fix "warning array subscript has type 'char'"

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 5 insertions, 5 deletions

diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 866a7c544..39ec1cdb6 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -44,7 +44,7 @@ static void strip(char *str)
         char *p = str;
         int l;
 
-        while ((isspace(*p)))
+        while ((isspace((unsigned char)*p)))
                 p++;
         l = strlen(p);
         if (p != str)
@@ -52,7 +52,7 @@ static void strip(char *str)
         if (!l)
                 return;
         p = str + l - 1;
-        while ((isspace(*p)))
+        while ((isspace((unsigned char)*p)))
                 *p-- = 0;
 }
 
@@ -401,7 +401,7 @@ static int conf_choice(struct menu *menu)
                         }
                         if (!line[0])
                                 cnt = def;
-                        else if (isdigit(line[0]))
+                        else if (isdigit((unsigned char)line[0]))
                                 cnt = atoi(line);
                         else
                                 continue;
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index b05b96e45..9976011a9 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -54,7 +54,7 @@ static char *conf_expand_value(const char *in)
                 strncat(res_value, in, src - in);
                 src++;
                 dst = name;
-                while (isalnum(*src) || *src == '_')
+                while (isalnum((unsigned char)*src) || *src == '_')
                         *dst++ = *src++;
                 *dst = 0;
                 sym = sym_lookup(name, 0);
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index c3a837a14..aaf82820e 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -771,7 +771,7 @@ static void conf(struct menu *menu)
                 if (!type)
                         continue;
 
-                for (i = 0; input_buf[i] && !isspace(input_buf[i]); i++)
+                for (i = 0; input_buf[i] && !isspace((unsigned char)input_buf[i]); i++)
                         ;
                 if (i >= sizeof(active_entry))
                         i = sizeof(active_entry) - 1;