Added stream encryption/decryption.

[stg.git] / stglibs / common.lib / common.cpp

diff --git a/stglibs/common.lib/common.cpp b/stglibs/common.lib/common.cpp
index c02f675c943c9c93abd6cbb9407eda1d1d84ea32..fb6cdbb109a39e76345315503eebb2f28a060d5e 100644 (file)
--- a/stglibs/common.lib/common.cpp
+++ b/stglibs/common.lib/common.cpp
@@ -274,10 +274,9 @@ return str;
 //---------------------------------------------------------------------------
 void KOIToWin(const char * s1, char * s2, int l)
 {
-unsigned char t;
 for (int j = 0; j < l; j++)
     {
-    t = s1[j];
+    unsigned char t = s1[j];
     s2[j] = koi2win[t];
 
     if (s1[j] == 0)
@@ -287,10 +286,9 @@ for (int j = 0; j < l; j++)
 //---------------------------------------------------------------------------
 void WinToKOI(const char * s1, char * s2, int l)
 {
-unsigned char t;
 for (int j = 0; j < l; j++)
     {
-    t = s1[j];
+    unsigned char t = s1[j];
     s2[j] = win2koi[t];
 
     if (s1[j] == 0)
@@ -301,11 +299,10 @@ for (int j = 0; j < l; j++)
 void KOIToWin(const std::string & s1, std::string * s2)
 {
 s2->erase(s2->begin(), s2->end());
-unsigned char t;
 s2->reserve(s1.length());
 for (int j = 0; j < (int)s1.length(); j++)
     {
-    t = s1[j];
+    unsigned char t = s1[j];
     s2->push_back(koi2win[t]);
     }
 }
@@ -313,11 +310,10 @@ for (int j = 0; j < (int)s1.length(); j++)
 void WinToKOI(const std::string & s1, std::string * s2)
 {
 s2->erase(s2->begin(), s2->end());
-unsigned char t;
 s2->reserve(s1.length());
 for (int j = 0; j < (int)s1.length(); j++)
     {
-    t = s1[j];
+    unsigned char t = s1[j];
     s2->push_back(win2koi[t]);
     }
 }
@@ -347,6 +343,20 @@ for (size_t i = 0; i < src.length() / 2; i++)
     }
 }
 //---------------------------------------------------------------------------
+std::string Encode12str(const std::string & src)
+{
+std::string res;
+Encode12str(res, src);
+return res;
+}
+//---------------------------------------------------------------------------
+std::string Decode21str(const std::string & src)
+{
+std::string res;
+Decode21str(res, src);
+return res;
+}
+//---------------------------------------------------------------------------
 void Encode12(char * dst, const char * src, size_t srcLen)
 {
 for (size_t i = 0; i <= srcLen; i++)
@@ -400,11 +410,10 @@ int ParseIPString(const char * str, uint32_t * ips, int maxIP)
  */
 
 char p[255];
-char * p1, *pp;
 int n = 0;
 
 strncpy(p, str, 254);
-pp = p;
+char * pp = p;
 
 memset(ips, 0xFF, sizeof(unsigned long) * maxIP);
 
@@ -416,7 +425,7 @@ if (str[0] == '*' && strlen(str) == 1)
 
 for (int i = 0; i < maxIP; i++)
     {
-    p1 = strtok(pp, ",\n ");
+    char * p1 = strtok(pp, ",\n ");
     pp = NULL;
 
     if (p1 == NULL && n == 0)// ÕËÁÚÁÔÅÌØ ÎÕÌØ É ÐÒÏÞÉÔÁÎÏ ÁÄÒÅÓÏ× ÔÏÖÅ ÎÏÌØ
@@ -517,6 +526,22 @@ uint32_t inet_strington(const std::string & value)
     return result;
 }
 //-----------------------------------------------------------------------------
+std::string TimeToString(time_t time)
+{
+struct tm brokenTime;
+
+brokenTime.tm_wday = 0;
+brokenTime.tm_yday = 0;
+brokenTime.tm_isdst = 0;
+
+gmtime_r(&time, &brokenTime);
+
+char buf[32];
+strftime(buf, 32, "%Y-%m-%d %H:%M:%S", &brokenTime);
+
+return buf;
+}
+//-----------------------------------------------------------------------------
 int ParseTariffTimeStr(const char * str, int &h1, int &m1, int &h2, int &m2)
 {
 char hs1[10], ms1[10], hs2[10], ms2[10];
@@ -663,20 +688,18 @@ strcpy(str, stren);
 //---------------------------------------------------------------------------
 void DecodeStr(char * str, unsigned long serial, int useHDD)
 {
-int len = strlen(str);
+size_t len = strlen(str);
 char strdc[100];
-int i, j = 0;
-char c1, c2;
 char serial_c[sizeof(serial)];
 memcpy(serial_c, &serial, sizeof(serial));
 
-for (i = 0; i < len; i += 2)
+for (size_t i = 0; i < len; i += 2)
     {
-    c1 = (str[i] - 50);
-    c2 = (str[i+1] - 50)<<4;
+    char c1 = (str[i] - 50);
+    char c2 = (str[i+1] - 50)<<4;
     strdc[i/2] = c1+c2;
     }
-for (i = 0; i < len/2; i++)
+for (size_t i = 0; i < len/2; i++)
     {
     if (!useHDD)
         strdc[i] = strdc[i]^49;
@@ -790,6 +813,14 @@ const std::string & x2str(uint64_t x, std::string & s)
 return unsigned2str(x, s);
 }
 //---------------------------------------------------------------------------
+const std::string & x2str(double x, std::string & s)
+{
+char buf[256];
+snprintf(buf, sizeof(buf), "%f", x);
+s = buf;
+return s;
+}
+//---------------------------------------------------------------------------
 std::string & TrimL(std::string & val)
 {
 size_t pos = val.find_first_not_of(" \t");
@@ -819,12 +850,18 @@ std::string & Trim(std::string & val)
 return TrimR(TrimL(val));
 }
 //---------------------------------------------------------------------------
+std::string Trim(const std::string & val)
+{
+std::string res(val);
+return TrimR(TrimL(res));
+}
+//---------------------------------------------------------------------------
 std::string ToLower(const std::string & value)
 {
     std::string res;
     for (std::string::size_type pos = 0; pos < value.length(); ++pos)
         res += tolower(value[pos]);
-    return value;
+    return res;
 }
 //---------------------------------------------------------------------------
 std::string ToUpper(const std::string & value)
@@ -832,7 +869,7 @@ std::string ToUpper(const std::string & value)
     std::string res;
     for (std::string::size_type pos = 0; pos < value.length(); ++pos)
         res += toupper(value[pos]);
-    return value;
+    return res;
 }
 //---------------------------------------------------------------------------
 #ifdef WIN32