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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-07-28 09:30:20 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-07-28 09:30:20 +0100 |
| commit | 661299d9d0437a0ff72240f3d60016ac3a361a6e (patch) | |
| tree | 765512576314fc3612b503f182b9ae4e60fcf849 /net/core/utils.c | |
| parent | 05caac585f8abd6c0113856bc8858e3ef214d8a6 (diff) | |
| parent | 41c018b7ecb60b1c2c4d5dee0cd37d32a94c45af (diff) | |
| download | kernel-crypto-661299d9d0437a0ff72240f3d60016ac3a361a6e.tar.gz kernel-crypto-661299d9d0437a0ff72240f3d60016ac3a361a6e.tar.xz kernel-crypto-661299d9d0437a0ff72240f3d60016ac3a361a6e.zip | |
Merge with Linus' 2.6 tree
Diffstat (limited to 'net/core/utils.c')
| -rw-r--r-- | net/core/utils.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/net/core/utils.c b/net/core/utils.c index e11a8654f36..88eb8b68e26 100644 --- a/net/core/utils.c +++ b/net/core/utils.c @@ -23,10 +23,10 @@ #include <linux/percpu.h> #include <linux/init.h> +#include <asm/byteorder.h> #include <asm/system.h> #include <asm/uaccess.h> - /* This is a maximally equidistributed combined Tausworthe generator based on code from GNU Scientific Library 1.5 (30 Jun 2004) @@ -153,3 +153,38 @@ int net_ratelimit(void) EXPORT_SYMBOL(net_random); EXPORT_SYMBOL(net_ratelimit); EXPORT_SYMBOL(net_srandom); + +/* + * Convert an ASCII string to binary IP. + * This is outside of net/ipv4/ because various code that uses IP addresses + * is otherwise not dependent on the TCP/IP stack. + */ + +__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); |