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Diffstat (limited to 'contrib/tar/src/system.h')
| -rw-r--r-- | contrib/tar/src/system.h | 587 |
1 files changed, 587 insertions, 0 deletions
diff --git a/contrib/tar/src/system.h b/contrib/tar/src/system.h new file mode 100644 index 0000000..8e88159 --- /dev/null +++ b/contrib/tar/src/system.h @@ -0,0 +1,587 @@ +/* System dependent definitions for GNU tar. + + Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 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. +*/ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +/* Declare alloca. AIX requires this to be the first thing in the file. */ + +#if __GNUC__ +# define alloca __builtin_alloca +#else +# if HAVE_ALLOCA_H +# include <alloca.h> +# else +# ifdef _AIX + #pragma alloca +# else +# ifndef alloca +char *alloca (); +# endif +# endif +# endif +#endif + +#ifndef __attribute__ +/* This feature is available in gcc versions 2.5 and later. */ +# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ +# define __attribute__(Spec) /* empty */ +# endif +#endif + +#include <sys/types.h> +#include <ctype.h> + +#if HAVE_STDDEF_H +# include <stddef.h> +#endif +#ifndef offsetof +# define offsetof(type, ident) ((size_t) &((type *) 0)->ident) +#endif + +/* IN_CTYPE_DOMAIN (C) is nonzero if the unsigned char C can safely be given + as an argument to <ctype.h> macros like `isspace'. */ +#if STDC_HEADERS +# define IN_CTYPE_DOMAIN(c) 1 +#else +# define IN_CTYPE_DOMAIN(c) ((unsigned) (c) <= 0177) +#endif + +#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9) +#define ISODIGIT(c) ((unsigned) (c) - '0' <= 7) +#define ISPRINT(c) (IN_CTYPE_DOMAIN (c) && isprint (c)) +#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c)) + +/* Declare string and memory handling routines. Take care that an ANSI + string.h and pre-ANSI memory.h might conflict, and that memory.h and + strings.h conflict on some systems. */ + +#if STDC_HEADERS || HAVE_STRING_H +# include <string.h> +# if !STDC_HEADERS && HAVE_MEMORY_H +# include <memory.h> +# endif +#else +# include <strings.h> +# ifndef strchr +# define strchr index +# endif +# ifndef strrchr +# define strrchr rindex +# endif +# ifndef memcpy +# define memcpy(d, s, n) bcopy ((char const *) (s), (char *) (d), n) +# endif +# ifndef memcmp +# define memcmp(a, b, n) bcmp ((char const *) (a), (char const *) (b), n) +# endif +#endif + +/* Declare errno. */ + +#include <errno.h> +#ifndef errno +extern int errno; +#endif + +/* Declare open parameters. */ + +#if HAVE_FCNTL_H +# include <fcntl.h> +#else +# include <sys/file.h> +#endif + /* Pick only one of the next three: */ +#ifndef O_RDONLY +# define O_RDONLY 0 /* only allow read */ +#endif +#ifndef O_WRONLY +# define O_WRONLY 1 /* only allow write */ +#endif +#ifndef O_RDWR +# define O_RDWR 2 /* both are allowed */ +#endif +#ifndef O_ACCMODE +# define O_ACCMODE (O_RDONLY | O_RDWR | O_WRONLY) +#endif + /* The rest can be OR-ed in to the above: */ +#ifndef O_CREAT +# define O_CREAT 8 /* create file if needed */ +#endif +#ifndef O_EXCL +# define O_EXCL 16 /* file cannot already exist */ +#endif +#ifndef O_TRUNC +# define O_TRUNC 32 /* truncate file on open */ +#endif + /* MS-DOG forever, with my love! */ +#ifndef O_BINARY +# define O_BINARY 0 +#endif + +/* Declare file status routines and bits. */ + +#include <sys/stat.h> + +#if !HAVE_LSTAT && !defined lstat +# define lstat stat +#endif + +#if STX_HIDDEN && !