Replace copy_unsigned_string() with xstrdup().

Like copy_string(), copy_unsigned_string() is just a clone of the
stlib's strdup(). We only use it twice. I'm pretty confident that char
signedness is irrelevant in this case.

2 files changed, 0 insertions, 26 deletions

diff --git a/to.do/unicode/flexdef.h b/to.do/unicode/flexdef.h
index 3e90343..8efa775 100644
--- a/to.do/unicode/flexdef.h
+++ b/to.do/unicode/flexdef.h
@@ -841,9 +841,6 @@ extern void check_char PROTO((int c));
 /* Replace upper-case letter to lower-case. */
 extern Char clower PROTO((int));
 
-/* Returns a dynamically allocated copy of a (potentially) unsigned string. */
-extern Char *copy_unsigned_string PROTO((register Char *));
-
 /* Shell sort a character array. */
 extern void cshell PROTO((wchar_t[], int, int));
 
diff --git a/to.do/unicode/misc.c b/to.do/unicode/misc.c
index b5b032d..d56d811 100644
--- a/to.do/unicode/misc.c
+++ b/to.do/unicode/misc.c
@@ -193,29 +193,6 @@ register int c;
 	}
 
 
-/* copy_unsigned_string -
- *    returns a dynamically allocated copy of a (potentially) unsigned string
- */
-
-Char *copy_unsigned_string( str )
-register Char *str;
-	{
-	register Char *c;
-	Char *copy;
-
-	/* find length */
-	for ( c = str; *c; ++c )
-		;
-
-	copy = allocate_Character_array( c - str + 1 );
-
-	for ( c = copy; (*c++ = *str++) != 0; )
-		;
-
-	return copy;
-	}
-
-
 /* cshell - shell sort a character array in increasing order
  *
  * synopsis