diff options
Diffstat (limited to 'lib/mlibc/options/posix/generic/arpa-inet-stubs.cpp')
| -rw-r--r-- | lib/mlibc/options/posix/generic/arpa-inet-stubs.cpp | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/lib/mlibc/options/posix/generic/arpa-inet-stubs.cpp b/lib/mlibc/options/posix/generic/arpa-inet-stubs.cpp deleted file mode 100644 index 0bc9727..0000000 --- a/lib/mlibc/options/posix/generic/arpa-inet-stubs.cpp +++ /dev/null @@ -1,220 +0,0 @@ - -#include <arpa/inet.h> -#include <bits/ensure.h> -#include <stdlib.h> -#include <ctype.h> -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <mlibc/bitutil.hpp> -#include <mlibc/debug.hpp> - -const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT; -const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT; - -uint32_t htonl(uint32_t x) { -#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ - return mlibc::bit_util<uint32_t>::byteswap(x); -#else - return x; -#endif -} -uint16_t htons(uint16_t x) { -#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ - return mlibc::bit_util<uint16_t>::byteswap(x); -#else - return x; -#endif -} -uint32_t ntohl(uint32_t x) { -#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ - return mlibc::bit_util<uint32_t>::byteswap(x); -#else - return x; -#endif -} -uint16_t ntohs(uint16_t x) { -#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ - return mlibc::bit_util<uint16_t>::byteswap(x); -#else - return x; -#endif -} - -// ---------------------------------------------------------------------------- -// IPv4 address manipulation. -// ---------------------------------------------------------------------------- -in_addr_t inet_addr(const char *p) { - struct in_addr a; - if(!inet_aton(p, &a)) - return -1; - return a.s_addr; -} -char *inet_ntoa(struct in_addr addr) { - // string: xxx.yyy.zzz.aaa - // 4 * 3 + 3 + 1 = 12 + 4 = 16 - thread_local static char buffer[16]; - uint32_t proper = htonl(addr.s_addr); - snprintf(buffer, sizeof(buffer), "%d.%d.%d.%d", - (proper >> 24) & 0xff, ((proper >> 16) & 0xff), - (proper >> 8) & 0xff, proper & 0xff); - return buffer; -} -int inet_aton(const char *string, struct in_addr *dest) { - int array[4]; - int i = 0; - char *end; - - for (; i < 4; i++) { - array[i] = strtoul(string, &end, 0); - if (*end && *end != '.') - return 0; - if (!*end) - break; - string = end + 1; - } - - switch (i) { - case 0: - dest->s_addr = htonl(array[0]); - break; - case 1: - if (array[0] > 255 || array[1] > 0xffffff) - return 0; - dest->s_addr = htonl((array[0] << 24) | array[1]); - break; - case 2: - if (array[0] > 255 || array[1] > 255 || - array[2] > 0xffff) - return 0; - dest->s_addr = htonl((array[0] << 24) | (array[1] << 16) | - array[2]); - break; - case 3: - if (array[0] > 255 || array[1] > 255 || - array[2] > 255 || array[3] > 255) - return 0; - dest->s_addr = htonl((array[0] << 24) | (array[1] << 16) | - (array[2] << 8) | array[3]); - break; - } - - return 1; -} - -// ---------------------------------------------------------------------------- -// Generic IP address manipulation. -// ---------------------------------------------------------------------------- -const char *inet_ntop(int af, const void *__restrict src, char *__restrict dst, - socklen_t size) { - switch (af) { - case AF_INET: { - auto source = reinterpret_cast<const struct in_addr*>(src); - if (snprintf(dst, size, "%d.%d.%d.%d", - source->s_addr & 0xff, - (source->s_addr & 0xffff) >> 8, - (source->s_addr & 0xffffff) >> 16, - source->s_addr >> 24) < (int)size) - return dst; - break; - } - case AF_INET6: { - auto source = reinterpret_cast<const struct in6_addr*>(src); - size_t cur_zeroes_off = 0; - size_t cur_zeroes_len = 0; - size_t max_zeroes_off = 0; - size_t max_zeroes_len = 0; - - /* we look for the largest block of zeroed quartet(s) */ - for(size_t i = 0; i < 8; i++) { - auto ptr = source->s6_addr + (i * 2); - if(!ptr[0] && !ptr[1]) { - cur_zeroes_len++; - if(max_zeroes_len < cur_zeroes_len) { - max_zeroes_len = cur_zeroes_len; - max_zeroes_off = cur_zeroes_off; - } - } else { - /* advance the offset to the next quartet to check */ - cur_zeroes_len = 0; - cur_zeroes_off = i + 1; - } - } - - size_t off = 0; - for(size_t i = 0; i < 8; i++) { - auto ptr = source->s6_addr + (i * 2); - - /* if we are at the beginning of the largest block of zeroed quartets, place "::" */ - if(i == max_zeroes_off && max_zeroes_len >= 2) { - if(off < size) { - dst[off++] = ':'; - } - if(off < size) { - dst[off++] = ':'; - } - i += max_zeroes_len - 1; - - continue; - } - - /* place a colon if we're not at the beginning of the string and it is not already there */ - if(off && dst[off - 1] != ':') { - if(off < size) { - dst[off++] = ':'; - } - } - - off += snprintf(dst + off, size - off, "%x", ptr[0] << 8 | ptr[1]); - } - - dst[off] = 0; - - return dst; - } - default: - errno = EAFNOSUPPORT; - return NULL; - } - - errno = ENOSPC; - return NULL; -} -int inet_pton(int af, const char *__restrict src, void *__restrict dst) { - switch (af) { - case AF_INET: { - uint8_t array[4] = {}; - for (int i = 0; i < 4; i++) { - char *end; - long int value = strtol(src, &end, 10); - if (value > 255) - return 0; - if (*end != '\0' && *end != '.') - return 0; - src = end + 1; - array[i] = value; - } - auto addr = reinterpret_cast<struct in_addr*>(dst); - memcpy(&addr->s_addr, array, 4); - break; - } - case AF_INET6: - mlibc::infoLogger() << "inet_pton: ipv6 is not implemented!" << frg::endlog; - /* fallthrough */ - default: - errno = EAFNOSUPPORT; - return -1; - } - - return 1; -} - -struct in_addr inet_makeaddr(in_addr_t, in_addr_t) { - __ensure(!"Not implemented"); - __builtin_unreachable(); -} - -in_addr_t inet_netof(struct in_addr) { - __ensure(!"Not implemented"); - __builtin_unreachable(); -} |