Abolish the few remaining uses of BUFSIZE.

modules/extra/regex_posix.cpp

@@ -39,7 +39,7 @@ public:
 		int err = regcomp(&this->regbuf, expr.c_str(), REG_EXTENDED | REG_NOSUB | REG_ICASE);
 		if (err)
 		{
-			char buf[BUFSIZE];
+			char buf[256];
 			regerror(err, &this->regbuf, buf, sizeof(buf));
 			regfree(&this->regbuf);
 			throw RegexException("Error in regex " + expr + ": " + buf);

modules/extra/regex_tre.cpp

@@ -37,7 +37,7 @@ public:
 		int err = regcomp(&this->regbuf, expr.c_str(), REG_EXTENDED | REG_NOSUB);
 		if (err)
 		{
-			char buf[BUFSIZE];
+			char buf[256];
 			regerror(err, &this->regbuf, buf, sizeof(buf));
 			regfree(&this->regbuf);
 			throw RegexException("Error in regex " + expr + ": " + buf);

modules/webcpanel/static_fileserver.cpp

@@ -39,7 +39,7 @@ bool StaticFileServer::OnRequest(HTTP::Provider *server, const Anope::string &pa
 	reply.headers["Cache-Control"] = "public";
 
 	int i;
-	char buffer[BUFSIZE];
+	char buffer[1024];
 	while ((i = read(fd, buffer, sizeof(buffer))) > 0)
 		reply.Write(buffer, i);
 

modules/webcpanel/template_fileserver.cpp

@@ -107,7 +107,7 @@ void TemplateFileServer::Serve(HTTP::Provider *server, const Anope::string &page
 	Anope::string buf;
 
 	int i;
-	char buffer[BUFSIZE];
+	char buffer[1024];
 	while ((i = read(fd, buffer, sizeof(buffer) - 1)) > 0)
 	{
 		buffer[i] = 0;