117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
/*
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* O/S-dependent (mis)feature macro definitions
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*
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Copyright 1991, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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#ifndef _XOSDEFS_H_
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# define _XOSDEFS_H_
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/*
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* X_NOT_POSIX means does not have POSIX header files. Lack of this
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* symbol does NOT mean that the POSIX environment is the default.
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* You may still have to define _POSIX_SOURCE to get it.
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*/
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# ifdef _SCO_DS
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# ifndef __SCO__
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# define __SCO__
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# endif
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# endif
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# ifdef __i386__
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# ifdef SYSV
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# if !defined(__SCO__) && \
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!defined(__UNIXWARE__) && !defined(__sun)
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# if !defined(_POSIX_SOURCE)
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# define X_NOT_POSIX
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# endif
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# endif
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# endif
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# endif
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# ifdef __sun
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/* Imake configs define SVR4 on Solaris, but cc & gcc only define __SVR4
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* This check allows non-Imake configured programs to build correctly.
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*/
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# if defined(__SVR4) && !defined(SVR4)
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# define SVR4 1
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# endif
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# ifdef SVR4
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/* define this to whatever it needs to be */
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# define X_POSIX_C_SOURCE 199300L
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# endif
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# endif
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# ifdef WIN32
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# ifndef _POSIX_
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# define X_NOT_POSIX
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# endif
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# endif
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# ifdef __APPLE__
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# define NULL_NOT_ZERO
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/* Defining any of these will sanitize the namespace to JUST want is defined by
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* that particular standard. If that happens, we don't get some expected
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* prototypes, typedefs, etc (like fd_mask). We can define _DARWIN_C_SOURCE to
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* loosen our belts a tad.
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*/
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# if defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE)
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# ifndef _DARWIN_C_SOURCE
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# define _DARWIN_C_SOURCE
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# endif
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# endif
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# endif
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# ifdef __GNU__
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# ifndef PATH_MAX
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# define PATH_MAX 4096
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# endif
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# ifndef MAXPATHLEN
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# define MAXPATHLEN 4096
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# endif
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# endif
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# if defined(__SCO__) || defined(__UNIXWARE__)
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# ifndef PATH_MAX
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# define PATH_MAX 1024
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# endif
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# ifndef MAXPATHLEN
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# define MAXPATHLEN 1024
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# endif
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# endif
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# if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) \
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|| defined(__APPLE__) || defined(__DragonFly__)
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# ifndef CSRG_BASED
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# define CSRG_BASED
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# endif
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# endif
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#endif /* _XOSDEFS_H_ */
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