1 /* 2 * Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <config.h> 35 36 #include "roken.h" 37 38 #ifdef HAVE_WINSOCK 39 40 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL 41 inet_pton(int af, const char *csrc, void *dst) 42 { 43 char * src; 44 45 if (csrc == NULL || (src = strdup(csrc)) == NULL) { 46 _set_errno( ENOMEM ); 47 return 0; 48 } 49 50 switch (af) { 51 case AF_INET: 52 { 53 struct sockaddr_in si4; 54 INT r; 55 INT s = sizeof(si4); 56 57 si4.sin_family = AF_INET; 58 r = WSAStringToAddress(src, AF_INET, NULL, (LPSOCKADDR) &si4, &s); 59 free(src); 60 src = NULL; 61 62 if (r == 0) { 63 memcpy(dst, &si4.sin_addr, sizeof(si4.sin_addr)); 64 return 1; 65 } 66 } 67 break; 68 69 case AF_INET6: 70 { 71 struct sockaddr_in6 si6; 72 INT r; 73 INT s = sizeof(si6); 74 75 si6.sin6_family = AF_INET6; 76 r = WSAStringToAddress(src, AF_INET6, NULL, (LPSOCKADDR) &si6, &s); 77 free(src); 78 src = NULL; 79 80 if (r == 0) { 81 memcpy(dst, &si6.sin6_addr, sizeof(si6.sin6_addr)); 82 return 1; 83 } 84 } 85 break; 86 87 default: 88 _set_errno( EAFNOSUPPORT ); 89 return -1; 90 } 91 92 /* the call failed */ 93 { 94 int le = WSAGetLastError(); 95 96 if (le == WSAEINVAL) 97 return 0; 98 99 _set_errno(le); 100 return -1; 101 } 102 } 103 104 #else /* !HAVE_WINSOCK */ 105 106 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL 107 inet_pton(int af, const char *src, void *dst) 108 { 109 if (af != AF_INET) { 110 errno = EAFNOSUPPORT; 111 return -1; 112 } 113 return inet_aton (src, dst); 114 } 115 116 #endif 117