#include "system.h"
-#if !MSDOS
-# include <pwd.h>
-# include <grp.h>
-#endif
-
#if HAVE_UTIME_H
# include <utime.h>
#else
#include "common.h"
#include <hash.h>
-#ifndef MSDOS
-extern dev_t ar_dev;
-extern ino_t ar_ino;
-#endif
-
struct link
{
dev_t dev;
{
to_chars (0, v, sizeof v, 0, p, s, "uintmax_t");
}
+
+void
+string_to_chars (char *str, char *p, size_t s)
+{
+ strncpy (p, str, s);
+ p[s-1] = 0;
+}
+
\f
/* Writing routines. */
memset (header->buffer + size, 0, bufsize - size);
set_next_block_after (header + (size - 1) / BLOCKSIZE);
}
+
+/* Write a long link name, depending on the current archive format */
+static void
+write_long_link (struct tar_stat_info *st)
+{
+ if (archive_format == POSIX_FORMAT)
+ xheader_store ("linkpath", st);
+ else
+ write_long (st->link_name, GNUTYPE_LONGNAME);
+}
+
+/* NOTE: Cross recursion between start_header and write_extended */
+
+static union block *
+write_extended (union block *old_header, char type)
+{
+ union block *header, hp;
+ struct tar_stat_info foo;
+ size_t size;
+ char *p;
+
+ if (extended_header.buffer || extended_header.stk == NULL)
+ return old_header; /* Prevent recursion */
+
+ xheader_finish (&extended_header);
+ size = extended_header.size;
+ memset (&foo, 0, sizeof foo);
+ foo.stat.st_mode = S_IFREG|S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH;
+ time (&foo.stat.st_ctime);
+ foo.stat.st_atime = foo.stat.st_ctime;
+ foo.stat.st_mtime = foo.stat.st_ctime;
+ foo.stat.st_size = size;
+
+ memcpy (hp.buffer, old_header, sizeof (hp));
+
+ header = start_header ("././@PaxHeader", &foo);
+ header->header.typeflag = type;
+
+ finish_header (header, -1);
+
+ p = extended_header.buffer;
+
+ do
+ {
+ size_t len;
+
+ header = find_next_block ();
+ len = BLOCKSIZE;
+ if (len > size)
+ len = size;
+ memcpy (header->buffer, p, len);
+ if (len < BLOCKSIZE)
+ memset (header->buffer + len, 0, BLOCKSIZE - len);
+ p += len;
+ size -= len;
+ set_next_block_after (header);
+ }
+ while (size > 0);
+
+ xheader_destroy (&extended_header);
+ header = find_next_block ();
+ memcpy (header, &hp.buffer, sizeof (hp.buffer));
+ return header;
+}
+
\f
/* Header handling. */
union block *header;
name = safer_name_suffix (name, 0);
-
+ assign_string (&st->file_name, name);
+
if (sizeof header->header.name <= strlen (name))
- write_long (name, GNUTYPE_LONGNAME);
+ {
+ if (archive_format == POSIX_FORMAT)
+ xheader_store ("path", st);
+ else
+ write_long (name, GNUTYPE_LONGNAME);
+ }
+
header = find_next_block ();
memset (header->buffer, 0, sizeof (union block));
strncpy (header->header.name, name, NAME_FIELD_SIZE);
header->header.name[NAME_FIELD_SIZE - 1] = '\0';
-
+
/* Override some stat fields, if requested to do so. */
if (owner_option != (uid_t) -1)
else
MODE_TO_CHARS (st->stat.st_mode, header->header.mode);
- UID_TO_CHARS (st->stat.st_uid, header->header.uid);
- GID_TO_CHARS (st->stat.st_gid, header->header.gid);
- OFF_TO_CHARS (st->stat.st_size, header->header.size);
+ if (st->stat.st_uid > MAXOCTAL7 && archive_format == POSIX_FORMAT)
+ xheader_store ("uid", st);
+ else
+ UID_TO_CHARS (st->stat.st_uid, header->header.uid);
+
+ if (st->stat.st_gid > MAXOCTAL7 && archive_format == POSIX_FORMAT)
+ xheader_store ("gid", st);
+ else
+ GID_TO_CHARS (st->stat.st_gid, header->header.gid);
+
+ if (st->stat.st_size > MAXOCTAL11 && archive_format == POSIX_FORMAT)
+ xheader_store ("size", st);
+ else
+ OFF_TO_CHARS (st->stat.st_size, header->header.size);
+
TIME_TO_CHARS (st->stat.st_mtime, header->header.mtime);
- MAJOR_TO_CHARS (0, header->header.devmajor);
- MINOR_TO_CHARS (0, header->header.devminor);
- if (incremental_option)
+ /* FIXME */
+ if (S_ISCHR (st->stat.st_mode)
+ || S_ISBLK (st->stat.st_mode))
+ {
+ st->devmajor = major (st->stat.st_rdev);
+ st->devminor = minor (st->stat.st_rdev);
+
