @@ static void action_dumb(const struct set
}
/**
+ * Creates a "key=value" string from the given key and value
+ *
+ * @1 Key
+ * @2 Value
+ *
+ * Returns: Newly allocated string in "key=value" form
+ *
+ */
+static char* alloc_env(const char *key, const char *value) {
+ size_t keylen, vallen;
+ char *combined;
+
+ keylen = strlen(key);
+ vallen = strlen(value) + 1;
+
+ combined = xmalloc(keylen + vallen + 1);
+ memcpy(combined, key, keylen);
+ combined[keylen] = '=';
+ memcpy(&combined[keylen + 1], value, vallen);
+
+ return combined;
+}
+
+/**
* Choose what action should be taken according to passed settings.
*
* @1 Hotplug settings
@@ -41,16 +65,25 @@ static void action_dumb(const struct set
*/
void action_perform(struct settings_t *settings, struct uevent_t *event) {
int i;
+ char **env;
+
+ env = xmalloc(sizeof(char *) * event->env_vars_c);
+
+ for (i = 0; i < event->env_vars_c; i++) {
+ env[i] = alloc_env(event->env_vars[i].key, event->env_vars[i].value);
+ putenv(env[i]);
+ }
- for (i = 0; i < event->env_vars_c; i++)
- setenv(event->env_vars[i].key, event->env_vars[i].value, 1);
-
if (settings->dumb == 0) {
ruleset_execute(&settings->rules, event, settings);
} else {
action_dumb(settings, event);
}
- for (i = 0; i < event->env_vars_c; i++)
+ for (i = 0; i < event->env_vars_c; i++) {
unsetenv(event->env_vars[i].key);
+ free(env[i]);
+ }
+
+ free(env);
}