mirror of
https://github.com/MidnightCommander/mc
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68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/** \file unixcompat.h
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* \brief Header: collects differences between the various Unix
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*
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* This header file collects differences between the various Unix
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* variants that are supported by the Midnight Commander and provides
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* replacement routines if they are not natively available.
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* The major/minor macros are not specified in SUSv3, so we can only hope
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* they are provided by the operating system or emulate it.
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*/
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#ifndef MC_UNIXCOMPAT_H
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#define MC_UNIXCOMPAT_H
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#include <sys/types.h> /* BSD */
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#if MAJOR_IN_MKDEV
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#include <sys/mkdev.h>
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#elif MAJOR_IN_SYSMACROS
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#include <sys/sysmacros.h>
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#endif
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#if defined(_AIX)
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#include <time.h> /* AIX for tm */
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#endif
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#include <unistd.h>
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/*** typedefs(not structures) and defined constants **********************************************/
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#ifndef major
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#warning major() is undefined. Device numbers will not be shown correctly.
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#define major(devnum) (((devnum) >> 8) & 0xff)
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#endif
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#ifndef minor
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#warning minor() is undefined. Device numbers will not be shown correctly.
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#define minor(devnum) (((devnum) & 0xff))
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#endif
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#ifndef makedev
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#warning makedev() is undefined. Device numbers will not be shown correctly.
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#define makedev(major,minor) ((((major) & 0xff) << 8) | ((minor) & 0xff))
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#endif
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#ifndef STDIN_FILENO
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#define STDIN_FILENO 0
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#endif
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#ifndef STDOUT_FILENO
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#define STDOUT_FILENO 1
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#endif
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#ifndef STDERR_FILENO
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#define STDERR_FILENO 2
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#endif
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/*** enums ***************************************************************************************/
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/*** structures declarations (and typedefs of structures)*****************************************/
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/*** global variables defined in .c file *********************************************************/
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/*** declarations of public functions ************************************************************/
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/*** inline functions ****************************************************************************/
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#endif
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