===================================================================
RCS file: /cvs/mandoc/soelim.c,v
retrieving revision 1.2
retrieving revision 1.6
diff -u -p -r1.2 -r1.6
--- mandoc/soelim.c	2015/05/20 22:22:59	1.2
+++ mandoc/soelim.c	2021/09/19 18:14:24	1.6
@@ -1,4 +1,4 @@
-/*	$Id: soelim.c,v 1.2 2015/05/20 22:22:59 schwarze Exp $	*/
+/*	$Id: soelim.c,v 1.6 2021/09/19 18:14:24 schwarze Exp $	*/
 /*
  * Copyright (c) 2014 Baptiste Daroussin <bapt@FreeBSD.org>
  * All rights reserved.
@@ -24,12 +24,15 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#include "config.h"
 
-#include <sys/param.h>
 #include <sys/types.h>
 
 #include <ctype.h>
+#if HAVE_ERR
 #include <err.h>
+#endif
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -57,7 +60,7 @@ static FILE *
 soelim_fopen(const char *name)
 {
 	FILE *f;
-	char path[MAXPATHLEN];
+	char path[PATH_MAX];
 	size_t i;
 
 	if (strcmp(name, "-") == 0)
@@ -101,16 +104,16 @@ soelim_file(FILE *f, int flag)
 		}
 
 		walk = line + 3;
-		if (!isspace(*walk) && ((flag & C_OPTION) == 0)) {
+		if (!isspace((unsigned char)*walk) && (flag & C_OPTION) == 0) {
 			printf("%s", line);
 			continue;
 		}
 
-		while (isspace(*walk))
+		while (isspace((unsigned char)*walk))
 			walk++;
 
 		cp = walk;
-		while (*cp != '\0' && !isspace(*cp))
+		while (*cp != '\0' && !isspace((unsigned char)*cp))
 			cp++;
 		*cp = 0;
 		if (cp < line + linelen)