X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/1691e80890e5d8ba258c51c214a3e91880e1db2b..d0bd14488c8392bcbbaa444759bae9c735178475:/sbr/trimcpy.c

diff --git a/sbr/trimcpy.c b/sbr/trimcpy.c
index d1355485..3a2fbd76 100644
--- a/sbr/trimcpy.c
+++ b/sbr/trimcpy.c
@@ -4,7 +4,9 @@
  *           -- replace internal whitespace with spaces,
  *           -- then return a copy.
  *
- * $Id$
+ * This code is Copyright (c) 2002, by the authors of nmh.  See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
  */
 
 #include <h/mh.h>
@@ -16,12 +18,12 @@ trimcpy (char *cp)
     char *sp;
 
     /* skip over leading whitespace */
-    while (isspace(*cp))
+    while (isspace((unsigned char) *cp))
 	cp++;
 
     /* start at the end and zap trailing whitespace */
     for (sp = cp + strlen(cp) - 1; sp >= cp; sp--) {
-	if (isspace(*sp))
+	if (isspace((unsigned char) *sp))
 	    *sp = '\0';
 	else
 	    break;
@@ -29,7 +31,7 @@ trimcpy (char *cp)
 
     /* replace remaining whitespace with spaces */
     for (sp = cp; *sp; sp++) {
-	if (isspace(*sp))
+	if (isspace((unsigned char) *sp))
 	    *sp = ' ';
     }