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91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba utility functions
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Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __UTIL_ATTR_H__
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#define __UTIL_ATTR_H__
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#ifdef __GNUC__
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/** gcc attribute used on function parameters so that it does not emit
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* warnings about them being unused. **/
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# define UNUSED(param) param __attribute__ ((unused))
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#else
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# define UNUSED(param) param
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/** Feel free to add definitions for other compilers here. */
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#endif
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#ifdef HAVE_VISIBILITY_ATTR
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# define _PUBLIC_ __attribute__((visibility("default")))
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#else
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# define _PUBLIC_
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#endif
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#ifndef _DEPRECATED_
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#if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
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#define _DEPRECATED_ __attribute__ ((deprecated))
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#else
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#define _DEPRECATED_
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#endif
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#endif
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#ifndef _WARN_UNUSED_RESULT_
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#if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
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#define _WARN_UNUSED_RESULT_ __attribute__ ((warn_unused_result))
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#else
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#define _WARN_UNUSED_RESULT_
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#endif
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#endif
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#ifndef _NORETURN_
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#if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
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#define _NORETURN_ __attribute__ ((noreturn))
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#else
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#define _NORETURN_
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#endif
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#endif
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#ifndef _PURE_
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#if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1)
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#define _PURE_ __attribute__((pure))
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#else
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#define _PURE_
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#endif
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#endif
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#ifndef NONNULL
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#if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1)
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#define NONNULL(param) param __attribute__((nonnull))
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#else
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#define NONNULL(param) param
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#endif
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#endif
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#ifndef PRINTF_ATTRIBUTE
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#if __GNUC__ >= 3
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/** Use gcc attribute to check printf fns. a1 is the 1-based index of
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* the parameter containing the format, and a2 the index of the first
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* argument. Note that some gcc 2.x versions don't handle this
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* properly **/
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#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
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#else
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#define PRINTF_ATTRIBUTE(a1, a2)
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#endif
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#endif
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#endif /* __UTIL_ATTR_H__ */
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