diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/cstdlib/LPOSIX/ARPA.C --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/ossrv/genericopenlibs/cstdlib/LPOSIX/ARPA.C Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,261 @@ +/* ARPA.C + * + * Portions Copyright (c) 1997-1999 Nokia Corporation and/or its subsidiary(-ies). + * All rights reserved. + */ + +/* + * Implementation of the ARPA/INET.H functions, based on FreeBSD. + */ + +/* + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * Portions Copyright (c) 1993 by Digital Equipment Corporation. + * + * 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, and that + * the name of Digital Equipment Corporation not be used in advertising or + * publicity pertaining to distribution of the document or software without + * specific, written prior permission. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT + * CORPORATION 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. + * - + * --Copyright-- + */ + +#include +#include +#include +#include +#include +#include + + +/** +Ascii internet address interpretation routine. +@return The value returned is in network order. +@param cp ascii representation of an Internet address +*/ +EXPORT_C unsigned long inet_addr(const char *cp) +{ + struct in_addr val; + + if (inet_aton(cp, &val)) + return (val.s_addr); + return (INADDR_NONE); +} + +/** +Check whether "cp" is a valid ascii representation +of an Internet address and convert to a binary address. +This replaces inet_addr, the return value from which +cannot distinguish between failure and a local broadcast address. +@return 1 if the address is valid, 0 if not. +@param cp ascii representation of an Internet address +@param addr internet address +*/ +EXPORT_C int inet_aton(const char* cp, struct in_addr* addr) +{ + unsigned long val; + int base, n; + char c; + unsigned int parts[4]; + unsigned int *pp = parts; + + c = *cp; + for (;;) { + /* + * Collect number up to ``.''. + * Values are specified as for C: + * 0x=hex, 0=octal, isdigit=decimal. + */ + if (!isdigit(c)) + return (0); + val = 0; base = 10; + if (c == '0') { + c = *++cp; + if (c == 'x' || c == 'X') + base = 16, c = *++cp; + else + base = 8; + } + for (;;) { + if (isascii(c) && isdigit(c)) { + val = (val * base) + (c - '0'); + c = *++cp; + } else if (base == 16 && isascii(c) && isxdigit(c)) { + val = (val << 4) | + (c + 10 - (islower(c) ? 'a' : 'A')); + c = *++cp; + } else + break; + } + if (c == '.') { + /* + * Internet format: + * a.b.c.d + * a.b.c (with c treated as 16 bits) + * a.b (with b treated as 24 bits) + */ + if (pp >= parts + 3) + return (0); + if (val > 0xff) /* Check 8-bit a, b, c */ + return (0); + *pp++ = val; + c = *++cp; + } else + break; + } + /* + * Check for trailing characters. + */ + if (c != '\0' && (!isascii(c) || !isspace(c))) + return (0); + /* + * Concoct the address according to + * the number of parts specified. + */ + n = pp - parts + 1; + switch (n) { + + case 0: + return (0); /* initial nondigit */ + + case 1: /* a -- 32 bits */ + break; + + case 2: /* a.b -- 8.24 bits */ + if (val > 0xffffff) + return (0); + val |= parts[0] << 24; + break; + + case 3: /* a.b.c -- 8.8.16 bits */ + if (val > 0xffff) + return (0); + val |= (parts[0] << 24) | (parts[1] << 16); + break; + + case 4: /* a.b.c.d -- 8.8.8.8 bits */ + if (val > 0xff) + return (0); + val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); + break; + } + if (addr) + addr->s_addr = htonl(val); + return (1); +} + +/* + * Convert network-format internet address + * to base 256 d.d.d.d representation. + */ +EXPORT_C char* _inet_ntoa_r(struct _reent* rp, struct in_addr in) +{ + unsigned char* p = (unsigned char *)∈ + _sprintf_r(rp, rp->_tmpnam, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]); + return rp->_tmpnam; +} + +#ifndef _REENT_ONLY + +EXPORT_C char* inet_ntoa(struct in_addr in) +{ + return _inet_ntoa_r(_REENT,in); +} + +#endif /* _REENT_ONLY */ + +/** +Return the local network address portion of an +internet address; handles class a/b/c network +number formats. +@return the local network address portion of an +internet address +@param in +*/ +EXPORT_C unsigned long inet_lnaof(struct in_addr in) +{ + register unsigned long i = ntohl(in.s_addr); + + if (IN_CLASSA(i)) + return ((i)&IN_CLASSA_HOST); + else if (IN_CLASSB(i)) + return ((i)&IN_CLASSB_HOST); + else + return ((i)&IN_CLASSC_HOST); +} + +/** +@return the network number from an internet +address; handles class a/b/c network #'s. +@param in +*/ +EXPORT_C unsigned long inet_netof(struct in_addr in) +{ + unsigned long i = ntohl(in.s_addr); + + if (IN_CLASSA(i)) + return (((i)&IN_CLASSA_NET) >> IN_CLASSA_NSHIFT); + else if (IN_CLASSB(i)) + return (((i)&IN_CLASSB_NET) >> IN_CLASSB_NSHIFT); + else + return (((i)&IN_CLASSC_NET) >> IN_CLASSC_NSHIFT); +} + +/** Formulate an Internet address from network + host. +*/ +EXPORT_C struct in_addr inet_makeaddr(unsigned long net, unsigned long host) +{ + unsigned long addr; + + if (net < IN_CLASSA_MAX) + addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST); + else if (net < IN_CLASSB_MAX) + addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST); + else if (net < IN_CLASSC_MAX) + addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST); + else + addr = net | host; + addr = htonl(addr); + return (*(struct in_addr *)&addr); +} +