diff options
Diffstat (limited to 'lib/libpthread/net/inet_network.c')
-rw-r--r-- | lib/libpthread/net/inet_network.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/libpthread/net/inet_network.c b/lib/libpthread/net/inet_network.c new file mode 100644 index 00000000000..4f443c2535c --- /dev/null +++ b/lib/libpthread/net/inet_network.c @@ -0,0 +1,98 @@ +/* + * Copyright (c) 1983 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)inet_network.c 5.8 (Berkeley) 2/24/91";*/ +static char *rcsid = "$Id: inet_network.c,v 1.1 1998/07/21 13:19:46 peter Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <pthread.h> +#include <sys/types.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <ctype.h> + +#ifndef INADDR_NONE +#define INADDR_NONE 0xffffffff +#endif +/* + * Internet network address interpretation routine. + * The library routines call this routine to interpret + * network numbers. + */ +pthread_ipaddr_type +inet_network(cp) + register const char *cp; +{ + pthread_ipaddr_type parts[4], *pp = parts; + pthread_ipaddr_type val, base, n; + register char c; + register int i; + +again: + val = 0; base = 10; + if (*cp == '0') + base = 8, cp++; + if (*cp == 'x' || *cp == 'X') + base = 16, cp++; + while (c = *cp) { + if (isdigit(c)) { + val = (val * base) + (c - '0'); + cp++; + continue; + } + if (base == 16 && isxdigit(c)) { + val = (val << 4) + (c + 10 - (islower(c) ? 'a' : 'A')); + cp++; + continue; + } + break; + } + if (*cp == '.') { + if (pp >= parts + 4) + return (INADDR_NONE); + *pp++ = val, cp++; + goto again; + } + if (*cp && !isspace(*cp)) + return (INADDR_NONE); + *pp++ = val; + n = pp - parts; + if (n > 4) + return (INADDR_NONE); + for (val = 0, i = 0; i < n; i++) { + val <<= 8; + val |= parts[i] & 0xff; + } + return (val); +} |