_LARGE_FILES /* AIX */ +# ifdef stat +# undef stat +# endif +# define stat(path, buf) statx (path, buf, STATSIZE, STX_HIDDEN) +# ifdef lstat +# undef lstat +# endif +# define lstat(path, buf) statx (path, buf, STATSIZE, STX_HIDDEN | STX_LINK) +#endif + +#if STAT_MACROS_BROKEN +# undef S_ISBLK +# undef S_ISCHR +# undef S_ISCTG +# undef S_ISDIR +# undef S_ISFIFO +# undef S_ISLNK +# undef S_ISREG +# undef S_ISSOCK +#endif + +/* On MSDOS, there are missing things from <sys/stat.h>. */ +#if MSDOS +# define S_ISUID 0 +# define S_ISGID 0 +# define S_ISVTX 0 +#endif + +#ifndef S_ISDIR +# define S_ISDIR(Mode) (((Mode) & S_IFMT) == S_IFDIR) +#endif +#ifndef S_ISREG +# define S_ISREG(Mode) (((Mode) & S_IFMT) == S_IFREG) +#endif + +#ifndef S_ISBLK +# ifdef S_IFBLK +# define S_ISBLK(Mode) (((Mode) & S_IFMT) == S_IFBLK) +# else +# define S_ISBLK(Mode) 0 +# endif +#endif +#ifndef S_ISCHR +# ifdef S_IFCHR +# define S_ISCHR(Mode) (((Mode) & S_IFMT) == S_IFCHR) +# else +# define S_ISCHR(Mode) 0 +# endif +#endif +#ifndef S_ISCTG +# ifdef S_IFCTG +# define S_ISCTG(Mode) (((Mode) & S_IFMT) == S_IFCTG) +# else +# define S_ISCTG(Mode) 0 +# endif +#endif +#ifndef S_ISDOOR +# define S_ISDOOR(Mode) 0 +#endif +#ifndef S_ISFIFO +# ifdef S_IFIFO +# define S_ISFIFO(Mode) (((Mode) & S_IFMT) == S_IFIFO) +# else +# define S_ISFIFO(Mode) 0 +# endif +#endif +#ifndef S_ISLNK +# ifdef S_IFLNK +# define S_ISLNK(Mode) (((Mode) & S_IFMT) == S_IFLNK) +# else +# define S_ISLNK(Mode) 0 +# endif +#endif +#ifndef S_ISSOCK +# ifdef S_IFSOCK +# define S_ISSOCK(Mode) (((Mode) & S_IFMT) == S_IFSOCK) +# else +# define S_ISSOCK(Mode) 0 +# endif +#endif + +#if !HAVE_MKFIFO && !defined mkfifo && defined S_IFIFO +# define mkfifo(Path, Mode) (mknod (Path, (Mode) | S_IFIFO, 0)) +#endif + +#ifndef S_ISUID +# define S_ISUID 0004000 +#endif +#ifndef S_ISGID +# define S_ISGID 0002000 +#endif +#ifndef S_ISVTX +# define S_ISVTX 0001000 +#endif +#ifndef S_IRUSR +# define S_IRUSR 0000400 +#endif +#ifndef S_IWUSR +# define S_IWUSR 0000200 +#endif +#ifndef S_IXUSR +# define S_IXUSR 0000100 +#endif +#ifndef S_IRGRP +# define S_IRGRP 0000040 +#endif +#ifndef S_IWGRP +# define S_IWGRP 0000020 +#endif +#ifndef S_IXGRP +# define S_IXGRP 0000010 +#endif +#ifndef S_IROTH +# define S_IROTH 0000004 +#endif +#ifndef S_IWOTH +# define S_IWOTH 0000002 +#endif +#ifndef S_IXOTH +# define S_IXOTH 0000001 +#endif + +#define MODE_WXUSR (S_IWUSR | S_IXUSR) +#define MODE_R (S_IRUSR | S_IRGRP | S_IROTH) +#define MODE_RW (S_IWUSR | S_IWGRP | S_IWOTH | MODE_R) +#define MODE_RWX (S_IXUSR | S_IXGRP | S_IXOTH | MODE_RW) +#define MODE_ALL (S_ISUID | S_ISGID | S_ISVTX | MODE_RWX) + +#ifndef _POSIX_SOURCE +# include <sys/param.h> +#endif + +/* Include <unistd.h> before any preprocessor test of _POSIX_VERSION. */ +#if HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifndef SEEK_SET +# define SEEK_SET 0 +#endif +#ifndef SEEK_CUR +# define SEEK_CUR 1 +#endif +#ifndef SEEK_END +# define