Cast ctype functions' arguments to unsigned char.

ok guenther@

diff --git a/games/hunt/huntd/conf.c b/games/hunt/huntd/conf.c
index f13d36b..cf2b586 100644 (file)
--- a/games/hunt/huntd/conf.c
+++ b/games/hunt/huntd/conf.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: conf.c,v 1.7 2007/03/20 03:43:50 tedu Exp $   */
+/*     $OpenBSD: conf.c,v 1.8 2015/10/24 18:10:47 mmcc Exp $   */
 /* David Leonard <d@openbsd.org>, 1999. Public domain. */
 
 #include <stdio.h>
@@ -137,9 +137,10 @@ parse_int(p, kvp, fnm, linep)
        if (*p == '-') 
                p++;
        digitstart = p;
-       while (isdigit(*p))
+       while (isdigit((unsigned char)*p))
                p++;
-       if ((*p == '\0' || isspace(*p) || *p == '#') && digitstart != p) {
+       if ((*p == '\0' || isspace((unsigned char)*p) || *p == '#') &&
+           digitstart != p) {
                savec = *p;
                *p = '\0';
                newval = atoi(valuestart);
@@ -190,7 +191,7 @@ parse_line(buf, fnm, line)
        p = buf;
 
        /* skip leading white */
-       while (isspace(*p))
+       while (isspace((unsigned char)*p))
                p++;
        /* allow blank lines and comment lines */
        if (*p == '\0' || *p == '#')
@@ -198,9 +199,9 @@ parse_line(buf, fnm, line)
 
        /* walk to the end of the word: */
        word = p;
-       if (isalpha(*p) || *p == '_') {
+       if (isalpha((unsigned char)*p) || *p == '_') {
                p++;
-               while (isalpha(*p) || isdigit(*p) || *p == '_')
+               while (isalpha((unsigned char)*p) || isdigit((unsigned char)*p) || *p == '_')
                        p++;
        }
        endword = p;
@@ -227,7 +228,7 @@ parse_line(buf, fnm, line)
        }
 
        /* skip whitespace */
-       while (isspace(*p))
+       while (isspace((unsigned char)*p))
                p++;
 
        if (*p++ != '=') {
@@ -236,7 +237,7 @@ parse_line(buf, fnm, line)
        }
 
        /* skip whitespace */
-       while (isspace(*p))
+       while (isspace((unsigned char)*p))
                p++;
 
        /* parse the value */
@@ -245,7 +246,7 @@ parse_line(buf, fnm, line)
                return;
 
        /* skip trailing whitespace */
-       while (isspace(*p))
+       while (isspace((unsigned char)*p))
                p++;
 
        if (*p && *p != '#') {