X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_ciph.c;h=17bd939a748453299fb5a68828954be9b60d8196;hp=914d0d8f4aa6e1dab25626a4096a962fe96a51df;hb=cd420b0b1f2336972e386eba1cccf23b47d99538;hpb=67dc995eaf538ea309c6292a1a5073465201f55b

diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c
index 914d0d8f4a..17bd939a74 100644
--- a/ssl/ssl_ciph.c
+++ b/ssl/ssl_ciph.c
@@ -15,6 +15,7 @@
 #include <openssl/comp.h>
 #include <openssl/engine.h>
 #include <openssl/crypto.h>
+#include "internal/nelem.h"
 #include "ssl_locl.h"
 #include "internal/thread_once.h"
 #include "internal/cryptlib.h"
@@ -1001,7 +1002,8 @@ static int ssl_cipher_process_rulestr(const char *rule_str,
                    ((ch >= 'a') && (ch <= 'z')) ||
                    (ch == '-') || (ch == '.') || (ch == '='))
 #else
-            while (isalnum(ch) || (ch == '-') || (ch == '.') || (ch == '='))
+            while (isalnum((unsigned char)ch) || (ch == '-') || (ch == '.')
+                   || (ch == '='))
 #endif
             {
                 ch = *(++l);