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ReadHelpers: safer.

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This commit is contained in:
Alexey Milovidov 2011-05-27 18:46:29 +00:00
parent b219f5fbae
commit b57f60393e
1 changed files with 6 additions and 1 deletions
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7
dbms/include/DB/IO/ReadHelpers.h
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@ -222,7 +222,12 @@ void readQuotedString(String & s, ReadBuffer & buf);
inline void readDateText(Yandex::DayNum_t & date, ReadBuffer & buf) inline void readDateText(Yandex::DayNum_t & date, ReadBuffer & buf)
{ {
char s[10]; char s[10];
buf.read(s, 10); size_t size = buf.read(s, 10);
if (10 != size)
{
s[size] = 0;
throw Exception(std::string("Cannot parse date ") + s, ErrorCodes::CANNOT_PARSE_DATE);
}
UInt16 year = (s[0] - '0') * 1000 + (s[1] - '0') * 100 + (s[2] - '0') * 10 + (s[3] - '0'); UInt16 year = (s[0] - '0') * 1000 + (s[1] - '0') * 100 + (s[2] - '0') * 10 + (s[3] - '0');
UInt8 month = (s[5] - '0') * 10 + (s[6] - '0'); UInt8 month = (s[5] - '0') * 10 + (s[6] - '0');