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- /* 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 ();
-
- /* 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;
- file_hdr.c_rdev_maj = major (file_stat.st_rdev);
- file_hdr.c_rdev_min = minor (file_stat.st_rdev);
- 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;
- }
-
- /* 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;
- }
-