Convert overflown int64 to strings and print a warning

Author: bjori

src/bson.c

@@ -382,8 +382,13 @@ bool php_phongo_bson_visit_int64(const bson_iter_t *iter ARG_UNUSED, const char
 	zval *retval = ((php_phongo_bson_state *)data)->zchild;
 
 #if SIZEOF_LONG == 4
-	if (v_int64 > INT_MAX) {
-		mongoc_log(MONGOC_LOG_LEVEL_ERROR, MONGOC_LOG_DOMAIN, "Integer overflow detected on your platform: %lld", v_int64);
+	if (v_int64 > LONG_MAX || v_int64 < LONG_MIN) {
+		char *tmp;
+		int tmp_len;
+
+		mongoc_log(MONGOC_LOG_LEVEL_WARNING, MONGOC_LOG_DOMAIN, "Integer overflow detected on your platform: %lld", v_int64);
+		tmp_len = spprintf(&tmp, 0, "%lld", v_int64);
+		add_assoc_stringl(retval, key, tmp, tmp_len, 0);
 		return false;
 	}
 #endif