Explicitly test against NULL; do not use !p or similar

[openssl.git] / crypto / x509 / by_dir.c

diff --git a/crypto/x509/by_dir.c b/crypto/x509/by_dir.c
index d38080fb0c34d08b42dd0c4999ccd388a954a253..69950b7d61f331a8a5c4b27569905a00d51ce3cc 100644 (file)
--- a/crypto/x509/by_dir.c
+++ b/crypto/x509/by_dir.c
@@ -156,7 +156,7 @@ static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
     size_t len;
     const char *s, *ss, *p;
 
-    if (dir == NULL || !*dir) {
+    if (dir == NULL || *dir == '\0') {
         X509err(X509_F_ADD_CERT_DIR, X509_R_INVALID_DIRECTORY);
         return 0;
     }