mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* Generic errno.h */
|
|
/* $OpenLDAP$ */
|
|
/*
|
|
* Copyright 1998-2003 The OpenLDAP Foundation, Redwood City, California, USA
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted only as authorized by the OpenLDAP
|
|
* Public License.
|
|
*
|
|
* A copy of this license is available in file LICENSE in the
|
|
* top-level directory of the distribution or, alternatively, at
|
|
* <http://www.OpenLDAP.org/license.html>.
|
|
*/
|
|
|
|
#ifndef _AC_ERRNO_H
|
|
#define _AC_ERRNO_H
|
|
|
|
#if defined( HAVE_ERRNO_H )
|
|
# include <errno.h>
|
|
#elif defined( HAVE_SYS_ERRNO_H )
|
|
# include <sys/errno.h>
|
|
#endif
|
|
|
|
#ifndef HAVE_SYS_ERRLIST
|
|
/* no sys_errlist */
|
|
# define sys_nerr 0
|
|
# define sys_errlist ((char **)0)
|
|
#elif DECL_SYS_ERRLIST
|
|
/* have sys_errlist but need declaration */
|
|
LDAP_LIBC_V(int) sys_nerr;
|
|
LDAP_LIBC_V(char) *sys_errlist[];
|
|
#endif
|
|
|
|
#undef _AC_ERRNO_UNKNOWN
|
|
#define _AC_ERRNO_UNKNOWN "unknown error"
|
|
|
|
#ifdef HAVE_SYS_ERRLIST
|
|
/* this is thread safe */
|
|
# define STRERROR(e) ( (e) > -1 && (e) < sys_nerr \
|
|
? sys_errlist[(e)] : _AC_ERRNO_UNKNOWN )
|
|
|
|
#elif defined( HAVE_STRERROR )
|
|
/* this may not be thread safe */
|
|
/* and, yes, some implementations of strerror may return NULL */
|
|
# define STRERROR(e) ( strerror(e) \
|
|
? strerror(e) : _AC_ERRNO_UNKNOWN )
|
|
|
|
#else
|
|
/* this is thread safe */
|
|
# define STRERROR(e) ( _AC_ERRNO_UNKNOWN )
|
|
#endif
|
|
|
|
#endif /* _AC_ERRNO_H */
|