Use `tox_options_set_*` instead of direct member access.

Also added a `tox_options_copy` function for cloning an options object.
This can be useful when creating several Tox instances with slightly
varying options.

1 files changed, 102 insertions, 0 deletions

diff --git a/toxcore/tox_api.c b/toxcore/tox_api.c
new file mode 100644
index 00000000..af93bef4
--- /dev/null
+++ b/toxcore/tox_api.c
@@ -0,0 +1,102 @@
+#include "tox.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#define SET_ERROR_PARAMETER(param, x) {if(param) {*param = x;}}
+
+
+#define CONST_FUNCTION(lowercase, uppercase) \
+uint32_t tox_##lowercase(void) \
+{ \
+    return TOX_##uppercase; \
+}
+
+CONST_FUNCTION(version_major, VERSION_MAJOR)
+CONST_FUNCTION(version_minor, VERSION_MINOR)
+CONST_FUNCTION(version_patch, VERSION_PATCH)
+CONST_FUNCTION(public_key_size, PUBLIC_KEY_SIZE)
+CONST_FUNCTION(secret_key_size, SECRET_KEY_SIZE)
+CONST_FUNCTION(address_size, ADDRESS_SIZE)
+CONST_FUNCTION(max_name_length, MAX_NAME_LENGTH)
+CONST_FUNCTION(max_status_message_length, MAX_STATUS_MESSAGE_LENGTH)
+CONST_FUNCTION(max_friend_request_length, MAX_FRIEND_REQUEST_LENGTH)
+CONST_FUNCTION(max_message_length, MAX_MESSAGE_LENGTH)
+CONST_FUNCTION(max_custom_packet_size, MAX_CUSTOM_PACKET_SIZE)
+CONST_FUNCTION(hash_length, HASH_LENGTH)
+CONST_FUNCTION(file_id_length, FILE_ID_LENGTH)
+CONST_FUNCTION(max_filename_length, MAX_FILENAME_LENGTH)
+
+
+#define ACCESSORS(type, ns, name) \
+type tox_options_get_##ns##name(const struct Tox_Options *options) \
+{ \
+    return options->ns##name; \
+} \
+void tox_options_set_##ns##name(struct Tox_Options *options, type name) \
+{ \
+    options->ns##name = name; \
+}
+
+ACCESSORS(bool, , ipv6_enabled)
+ACCESSORS(bool, , udp_enabled)
+ACCESSORS(TOX_PROXY_TYPE, proxy_ , type)
+ACCESSORS(const char *, proxy_ , host)
+ACCESSORS(uint16_t, proxy_ , port)
+ACCESSORS(uint16_t, , start_port)
+ACCESSORS(uint16_t, , end_port)
+ACCESSORS(uint16_t, , tcp_port)
+ACCESSORS(bool, , hole_punching_enabled)
+ACCESSORS(TOX_SAVEDATA_TYPE, savedata_, type)
+ACCESSORS(size_t, savedata_, length)
+ACCESSORS(tox_log_cb *, log_, callback)
+ACCESSORS(void *, log_, user_data)
+ACCESSORS(bool, , local_discovery_enabled)
+
+const uint8_t *tox_options_get_savedata_data(const struct Tox_Options *options)
+{
+    return options->savedata_data;
+}
+
+void tox_options_set_savedata_data(struct Tox_Options *options, const uint8_t *data, size_t length)
+{
+    options->savedata_data = data;
+    options->savedata_length = length;
+}
+
+void tox_options_default(struct Tox_Options *options)
+{
+    if (options) {
+        struct Tox_Options default_options = { 0 };
+        *options = default_options;
+        tox_options_set_ipv6_enabled(options, true);
+        tox_options_set_udp_enabled(options, true);
+        tox_options_set_proxy_type(options, TOX_PROXY_TYPE_NONE);
+        tox_options_set_hole_punching_enabled(options, true);
+        tox_options_set_local_discovery_enabled(options, true);
+    }
+}
+
+struct Tox_Options *tox_options_new(TOX_ERR_OPTIONS_NEW *error)
+{
+    struct Tox_Options *options = (struct Tox_Options *)malloc(sizeof(struct Tox_Options));
+
+    if (options) {
+        tox_options_default(options);
+        SET_ERROR_PARAMETER(error, TOX_ERR_OPTIONS_NEW_OK);
+        return options;
+    }
+
+    SET_ERROR_PARAMETER(error, TOX_ERR_OPTIONS_NEW_MALLOC);
+    return NULL;
+}
+
+void tox_options_copy(struct Tox_Options *lhs, const struct Tox_Options *rhs)
+{
+    *lhs = *rhs;
+}
+
+void tox_options_free(struct Tox_Options *options)
+{
+    free(options);
+}