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60 lines
1.3 KiB
60 lines
1.3 KiB
20 years ago
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/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* Various kernel-resident INET utility functions; mainly
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* for format conversion and debugging output.
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*
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* Version: $Id: utils.c,v 1.8 2000/10/03 07:29:01 anton Exp $
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*
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* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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*
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* Fixes:
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* Alan Cox : verify_area check.
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* Alan Cox : removed old debugging.
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* Andi Kleen : add net_ratelimit()
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <asm/byteorder.h>
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/*
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* Convert an ASCII string to binary IP.
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*/
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__u32 in_aton(const char *str)
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{
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unsigned long l;
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unsigned int val;
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int i;
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l = 0;
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for (i = 0; i < 4; i++)
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{
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l <<= 8;
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if (*str != '\0')
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{
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val = 0;
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while (*str != '\0' && *str != '.')
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{
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val *= 10;
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val += *str - '0';
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str++;
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}
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l |= val;
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if (*str != '\0')
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str++;
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}
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}
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return(htonl(l));
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}
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EXPORT_SYMBOL(in_aton);
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