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Annotation of coherent/d/usr/bin/pax/shipping/limits.h, revision 1.1.1.1

1.1       root        1: /* $Source: /newbits/usr/bin/pax/shipping/limits.h,v $
                      2:  *
                      3:  * $Revision: 1.1 $
                      4:  *
                      5:  *     limits.h - POSIX compatible defnitions for some of <limits.h>
                      6:  *
                      7:  * DESCRIPTION
                      8:  *
                      9:  *     We need to include <limits.h> if this system is being compiled with an 
                     10:  *     ANSI standard C compiler, or if we are running on a POSIX confomrming 
                     11:  *     system.  If the manifest constant _POSIX_SOURCE is not defined when 
                     12:  *     <limits.h> is included, then none of the POSIX constants are defined 
                     13:  *     and we need to define them here.  It's a bit wierd, but it works.
                     14:  *
                     15:  *     These values where taken from the IEEE P1003.1 standard, draft 12.
                     16:  *     All of the values below are the MINIMUM values allowed by the standard.
                     17:  *     Not all values are used by the PAX program, but they are included for
                     18:  *     completeness, and for support of future enhancements.  Please see
                     19:  *     section 2.9 of the draft standard for more information on the following
                     20:  *     constants.
                     21:  *
                     22:  * AUTHOR
                     23:  *
                     24:  *     Mark H. Colburn, NAPS International ([email protected])
                     25:  *
                     26:  * Sponsored by The USENIX Association for public distribution. 
                     27:  *
                     28:  * Copyright (c) 1989 Mark H. Colburn.
                     29:  * All rights reserved.
                     30:  *
                     31:  * Redistribution and use in source and binary forms are permitted
                     32:  * provided that the above copyright notice and this paragraph are
                     33:  * duplicated in all such forms and that any documentation,
                     34:  * advertising materials, and other materials related to such
                     35:  * distribution and use acknowledge that the software was developed
                     36:  * by Mark H. Colburn and sponsored by The USENIX Association. 
                     37:  *
                     38:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     39:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     40:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     41:  */
                     42: 
                     43: #ifndef _PAX_LIMITS_H
                     44: #define _PAX_LIMITS_H
                     45: 
                     46: /* Headers */
                     47: 
                     48: #if (__STDC__)
                     49: #   include <limits.h>
                     50: #endif
                     51: #ifdef _POSIX_SOURCE
                     52: #   include <limits.h>
                     53: #endif
                     54: 
                     55: /* Defines */
                     56: 
                     57: #ifndef _POSIX_SOURCE
                     58: 
                     59: #define MAX_INPUT      256     /* Max numbef of bytes in terminal input */
                     60: #define NGROUPS_MAX    1       /* Max number of suplemental group id's */
                     61: #define PASS_MAX       8       /* Max number of bytes in a password */
                     62: #define PID_MAX                30000   /* Max value for a process ID */
                     63: #define UID_MAX                32000   /* Max value for a user or group ID */
                     64: #define ARG_MAX                4096    /* Nax number of bytes passed to exec */
                     65: #define CHILD_MAX      6       /* Max number of simultaneous processes */
                     66: #define MAX_CANON      256     /* Max numbef of bytes in a cononical queue */
                     67: #define OPEN_MAX       16      /* Nax number of open files per process */
                     68: #define NAME_MAX       14      /* Max number of bytes in a file name */
                     69: #define PATH_MAX       255     /* Max number of bytes in pathname */
                     70: #define LINK_MAX       8       /* Max value of a file's link count */
                     71: #define PIPE_BUF       512     /* Max number of bytes for pipe reads */
                     72: 
                     73: #endif /* _POSIX_SOURCE */
                     74: #endif /* _PAX_LIMITS_H */

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