Mercurial > ecos
diff packages/redboot/current/src/net/inet_addr.c @ 115:6ed91473a1cd ecos-sw-2000-08-21
Merge from eCos master repository on 2000-08-21-22:40:54-BST
| author | jlarmour |
|---|---|
| date | Fri, 25 Aug 2000 17:32:38 +0000 |
| parents | |
| children | f0e3fb000de8 |
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new file mode 100644 --- /dev/null +++ b/packages/redboot/current/src/net/inet_addr.c @@ -0,0 +1,95 @@ +//========================================================================== +// +// net/inet_addr.c +// +// Stand-alone IP address parsing for RedBoot +// +//========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Red Hat eCos Public License +// Version 1.1 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://www.redhat.com/ +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Configurable Operating System, +// released September 30, 1998. +// +// The Initial Developer of the Original Code is Red Hat. +// Portions created by Red Hat are +// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. +// All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): gthomas +// Contributors: gthomas +// Date: 2000-07-14 +// Purpose: +// Description: +// +// This code is part of RedBoot (tm). +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#include <redboot.h> +#include <net/net.h> + +bool +inet_aton(char *s, in_addr_t *addr) +{ + int i, val, radix, digit; + unsigned long res = 0; + bool first; + char c; + + for (i = 0; i < 4; i++) { + // Parse next digit string + first = true; + val = 0; + radix = 10; + while ((c = *s++) != '\0') { + if (first && (c == '0') && (tolower(*s) == 'x')) { + radix = 16; + s++; // Skip over 0x + c = *s++; + } + first = false; + if (_is_hex(c) && ((digit = _from_hex(c)) < radix)) { + // Valid digit + val = (val * radix) + digit; + } else if (c == '.') { + break; + } else { + return false; + } + } + // merge result + res |= val << ((3-i)*8); // 24, 16, 8, 0 + } + addr->s_addr = htonl(res); + return true; +} + +// Assumes address is in network byte order +char * +inet_ntoa(in_addr_t *addr) +{ + static char str[32]; + unsigned char *ap; + + ap = (unsigned char *)addr; + sprintf(str, "%d.%d.%d.%d", ap[0], ap[1], ap[2], ap[3]); + return str; +}
