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/* global.c - global variables and initial values for cpio.
Copyright (C) 1990, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <sys/types.h>
#include "cpiohdr.h"
#include "dstring.h"
#include "system.h"
#include "extern.h"
/* If TRUE, reset access times after reading files (-a). */
int reset_time_flag = FALSE;
/* Block size value, initially 512. -B sets to 5120. */
int io_block_size = 512;
/* The header format to recognize and produce. */
enum archive_format archive_format = arf_unknown;
/* If TRUE, create directories as needed. (-d with -i or -p) */
int create_dir_flag = FALSE;
/* If TRUE, interactively rename files. (-r) */
int rename_flag = FALSE;
/* If non-NULL, the name of a file that will be read to
rename all of the files in the archive. --rename-batch-file. */
char *rename_batch_file = NULL;
/* If TRUE, print a table of contents of input. (-t) */
int table_flag = FALSE;
/* If TRUE, copy unconditionally (older replaces newer). (-u) */
int unconditional_flag = FALSE;
/* If TRUE, list the files processed, or ls -l style output with -t. (-v) */
int verbose_flag = FALSE;
/* If TRUE, print a . for each file processed. (-V) */
int dot_flag = FALSE;
/* If TRUE, link files whenever possible. Used with -p option. (-l) */
int link_flag = FALSE;
/* If TRUE, retain previous file modification time. (-m) */
int retain_time_flag = FALSE;
/* Set TRUE if crc_flag is TRUE and we are doing a cpio -i. Used
by copy_files so it knows whether to compute the crc. */
int crc_i_flag = FALSE;
/* If TRUE, append to end of archive. (-A) */
int append_flag = FALSE;
/* If TRUE, swap bytes of each file during cpio -i. */
int swap_bytes_flag = FALSE;
/* If TRUE, swap halfwords of each file during cpio -i. */
int swap_halfwords_flag = FALSE;
/* If TRUE, we are swapping halfwords on the current file. */
int swapping_halfwords = FALSE;
/* If TRUE, we are swapping bytes on the current file. */
int swapping_bytes = FALSE;
/* If TRUE, set ownership of all files to UID `set_owner'. */
int set_owner_flag = FALSE;
uid_t set_owner;
/* If TRUE, set group ownership of all files to GID `set_group'. */
int set_group_flag = FALSE;
gid_t set_group;
/* If TRUE, do not chown the files. */
int no_chown_flag = FALSE;
/* If TRUE, try to write sparse ("holey") files. */
int sparse_flag = FALSE;
/* If TRUE, don't report number of blocks copied. */
int quiet_flag = FALSE;
/* If TRUE, only read the archive and verify the files' CRC's, don't
actually extract the files. */
int only_verify_crc_flag = FALSE;
/* If TRUE, don't use any absolute paths, prefix them by `./'. */
int no_abs_paths_flag = FALSE;
#ifdef DEBUG_CPIO
/* If TRUE, print debugging information. */
int debug_flag = FALSE;
#endif
/* File position of last header read. Only used during -A to determine
where the old TRAILER!!! record started. */
int last_header_start = 0;
/* With -i; if TRUE, copy only files that match any of the given patterns;
if FALSE, copy only files that do not match any of the patterns. (-f) */
int copy_matching_files = TRUE;
/* With -itv; if TRUE, list numeric uid and gid instead of translating them
into names. */
int numeric_uid = FALSE;
/* Name of file containing additional patterns (-E). */
char *pattern_file_name = NULL;
/* Message to print when end of medium is reached (-M). */
char *new_media_message = NULL;
/* With -M with %d, message to print when end of medium is reached. */
char *new_media_message_with_number = NULL;
char *new_media_message_after_number = NULL;
/* File descriptor containing the archive. */
int archive_des;
/* Name of file containing the archive, if known; NULL if stdin/out. */
char *archive_name = NULL;
/* CRC checksum. */
unsigned long crc;
/* Input and output buffers. */
char *input_buffer, *output_buffer;
/* The size of the input buffer. */
long input_buffer_size;
/* Current locations in `input_buffer' and `output_buffer'. */
char *in_buff, *out_buff;
/* Current number of bytes stored at `input_buff' and `output_buff'. */
long input_size, output_size;
/* Total number of bytes read and written for all files.
Now that many tape drives hold more than 4Gb we need more than 32
bits to hold input_bytes and output_bytes. But it's not worth
the trouble of adding special multi-precision arithmetic if the
compiler doesn't support 64 bit ints since input_bytes and
output_bytes are only used to print the number of blocks copied. */
#ifdef __GNUC__
long long input_bytes, output_bytes;
#else
long input_bytes, output_bytes;
#endif
/* 512 bytes of 0; used for various padding operations. */
char zeros_512[512];
/* Saving of argument values for later reference. */
char *directory_name = NULL;
char **save_patterns;
int num_patterns;
/* Character that terminates file names read from stdin. */
char name_end = '\n';
/* TRUE if input (cpio -i) or output (cpio -o) is a device node. */
char input_is_special = FALSE;
char output_is_special = FALSE;
/* TRUE if lseek works on the input. */
char input_is_seekable = FALSE;
/* TRUE if lseek works on the output. */
char output_is_seekable = FALSE;
/* If nonzero, don't consider file names that contain a `:' to be
on remote hosts; all files are local. */
int f_force_local = 0;
/* The name this program was run with. */
char *program_name;
/* A pointer to either lstat or stat, depending on whether
dereferencing of symlinks is done for input files. */
int (*xstat) ();
/* Which copy operation to perform. (-i, -o, -p) */
void (*copy_function) () = 0;
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