* -- 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.
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;
/* replace remaining whitespace with spaces */
for (sp = cp; *sp; sp++) {
- if (isspace(*sp))
+ if (isspace((unsigned char) *sp))
*sp = ' ';
}