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Diffstat (limited to 'net/ipv4/utils.c')
| -rw-r--r-- | net/ipv4/utils.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/net/ipv4/utils.c b/net/ipv4/utils.c new file mode 100644 index 00000000000..6aecd7a4353 --- /dev/null +++ b/net/ipv4/utils.c @@ -0,0 +1,59 @@ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Various kernel-resident INET utility functions; mainly + * for format conversion and debugging output. + * + * Version: $Id: utils.c,v 1.8 2000/10/03 07:29:01 anton Exp $ + * + * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * + * Fixes: + * Alan Cox : verify_area check. + * Alan Cox : removed old debugging. + * Andi Kleen : add net_ratelimit() + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <asm/byteorder.h> + +/* + * Convert an ASCII string to binary IP. + */ + +__u32 in_aton(const char *str) +{ + unsigned long l; + unsigned int val; + int i; + + l = 0; + for (i = 0; i < 4; i++) + { + l <<= 8; + if (*str != '\0') + { + val = 0; + while (*str != '\0' && *str != '.') + { + val *= 10; + val += *str - '0'; + str++; + } + l |= val; + if (*str != '\0') + str++; + } + } + return(htonl(l)); +} + +EXPORT_SYMBOL(in_aton); |