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policy: simplify set_system_hostname()

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Move some conditionals to the beginning of the function.
This commit is contained in:
Beniamino Galvani 2016-02-22 10:01:30 +01:00
parent 4090716d96
commit f87d25f7a1
1 changed files with 8 additions and 5 deletions
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13
src/nm-policy.c
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@ -157,8 +157,13 @@ set_system_hostname (NMPolicy *self, const char *new_hostname, const char *msg)
const char *name;
int ret;
if (new_hostname)
g_warn_if_fail (strlen (new_hostname));
if (!new_hostname)
name = FALLBACK_HOSTNAME4;
else if (!new_hostname[0]) {
g_warn_if_reached ();
name = FALLBACK_HOSTNAME4;
} else
name = new_hostname;
old_hostname[HOST_NAME_MAX] = '\0';
errno = 0;
@ -168,12 +173,10 @@ set_system_hostname (NMPolicy *self, const char *new_hostname, const char *msg)
errno, strerror (errno));
} else {
/* Don't set the hostname if it isn't actually changing */
if ( (new_hostname && !strcmp (old_hostname, new_hostname))
|| (!new_hostname && !strcmp (old_hostname, FALLBACK_HOSTNAME4)))
if (nm_streq (name, old_hostname))
return;
}
name = (new_hostname && strlen (new_hostname)) ? new_hostname : FALLBACK_HOSTNAME4;
_LOGI (LOGD_DNS, "setting system hostname to '%s' (%s)", name, msg);
nm_settings_set_transient_hostname (priv->settings,
name,