SEEK_END 2 +#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 + +/* Declare make device, major and minor. Since major is a function on + SVR4, we have to resort to GOT_MAJOR instead of just testing if + major is #define'd. */ + +#if MAJOR_IN_MKDEV +# include <sys/mkdev.h> +# define GOT_MAJOR +#endif + +#if MAJOR_IN_SYSMACROS +# include <sys/sysmacros.h> +# define GOT_MAJOR +#endif + +/* Some <sys/types.h> defines the macros. */ +#ifdef major +# define GOT_MAJOR +#endif + +#ifndef GOT_MAJOR +# if MSDOS +# define major(Device) (Device) +# define minor(Device) (Device) +# define makedev(Major, Minor) (((Major) << 8) | (Minor)) +# define GOT_MAJOR +# endif +#endif + +/* For HP-UX before HP-UX 8, major/minor are not in <sys/sysmacros.h>. */ +#ifndef GOT_MAJOR +# if defined(hpux) || defined(__hpux__) || defined(__hpux) +# include <sys/mknod.h> +# define GOT_MAJOR +# endif +#endif + +#ifndef GOT_MAJOR +# define major(Device) (((Device) >> 8) & 0xff) +# define minor(Device) ((Device) & 0xff) +# define makedev(Major, Minor) (((Major) << 8) | (Minor)) +#endif + +#undef GOT_MAJOR + +/* Declare wait status. */ + +#if HAVE_SYS_WAIT_H +# include <sys/wait.h> +#endif +#ifndef WEXITSTATUS +# define WEXITSTATUS(s) (((s) >> 8) & 0xff) +#endif +#ifndef WIFSIGNALED +# define WIFSIGNALED(s) (((s) & 0xffff) - 1 < (unsigned) 0xff) +#endif +#ifndef WTERMSIG +# define WTERMSIG(s) ((s) & 0x7f) +#endif + +/* FIXME: It is wrong to use BLOCKSIZE for buffers when the logical block + size is greater than 512 bytes; so ST_BLKSIZE code below, in preparation + for some cleanup in this area, later. */ + +/* 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 gives the + optimal I/O blocksize for the file, in bytes. Some systems, like + Sequents, return st_blksize of 0 on pipes. */ + +#if !HAVE_ST_BLKSIZE +# define ST_BLKSIZE(Statbuf) DEV_BSIZE +#else +# define ST_BLKSIZE(Statbuf) \ + ((Statbuf).st_blksize > 0 ? (Statbuf).st_blksize : DEV_BSIZE) +#endif + +/* Extract or fake data from a `struct stat'. ST_NBLOCKS gives the + number of ST_NBLOCKSIZE-byte blocks in the file (including indirect blocks). + HP-UX counts st_blocks in 1024-byte units, + this loses when mixing HP-UX and BSD filesystems with NFS. AIX PS/2 + counts st_blocks in 4K units. */ + +#if !HAVE_ST_BLOCKS +# if defined(_POSIX_SOURCE) || !defined(BSIZE) +# define ST_NBLOCKS(Statbuf) ((Statbuf).st_size / ST_NBLOCKSIZE + ((Statbuf).st_size % ST_NBLOCKSIZE != 0)) +# else + off_t st_blocks (); +# define ST_NBLOCKS(Statbuf) (st_blocks ((Statbuf).st_size)) +# endif +#else +# define ST_NBLOCKS(Statbuf) ((Statbuf).st_blocks) +# if defined(hpux) || defined(__hpux__) || defined(__hpux) +# define ST_NBLOCKSIZE 1024 +# else +# if defined(_AIX) && defined(_I386) +# define ST_NBLOCKSIZE (4 * 1024) +# endif +# endif +#endif + +#ifndef ST_NBLOCKSIZE +#define ST_NBLOCKSIZE 512 +#endif + +/* This is a real challenge to properly get MTIO* symbols :-(. ISC uses + <sys/gentape.h>. SCO and BSDi uses <sys/tape.h>; BSDi also requires + <sys/tprintf.h> and <sys/device.h> for defining tp_dev and tpr_t. It + seems that the rest use <sys/mtio.h>, which itself requires other files, + depending on systems. Pyramid defines _IOW