From cd7b005519ade8ab6c97fcb21590b71b7d1be6e3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:54:46 +0200 Subject: Adding upstream version 0.8.0. Signed-off-by: Daniel Baumann --- rtrlib/lib/ipv4_private.h | 79 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 rtrlib/lib/ipv4_private.h (limited to 'rtrlib/lib/ipv4_private.h') diff --git a/rtrlib/lib/ipv4_private.h b/rtrlib/lib/ipv4_private.h new file mode 100644 index 0000000..73d0170 --- /dev/null +++ b/rtrlib/lib/ipv4_private.h @@ -0,0 +1,79 @@ +/* + * 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/ + */ + +#ifndef LRTR_IPV4_PRIVATE_H +#define LRTR_IPV4_PRIVATE_H + +#include "ipv4.h" + +#include "rtrlib/lib/convert_byte_order_private.h" + +#include +#include + +/** + * @brief Extracts number bits from the passed ipv4_addr, + * + * Starting at bit number from. The bit with the highest significance is bit 0. + * All bits that aren't in the specified range will be 0. + * + * @param[in] val ipv4_addr + * @param[in] from Position of the first bit that is extracted. + * @param[in] number How many bits will be extracted. + * + * @returns An ipv4_addr, with all bits not in the specified range set to 0. + */ +struct lrtr_ipv4_addr lrtr_ipv4_get_bits(const struct lrtr_ipv4_addr *val, const uint8_t from, const uint8_t number); + +/** + * @brief Converts ab IPv4 address from string to ipv4_addr struct. + * + * @param[in] str Pointer to a string buffer. + * @param[out] ip ipv4_addr + * + * @result 0 on success + * @result -1 on error + */ +int lrtr_ipv4_str_to_addr(const char *str, struct lrtr_ipv4_addr *ip); + +/** + * @brief Converts an ipv4_addr struct to its string representation. + * + * @param[in] ip ipv4_addr + * @param[out] str Pointer to a string buffer, of at least INET_ADDRSTRLEN. + * @param[in] length of *str + * + * @result 0 on success + * @result -1 on error + */ +int lrtr_ipv4_addr_to_str(const struct lrtr_ipv4_addr *ip, char *str, const unsigned int len); + +/** + * @brief Compares two ipv4_addr structs. + * + * @param[in] a ipv4_addr + * @param[in] b ipv4_addr + * + * @return true if a == b + * @return false if a != b + */ +bool lrtr_ipv4_addr_equal(const struct lrtr_ipv4_addr *a, const struct lrtr_ipv4_addr *b); + +/** + * @ingroup util_h[{ + * @brief Converts the passed IPv4 address to given byte order. + * + * @param[in] src IPv4 address in source byte order. + * @param[out] dest IPv4 address in target byte order. + * @param[in] tbo Target byte order for address conversion. + * } + */ +void lrtr_ipv4_addr_convert_byte_order(const uint32_t src, uint32_t *dest, const enum target_byte_order tbo); + +#endif -- cgit v1.2.3