Fix ctype carelessnesses. (Thanks to Solaris gcc for bothering to

[sgt/tweak] / rcfile.c

diff --git a/rcfile.c b/rcfile.c
index 6f5de8f..68469b6 100644 (file)
--- a/rcfile.c
+++ b/rcfile.c
@@ -207,14 +207,14 @@ void read_rc (void) {
         * really come from. Process it.
         */
        q = rcbuffer;
-       while (*q && isspace(*q))
+       while (*q && isspace((unsigned char)*q))
            q++;
 
        if (!*q || *q == '#')
            continue;                  /* comment or blank line */
 
        r = q;
-       while (*r && !isspace(*r))
+       while (*r && !isspace((unsigned char)*r))
            r++;
        if (*r)
            *r++ = '\0';
@@ -231,11 +231,11 @@ void read_rc (void) {
             */
            keyact action;
 
-           while (*r && isspace(*r))
+           while (*r && isspace((unsigned char)*r))
                r++;
 
            q = r;
-           while (*q && !isspace(*q))
+           while (*q && !isspace((unsigned char)*q))
                q++;
            if (*q)
                *q++ = '\0';
@@ -268,7 +268,8 @@ void read_rc (void) {
                        errors_here = TRUE;
                    } else if (*q == '\\' || *q == '^') {
                        *s++ = *q++;
-                   } else if (isxdigit(*q) && q[1] && isxdigit(q[1])) {
+                   } else if (isxdigit((unsigned char)*q) &&
+                              q[1] && isxdigit((unsigned char)q[1])) {
                        char buf[3];
                        buf[0] = *q++;
                        buf[1] = *q++;