/* 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 #endif #include #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;