/* * Copyright (c) 2006 Jakub Vana * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup libc * @{ */ /** @file */ #ifndef _LIBC_IO_KIO_H_ #define _LIBC_IO_KIO_H_ #include <stddef.h> #include <stdarg.h> #include <io/verify.h> #include <_bits/errno.h> #include <_bits/size_t.h> extern void __kio_init(void); extern void __kio_fini(void); extern errno_t kio_write(const void *, size_t, size_t *); extern void kio_update(void); extern void kio_command(const void *, size_t); extern int kio_printf(const char *, ...) _HELENOS_PRINTF_ATTRIBUTE(1, 2); extern int kio_vprintf(const char *, va_list); /* * In some files, we have conditional DPRINTF(...) macro that is defined empty * in most cases. Provide a dummy printf so we get argument checking and * avoid unused variable errors. */ static inline int dummy_printf(const char *fmt, ...) _HELENOS_PRINTF_ATTRIBUTE(1, 2); static inline int dummy_printf(const char *fmt, ...) { /* Empty. */ (void) fmt; return 0; } #endif /** @} */