diff options
Diffstat (limited to 'contrib/cpio/global.c')
| -rw-r--r-- | contrib/cpio/global.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/contrib/cpio/global.c b/contrib/cpio/global.c new file mode 100644 index 000000000000..7fb66b2fa698 --- /dev/null +++ b/contrib/cpio/global.c @@ -0,0 +1,197 @@ +/* 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; |