diff options
Diffstat (limited to 'gnu/usr.bin/cpio/copyout.c')
| -rw-r--r-- | gnu/usr.bin/cpio/copyout.c | 936 |
1 files changed, 0 insertions, 936 deletions
diff --git a/gnu/usr.bin/cpio/copyout.c b/gnu/usr.bin/cpio/copyout.c deleted file mode 100644 index 77053d9..0000000 --- a/gnu/usr.bin/cpio/copyout.c +++ /dev/null @@ -1,936 +0,0 @@ -/* copyout.c - create a cpio archive - 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 <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "filetypes.h" -#include "system.h" -#include "cpiohdr.h" -#include "dstring.h" -#include "extern.h" -#include "defer.h" -#include "rmt.h" - -static unsigned long read_for_checksum (); -static void clear_rest_of_block (); -static void pad_output (); -static int last_link (); -static int count_defered_links_to_dev_ino (); -static void add_link_defer (); -static void writeout_other_defers (); -static void writeout_final_defers(); -static void writeout_defered_file (); -static int check_rdev (); - -/* Write out header FILE_HDR, including the file name, to file - descriptor OUT_DES. */ - -void -write_out_header (file_hdr, out_des) - struct new_cpio_header *file_hdr; - int out_des; -{ - if (archive_format == arf_newascii || archive_format == arf_crcascii) - { - char ascii_header[112]; - char *magic_string; - - if (archive_format == arf_crcascii) - magic_string = "070702"; - else - magic_string = "070701"; - sprintf (ascii_header, - "%6s%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx", - magic_string, - file_hdr->c_ino, file_hdr->c_mode, file_hdr->c_uid, - file_hdr->c_gid, file_hdr->c_nlink, file_hdr->c_mtime, - file_hdr->c_filesize, file_hdr->c_dev_maj, file_hdr->c_dev_min, - file_hdr->c_rdev_maj, file_hdr->c_rdev_min, file_hdr->c_namesize, - file_hdr->c_chksum); - copy_buf_out (ascii_header, out_des, 110L); - - /* Write file name to output. */ - copy_buf_out (file_hdr->c_name, out_des, (long) file_hdr->c_namesize); - pad_output (out_des, file_hdr->c_namesize + 110); - } - else if (archive_format == arf_oldascii || archive_format == arf_hpoldascii) - { - char ascii_header[78]; -#ifndef __MSDOS__ - dev_t dev; - dev_t rdev; - - if (archive_format == arf_oldascii) - { - dev = makedev (file_hdr->c_dev_maj, file_hdr->c_dev_min); - rdev = makedev (file_hdr->c_rdev_maj, file_hdr->c_rdev_min); - } - else - { - /* HP/UX cpio creates archives that look just like ordinary archives, - but for devices it sets major = 0, minor = 1, and puts the - actual major/minor number in the filesize field. */ - switch (file_hdr->c_mode & CP_IFMT) - { - case CP_IFCHR: - case CP_IFBLK: -#ifdef CP_IFSOCK - case CP_IFSOCK: -#endif -#ifdef CP_IFIFO - case CP_IFIFO: -#endif - file_hdr->c_filesize = makedev (file_hdr->c_rdev_maj, - file_hdr->c_rdev_min); - rdev = 1; - break; - default: - dev = makedev (file_hdr->c_dev_maj, file_hdr->c_dev_min); - rdev = makedev (file_hdr->c_rdev_maj, file_hdr->c_rdev_min); - break; - } - } -#else - int dev = 0, rdev = 0; -#endif - - if ((file_hdr->c_ino >> 16) != 0) - error (0, 0, "%s: truncating inode number", file_hdr->c_name); - - sprintf (ascii_header, - "%06lo%06lo%06lo%06lo%06lo%06lo%06lo%06lo%011lo%06lo%011lo", - file_hdr->c_magic & 0xFFFF, dev & 0xFFFF, - file_hdr->c_ino & 0xFFFF, file_hdr->c_mode & 0xFFFF, - file_hdr->c_uid & 0xFFFF, file_hdr->c_gid & 0xFFFF, - file_hdr->c_nlink & 0xFFFF, rdev & 0xFFFF, - file_hdr->c_mtime, file_hdr->c_namesize & 