+ if (st->devmajor > MAXOCTAL7 && archive_format == POSIX_FORMAT)
+ xheader_store ("devmajor", st);
+ else
+ MAJOR_TO_CHARS (st->devmajor, header->header.devmajor);
+
+ if (st->devminor > MAXOCTAL7 && archive_format == POSIX_FORMAT)
+ xheader_store ("devminor", st);
+ else
+ MAJOR_TO_CHARS (st->devminor, header->header.devminor);
+ }
+ else
+ {
+ MAJOR_TO_CHARS (0, header->header.devmajor);
+ MINOR_TO_CHARS (0, header->header.devminor);
+ }
+
+ if (archive_format == POSIX_FORMAT)
+ {
+ xheader_store ("atime", st);
+ xheader_store ("ctime", st);
+ }
+ else if (incremental_option)
if (archive_format == OLDGNU_FORMAT)
{
TIME_TO_CHARS (st->stat.st_atime, header->oldgnu_header.atime);
}
else
{
- uid_to_uname (st->stat.st_uid, header->header.uname);
- gid_to_gname (st->stat.st_gid, header->header.gname);
+ uid_to_uname (st->stat.st_uid, &st->uname);
+ gid_to_gname (st->stat.st_gid, &st->gname);
+
+ if (archive_format == POSIX_FORMAT
+ && strlen (st->uname) > UNAME_FIELD_SIZE)
+ xheader_store ("uname", st);
+ else
+ UNAME_TO_CHARS (st->uname, header->header.uname);
+
+ if (archive_format == POSIX_FORMAT
+ && strlen (st->gname) > GNAME_FIELD_SIZE)
+ xheader_store ("gname", st);
+ else
+ GNAME_TO_CHARS (st->gname, header->header.gname);
}
return header;
int sum;
char *p;
+ /* Note: It is important to do this before the call to write_extended(),
+ so that the actual ustar header is printed */
+ if (verbose_option
+ && header->header.typeflag != GNUTYPE_LONGLINK
+ && header->header.typeflag != GNUTYPE_LONGNAME
+ && header->header.typeflag != XHDTYPE
+ && header->header.typeflag != XGLTYPE)
+ {
+ /* These globals are parameters to print_header, sigh. */
+
+ current_header = header;
+ /* current_stat_info is already set up. */
+ current_format = archive_format;
+ print_header (block_ordinal);
+ }
+
+ header = write_extended (header, XHDTYPE);
+
memcpy (header->header.chksum, CHKBLANKS, sizeof header->header.chksum);
sum = 0;
uintmax_to_chars ((uintmax_t) sum, header->header.chksum, 7);
- if (verbose_option
- && header->header.typeflag != GNUTYPE_LONGLINK
- && header->header.typeflag != GNUTYPE_LONGNAME)
- {
- /* These globals are parameters to print_header, sigh. */
-
- current_header = header;
- /* current_stat_info is already set up. */
- current_format = archive_format;
- print_header (block_ordinal);
- }
-
set_next_block_after (header);
}
\f
return;
}
-#if !MSDOS
/* See if we are trying to dump the archive. */
-
- if (ar_dev && current_stat_info.stat.st_dev == ar_dev && current_stat_info.stat.st_ino == ar_ino)
+ if (sys_file_is_archive (¤t_stat_info))
{
WARN ((0, 0, _("%s: file is the archive; not dumped"),
quotearg_colon (p)));
return;
}
-#endif
if (S_ISDIR (current_stat_info.stat.st_mode))
{
dup->nlink--;
block_ordinal = current_block_ordinal ();
- if (NAME_FIELD_SIZE <= strlen (link_name))
- write_long (link_name, GNUTYPE_LONGLINK);
assign_string (¤t_stat_info.link_name, link_name);
+ if (NAME_FIELD_SIZE <= strlen (link_name))
+ write_long_link (¤t_stat_info);
current_stat_info.stat.st_size = 0;
header = start_header (p, ¤t_stat_info);
char buf[UINTMAX_STRSIZE_BOUND];
memset (start->buffer + count, 0, bufsize - count);
WARN ((0, 0,
- _("%s: File shrank by %s bytes; padding with zeros"),
+ ngettext ("%s: File shrank by %s byte; padding with zeros",
+ "%s: File shrank by %s bytes; padding with zeros",
+ sizeleft),
quotearg_colon (p),
STRINGIFY_BIGINT (sizeleft, buf)));
if (! ignore_failed_read_option)
return;
}
buffer[size] = '\0';
- if (size >= NAME_FIELD_SIZE)
- write_long (buffer, GNUTYPE_LONGLINK);
assign_string (¤t_stat_info.link_name, buffer);
+ if (size >= NAME_FIELD_SIZE)
+ write_long_link (¤t_stat_info);
block_ordinal = current_block_ordinal ();
current_stat_info.stat.st_size = 0; /* force 0 size on symlink */
projects / chaz / tar / blobdiff