better way to check for empty string

diff --git a/ext/curl/interface.c b/ext/curl/interface.c
index 1c7fe36c794f43e8a94e7fbe54428690c85d52a2..54a0abc3c9564f3b275db8bb81f1c52626e7f9c0 100644 (file)
--- a/ext/curl/interface.c
+++ b/ext/curl/interface.c
@@ -1832,10 +1832,10 @@ static void _php_curl_set_default_options(php_curl *ch)
        curl_easy_setopt(ch->cp, CURLOPT_MAXREDIRS, 20); /* prevent infinite redirects */
 
        cainfo = INI_STR("openssl.cafile");
-       if (!(cainfo && strlen(cainfo) > 0)) {
+       if (!(cainfo && cainfo[0] != '\0')) {
                cainfo = INI_STR("curl.cainfo");
        }
-       if (cainfo && strlen(cainfo) > 0) {
+       if (cainfo && cainfo[0] != '\0') {
                curl_easy_setopt(ch->cp, CURLOPT_CAINFO, cainfo);
        }