Added bool IsValidChannelName(const char *) - it doesn't seem to blow things up...

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@3182 e03df62e-2008-0410-955e-edbf42e46eb7

2 files changed, 34 insertions, 1 deletions

diff --git a/include/helperfuncs.h b/include/helperfuncs.h
index 1641575a6..70cc06da2 100644
--- a/include/helperfuncs.h
+++ b/include/helperfuncs.h
@@ -83,7 +83,7 @@ void ShowRULES(userrec *user);
 bool AllModulesReportReady(userrec* user);
 bool DirValid(char* dirandfile);
 std::string GetFullProgDir(char** argv, int argc);
-
 int InsertMode(std::string &output, const char* modes, unsigned short section);
+bool IsValidChannelName(const char *);
 
 #endif
diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp
index e3e3db023..fc4ec970f 100644
--- a/src/helperfuncs.cpp
+++ b/src/helperfuncs.cpp
@@ -1465,3 +1465,36 @@ int InsertMode(std::string &output, const char* mode, unsigned short section)
 	output.insert(pos, mode);
 	return 1;
 }
+
+bool IsValidChannelName(const char *chname)
+{
+		char *c;
+
+		/* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */
+		if (!chname || *chname != '#')
+		{
+				return false;
+		}
+
+		c = (char *)chname + 1;
+		while (*c)
+		{
+				switch (*c)
+				{
+						case ' ':
+						case ',':
+						case 7:
+								return false;
+				}
+
+				c++;
+		}
+		
+		/* too long a name - note funky pointer arithmetic here. */
+		if ((c - chname) > CHANMAX)
+		{
+				return false;
+		}
+
+		return true;
+}