lib/utils_base.c - check asprintf returns

Check asprintf returns for proper error handing. Considering we are dying on failure, no real need for xasprintf.

lib/utils_base.c

@@ -454,6 +454,7 @@ void np_enable_state(char *keyname, int expected_data_version) {
 	char *temp_filename = NULL;
 	char *temp_keyname = NULL;
 	char *p=NULL;
+	int ret;
 
 	if(this_nagios_plugin==NULL)
 		die(STATE_UNKNOWN, _("This requires np_init to be called"));
@@ -484,7 +485,9 @@ void np_enable_state(char *keyname, int expected_data_version) {
 	this_state->state_data=NULL;
 
 	/* Calculate filename */
-	asprintf(&temp_filename, "%s/%s/%s", _np_state_calculate_location_prefix(), this_nagios_plugin->plugin_name, this_state->name);
+	ret = asprintf(&temp_filename, "%s/%s/%s", _np_state_calculate_location_prefix(), this_nagios_plugin->plugin_name, this_state->name);
+	if (ret < 0)
+		die(STATE_UNKNOWN, "%s %s\n", _("Cannot allocate memory:"), strerror(errno));
 	this_state->_filename=temp_filename;
 
 	this_nagios_plugin->state = this_state;
@@ -620,7 +623,9 @@ void np_state_write_string(time_t data_time, char *data_string) {
 	
 	/* If file doesn't currently exist, create directories */
 	if(access(this_nagios_plugin->state->_filename,F_OK)!=0) {
-		asprintf(&directories, "%s", this_nagios_plugin->state->_filename);
+		result = asprintf(&directories, "%s", this_nagios_plugin->state->_filename);
+		if (result < 0)
+			die(STATE_UNKNOWN, "%s %s\n", _("Cannot allocate memory:"), strerror(errno));
 		if(directories==NULL)
 			die(STATE_UNKNOWN, _("Cannot allocate memory: %s"),
 			    strerror(errno));
@@ -639,7 +644,9 @@ void np_state_write_string(time_t data_time, char *data_string) {
 		np_free(directories);
 	}
 
-	asprintf(&temp_file,"%s.XXXXXX",this_nagios_plugin->state->_filename);
+	result = asprintf(&temp_file,"%s.XXXXXX",this_nagios_plugin->state->_filename);
+	if (result < 0)
+		die(STATE_UNKNOWN, "%s %s\n", _("Cannot allocate memory:"), strerror(errno));
 	if(temp_file==NULL)
 		die(STATE_UNKNOWN, _("Cannot allocate memory: %s"),
 		    strerror(errno));