1 files changed, 60 insertions, 0 deletions

diff --git a/src/lib/FL/common.cxx b/src/lib/FL/common.cxx
new file mode 100644
index 0000000..852b0e7
--- /dev/null
+++ b/src/lib/FL/common.cxx
@@ -0,0 +1,60 @@
+// COPY A STRING WITH 'new'
+//    Value can be NULL
+//
+static char *strnew(const char *val) 
+{
+        if ( val == NULL )
+                return(NULL);
+                
+        char *s = new char[strlen(val)+1];
+        strcpy(s, val);
+        
+        return(s);
+}
+
+// FREE STRING CREATED WITH strnew(), NULLS OUT STRING
+//    Value can be NULL
+//
+static char *strfree(char *val) 
+{
+        if ( val ) 
+                delete [] val;
+                
+        return(NULL);
+}
+
+// 'DYNAMICALLY' APPEND ONE STRING TO ANOTHER
+//    Returns newly allocated string, or NULL 
+//    if s && val == NULL.
+//    's' can be NULL; returns a strnew(val).
+//    'val' can be NULL; s is returned unmodified.
+//
+//    Usage:
+//      char *s = strnew("foo");        // s = "foo"
+//      s = strapp(s, "bar");           // s = "foobar"
+//
+#ifndef WINDOWS
+static char *strapp(char *s, const char *val) 
+{
+        if ( ! val )
+                return(s);              // Nothing to append? return s
+
+        if ( ! s )
+                return(strnew(val));    // New string? return copy of val
+
+        char *news = new char[strlen(s)+strlen(val)+1];
+        strcpy(news, s);
+        strcat(news, val);
+        
+        delete [] s;            // delete old string
+        return(news);           // return new copy
+}
+#endif
+// APPEND A CHARACTER TO A STRING
+static void chrcat(char *s, char c) 
+{
+        char tmp[2] = { c, '\0' };;
+        strcat(s, tmp);
+}
+
+