Add tmp_path in order to make the template path workable on iOS.

src/iperf_api.c

@@ -210,6 +210,12 @@ iperf_get_test_server_hostname(struct iperf_test *ipt)
     return ipt->server_hostname;
 }
 
+char*
+iperf_get_test_tmp_path(struct iperf_test *ipt)
+{
+    return ipt->tmp_path;
+}
+
 int
 iperf_get_test_protocol_id(struct iperf_test *ipt)
 {
@@ -372,6 +378,12 @@ iperf_set_test_server_hostname(struct iperf_test *ipt, char *server_hostname)
     ipt->server_hostname = strdup(server_hostname);
 }
 
+void
+iperf_set_test_tmp_path(struct iperf_test *ipt, char *tmp_path)
+{
+    ipt->tmp_path = strdup(tmp_path);
+}
+
 void
 iperf_set_test_reverse(struct iperf_test *ipt, int reverse)
 {
@@ -1869,6 +1881,8 @@ iperf_free_test(struct iperf_test *test)
 
     if (test->server_hostname)
 	free(test->server_hostname);
+    if (test->tmp_path)
+    free(test->tmp_path);
     if (test->bind_address)
 	free(test->bind_address);
     if (!TAILQ_EMPTY(&test->xbind_addrs)) {
@@ -2574,7 +2588,13 @@ iperf_new_stream(struct iperf_test *test, int s)
 {
     int i;
     struct iperf_stream *sp;
-    char template[] = "/tmp/iperf3.XXXXXX";
+    
+    char template[1024];
+    if (test->tmp_path) {
+        strcpy(template, strcat(test->tmp_path, "/iperf3.XXXXXX"));
+    } else {
+        strcpy(template, "/tmp/iperf3.XXXXXX");
+    }
 
     h_errno = 0;
 

src/iperf_api.h

@@ -88,6 +88,7 @@ double	iperf_get_test_stats_interval( struct iperf_test* ipt );
 int	iperf_get_test_num_streams( struct iperf_test* ipt );
 int	iperf_get_test_server_port( struct iperf_test* ipt );
 char*	iperf_get_test_server_hostname( struct iperf_test* ipt );
+char*	iperf_get_test_tmp_path( struct iperf_test* ipt );
 int	iperf_get_test_protocol_id( struct iperf_test* ipt );
 int	iperf_get_test_json_output( struct iperf_test* ipt );
 char*	iperf_get_test_json_output_string ( struct iperf_test* ipt );
@@ -113,6 +114,7 @@ void	iperf_set_test_socket_bufsize( struct iperf_test* ipt, int socket_bufsize )
 void	iperf_set_test_num_streams( struct iperf_test* ipt, int num_streams );
 void	iperf_set_test_role( struct iperf_test* ipt, char role );
 void	iperf_set_test_server_hostname( struct iperf_test* ipt, char* server_hostname );
+void    iperf_set_test_tmp_path( struct iperf_test *ipt, char *tmp_path );
 void	iperf_set_test_reverse( struct iperf_test* ipt, int reverse );
 void	iperf_set_test_json_output( struct iperf_test* ipt, int json_output );
 int	iperf_has_zerocopy( void );