ucimap: add callback for validation/conversion and custom data type

[project/uci.git] / ucimap-example.c

diff --git a/ucimap-example.c b/ucimap-example.c
index ca55931..0ad31d6 100644 (file)
--- a/ucimap-example.c
+++ b/ucimap-example.c
@@ -26,7 +26,7 @@ struct uci_network {
        const char *name;
        const char *proto;
        const char *ifname;
-       const char *ipaddr;
+       unsigned char ipaddr[4];
        int test;
        bool enabled;
        struct ucimap_list *aliases;
@@ -40,6 +40,23 @@ struct uci_alias {
 };
 
 static int
+network_parse_ip(void *section, struct uci_optmap *om, union ucimap_data *data, const char *str)
+{
+       struct uci_network *net = section;
+       unsigned char *target = data->s;
+       unsigned int tmp[4];
+       int i;
+
+       if (sscanf(str, "%d.%d.%d.%d", &tmp[0], &tmp[1], &tmp[2], &tmp[3]) != 4)
+               return -1;
+
+       for (i = 0; i < 4; i++)
+               target[i] = (char) tmp[i];
+
+       return 0;
+}
+
+static int
 network_init_interface(struct uci_map *map, void *section, struct uci_section *s)
 {
        struct uci_network *net = section;
@@ -109,8 +126,9 @@ static struct my_optmap network_interface_options[] = {
        {
                .map = {
                        UCIMAP_OPTION(struct uci_network, ipaddr),
-                       .type = UCIMAP_STRING,
+                       .type = UCIMAP_CUSTOM,
                        .name = "ipaddr",
+                       .parse = network_parse_ip,
                }
        },
        {
@@ -196,13 +214,14 @@ int main(int argc, char **argv)
                printf("New network section '%s'\n"
                        "       type: %s\n"
                        "       ifname: %s\n"
-                       "       ipaddr: %s\n"
+                       "       ipaddr: %d.%d.%d.%d\n"
                        "       test: %d\n"
                        "       enabled: %s\n",
                        net->name,
                        net->proto,
                        net->ifname,
-                       net->ipaddr,
+                       net->ipaddr[0], net->ipaddr[1],
+                       net->ipaddr[2], net->ipaddr[3],
                        net->test,
                        (net->enabled ? "on" : "off"));