diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/network_io/unix/inet_ntop.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/network_io/unix/inet_ntop.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/network_io/unix/inet_ntop.c b/rubbos/app/httpd-2.0.64/srclib/apr/network_io/unix/inet_ntop.c deleted file mode 100644 index 78dd3baa..00000000 --- a/rubbos/app/httpd-2.0.64/srclib/apr/network_io/unix/inet_ntop.c +++ /dev/null @@ -1,243 +0,0 @@ -/* Copyright (c) 1996 by Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS - * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE - * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR - * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS - * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ - -#include "apr_private.h" -#include "apr_arch_networkio.h" -#include "apr_strings.h" - -#if APR_HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#if APR_HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif -#if APR_HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif -#if APR_HAVE_ARPA_INET_H -#include <arpa/inet.h> -#endif -#include <string.h> -#if APR_HAVE_ERRNO_H -#include <errno.h> -#endif -#include <stdio.h> - -#ifndef IN6ADDRSZ -#define IN6ADDRSZ 16 -#endif - -#ifndef INT16SZ -#define INT16SZ sizeof(apr_int16_t) -#endif - -#ifndef __P -#define __P(x) x -#endif - -#if !defined(EAFNOSUPPORT) && defined(WSAEAFNOSUPPORT) -#define EAFNOSUPPORT WSAEAFNOSUPPORT -#endif - -/* - * WARNING: Don't even consider trying to compile this on a system where - * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX. - */ - -static const char *inet_ntop4 __P((const unsigned char *src, char *dst, apr_size_t size)); -#if APR_HAVE_IPV6 -static const char *inet_ntop6 __P((const unsigned char *src, char *dst, apr_size_t size)); -#endif - -/* char * - * inet_ntop(af, src, dst, size) - * convert a network format address to presentation format. - * return: - * pointer to presentation format address (`dst'), or NULL (see errno). - * author: - * Paul Vixie, 1996. - */ -const char * -apr_inet_ntop(int af, const void *src, char *dst, apr_size_t size) -{ - switch (af) { - case AF_INET: - return (inet_ntop4(src, dst, size)); -#if APR_HAVE_IPV6 - case AF_INET6: - return (inet_ntop6(src, dst, size)); -#endif - default: - errno = EAFNOSUPPORT; - return (NULL); - } - /* NOTREACHED */ -} - -/* const char * - * inet_ntop4(src, dst, size) - * format an IPv4 address, more or less like inet_ntoa() - * return: - * `dst' (as a const) - * notes: - * (1) uses no statics - * (2) takes a u_char* not an in_addr as input - * author: - * Paul Vixie, 1996. - */ -static const char * -inet_ntop4(const unsigned char *src, char *dst, apr_size_t size) -{ - const apr_size_t MIN_SIZE = 16; /* space for 255.255.255.255\0 */ - int n = 0; - char *next = dst; - - if (size < MIN_SIZE) { - errno = ENOSPC; - return NULL; - } - do { - unsigned char u = *src++; - if (u > 99) { - *next++ = '0' + u/100; - u %= 100; - *next++ = '0' + u/10; - u %= 10; - } - else if (u > 9) { - *next++ = '0' + u/10; - u %= 10; - } - *next++ = '0' + u; - *next++ = '.'; - n++; - } while (n < 4); - *--next = 0; - return dst; -} - -#if APR_HAVE_IPV6 -/* const char * - * inet_ntop6(src, dst, size) - * convert IPv6 binary address into presentation (printable) format - * author: - * Paul Vixie, 1996. - */ -static const char * -inet_ntop6(const unsigned char *src, char *dst, apr_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"], *tp; - struct { int base, len; } best = {-1, 0}, cur = {-1, 0}; - unsigned int words[IN6ADDRSZ / INT16SZ]; - int i; - const unsigned char *next_src, *src_end; - unsigned int *next_dest; - - /* - * Preprocess: - * Copy the input (bytewise) array into a wordwise array. - * Find the longest run of 0x00's in src[] for :: shorthanding. - */ - next_src = src; - src_end = src + IN6ADDRSZ; - next_dest = words; - i = 0; - do { - unsigned int next_word = (unsigned int)*next_src++; - next_word <<= 8; - next_word |= (unsigned int)*next_src++; - *next_dest++ = next_word; - - if (next_word == 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; - } - } - - i++; - } while (next_src < src_end); - - if (cur.base != -1) { - if (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);) { - /* Are we inside the best run of 0x00's? */ - if (i == best.base) { - *tp++ = ':'; - i += best.len; - 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))) { - return (NULL); - } - tp += strlen(tp); - break; - } - tp += apr_snprintf(tp, sizeof tmp - (tp - tmp), "%x", words[i]); - 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 ((apr_size_t)(tp - tmp) > size) { - errno = ENOSPC; - return (NULL); - } - strcpy(dst, tmp); - return (dst); -} -#endif |