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Diffstat (limited to 'nuttx/netutils/uiplib/uiplib.c')
-rw-r--r-- | nuttx/netutils/uiplib/uiplib.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/nuttx/netutils/uiplib/uiplib.c b/nuttx/netutils/uiplib/uiplib.c new file mode 100644 index 000000000..1b6f7528c --- /dev/null +++ b/nuttx/netutils/uiplib/uiplib.c @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2004, Adam Dunkels and the Swedish Institute of + * Computer Science. + * 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. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + * This file is part of the uIP TCP/IP stack + * + * $Id: uiplib.c,v 1.1.1.1 2007-08-26 23:07:05 patacongo Exp $ + * + */ + +#include <net/uip/uip.h> + +#include "uiplib.h" + +/*-----------------------------------------------------------------------------------*/ +unsigned char +uiplib_ipaddrconv(char *addrstr, unsigned char *ipaddr) +{ + unsigned char tmp; + char c; + unsigned char i, j; + + tmp = 0; + + for(i = 0; i < 4; ++i) { + j = 0; + do { + c = *addrstr; + ++j; + if(j > 4) { + return 0; + } + if(c == '.' || c == 0) { + *ipaddr = tmp; + ++ipaddr; + tmp = 0; + } else if(c >= '0' && c <= '9') { + tmp = (tmp * 10) + (c - '0'); + } else { + return 0; + } + ++addrstr; + } while(c != '.' && c != 0); + } + return 1; +} + +/*-----------------------------------------------------------------------------------*/ |