diff options
Diffstat (limited to 'src/backend/utils/adt/inet_net_ntop.c')
| -rw-r--r-- | src/backend/utils/adt/inet_net_ntop.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/src/backend/utils/adt/inet_net_ntop.c b/src/backend/utils/adt/inet_net_ntop.c deleted file mode 100644 index c0d782ec089..00000000000 --- a/src/backend/utils/adt/inet_net_ntop.c +++ /dev/null @@ -1,219 +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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static const char rcsid[] = "$Id: inet_net_ntop.c,v 1.11 2001/10/25 05:49:44 momjian Exp $"; -#endif - -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> - -#include <errno.h> - -#include "postgres.h" -#include "utils/builtins.h" - -#ifdef SPRINTF_CHAR -#define SPRINTF(x) strlen(sprintf/**/x) -#else -#define SPRINTF(x) ((size_t)sprintf x) -#endif - -static char *inet_net_ntop_ipv4(const u_char *src, int bits, - char *dst, size_t size); -static char *inet_cidr_ntop_ipv4(const u_char *src, int bits, - char *dst, size_t size); - -/* - * char * - * inet_cidr_ntop(af, src, bits, dst, size) - * convert network number from network to presentation format. - * generates CIDR style result always. - * return: - * pointer to dst, or NULL if an error occurred (check errno). - * author: - * Paul Vixie (ISC), July 1996 - */ -char * -inet_cidr_ntop(int af, const void *src, int bits, char *dst, size_t size) -{ - switch (af) - { - case AF_INET: - return (inet_cidr_ntop_ipv4(src, bits, dst, size)); - default: - errno = EAFNOSUPPORT; - return (NULL); - } -} - - -/* - * static char * - * inet_cidr_ntop_ipv4(src, bits, dst, size) - * convert IPv4 network number from network to presentation format. - * generates CIDR style result always. - * return: - * pointer to dst, or NULL if an error occurred (check errno). - * note: - * network byte order assumed. this means 192.5.5.240/28 has - * 0x11110000 in its fourth octet. - * author: - * Paul Vixie (ISC), July 1996 - */ -static char * -inet_cidr_ntop_ipv4(const u_char *src, int bits, char *dst, size_t size) -{ - char *odst = dst; - char *t; - u_int m; - int b; - - if (bits < 0 || bits > 32) - { - errno = EINVAL; - return (NULL); - } - if (bits == 0) - { - if (size < sizeof "0") - goto emsgsize; - *dst++ = '0'; - *dst = '\0'; - } - - /* Format whole octets. */ - for (b = bits / 8; b > 0; b--) - { - if (size < sizeof ".255") - goto emsgsize; - t = dst; - if (dst != odst) - *dst++ = '.'; - dst += SPRINTF((dst, "%u", *src++)); - size -= (size_t) (dst - t); - } - - /* Format partial octet. */ - b = bits % 8; - if (b > 0) - { - if (size < sizeof ".255") - goto emsgsize; - t = dst; - if (dst != odst) - *dst++ = '.'; - m = ((1 << b) - 1) << (8 - b); - dst += SPRINTF((dst, "%u", *src & m)); - size -= (size_t) (dst - t); - } - - /* Format CIDR /width. */ - if (size < sizeof "/32") - goto emsgsize; - dst += SPRINTF((dst, "/%u", bits)); - - return (odst); - -emsgsize: - errno = EMSGSIZE; - return (NULL); -} - - -/* - * char * - * inet_net_ntop(af, src, bits, dst, size) - * convert host/network address from network to presentation format. - * "src"'s size is determined from its "af". - * return: - * pointer to dst, or NULL if an error occurred (check errno). - * note: - * 192.5.5.1/28 has a nonzero host part, which means it isn't a network - * as called for by inet_net_pton() but it can be a host address with - * an included netmask. - * author: - * Paul Vixie (ISC), October 1998 - */ -char * -inet_net_ntop(int af, const void *src, int bits, char *dst, size_t size) -{ - switch (af) - { - case AF_INET: - return (inet_net_ntop_ipv4(src, bits, dst, size)); - default: - errno = EAFNOSUPPORT; - return (NULL); - } -} - -/* - * static char * - * inet_net_ntop_ipv4(src, bits, dst, size) - * convert IPv4 network address from network to presentation format. - * "src"'s size is determined from its "af". - * return: - * pointer to dst, or NULL if an error occurred (check errno). - * note: - * network byte order assumed. this means 192.5.5.240/28 has - * 0b11110000 in its fourth octet. - * author: - * Paul Vixie (ISC), October 1998 - */ -static char * -inet_net_ntop_ipv4(const u_char *src, int bits, char *dst, size_t size) -{ - char *odst = dst; - char *t; - int len = 4; - int b; - - if (bits < 0 || bits > 32) - { - errno = EINVAL; - return (NULL); - } - - /* Always format all four octets, regardless of mask length. */ - for (b = len; b > 0; b--) - { - if (size < sizeof ".255") - goto emsgsize; - t = dst; - if (dst != odst) - *dst++ = '.'; - dst += SPRINTF((dst, "%u", *src++)); - size -= (size_t) (dst - t); - } - - /* don't print masklen if 32 bits */ - if (bits != 32) - { - if (size < sizeof "/32") - goto emsgsize; - dst += SPRINTF((dst, "/%u", bits)); - } - - return (odst); - -emsgsize: - errno = EMSGSIZE; - return (NULL); -} |