6b0baa2a8d
String argument to WSAStringToAddress() is not const, while argument to inet_pton() is. Create a non-const string for the purpose of calling WSAStringToAddress()
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
/*
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* Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <config.h>
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#include "roken.h"
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#ifdef HAVE_WINSOCK
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ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
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inet_pton(int af, const char *csrc, void *dst)
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{
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char * src;
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if (csrc == NULL || (src = strdup(csrc)) == NULL) {
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_set_errno( ENOMEM );
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return 0;
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}
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switch (af) {
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case AF_INET:
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{
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struct sockaddr_in si4;
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INT r;
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INT s = sizeof(si4);
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si4.sin_family = AF_INET;
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r = WSAStringToAddress(src, AF_INET, NULL, (LPSOCKADDR) &si4, &s);
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free(src);
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src = NULL;
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if (r == 0) {
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memcpy(dst, &si4.sin_addr, sizeof(si4.sin_addr));
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return 1;
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}
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}
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break;
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case AF_INET6:
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{
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struct sockaddr_in6 si6;
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INT r;
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INT s = sizeof(si6);
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si6.sin6_family = AF_INET6;
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r = WSAStringToAddress(src, AF_INET6, NULL, (LPSOCKADDR) &si6, &s);
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free(src);
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src = NULL;
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if (r == 0) {
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memcpy(dst, &si6.sin6_addr, sizeof(si6.sin6_addr));
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return 1;
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}
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}
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break;
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default:
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_set_errno( EAFNOSUPPORT );
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return -1;
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}
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/* the call failed */
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{
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int le = WSAGetLastError();
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if (le == WSAEINVAL)
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return 0;
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_set_errno(le);
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return -1;
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}
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}
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#else /* !HAVE_WINSOCK */
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ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
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inet_pton(int af, const char *src, void *dst)
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{
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if (af != AF_INET) {
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errno = EAFNOSUPPORT;
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return -1;
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}
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return inet_aton (src, dst);
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}
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#endif
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