Check length first in BUF_strnlen().

diff --git a/crypto/buffer/buf_str.c b/crypto/buffer/buf_str.c
index 35e4a2e7892617f879b712ade26b2f0cd058d73d..b4ff71ed5a9bb55fc85a40d15cb0398e64c736d4 100644 (file)
--- a/crypto/buffer/buf_str.c
+++ b/crypto/buffer/buf_str.c
@@ -66,7 +66,7 @@ size_t BUF_strnlen(const char *str, size_t maxlen)
        {
        const char *p;
 
-       for (p = str; *p != '\0' && maxlen-- != 0; ++p)
+       for (p = str; maxlen-- != 0 && *p != '\0'; ++p)
                ;
 
        return p - str;