Remove unused code.

Remove 'cutil/listio.cpp' and 'cutil/listio.h'. Also remove 'strsave' and 'strfree' defines from 'cutil/cutil.h'.

Author: alankila

cutil/Makefile.am

@@ -7,7 +7,7 @@ endif
 
 noinst_HEADERS = \
     bitvec.h callcpp.h const.h cutil.h cutil_class.h danerror.h efio.h \
-    emalloc.h freelist.h globals.h listio.h \
+    emalloc.h freelist.h globals.h \
     oldlist.h structures.h
 
 if !USING_MULTIPLELIBS
@@ -22,7 +22,7 @@ endif
 
 libtesseract_cutil_la_SOURCES = \
     bitvec.cpp callcpp.cpp cutil.cpp cutil_class.cpp danerror.cpp efio.cpp \
-    emalloc.cpp freelist.cpp listio.cpp \
+    emalloc.cpp freelist.cpp \
     oldlist.cpp structures.cpp
 
 

cutil/cutil.h

@@ -92,26 +92,6 @@ typedef void (*void_dest) (void *);
 #define print_string(str)  \
   printf ("%s\n", str)
 
-/**********************************************************************
- * strfree
- *
- * Free the memory which was reserved by strsave.
- **********************************************************************/
-
-#define strfree(s)  (free_string(s))
-
-/**********************************************************************
- * strsave
- *
- * Reserve a spot in memory for the string to be stored. Copy the string
- * to it and return the result.
- **********************************************************************/
-
-#define strsave(s)    \
-  ((s) != NULL ?  \
-   ((char*) strcpy (alloc_string(strlen(s)+1), s))  :  \
-   (NULL))
-
 /*----------------------------------------------------------------------
                      F u n c t i o n s
 ----------------------------------------------------------------------*/