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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 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;
-
- #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;
-
- /* 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. */
- long input_bytes, output_bytes;
-
- /* 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;
-