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net: core: use kernel's converter from hex to bin

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Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Shevchenko
2010-09-20 20:40:26 +00:00
committed by David S. Miller
parent 66bb16de6b
commit 82fd5b5d1e
2 changed files with 11 additions and 12 deletions
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13
net/core/utils.c
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@ -92,18 +92,19 @@ EXPORT_SYMBOL(in_aton);
static inline int xdigit2bin(char c, int delim)
{
int val;
if (c == delim || c == '\0')
return IN6PTON_DELIM;
if (c == ':')
return IN6PTON_COLON_MASK;
if (c == '.')
return IN6PTON_DOT;
if (c >= '0' && c <= '9')
return (IN6PTON_XDIGIT | IN6PTON_DIGIT| (c - '0'));
if (c >= 'a' && c <= 'f')
return (IN6PTON_XDIGIT | (c - 'a' + 10));
if (c >= 'A' && c <= 'F')
return (IN6PTON_XDIGIT | (c - 'A' + 10));
val = hex_to_bin(c);
if (val >= 0)
return val | IN6PTON_XDIGIT | (val < 10 ? IN6PTON_DIGIT : 0);
if (delim == -1)
return IN6PTON_DELIM;
return IN6PTON_UNKNOWN;