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add NULL checks

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This commit is contained in:
Sascha Kruse 2012-07-18 03:42:31 +02:00
parent 2dcf737e11
commit f335ff2927
1 changed files with 19 additions and 1 deletions
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20
dunst.c
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@ -127,6 +127,13 @@ void print_version(void);
int cmp_notification(void *a, void *b)
{
if (a == NULL && b == NULL)
return 0;
else if (a == NULL)
return -1;
else if (b == NULL)
return 1;
notification *na = (notification *) a;
notification *nb = (notification *) b;
if (na->urgency != nb->urgency) {
@ -165,6 +172,9 @@ l_node *most_important(list * l)
void print_rule(rule_t * r)
{
if (r == NULL)
return;
dunst_printf(DEBUG, "%s %s %s %s %s %d %d %s %s %s\n",
r->name,
r->appname,
@ -187,7 +197,7 @@ void print_rules(void)
void apply_rules(notification * n)
{
if (l_is_empty(rules)) {
if (l_is_empty(rules) || n == NULL) {
return;
}
@ -642,6 +652,8 @@ void history_pop(void)
void free_notification(notification * n)
{
if (n == NULL)
return;
free(n->appname);
free(n->summary);
free(n->body);
@ -655,7 +667,11 @@ int init_notification(notification * n, int id)
{
const char *fg = NULL;
const char *bg = NULL;
if (n == NULL)
return -1;
n->format = format;
apply_rules(n);
n->msg = string_replace("%a", n->appname, strdup(n->format));
@ -771,6 +787,8 @@ int close_notification_by_id(int id, int reason)
int close_notification(notification * n, int reason)
{
if (n == NULL)
return -1;
return close_notification_by_id(n->id, reason);
}