1 files changed, 55 insertions, 22 deletions

diff --git a/src/util.cpp b/src/util.cpp
index d106b03230..30590912ff 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -460,6 +460,7 @@ void ParseParameters(int argc, const char* const argv[])
 {
     mapArgs.clear();
     mapMultiArgs.clear();
+
     for (int i = 1; i < argc; i++)
     {
         std::string str(argv[i]);
@@ -475,9 +476,15 @@ void ParseParameters(int argc, const char* const argv[])
         if (boost::algorithm::starts_with(str, "/"))
             str = "-" + str.substr(1);
 #endif
+
         if (str[0] != '-')
             break;
 
+        // Interpret --foo as -foo.
+        // If both --foo and -foo are set, the last takes effect.
+        if (str.length() > 1 && str[1] == '-')
+            str = str.substr(1);
+
         mapArgs[str] = strValue;
         mapMultiArgs[str].push_back(strValue);
     }
@@ -485,19 +492,8 @@ void ParseParameters(int argc, const char* const argv[])
     // New 0.6 features:
     BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
     {
-        string name = entry.first;
-
-        //  interpret --foo as -foo (as long as both are not set)
-        if (name.find("--") == 0)
-        {
-            std::string singleDash(name.begin()+1, name.end());
-            if (mapArgs.count(singleDash) == 0)
-                mapArgs[singleDash] = entry.second;
-            name = singleDash;
-        }
-
         // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
-        InterpretNegativeSetting(name, mapArgs);
+        InterpretNegativeSetting(entry.first, mapArgs);
     }
 }
 
@@ -962,13 +958,15 @@ const boost::filesystem::path &GetDataDir(bool fNetSpecific)
 void ClearDatadirCache()
 {
     std::fill(&pathCached[0], &pathCached[CChainParams::MAX_NETWORK_TYPES+1],
-              boost::filesystem::path());
+        boost::filesystem::path());
 }
 
 boost::filesystem::path GetConfigFile()
 {
     boost::filesystem::path pathConfigFile(GetArg("-conf", "bitcoin.conf"));
-    if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
+    if (!pathConfigFile.is_complete())
+        pathConfigFile = GetDataDir(false) / pathConfigFile;
+
     return pathConfigFile;
 }
 
@@ -1028,9 +1026,9 @@ bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
 #endif /* WIN32 */
 }
 
-
-// Ignores exceptions thrown by boost's create_directory if the requested directory exists.
-//   Specifically handles case where path p exists, but it wasn't possible for the user to write to the parent directory.
+// Ignores exceptions thrown by Boost's create_directory if the requested directory exists.
+// Specifically handles case where path p exists, but it wasn't possible for the user to
+// write to the parent directory.
 bool TryCreateDirectory(const boost::filesystem::path& p)
 {
     try
@@ -1381,19 +1379,19 @@ bool ParseInt32(const std::string& str, int32_t *out)
 
 void SetupEnvironment()
 {
-    #ifndef WIN32
+#ifndef WIN32
     try
     {
-	#if BOOST_FILESYSTEM_VERSION == 3
+#if BOOST_FILESYSTEM_VERSION == 3
             boost::filesystem::path::codecvt(); // Raises runtime error if current locale is invalid
-	#else				          // boost filesystem v2
+#else // boost filesystem v2
             std::locale();                      // Raises runtime error if current locale is invalid
-	#endif
+#endif
     } catch(std::runtime_error &e)
     {
         setenv("LC_ALL", "C", 1); // Force C locale
     }
-    #endif
+#endif
 }
 
 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
@@ -1405,3 +1403,38 @@ std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
     ss << boost::posix_time::from_time_t(nTime);
     return ss.str();
 }
+
+std::string FormatParagraph(const std::string in, size_t width, size_t indent)
+{
+    std::stringstream out;
+    size_t col = 0;
+    size_t ptr = 0;
+    while(ptr < in.size())
+    {
+        // Find beginning of next word
+        ptr = in.find_first_not_of(' ', ptr);
+        if (ptr == std::string::npos)
+            break;
+        // Find end of next word
+        size_t endword = in.find_first_of(' ', ptr);
+        if (endword == std::string::npos)
+            endword = in.size();
+        // Add newline and indentation if this wraps over the allowed width
+        if (col > 0)
+        {
+            if ((col + endword - ptr) > width)
+            {
+                out << '\n';
+                for(size_t i=0; i<indent; ++i)
+                    out << ' ';
+                col = 0;
+            } else
+                out << ' ';
+        }
+        // Append word
+        out << in.substr(ptr, endword - ptr);
+        col += endword - ptr;
+        ptr = endword;
+    }
+    return out.str();
+}