version 1.51, 2005/05/20 08:58:48
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version 1.52, 2005/06/01 01:51:53
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Boolean isValid = false; | Boolean isValid = false; |
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if (isdigit(hostname[0])) |
if (isascii(hostname[0]) && isdigit(hostname[0])) |
{ | { |
//-------------------------------------------------------------- | //-------------------------------------------------------------- |
// Attempt to validate an IP address, but keep in mind that it | // Attempt to validate an IP address, but keep in mind that it |
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// If a non-digit is encountered in the input parameter, | // If a non-digit is encountered in the input parameter, |
// then break from here and attempt to validate as host name. | // then break from here and attempt to validate as host name. |
//---------------------------------------------------------- | //---------------------------------------------------------- |
if (!isdigit(hostname[i])) |
if (!(isascii(hostname[i]) && isdigit(hostname[i]))) |
{ | { |
isValid = false; | isValid = false; |
break; | break; |
} | } |
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while (isdigit(hostname[i])) // skip over digits |
// skip over digits |
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while (isascii(hostname[i]) && isdigit(hostname[i])) |
{ | { |
octetValue = octetValue*10 + (hostname[i] - '0'); | octetValue = octetValue*10 + (hostname[i] - '0'); |
i++; | i++; |
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expectHostSegment = false; | expectHostSegment = false; |
hostSegmentIsNumeric = true; // assume all-numeric host segment | hostSegmentIsNumeric = true; // assume all-numeric host segment |
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if (!isalnum(hostname[i])) |
if (!(isascii(hostname[i]) && isalnum(hostname[i]))) |
{ | { |
return false; | return false; |
} | } |
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while (isalnum(hostname[i]) || (hostname[i] == '-') || |
while (isascii(hostname[i]) && |
(hostname[i] == '_')) |
(isalnum(hostname[i]) || (hostname[i] == '-') || |
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(hostname[i] == '_'))) |
{ | { |
// If a non-digit is encountered, set "all-numeric" | // If a non-digit is encountered, set "all-numeric" |
// flag to false | // flag to false |
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if (hostname[i] == ':') | if (hostname[i] == ':') |
{ | { |
if (!isdigit(hostname[++i])) |
i++; |
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if (!(isascii(hostname[i]) && isdigit(hostname[i]))) |
{ | { |
return false; | return false; |
} | } |
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i++; |
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while (isdigit(hostname[++i])); |
while (isascii(hostname[i]) && isdigit(hostname[i])) |
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{ |
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i++; |
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} |
} | } |
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return (hostname[i] == char(0)); | return (hostname[i] == char(0)); |