in <sgtty.h>, for example. */ + +#if HAVE_SYS_GENTAPE_H +# include <sys/gentape.h> +#else +# if HAVE_SYS_TAPE_H +# if HAVE_SYS_DEVICE_H +# include <sys/device.h> +# endif +# if HAVE_SYS_BUF_H +# include <sys/buf.h> +# endif +# if HAVE_SYS_TPRINTF_H +# include <sys/tprintf.h> +# endif +# include <sys/tape.h> +# else +# if HAVE_SYS_MTIO_H +# include <sys/ioctl.h> +# if HAVE_SGTTY_H +# include <sgtty.h> +# endif +# if HAVE_SYS_IO_TRIOCTL_H +# include <sys/io/trioctl.h> +# endif +# include <sys/mtio.h> +# endif +# endif +#endif + +/* Declare standard functions. */ + +#if STDC_HEADERS +# include <stdlib.h> +#else +void *malloc (); +void *realloc (); +char *getenv (); +#endif + +#if HAVE_STDBOOL_H +# include <stdbool.h> +#else +typedef enum {false = 0, true = 1} bool; +#endif + +#include <stdio.h> + +#ifndef _POSIX_VERSION +# if MSDOS +# include <io.h> +# else +off_t lseek (); +# endif +#endif + +#if WITH_DMALLOC +# undef HAVE_VALLOC +# define DMALLOC_FUNC_CHECK +# include <dmalloc.h> +#endif + +#if HAVE_LIMITS_H +# include <limits.h> +#endif + +#ifndef CHAR_BIT +# define CHAR_BIT 8 +#endif + +#ifndef CHAR_MAX +# define CHAR_MAX TYPE_MAXIMUM (char) +#endif + +#ifndef UCHAR_MAX +# define UCHAR_MAX TYPE_MAXIMUM (unsigned char) +#endif + +#ifndef LONG_MAX +# define LONG_MAX TYPE_MAXIMUM (long) +#endif + +#ifndef MB_LEN_MAX +# define MB_LEN_MAX 1 +#endif + +#if HAVE_INTTYPES_H +# include <inttypes.h> +#endif + +/* These macros work even on ones'-complement hosts (!). + The extra casts work around common compiler bugs. */ +#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) +#define TYPE_MINIMUM(t) (TYPE_SIGNED (t) \ + ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) \ + : (t) 0) +#define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t))) + +/* Bound on length of the string representing an integer value of type t. + Subtract one for the sign bit if t is signed; + 302 / 1000 is log10 (2) rounded up; + add one for integer division truncation; + add one more for a minus sign if t is signed. */ +#define INT_STRLEN_BOUND(t) \ + ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 \ + + 1 + TYPE_SIGNED (t)) + +#define UINTMAX_STRSIZE_BOUND (INT_STRLEN_BOUND (uintmax_t) + 1) + +/* Prototypes for external functions. */ + +#ifndef PARAMS +# if PROTOTYPES +# define PARAMS(Args) Args +# else +# define PARAMS(Args) () +# endif +#endif + +#if HAVE_LOCALE_H +# include <locale.h> +#endif +#if !HAVE_SETLOCALE +# define setlocale(Category, Locale) /* empty */ +#endif + +#if ENABLE_NLS +# include <libintl.h> +# define _(Text) gettext (Text) +#else +# undef bindtextdomain +# define bindtextdomain(Domain, Directory) /* empty */ +# undef textdomain +# define textdomain(Domain) /* empty */ +# define _(Text) Text +#endif +#define N_(Text) Text + +#include <time.h> +#ifndef time +time_t time (); +#endif + +/* Library modules. */ + +#include <dirname.h> +#include <error.h> +#include <savedir.h> +#include <xalloc.h> + +#if !HAVE_STRSTR +char *strstr PARAMS ((const char *, const char *)); +#endif + +#if HAVE_VALLOC +# ifndef valloc +void *valloc (); +# endif +#else +# define valloc(Size) malloc (Size) +#endif + +char *xstrdup PARAMS ((char const *)); |
