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Fixed gw_hex2bin: problems calling char_val.

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If we want tu use a compact implementation, we should use


static inline uint8 char_val(uint8 X)
{
  return (uint) (X >= '0' && X <= '9' ? X-'0' :
      X >= 'A' && X <= 'Z' ? X-'A'+10 : X-'a'+10);
}
This commit is contained in:
Massimiliano Pinto 2013-06-24 13:43:01 +02:00
parent aeda47c69d
commit 41ddbbea97
1 changed files with 7 additions and 2 deletions
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9
core/utils.c
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@ -703,8 +703,13 @@ int gw_hex2bin(uint8_t *out, const char *in, unsigned int len) {
}
while (in < in_end) {
register char tmp_ptr = char_val(*in++);
*out++= (tmp_ptr << 4) | char_val(*in++);
register unsigned char b1 = char_val(*in);
uint8_t b2 = 0;
in++;
b2 = (b1 << 4) | char_val(*in);
*out++ = b2;
in++;
}
return 0;