AVR-LibC
2.2.0
Standard C library for AVR-GCC
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include
errno.h
Go to the documentation of this file.
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/* Copyright (c) 2002,2007 Marek Michalkiewicz
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of the copyright holders nor the names of
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE. */
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/* $Id$ */
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#ifndef __ERRNO_H_
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#define __ERRNO_H_ 1
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/** \file */
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/** \defgroup avr_errno <errno.h>: System Errors
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\code #include <errno.h>\endcode
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Some functions in the library set the global variable \c errno when an
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error occurs. The file, \c <errno.h>, provides symbolic names for various
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error codes.
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*/
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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/** \ingroup avr_errno
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\brief Error code for last error encountered by library
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The variable \c errno holds the last error code encountered by
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a library function. This variable must be cleared by the
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user prior to calling a library function.
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\warning The \c errno global variable is not safe to use in a threaded or
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multi-task system. A race condition can occur if a task is interrupted
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between the call which sets \c error and when the task examines \c
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errno. If another task changes \c errno during this time, the result will
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be incorrect for the interrupted task. */
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extern
int
errno
;
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#ifdef __cplusplus
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}
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#endif
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/** \ingroup avr_errno
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\def EDOM
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Domain error. */
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#define EDOM 33
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/** \ingroup avr_errno
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\def ERANGE
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Range error. */
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#define ERANGE 34
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#ifndef __DOXYGEN__
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/* ((((('E'-64)*26+('N'-64))*26+('O'-64))*26+('S'-64))*26+('Y'-64))*26+'S'-64 */
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#define ENOSYS ((int)(66081697 & 0x7fff))
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/* (((('E'-64)*26+('I'-64))*26+('N'-64))*26+('T'-64))*26+('R'-64) */
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#define EINTR ((int)(2453066 & 0x7fff))
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#define E2BIG ENOERR
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#define EACCES ENOERR
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#define EADDRINUSE ENOERR
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#define EADDRNOTAVAIL ENOERR
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#define EAFNOSUPPORT ENOERR
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#define EAGAIN ENOERR
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#define EALREADY ENOERR
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#define EBADF ENOERR
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#define EBUSY ENOERR
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#define ECHILD ENOERR
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#define ECONNABORTED ENOERR
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#define ECONNREFUSED ENOERR
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#define ECONNRESET ENOERR
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#define EDEADLK ENOERR
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#define EDESTADDRREQ ENOERR
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#define EEXIST ENOERR
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#define EFAULT ENOERR
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#define EFBIG ENOERR
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#define EHOSTUNREACH ENOERR
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#define EILSEQ ENOERR
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#define EINPROGRESS ENOERR
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#define EINVAL ENOERR
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#define EIO ENOERR
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#define EISCONN ENOERR
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#define EISDIR ENOERR
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#define ELOOP ENOERR
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#define EMFILE ENOERR
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#define EMLINK ENOERR
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#define EMSGSIZE ENOERR
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#define ENAMETOOLONG ENOERR
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#define ENETDOWN ENOERR
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#define ENETRESET ENOERR
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#define ENETUNREACH ENOERR
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#define ENFILE ENOERR
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#define ENOBUFS ENOERR
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#define ENODEV ENOERR
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#define ENOENT ENOERR
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#define ENOEXEC ENOERR
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#define ENOLCK ENOERR
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#define ENOMEM ENOERR
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#define ENOMSG ENOERR
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#define ENOPROTOOPT ENOERR
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#define ENOSPC ENOERR
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#define ENOTCONN ENOERR
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#define ENOTDIR ENOERR
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#define ENOTEMPTY ENOERR
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#define ENOTSOCK ENOERR
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#define ENOTTY ENOERR
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#define ENXIO ENOERR
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#define EOPNOTSUPP ENOERR
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#define EPERM ENOERR
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#define EPIPE ENOERR
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#define EPROTONOSUPPORT ENOERR
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#define EPROTOTYPE ENOERR
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#define EROFS ENOERR
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#define ESPIPE ENOERR
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#define ESRCH ENOERR
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#define ETIMEDOUT ENOERR
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#define EWOULDBLOCK ENOERR
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#define EXDEV ENOERR
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/* ((((('E'-64)*26+('N'-64))*26+('O'-64))*26+('E'-64))*26+('R'-64))*26+'R'-64 */
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#define ENOERR ((int)(66072050 & 0xffff))
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#endif
/* !__DOXYGEN__ */
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#endif
errno
int errno
Error code for last error encountered by library.
Definition:
errno.c:31
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