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Diffstat (limited to 'contrib/gnu-sort/src/system.h')
| -rw-r--r-- | contrib/gnu-sort/src/system.h | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/contrib/gnu-sort/src/system.h b/contrib/gnu-sort/src/system.h new file mode 100644 index 000000000000..6e11e44bdce0 --- /dev/null +++ b/contrib/gnu-sort/src/system.h @@ -0,0 +1,286 @@ +/* system-dependent definitions for fileutils, textutils, and sh-utils packages. + Copyright (C) 1989, 1991-2001 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* Include sys/types.h before this file. */ + +#include <sys/stat.h> + +#if !defined(HAVE_MKFIFO) +# define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0)) +#endif + +#if HAVE_SYS_PARAM_H +# include <sys/param.h> +#endif + +/* <unistd.h> should be included before any preprocessor test + of _POSIX_VERSION. */ +#if HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifndef STDIN_FILENO +# define STDIN_FILENO 0 +#endif + +#ifndef STDOUT_FILENO +# define STDOUT_FILENO 1 +#endif + +#ifndef STDERR_FILENO +# define STDERR_FILENO 2 +#endif + + +#if HAVE_LIMITS_H +/* limits.h must come before pathmax.h because limits.h on some systems + undefs PATH_MAX, whereas pathmax.h sets PATH_MAX. */ +# include <limits.h> +#endif + +#include "pathmax.h" + +#if TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# if HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# include <time.h> +# endif +#endif + +/* Since major is a function on SVR4, we can't use `ifndef major'. */ +#if MAJOR_IN_MKDEV +# include <sys/mkdev.h> +# define HAVE_MAJOR +#endif +#if MAJOR_IN_SYSMACROS +# include <sys/sysmacros.h> +# define HAVE_MAJOR +#endif +#ifdef major /* Might be defined in sys/types.h. */ +# define HAVE_MAJOR +#endif + +#ifndef HAVE_MAJOR +# define major(dev) (((dev) >> 8) & 0xff) +# define minor(dev) ((dev) & 0xff) +# define makedev(maj, min) (((maj) << 8) | (min)) +#endif +#undef HAVE_MAJOR + +#if HAVE_UTIME_H +# include <utime.h> +#endif + +/* Some systems (even some that do have <utime.h>) don't declare this + structure anywhere. */ +#ifndef HAVE_STRUCT_UTIMBUF +struct utimbuf +{ + long actime; + long modtime; +}; +#endif + +/* Don't use bcopy! Use memmove if source and destination may overlap, + memcpy otherwise. */ + +#if HAVE_STRING_H +# if !STDC_HEADERS && HAVE_MEMORY_H +# include <memory.h> +# endif +# include <string.h> +#else +# include <strings.h> +#endif + +#include <errno.h> +#ifndef errno +extern int errno; +#endif + +#if HAVE_STDBOOL_H +# include <stdbool.h> +#else +typedef enum {false = 0, true = 1} bool; +#endif + +#if HAVE_STDLIB_H +# define getopt system_getopt +# include <stdlib.h> +# undef getopt +#endif + +/* The following test is to work around the gross typo in + systems like Sony NEWS-OS Release 4.0C, whereby EXIT_FAILURE + is defined to 0, not 1. */ +#if !EXIT_FAILURE +# undef EXIT_FAILURE +# define EXIT_FAILURE 1 +#endif + +#ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +#endif + +#if HAVE_FCNTL_H +# include <fcntl.h> +#else +# include <sys/file.h> +#endif + +#if !defined (SEEK_SET) +# define SEEK_SET 0 +# define SEEK_CUR 1 +# define SEEK_END 2 +#endif +#ifndef F_OK +# define F_OK 0 +# define X_OK 1 +# define W_OK 2 +# define R_OK 4 +#endif + +/* For systems that distinguish between text and binary I/O. + O_BINARY is usually declared in fcntl.h */ +#if !defined O_BINARY && defined _O_BINARY + /* For MSC-compatible compilers. */ +# define O_BINARY _O_BINARY +# define O_TEXT _O_TEXT +#endif + +#ifdef __BEOS__ + /* BeOS 5 has O_BINARY and O_TEXT, but they have no effect. */ +# undef O_BINARY +# undef O_TEXT +#endif + +#if O_BINARY +# ifndef __DJGPP__ +# define setmode _setmode +# define fileno(_fp) _fileno (_fp) +# endif /* not DJGPP */ +# define SET_MODE(_f, _m) setmode (_f, _m) +# define SET_BINARY(_f) do {if (!isatty(_f)) setmode (_f, O_BINARY);} while (0) +# define SET_BINARY2(_f1, _f2) \ + do { \ + if (!isatty (_f1)) \ + { \ + setmode (_f1, O_BINARY); \ + if (!isatty (_f2)) \ + setmode (_f2, O_BINARY); \ + } \ + } while(0) +#else +# define SET_MODE(_f, _m) (void)0 +# define SET_BINARY(f) (void)0 +# define SET_BINARY2(f1,f2) (void)0 +# define O_BINARY 0 +# define O_TEXT 0 +#endif /* O_BINARY */ + +#if HAVE_DIRENT_H +# include <dirent.h> +# define NLENGTH(direct) (strlen((direct)->d_name)) +#else /* not HAVE_DIRENT_H */ +# define dirent direct +# define NLENGTH(direct) ((direct)->d_namlen) +# if HAVE_SYS_NDIR_H +# include <sys/ndir.h> +# endif /* HAVE_SYS_NDIR_H */ +# if HAVE_SYS_DIR_H +# include <sys/dir.h> +# endif /* HAVE_SYS_DIR_H */ +# if HAVE_NDIR_H +# include <ndir.h> +# endif /* HAVE_NDIR_H */ +#endif /* HAVE_DIRENT_H */ + +#if CLOSEDIR_VOID +/* Fake a return value. */ +# define CLOSEDIR(d) (closedir (d), 0) +#else +# define CLOSEDIR(d) closedir (d) +#endif + +/* Get or fake the disk device blocksize. + Usually defined by sys/param.h (if at all). */ +#if !defined DEV_BSIZE && defined BSIZE +# define DEV_BSIZE BSIZE +#endif +#if !defined DEV_BSIZE && defined BBSIZE /* SGI */ +# define DEV_BSIZE BBSIZE +#endif +#ifndef DEV_BSIZE +# define DEV_BSIZE 4096 +#endif + +/* Extract or fake data from a `struct stat'. + ST_BLKSIZE: Preferred I/O blocksize for the file, in bytes. + ST_NBLOCKS: Number of blocks in the file, including indirect blocks. + ST_NBLOCKSIZE: Size of blocks used when calculating ST_NBLOCKS. */ +#ifndef HAVE_STRUCT_STAT_ST_BLOCKS +# define ST_BLKSIZE(statbuf) DEV_BSIZE +# if defined(_POSIX_SOURCE) || !defined(BSIZE) /* fileblocks.c uses BSIZE. */ +# define ST_NBLOCKS(statbuf) \ + (S_ISREG ((statbuf).st_mode) \ + || S_ISDIR ((statbuf).st_mode) \ + ? (statbuf).st_size / ST_NBLOCKSIZE + ((statbuf).st_size % ST_NBLOCKSIZE != 0) : 0) +# else /* !_POSIX_SOURCE && BSIZE */ +# define ST_NBLOCKS(statbuf) \ + (S_ISREG ((statbuf).st_mode) \ + || S_ISDIR ((statbuf).st_mode) \ + ? st_blocks ((statbuf).st_size) : 0) +# endif /* !_POSIX_SOURCE && BSIZE */ +#else /* HAVE_STRUCT_STAT_ST_BLOCKS */ +/* Some systems, like Sequents, return st_blksize of 0 on pipes. */ +# define ST_BLKSIZE(statbuf) ((statbuf).st_blksize > 0 \ + ? (statbuf).st_blksize : DEV_BSIZE) +# if defined(hpux) || defined(__hpux__) || defined(__hpux) +/* HP-UX counts st_blocks in 1024-byte units. + This loses when mixing HP-UX and BSD filesystems with NFS. */ +# define ST_NBLOCKSIZE 1024 +# else /* !hpux */ +# if defined(_AIX) && defined(_I386) +/* AIX PS/2 counts st_blocks in 4K units. */ +# define ST_NBLOCKSIZE (4 * 1024) +# else /* not AIX PS/2 */ +# if defined(_CRAY) +# define ST_NBLOCKS(statbuf) \ + (S_ISREG ((statbuf).st_mode) \ + || S_ISDIR ((statbuf).st_mode) \ + ? (statbuf).st_blocks * ST_BLKSIZE(statbuf)/ST_NBLOCKSIZE : 0) +# endif /* _CRAY */ +# endif /* not AIX PS/2 */ +# endif /* !hpux */ +#endif /* HAVE_STRUCT_STAT_ST_BLOCKS */ + +#ifndef ST_NBLOCKS +# define ST_NBLOCKS(statbuf) \ + (S_ISREG ((statbuf).st_mode) \ + || S_ISDIR ((statbuf).st_mode) \ + ? (statbuf).st_blocks : 0) +#endif + +#ifndef ST_NBLOCKSIZE +# define ST_NBLOCKSIZE 512 +#endif + +#include "sys2.h" |