Remove to_string, replacing with std::to_string

Convert to_u32bit to use the new C++0x library func stoul instead of
hand-written code.

6 files changed, 12 insertions, 59 deletions

diff --git a/src/utils/charset.cpp b/src/utils/charset.cpp
index 53125cad1..e98cf601e 100644
--- a/src/utils/charset.cpp
+++ b/src/utils/charset.cpp
@@ -119,7 +119,7 @@ std::string transcode(const std::string& str,
       return ucs2_to_latin1(str);
 
    throw Invalid_Argument("Unknown transcoding operation from " +
-                          to_string(from) + " to " + to_string(to));
+                          std::to_string(from) + " to " + std::to_string(to));
    }
 
 /*
diff --git a/src/utils/datastor/datastor.cpp b/src/utils/datastor/datastor.cpp
index 5e7c94634..634b72872 100644
--- a/src/utils/datastor/datastor.cpp
+++ b/src/utils/datastor/datastor.cpp
@@ -124,7 +124,7 @@ void Data_Store::add(const std::string& key, const std::string& val)
 */
 void Data_Store::add(const std::string& key, u32bit val)
    {
-   add(key, to_string(val));
+   add(key, std::to_string(val));
    }
 
 /*
diff --git a/src/utils/exceptn.cpp b/src/utils/exceptn.cpp
index 753d63424..2fa05f59d 100644
--- a/src/utils/exceptn.cpp
+++ b/src/utils/exceptn.cpp
@@ -15,7 +15,7 @@ namespace Botan {
 */
 Invalid_Key_Length::Invalid_Key_Length(const std::string& name, u32bit length)
    {
-   set_msg(name + " cannot accept a key of length " + to_string(length));
+   set_msg(name + " cannot accept a key of length " + std::to_string(length));
    }
 
 /*
@@ -32,7 +32,7 @@ Invalid_Block_Size::Invalid_Block_Size(const std::string& mode,
 */
 Invalid_IV_Length::Invalid_IV_Length(const std::string& mode, u32bit bad_len)
    {
-   set_msg("IV length " + to_string(bad_len) + " is invalid for " + mode);
+   set_msg("IV length " + std::to_string(bad_len) + " is invalid for " + mode);
    }
 
 /*
@@ -56,7 +56,7 @@ Invalid_Algorithm_Name::Invalid_Algorithm_Name(const std::string& name)
 */
 Config_Error::Config_Error(const std::string& err, u32bit line)
    {
-   set_msg("Config error at line " + to_string(line) + ": " + err);
+   set_msg("Config error at line " + std::to_string(line) + ": " + err);
    }
 
 }
diff --git a/src/utils/parsing.cpp b/src/utils/parsing.cpp
index 63dfce64f..3412cf02b 100644
--- a/src/utils/parsing.cpp
+++ b/src/utils/parsing.cpp
@@ -13,53 +13,6 @@
 namespace Botan {
 
 /*
-* Convert a string into an integer
-*/
-u32bit to_u32bit(const std::string& number)
-   {
-   u32bit n = 0;
-
-   for(auto i = number.begin(); i != number.end(); ++i)
-      {
-      const u32bit OVERFLOW_MARK = 0xFFFFFFFF / 10;
-
-      if(*i == ' ')
-         continue;
-
-      byte digit = Charset::char2digit(*i);
-
-      if((n > OVERFLOW_MARK) || (n == OVERFLOW_MARK && digit > 5))
-         throw Decoding_Error("to_u32bit: Integer overflow");
-      n *= 10;
-      n += digit;
-      }
-   return n;
-   }
-
-/*
-* Convert an integer into a string
-*/
-std::string to_string(u64bit n, u32bit min_len)
-   {
-   std::string lenstr;
-   if(n)
-      {
-      while(n > 0)
-         {
-         lenstr = Charset::digit2char(n % 10) + lenstr;
-         n /= 10;
-         }
-      }
-   else
-      lenstr = "0";
-
-   while(lenstr.size() < min_len)
-      lenstr = "0" + lenstr;
-
-   return lenstr;
-   }
-
-/*
 * Convert a string into a time duration
 */
 u32bit timespec_to_u32bit(const std::string& timespec)
@@ -282,7 +235,7 @@ std::string ipv4_to_string(u32bit ip)
       {
       if(i)
          str += ".";
-      str += to_string(get_byte(i, ip));
+      str += std::to_string(get_byte(i, ip));
       }
 
    return str;
diff --git a/src/utils/parsing.h b/src/utils/parsing.h
index 2c29d5b4d..cb8d61cee 100644
--- a/src/utils/parsing.h
+++ b/src/utils/parsing.h
@@ -23,10 +23,10 @@ BOTAN_DLL std::vector<u32bit> parse_asn1_oid(const std::string&);
 BOTAN_DLL bool x500_name_cmp(const std::string&, const std::string&);
 
 /*
-* String/Integer Conversions
+* Convert a string into an integer
 */
-BOTAN_DLL std::string to_string(u64bit, u32bit = 0);
-BOTAN_DLL u32bit to_u32bit(const std::string&);
+inline u32bit to_u32bit(const std::string& number)
+   { return stoul(number); }
 
 BOTAN_DLL u32bit timespec_to_u32bit(const std::string& timespec);
 
diff --git a/src/utils/version.cpp b/src/utils/version.cpp
index d540864b2..ef591b4d7 100644
--- a/src/utils/version.cpp
+++ b/src/utils/version.cpp
@@ -21,9 +21,9 @@ namespace Botan {
 */
 std::string version_string()
    {
-   return to_string(version_major()) + "." +
-          to_string(version_minor()) + "." +
-          to_string(version_patch());
+   return std::to_string(version_major()) + "." +
+          std::to_string(version_minor()) + "." +
+          std::to_string(version_patch());
    }
 
 /*