Use char literals in comparisons, instead of their ASCII codes.

Signed-off-by: Davide Pesavento <davidepesa@gmail.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>

diff --git a/crda.c b/crda.c
index e4cbe96..72ac42b 100644 (file)
--- a/crda.c
+++ b/crda.c
@@ -110,7 +110,7 @@ static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, void *ar
 
 int isalpha_upper(char letter)
 {
-       if (letter >= 65 && letter <= 90)
+       if (letter >= 'A' && letter <= 'Z')
                return 1;
        return 0;
 }
@@ -124,8 +124,7 @@ static int is_alpha2(char *alpha2)
 
 static int is_world_regdom(char *alpha2)
 {
-       /* ASCII 0 */
-       if (alpha2[0] == 48 && alpha2[1] == 48)
+       if (alpha2[0] == '0' && alpha2[1] == '0')
                return 1;
        return 0;
 }