build fixes

Author: ndossche

ext/bcmath/bcmath.c

@@ -1183,8 +1183,14 @@ static zend_result bcmath_number_parse_num(const zval *zv, zend_object **obj, ze
 				*lval = 0;
 				return FAILURE;
 
-			default:
-				return zend_parse_arg_long_slow(zv, lval, 1 /* dummy */) ? SUCCESS : FAILURE;
+			default: {
+				zend_opt_long result = zend_parse_arg_long_slow(zv, 1 /* dummy */);
+				if (result.has_value) {
+					*lval = result.value;
+					return SUCCESS;
+				}
+				return FAILURE;
+			}
 		}
 	}
 }

ext/gmp/gmp.c

@@ -137,15 +137,15 @@ static bool gmp_zend_parse_arg_into_mpz_ex(
 	 * but operator overloading with objects should behave as if a
 	 * method was called, thus strict types should apply. */
 	if (!ZEND_ARG_USES_STRICT_TYPES()) {
-		zend_long lval = 0;
 		if (is_operator && Z_TYPE_P(arg) == IS_NULL) {
 			return false;
 		}
-		if (!zend_parse_arg_long_weak(arg, &lval, arg_num)) {
+		zend_opt_long result = zend_parse_arg_long_weak(arg, arg_num);
+		if (!result.has_value) {
 			return false;
 		}
 
-		mpz_set_si(*destination_mpz_ptr, lval);
+		mpz_set_si(*destination_mpz_ptr, result.value);
 
 		return true;
 	}

ext/mbstring/mbstring.c

@@ -2317,7 +2317,7 @@ PHP_FUNCTION(mb_substr_count)
 PHP_FUNCTION(mb_substr)
 {
 	zend_string *str, *encoding = NULL;
-	zend_long from, len;
+	zend_long from, len = 0;
 	size_t real_from, real_len;
 	bool len_is_null = true;
 

ext/openssl/openssl.c

@@ -2790,7 +2790,7 @@ PHP_FUNCTION(openssl_pkcs7_sign)
 	X509 *cert = NULL;
 	zend_object *cert_obj;
 	zend_string *cert_str;
-	zval *zprivkey, * zheaders;
+	zval *zprivkey, * zheaders = NULL;
 	zval * hval;
 	EVP_PKEY * privkey = NULL;
 	zend_long flags = PKCS7_DETACHED;