ddnet/src/engine/server/sql_string_helpers.cpp

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#include <cmath>
#include <cstring>
#include <ctime>
#include <base/system.h>
#include "sql_string_helpers.h"
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void sqlstr::FuzzyString(char *pString, int size)
{
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char * newString = new char [size * 4 - 1];
int pos = 0;
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for(int i = 0; i < size; i++)
{
if(!pString[i])
break;
newString[pos++] = pString[i];
if (pString[i] != '\\' && str_utf8_isstart(pString[i+1]))
newString[pos++] = '%';
}
newString[pos] = '\0';
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str_copy(pString, newString, size);
delete [] newString;
}
// anti SQL injection
void sqlstr::ClearString(char *pString, int size)
{
char *newString = new char [size * 2 - 1];
int pos = 0;
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for(int i = 0; i < size; i++)
{
if(pString[i] == '\\')
{
newString[pos++] = '\\';
newString[pos++] = '\\';
}
else if(pString[i] == '\'')
{
newString[pos++] = '\\';
newString[pos++] = '\'';
}
else if(pString[i] == '"')
{
newString[pos++] = '\\';
newString[pos++] = '"';
}
else
{
newString[pos++] = pString[i];
}
}
newString[pos] = '\0';
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str_copy(pString, newString, size);
delete [] newString;
}
void sqlstr::agoTimeToString(int agoTime, char agoString[])
{
char aBuf[20];
int times[7] =
{
60 * 60 * 24 * 365 ,
60 * 60 * 24 * 30 ,
60 * 60 * 24 * 7,
60 * 60 * 24 ,
60 * 60 ,
60 ,
1
};
char names[7][6] =
{
"year",
"month",
"week",
"day",
"hour",
"min",
"sec"
};
int seconds = 0;
char name[6];
int count = 0;
int i = 0;
// finding biggest match
for(i = 0; i<7; i++)
{
seconds = times[i];
strcpy(name, names[i]);
count = floor((float)agoTime/(float)seconds);
if(count != 0)
{
break;
}
}
if(count == 1)
{
str_format(aBuf, sizeof(aBuf), "%d %s", 1 , name);
}
else
{
str_format(aBuf, sizeof(aBuf), "%d %ss", count , name);
}
strcat(agoString, aBuf);
if (i + 1 < 7)
{
// getting second piece now
int seconds2 = times[i+1];
char name2[6];
strcpy(name2, names[i+1]);
// add second piece if it's greater than 0
int count2 = floor((float)(agoTime - (seconds * count)) / (float)seconds2);
if (count2 != 0)
{
if(count2 == 1)
{
str_format(aBuf, sizeof(aBuf), " and %d %s", 1 , name2);
}
else
{
str_format(aBuf, sizeof(aBuf), " and %d %ss", count2 , name2);
}
strcat(agoString, aBuf);
}
}
}
void sqlstr::getTimeStamp(char* dest, unsigned int size)
{
std::time_t rawtime;
std::time(&rawtime);
str_timestamp_ex(rawtime, dest, size, "%Y-%m-%d %H:%M:%S");
}