diff options
Diffstat (limited to 'Source/CTest/Curl/inet_ntop.c')
-rw-r--r-- | Source/CTest/Curl/inet_ntop.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/Source/CTest/Curl/inet_ntop.c b/Source/CTest/Curl/inet_ntop.c deleted file mode 100644 index 6809a92..0000000 --- a/Source/CTest/Curl/inet_ntop.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Original code by Paul Vixie. "curlified" by Gisle Vanem. - */ - -#include "setup.h" - -#ifndef HAVE_INET_NTOP - -#ifdef HAVE_SYS_PARAM_H -#include <sys/param.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif -#ifdef HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif -#ifdef HAVE_ARPA_INET_H -#include <arpa/inet.h> -#endif -#include <string.h> -#include <errno.h> - -#define _MPRINTF_REPLACE /* use our functions only */ -#include <curl/mprintf.h> - -#include "inet_ntop.h" - -#if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL) -/* this platform has a inet_ntoa_r() function, but no proto declared anywhere - so we include our own proto to make compilers happy */ -#include "inet_ntoa_r.h" -#endif - -#define IN6ADDRSZ 16 -#define INADDRSZ 4 -#define INT16SZ 2 - -#ifdef WIN32 -#define EAFNOSUPPORT WSAEAFNOSUPPORT -#define SET_ERRNO(e) WSASetLastError(errno = (e)) -#else -#define SET_ERRNO(e) errno = e -#endif - -/* - * Format an IPv4 address, more or less like inet_ntoa(). - * - * Returns `dst' (as a const) - * Note: - * - uses no statics - * - takes a u_char* not an in_addr as input - */ -static const char *inet_ntop4 (const u_char *src, char *dst, size_t size) -{ -#ifdef HAVE_INET_NTOA_R - return inet_ntoa_r(*(struct in_addr*)src, dst, size); -#else - union { - const u_char* uch; - const struct in_addr* iad; - } srcaddr; - const char *addr; - srcaddr.uch = src; - addr = inet_ntoa(*srcaddr.iad); - - if (strlen(addr) >= size) - { - SET_ERRNO(ENOSPC); - return (NULL); - } - return strcpy(dst, addr); -#endif -} - -#ifdef ENABLE_IPV6 -/* - * Convert IPv6 binary address into presentation (printable) format. - */ -static const char *inet_ntop6 (const u_char *src, char *dst, size_t size) -{ - /* - * Note that int32_t and int16_t need only be "at least" large enough - * to contain a value of the specified size. On some systems, like - * Crays, there is no such thing as an integer variable with 16 bits. - * Keep this in mind if you think this function should have been coded - * to use pointer overlays. All the world's not a VAX. - */ - char tmp [sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")]; - char *tp; - struct { - long base; - long len; - } best, cur; - u_long words [IN6ADDRSZ / INT16SZ]; - int i; - - /* Preprocess: - * Copy the input (bytewise) array into a wordwise array. - * Find the longest run of 0x00's in src[] for :: shorthanding. - */ - memset(words, 0, sizeof(words)); - for (i = 0; i < IN6ADDRSZ; i++) - words[i/2] |= (src[i] << ((1 - (i % 2)) << 3)); - - best.base = -1; - cur.base = -1; - for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) - { - if (words[i] == 0) - { - if (cur.base == -1) - cur.base = i, cur.len = 1; - else - cur.len++; - } - else if (cur.base != -1) - { - if (best.base == -1 || cur.len > best.len) - best = cur; - cur.base = -1; - } - } - if ((cur.base != -1) && (best.base == -1 || cur.len > best.len)) - best = cur; - if (best.base != -1 && best.len < 2) - best.base = -1; - - /* Format the result. - */ - tp = tmp; - for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) - { - /* Are we inside the best run of 0x00's? - */ - if (best.base != -1 && i >= best.base && i < (best.base + best.len)) - { - if (i == best.base) - *tp++ = ':'; - continue; - } - - /* Are we following an initial run of 0x00s or any real hex? - */ - if (i != 0) - *tp++ = ':'; - - /* Is this address an encapsulated IPv4? - */ - if (i == 6 && best.base == 0 && - (best.len == 6 || (best.len == 5 && words[5] == 0xffff))) - { - if (!inet_ntop4(src+12, tp, sizeof(tmp) - (tp - tmp))) - { - SET_ERRNO(ENOSPC); - return (NULL); - } - tp += strlen(tp); - break; - } - tp += snprintf(tp, 5, "%lx", words[i]); - } - - /* Was it a trailing run of 0x00's? - */ - if (best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ)) - *tp++ = ':'; - *tp++ = '\0'; - - /* Check for overflow, copy, and we're done. - */ - if ((size_t)(tp - tmp) > size) - { - SET_ERRNO(ENOSPC); - return (NULL); - } - return strcpy (dst, tmp); -} -#endif /* ENABLE_IPV6 */ - -/* - * Convert a network format address to presentation format. - * - * Returns pointer to presentation format address (`dst'), - * Returns NULL on error (see errno). - */ -const char *Curl_inet_ntop(int af, const void *src, char *buf, size_t size) -{ - switch (af) { - case AF_INET: - return inet_ntop4((const u_char*)src, buf, size); -#ifdef ENABLE_IPV6 - case AF_INET6: - return inet_ntop6((const u_char*)src, buf, size); -#endif - default: - SET_ERRNO(EAFNOSUPPORT); - return NULL; - } -} -#endif /* HAVE_INET_NTOP */ |