Adding upstream version 0.8.0.upstream/0.8.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 64 insertions, 0 deletions

diff --git a/rtrlib/lib/ipv4.c b/rtrlib/lib/ipv4.c
new file mode 100644
index 0000000..d7f10e1
--- /dev/null
+++ b/rtrlib/lib/ipv4.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of RTRlib.
+ *
+ * This file is subject to the terms and conditions of the MIT license.
+ * See the file LICENSE in the top level directory for more details.
+ *
+ * Website: http://rtrlib.realmv6.org/
+ */
+
+#include "ipv4_private.h"
+
+#include "rtrlib/lib/convert_byte_order_private.h"
+#include "rtrlib/lib/utils_private.h"
+
+#include <assert.h>
+#include <stdio.h>
+
+struct lrtr_ipv4_addr lrtr_ipv4_get_bits(const struct lrtr_ipv4_addr *val, const uint8_t from, const uint8_t quantity)
+{
+	struct lrtr_ipv4_addr result;
+
+	result.addr = lrtr_get_bits(val->addr, from, quantity);
+	return result;
+}
+
+int lrtr_ipv4_addr_to_str(const struct lrtr_ipv4_addr *ip, char *str, unsigned int len)
+{
+	uint8_t buff[4];
+
+	buff[0] = ip->addr >> 24 & 0xff;
+	buff[1] = ip->addr >> 16 & 0xff;
+	buff[2] = ip->addr >> 8 & 0xff;
+	buff[3] = ip->addr & 0xff;
+
+	if (snprintf(str, len, "%hhu.%hhu.%hhu.%hhu", buff[0], buff[1], buff[2], buff[3]) < 0)
+		return -1;
+
+	return 0;
+}
+
+int lrtr_ipv4_str_to_addr(const char *str, struct lrtr_ipv4_addr *ip)
+{
+	uint8_t buff[4];
+
+	if (sscanf(str, "%3hhu.%3hhu.%3hhu.%3hhu", &buff[0], &buff[1], &buff[2], &buff[3]) != 4)
+		return -1;
+
+	ip->addr = buff[0] << 24 | buff[1] << 16 | buff[2] << 8 | buff[3];
+
+	return 0;
+}
+
+bool lrtr_ipv4_addr_equal(const struct lrtr_ipv4_addr *a, const struct lrtr_ipv4_addr *b)
+{
+	if (a->addr == b->addr)
+		return true;
+
+	return false;
+}
+
+void lrtr_ipv4_addr_convert_byte_order(const uint32_t src, uint32_t *dest, const enum target_byte_order tbo)
+{
+	*dest = lrtr_convert_long(tbo, src);
+}