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Sort out problems with POSIX constants.

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This commit is contained in:
Kees van Reeuwijk
2010-06-22 10:50:03 +00:00
parent 15210b3e06
commit 3eed5d3bdb
5 changed files with 28 additions and 10 deletions
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15
include/limits.h
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@@ -6,6 +6,8 @@
#ifndef _LIMITS_H
#define _LIMITS_H
#include <minix/limits.h>
/* Definitions about chars (8 bits in MINIX, and signed). */
#define CHAR_BIT 8 /* # bits in a char */
#define CHAR_MIN -128 /* minimum value of a char */
@@ -62,8 +64,13 @@
#define _POSIX_MAX_INPUT 255 /* you can type 255 chars ahead */
#define _POSIX_NAME_MAX DIRSIZ /* max. file name length */
#define _POSIX_NGROUPS_MAX 8 /* max. number of supplemental groups */
#define _POSIX_OPEN_MAX 16 /* a process may have 16 files open */
#define _POSIX_PATH_MAX 255 /* a pathname may contain 255 chars */
/* a process may have this many files open */
#define _POSIX_OPEN_MAX __MINIX_OPEN_MAX
/* a pathname may contain at most this many chars */
#define _POSIX_PATH_MAX __MINIX_PATH_MAX
#define _POSIX_PIPE_BUF 512 /* pipes writes of 512 bytes must be atomic */
#define _POSIX_STREAM_MAX 8 /* at least 8 FILEs can be open at once */
#define _POSIX_TZNAME_MAX 3 /* time zone names can be at least 3 chars */
@@ -85,7 +92,7 @@
#define ARG_MAX 4096 /* args + environ on small machines */
#endif
#define CHILD_MAX _NO_LIMIT /* MINIX does not limit children */
#define OPEN_MAX 30 /* # open files a process may have */
#define OPEN_MAX __MINIX_OPEN_MAX /* # open files a process may have */
#if 0 /* V1 file system */
#define LINK_MAX CHAR_MAX /* # links a file may have */
#else /* V2 or better file system */
@@ -94,7 +101,7 @@
#define MAX_CANON 255 /* size of the canonical input queue */
#define MAX_INPUT 255 /* size of the type-ahead buffer */
#define NAME_MAX DIRSIZ /* # chars in a file name */
#define PATH_MAX 255 /* # chars in a path name */
#define PATH_MAX __MINIX_PATH_MAX /* # chars in a path name */
#define PIPE_BUF 7168 /* # bytes in atomic write to a pipe */
#define STREAM_MAX 20 /* must be the same as FOPEN_MAX in stdio.h */
#define TZNAME_MAX 3 /* maximum bytes in a time zone name is 3 */