0xFFFF, - file_hdr->c_filesize); - copy_buf_out (ascii_header, out_des, 76L); - - /* Write file name to output. */ - copy_buf_out (file_hdr->c_name, out_des, (long) file_hdr->c_namesize); - } - else if (archive_format == arf_tar || archive_format == arf_ustar) - { - write_out_tar_header (file_hdr, out_des); - } - else - { - struct old_cpio_header short_hdr; - - short_hdr.c_magic = 070707; - short_hdr.c_dev = makedev (file_hdr->c_dev_maj, file_hdr->c_dev_min); - - if ((file_hdr->c_ino >> 16) != 0) - error (0, 0, "%s: truncating inode number", file_hdr->c_name); - - short_hdr.c_ino = file_hdr->c_ino & 0xFFFF; - short_hdr.c_mode = file_hdr->c_mode & 0xFFFF; - short_hdr.c_uid = file_hdr->c_uid & 0xFFFF; - short_hdr.c_gid = file_hdr->c_gid & 0xFFFF; - short_hdr.c_nlink = file_hdr->c_nlink & 0xFFFF; - if (archive_format != arf_hpbinary) - short_hdr.c_rdev = makedev (file_hdr->c_rdev_maj, file_hdr->c_rdev_min); - else - { - switch (file_hdr->c_mode & CP_IFMT) - { - /* HP/UX cpio creates archives that look just like ordinary - archives, but for devices it sets major = 0, minor = 1, and - puts the actual major/minor number in the filesize field. */ - case CP_IFCHR: - case CP_IFBLK: -#ifdef CP_IFSOCK - case CP_IFSOCK: -#endif -#ifdef CP_IFIFO - case CP_IFIFO: -#endif - file_hdr->c_filesize = makedev (file_hdr->c_rdev_maj, - file_hdr->c_rdev_min); - short_hdr.c_rdev = makedev (0, 1); - break; - default: - short_hdr.c_rdev = makedev (file_hdr->c_rdev_maj, - file_hdr->c_rdev_min); - break; - } - } - short_hdr.c_mtimes[0] = file_hdr->c_mtime >> 16; - short_hdr.c_mtimes[1] = file_hdr->c_mtime & 0xFFFF; - - short_hdr.c_namesize = file_hdr->c_namesize & 0xFFFF; - - short_hdr.c_filesizes[0] = file_hdr->c_filesize >> 16; - short_hdr.c_filesizes[1] = file_hdr->c_filesize & 0xFFFF; - - /* Output the file header. */ - copy_buf_out ((char *) &short_hdr, out_des, 26L); - - /* Write file name to output. */ - copy_buf_out (file_hdr->c_name, out_des, (long) file_hdr->c_namesize); - - pad_output (out_des, file_hdr->c_namesize + 26); - } -} - -/* Read a list of file names from the standard input - and write a cpio collection on the standard output. - The format of the header depends on the compatibility (-c) flag. */ - -void -process_copy_out () -{ - int res; /* Result of functions. */ - dynamic_string input_name; /* Name of file read from stdin. */ - struct utimbuf times; /* For resetting file times after copy. */ - struct stat file_stat; /* Stat record for file. */ - struct new_cpio_header file_hdr; /* Output header information. */ - int in_file_des; /* Source file descriptor. */ - int out_file_des; /* Output file descriptor. */ - char *p; - - /* Initialize the copy out. */ - ds_init (&input_name, 128); - /* Initialize this in case it has members we don't know to set. */ - bzero (×, sizeof (struct utimbuf)); - file_hdr.c_magic = 070707; - -#ifdef __MSDOS__ - setmode (archive_des, O_BINARY); -#endif - /* Check whether the output file might be a tape. */ - out_file_des = archive_des; - if (_isrmt (out_file_des)) - { - output_is_special = 1; - output_is_seekable = 0; - } - else - { - if (fstat (out_file_des, &file_stat)) - error (1, errno, "standard output is closed"); - output_is_special = -#ifdef S_ISBLK - S_ISBLK (file_stat.st_mode) || -#endif - S_ISCHR (file_stat.st_mode); - output_is_seekable = S_ISREG (file_stat.st_mode); - } - - if (append_flag) - { - process_copy_in (); - prepare_append (out_file_des); - } - - /* Copy files with names read from stdin. */ - while (ds_fgetstr (stdin, &input_name, name_end) != NULL) - { - /* Check for blank line. */ - if (input_name.ds_string[0] == 0) - { - error (0, 0, "blank line ignored"); - continue; - } - - /* Process next file. */ - if ((*xstat) (input_name.ds_string, &file_stat) < 0) - error (0, errno, "%s", input_name.ds_string); - else - { - /* Set values in output header. */ - file_hdr.c_dev_maj = major (file_stat.st_dev); - file_hdr.c_dev_min = minor (file_stat.st_dev); - file_hdr.c_ino = file_stat.st_ino; - /* For POSIX systems that don't define the S_IF macros, - we can't assume that S_ISfoo means the standard Unix - S_IFfoo bit(s) are set. So do it manually, with a - different name. Bleah. */ - file_hdr.c_mode = (file_stat.st_mode & 07777); - if (S_ISREG (file_stat.st_mode)) - file_hdr.c_mode |= CP_IFREG; - else if (S_ISDIR (file_stat.st_mode)) - file_hdr.c_mode |= CP_IFDIR; -#ifdef S_ISBLK - else if (S_ISBLK (file_stat.st_mode)) - file_hdr.c_mode |= CP_IFBLK; -#endif -#ifdef S_ISCHR - else if (S_ISCHR (file_stat.st_mode)) - file_hdr.c_mode |= CP_IFCHR; -#endif -#ifdef S_ISFIFO - else if (S_ISFIFO (file_stat.st_mode)) - file_hdr.c_mode |= CP_IFIFO; -#endif -#ifdef S_ISLNK - else if (S_ISLNK (file_stat.st_mode)) - file_hdr.c_mode |= CP_IFLNK; -#endif -#ifdef S_ISSOCK - else if (S_ISSOCK (file_stat.st_mode)) - file_hdr.c_mode |= CP_IFSOCK; -#endif -#ifdef S_ISNWK - else if (S_ISNWK (file_stat.st_mode)) - file_hdr.c_mode |= CP_IFNWK; -#endif - file_hdr.c_uid = file_stat.st_uid; - file_hdr.c_gid = file_stat.st_gid; - file_hdr.c_nlink = file_stat.st_nlink; - - /* The rdev is meaningless except for block and character - special files (POSIX standard) and perhaps fifos and - sockets. Clear it for other types of files so that - check_rdev() doesn't reject files just because stat() - put garbage in st_rdev and so that the output doesn't - depend on the garbage. */ - switch (file_hdr.c_mode & CP_IFMT) - { - case CP_IFBLK: - case CP_IFCHR: -#ifdef CP_IFIFO - case CP_IFIFO: -#endif -#ifdef CP_IFSOCK - case CP_IFSOCK: -#endif - file_hdr.c_rdev_maj = major (file_stat.st_rdev); - file_hdr.c_rdev_min = minor (file_stat.st_rdev); - break; - default: - file_hdr.c_rdev_maj = 0; - file_hdr.c_rdev_min = 0; - break; - } - - file_hdr.c_mtime = file_stat.st_mtime; - file_hdr.c_filesize = file_stat.st_size; - file_hdr.c_chksum = 0; - file_hdr.c_tar_linkname = NULL; - - /* Strip leading `./' from the filename. */ - p = input_name.ds_string; - while (*p == '.' && *(p + 1) == '/') - { - ++p; - while (*p == '/') - ++p; - } -#ifndef HPUX_CDF - file_hdr.c_name = p; - file_hdr.c_namesize = strlen (p) + 1; -#else - if ( (archive_format != arf_tar) && (archive_format != arf_ustar) ) - { - /* We mark CDF's in cpio files by adding a 2nd `/' after the - "hidden" directory name. We need to do this so we can - properly recreate the directory as hidden (in case the - files of a directory go into the archive before the - directory itself (e.g from "find ... -depth ... | cpio")). */ - file_hdr.c_name = add_cdf_double_slashes (p); - file_hdr.c_namesize = strlen (file_hdr.c_name) + 1; - } - else - { - /* We don't mark CDF's in tar files. We assume the "hidden" - directory will always go into the archive before any of - its files. */ - file_hdr.c_name = p; - file_hdr.c_namesize = strlen (p) + 1; - } -#endif - if ((archive_format == arf_tar || archive_format == arf_ustar) - && is_tar_filename_too_long (file_hdr.c_name)) - { - error (0, 0, "%s: file name too long", file_hdr.c_name); - continue; - } - switch (check_rdev (&file_hdr)) - { - case 1: - error (0, 0, "%s not dumped: major number would be truncated", - file_hdr.c_name); - continue; - case 2: - error (0, 0, "%s not dumped: minor number would be truncated", - file_hdr.c_name); - continue; - case 4: - error (0, 0, "%s not dumped: device number would be truncated", - file_hdr.c_name); - continue; - } - - /* Copy the named file to the output. */ - switch (file_hdr.c_mode & CP_IFMT) - { - case CP_IFREG: -#ifndef __MSDOS__ - if (archive_format == arf_tar || archive_format == arf_ustar) - { - char *otherfile; - if ((otherfile = find_inode_file (file_hdr.c_ino, - file_hdr.c_dev_maj, - file_hdr.c_dev_min))) - { - file_hdr.c_tar_linkname = otherfile; - write_out_header (&file_hdr, out_file_des); - break; - } - } - if ( (archive_format == arf_newascii || archive_format == arf_crcascii) - && (file_hdr.c_nlink > 1) ) - { - if (last_link (&file_hdr) ) - { - writeout_other_defers (&file_hdr, out_file_des); - } - else - { - add_link_defer (&file_hdr); - break; - } - } -#endif - in_file_des = open (input_name.ds_string, - O_RDONLY | O_BINARY, 0); - if (in_file_des < 0) - { - error (0, errno, "%s", input_name.ds_string); - continue; - } - - if (archive_format == arf_crcascii) - file_hdr.c_chksum = read_for_checksum (in_file_des, - file_hdr.c_filesize, - input_name.ds_string); - - write_out_header (&file_hdr, out_file_des); - copy_files (in_file_des, out_file_des, file_hdr.c_filesize); - -#ifndef __MSDOS__ - if (archive_format == arf_tar || archive_format == arf_ustar) - add_inode (file_hdr.c_ino, file_hdr.c_name, file_hdr.c_dev_maj, - file_hdr.c_dev_min); -#endif - - pad_output (out_file_des, file_hdr.c_filesize); - - if (close (in_file_des) < 0) - error (0, errno, "%s", input_name.ds_string); - if (reset_time_flag) - { - times.actime = file_stat.st_atime; - times.modtime = file_stat.st_mtime; - if (utime (file_hdr.c_name, ×) < 0) - error (0, errno, "%s", file_hdr.c_name); - } - break; - - case CP_IFDIR: - file_hdr.c_filesize = 0; - write_out_header (&file_hdr, out_file_des); - break; - -#ifndef __MSDOS__ - case CP_IFCHR: - case CP_IFBLK: -#ifdef CP_IFSOCK - case CP_IFSOCK: -#endif -#ifdef CP_IFIFO - case CP_IFIFO: -#endif - if (archive_format == arf_tar) - { - error (0, 0, "%s not dumped: not a regular file", - file_hdr.c_name); - continue; - } - else if (archive_format == arf_ustar) - { - char *otherfile; - if ((otherfile = find_inode_file (file_hdr.c_ino, - file_hdr.c_dev_maj, - file_hdr.c_dev_min))) - { - /* This file is linked to another file already in the - archive, so write it out as a hard link. */ - file_hdr.c_mode = (file_stat.st_mode & 07777); - file_hdr.c_mode |= CP_IFREG; - file_hdr.c_tar_linkname = otherfile; - write_out_header (&file_hdr, out_file_des); - break; - } - add_inode (file_hdr.c_ino, file_hdr.c_name, - file_hdr.c_dev_maj, file_hdr.c_dev_min); - } - file_hdr.c_filesize = 0; - write_out_header (&file_hdr, out_file_des); - break; -#endif - -#ifdef CP_IFLNK - case CP_IFLNK: - { - char *link_name = (char *) xmalloc (file_stat.st_size + 1); - - if (readlink (input_name.ds_string, link_name, - file_stat.st_size) < 0) - { - error (0, errno, "%s", input_name.ds_string); - free (link_name); - continue; - } - if (archive_format == arf_tar || archive_format == arf_ustar) - { - if (file_stat.st_size + 1 > 100) - { - error (0, 0, "%s: symbolic link too long", - file_hdr.c_name); - } - else - { - link_name[file_stat.st_size] = '\0'; - file_hdr.c_tar_linkname = link_name; - write_out_header (&file_hdr, out_file_des); - } - } - else - { - write_out_header (&file_hdr, out_file_des); - copy_buf_out (link_name, out_file_des, file_stat.st_size); - pad_output (out_file_des, file_hdr.c_filesize); - } - free (link_name); - } - break; -#endif - - default: - error (0, 0, "%s: unknown file type", input_name.ds_string); - } - - if (verbose_flag) - fprintf (stderr, "%s\n", input_name.ds_string); - if (dot_flag) - fputc ('.', stderr); - } - } - - writeout_final_defers(out_file_des); - /* The collection is complete; append the trailer. */ - file_hdr.c_ino = 0; - file_hdr.c_mode = 0; - file_hdr.c_uid = 0; - file_hdr.c_gid = 0; - file_hdr.c_nlink = 1; /* Must be 1 for crc format. */ - file_hdr.c_dev_maj = 0; - file_hdr.c_dev_min = 0; - file_hdr.c_rdev_maj = 0; - file_hdr.c_rdev_min = 0; - file_hdr.c_mtime = 0; - file_hdr.c_chksum = 0; - - file_hdr.c_filesize = 0; - file_hdr.c_namesize = 11; - file_hdr.c_name = "TRAILER!!!"; - if (archive_format != arf_tar && archive_format != arf_ustar) - write_out_header (&file_hdr, out_file_des); - else - { - copy_buf_out (zeros_512, out_file_des, 512); - copy_buf_out (zeros_512, out_file_des, 512); - } - - /* Fill up the output block. */ - clear_rest_of_block (out_file_des); - empty_output_buffer (out_file_des); - if (dot_flag) - fputc ('\n', stderr); - res = (output_bytes + io_block_size - 1) / io_block_size; - if (res == 1) - fprintf (stderr, "1 block\n"); - else - fprintf (stderr, "%d blocks\n", res); -} - -/* Read FILE_SIZE bytes of FILE_NAME from IN_FILE_DES and - compute and return a checksum for them. */ - -static unsigned long -read_for_checksum (in_file_des, file_size, file_name) - int in_file_des; - int file_size; - char *file_name; -{ - unsigned long crc; - char buf[BUFSIZ]; - int bytes_left; - int bytes_read; - int i; - - crc = 0; - - for (bytes_left = file_size; bytes_left > 0; bytes_left -= bytes_read) - { - bytes_read = read (in_file_des, buf, BUFSIZ); - if (bytes_read < 0) - error (1, errno, "cannot read checksum for %s", file_name); - if (bytes_read == 0) - break; - for (i = 0; i < bytes_read; ++i) - crc += buf[i] & 0xff; - } - if (lseek (in_file_des, 0L, SEEK_SET)) - error (1, errno, "cannot read checksum for %s", file_name); - - return crc; -} - -/* Write out NULs to fill out the rest of the current block on - OUT_FILE_DES. */ - -static void -clear_rest_of_block (out_file_des) - int out_file_des; -{ - while (output_size < io_block_size) - { - if ((io_block_size - output_size) > 512) - copy_buf_out (zeros_512, out_file_des, 512); - else - copy_buf_out (zeros_512, out_file_des, io_block_size - output_size); - } -} - -/* Write NULs on OUT_FILE_DES to move from OFFSET (the current location) - to the end of the header. */ - -static void -pad_output (out_file_des, offset) - int out_file_des; - int offset; -{ - int pad; - - if (archive_format == arf_newascii || archive_format == arf_crcascii) - pad = (4 - (offset % 4)) % 4; - else if (archive_format == arf_tar || archive_format == arf_ustar) - pad = (512 - (offset % 512)) % 512; - else if (archive_format != arf_oldascii && archive_format != arf_hpoldascii) - pad = (2 - (offset % 2)) % 2; - else - pad = 0; - - if (pad != 0) - copy_buf_out (zeros_512, out_file_des, pad); -} - - -/* When creating newc and crc archives if a file has multiple (hard) - links, we don't put any of them into the archive until we have seen - all of them (or until we get to the end of the list of files that - are going into the archive and know that we have seen all of the links - to the file that we will see). We keep these "defered" files on - this list. */ - -struct deferment *deferouts = NULL; - - -/* Is this file_hdr the last (hard) link to a file? I.e., have - we already seen and defered all of the other links? */ - -static int -last_link (file_hdr) - struct new_cpio_header *file_hdr; -{ - int other_files_sofar; - - other_files_sofar = count_defered_links_to_dev_ino (file_hdr); - if (file_hdr->c_nlink == (other_files_sofar + 1) ) - { - return 1; - } - return 0; -} - -/* Count the number of other (hard) links to this file that have - already been defered. */ - -static int -count_defered_links_to_dev_ino (file_hdr) - struct new_cpio_header *file_hdr; -{ - struct deferment *d; - int ino; - int maj; - int min; - int count; - ino = file_hdr->c_ino; - maj = file_hdr->c_dev_maj; - min = file_hdr->c_dev_min; - count = 0; - for (d = deferouts; d != NULL; d = d->next) - { - if ( (d->header.c_ino == ino) && (d->header.c_dev_maj == maj) - && (d->header.c_dev_min == min) ) - ++count; - } - return count; -} - -/* Add the file header for a link that is being defered to the deferouts - list. */ - -static void -add_link_defer (file_hdr) - struct new_cpio_header *file_hdr; -{ - struct deferment *d; - d = create_deferment (file_hdr); - d->next = deferouts; - deferouts = d; -} - -/* We are about to put a file into a newc or crc archive that is - multiply linked. We have already seen and defered all of the - other links to the file but haven't written them into the archive. - Write the other links into the archive, and remove them from the - deferouts list. */ - -static void -writeout_other_defers (file_hdr, out_des) - struct new_cpio_header *file_hdr; - int out_des; -{ - struct deferment *d; - struct deferment *d_prev; - int ino; - int maj; - int min; - int count; - ino = file_hdr->c_ino; - maj = file_hdr->c_dev_maj; - min = file_hdr->c_dev_min; - d_prev = NULL; - d = deferouts; - while (d != NULL) - { - if ( (d->header.c_ino == ino) && (d->header.c_dev_maj == maj) - && (d->header.c_dev_min == min) ) - { - struct deferment *d_free; - d->header.c_filesize = 0; - write_out_header (&d->header, out_des); - if (d_prev != NULL) - d_prev->next = d->next; - else - deferouts = d->next; - d_free = d; - d = d->next; - free_deferment (d_free); - } - else - { - d_prev = d; - d = d->next; - } - } - return; -} -/* When writing newc and crc format archives we defer multiply linked - files until we have seen all of the links to the file. If a file - has links to it that aren't going into the archive, then we will - never see the "last" link to the file, so at the end we just write - all of the leftover defered files into the archive. */ - -static void -writeout_final_defers(out_des) - int out_des; -{ - struct deferment *d; - int other_count; - while (deferouts != NULL) - { - d = deferouts; - other_count = count_defered_links_to_dev_ino (&d->header); - if (other_count == 1) - { - writeout_defered_file (&d->header, out_des); - } - else - { - struct new_cpio_header file_hdr; - file_hdr = d->header; - file_hdr.c_filesize = 0; - write_out_header (&file_hdr, out_des); - } - deferouts = deferouts->next; - } -} - -/* Write a file into the archive. This code is the same as - the code in process_copy_out(), but we need it here too - for writeout_final_defers() to call. */ - -static void -writeout_defered_file (header, out_file_des) - struct new_cpio_header *header; -{ - int in_file_des; - struct new_cpio_header file_hdr; - struct utimbuf times; /* For setting file times. */ - /* Initialize this in case it has members we don't know to set. */ - bzero (×, sizeof (struct utimbuf)); - - file_hdr = *header; - - - in_file_des = open (header->c_name, - O_RDONLY | O_BINARY, 0); - if (in_file_des < 0) - { - error (0, errno, "%s", header->c_name); - return; - } - - if (archive_format == arf_crcascii) - file_hdr.c_chksum = read_for_checksum (in_file_des, - file_hdr.c_filesize, - header->c_name); - - write_out_header (&file_hdr, out_file_des); - copy_files (in_file_des, out_file_des, file_hdr.c_filesize); - -#ifndef __MSDOS__ - if (archive_format == arf_tar || archive_format == arf_ustar) - add_inode (file_hdr.c_ino, file_hdr.c_name, file_hdr.c_dev_maj, - file_hdr.c_dev_min); -#endif - - pad_output (out_file_des, file_hdr.c_filesize); - - if (close (in_file_des) < 0) - error (0, errno, "%s", header->c_name); - if (reset_time_flag) - { - times.actime = file_hdr.c_mtime; - times.modtime = file_hdr.c_mtime; - if (utime (file_hdr.c_name, ×) < 0) - error (0, errno, "%s", file_hdr.c_name); - } - return; -} - -static int -check_rdev (file_hdr) - struct new_cpio_header *file_hdr; -{ - if (archive_format == arf_newascii || archive_format == arf_crcascii) - { - if ((file_hdr->c_rdev_maj & 0xFFFFFFFF) != file_hdr->c_rdev_maj) - return 1; - if ((file_hdr->c_rdev_min & 0xFFFFFFFF) != file_hdr->c_rdev_min) - return 2; - } - else if (archive_format == arf_oldascii || archive_format == arf_hpoldascii) - { -#ifndef __MSDOS__ - dev_t rdev; - - rdev = makedev (file_hdr->c_rdev_maj, file_hdr->c_rdev_min); - if (archive_format == arf_oldascii) - { - if ((rdev & 0xFFFF) != rdev) - return 4; - } - else - { - switch (file_hdr->c_mode & CP_IFMT) - { - case CP_IFCHR: - case CP_IFBLK: -#ifdef CP_IFSOCK - case CP_IFSOCK: -#endif -#ifdef CP_IFIFO - case CP_IFIFO: -#endif - /* We could handle one more bit if longs are >= 33 bits. */ - if ((rdev & 037777777777) != rdev) - return 4; - break; - default: - if ((rdev & 0xFFFF) != rdev) - return 4; - break; - } - } -#endif - } - else if (archive_format == arf_tar || archive_format == arf_ustar) - { - /* The major and minor formats are limited to 7 octal digits in ustar - format, and to_oct () adds a gratuitous trailing blank to further - limit the format to 6 octal digits. */ - if ((file_hdr->c_rdev_maj & 0777777) != file_hdr->c_rdev_maj) - return 1; - if ((file_hdr->c_rdev_min & 0777777) != file_hdr->c_rdev_min) - return 2; - } - else - { -#ifndef __MSDOS__ - dev_t rdev; - - rdev = makedev (file_hdr->c_rdev_maj, file_hdr->c_rdev_min); - if (archive_format != arf_hpbinary) - { - if ((rdev & 0xFFFF) != rdev) - return 4; - } - else - { - switch (file_hdr->c_mode & CP_IFMT) - { - case CP_IFCHR: - case CP_IFBLK: -#ifdef CP_IFSOCK - case CP_IFSOCK: -#endif -#ifdef CP_IFIFO - case CP_IFIFO: -#endif - if ((rdev & 0xFFFFFFFF) != rdev) - return 4; - file_hdr->c_filesize = rdev; - rdev = makedev (0, 1); - break; - default: - if ((rdev & 0xFFFF) != rdev) - return 4; - break; - } - } -#endif - } - return 0; -} |
