// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2023 Red Hat */ #include "string-utils.h" char *vdo_append_to_buffer(char *buffer, char *buf_end, const char *fmt, ...) { va_list args; size_t n; va_start(args, fmt); n = vsnprintf(buffer, buf_end - buffer, fmt, args); if (n >= (size_t) (buf_end - buffer)) buffer = buf_end; else buffer += n; va_end(args); return buffer; }