/* global.c - global variables and initial values for cpio. Copyright (C) 1990, 1991, 1992, 2001, 2006, 2007, 2009, 2010 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 3, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include #include "cpiohdr.h" #include "dstring.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; /* Umask for creating new directories */ mode_t newdir_umask; /* 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. */ size_t 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'. */ size_t input_size, output_size; off_t input_bytes, output_bytes; /* 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; /* Print extra warning messages */ unsigned int warn_option = 0; /* Extract to standard output? */ bool to_stdout_option = false; /* The name this program was run with. */ extern 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;