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+/* global.c - global variables and initial values for cpio.
+ Copyright (C) 1990, 1991, 1992, 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 defined(HAVE_CONFIG_H)
+# include <config.h>
+#endif
+
+#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;
+
+/* Name of the remote shell command, if known; NULL otherwise. */
+char *rsh_command_option = 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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