int
copy(void)
{
ARCHD *arcn;
int res;
int fddest;
char *dest_pt;
int dlen;
int drem;
int fdsrc = -1;
struct stat sb;
char dirbuf[PAXPATHLEN+1];
arcn = &archd;
/*
* set up the destination dir path and make sure it is a directory. We
* make sure we have a trailing / on the destination
*/
dlen = strlcpy(dirbuf, dirptr, sizeof(dirbuf));
if (dlen >= sizeof(dirbuf) ||
(dlen == sizeof(dirbuf) - 1 && dirbuf[dlen - 1] != '/')) {
tty_warn(1, "directory name is too long %s", dirptr);
return 1;
}
dest_pt = dirbuf + dlen;
if (*(dest_pt-1) != '/') {
*dest_pt++ = '/';
++dlen;
}
*dest_pt = '\0';
drem = PAXPATHLEN - dlen;
if (stat(dirptr, &sb) < 0) {
syswarn(1, errno, "Cannot access destination directory %s",
dirptr);
return 1;
}
if (!S_ISDIR(sb.st_mode)) {
tty_warn(1, "Destination is not a directory %s", dirptr);
return 1;
}
/*
* start up the hard link table; file traversal routines and the
* modification time and access mode database
*/
if ((lnk_start() < 0) || (ftree_start() < 0) || (dir_start() < 0))
return 1;
/*
* When we are doing interactive rename, we store the mapping of names
* so we can fix up hard links files later in the archive.
*/
if (iflag && (name_start() < 0))
return 1;
/*
* set up to cp file trees
*/
cp_start();
/*
* while there are files to archive, process them
*/
while (next_file(arcn) == 0) {
fdsrc = -1;
/*
* check if this file meets user specified options
*/
if (sel_chk(arcn) != 0)
continue;
/*
* if there is already a file in the destination directory with
* the same name and it is newer, skip the one stored on the
* archive.
* NOTE: this test is done BEFORE name modifications as
* specified by pax. this can be confusing to the user who
* might expect the test to be done on an existing file AFTER
* the name mod. In honesty the pax spec is probably flawed in
* this respect
*/
if (uflag || Dflag) {
/*
* create the destination name
*/
if (strlcpy(dest_pt, arcn->name + (*arcn->name == '/'),
drem + 1) > drem) {
tty_warn(1, "Destination pathname too long %s",
arcn->name);
continue;
}
/*
* if existing file is same age or newer skip
*/
res = lstat(dirbuf, &sb);
*dest_pt = '\0';
if (res == 0) {
if (uflag && Dflag) {
if ((arcn->sb.st_mtime<=sb.st_mtime) &&
(arcn->sb.st_ctime<=sb.st_ctime))
continue;
} else if (Dflag) {
if (arcn->sb.st_ctime <= sb.st_ctime)
continue;
} else if (arcn->sb.st_mtime <= sb.st_mtime)
continue;
}
}
/*
* this file is considered selected. See if this is a hard link
* to a previous file; modify the name as requested by the
* user; set the final destination.
*/
ftree_sel(arcn);
if ((chk_lnk(arcn) < 0) || ((res = mod_name(arcn, RENM)) < 0))
break;
if ((res > 0) || (set_dest(arcn, dirbuf, dlen) < 0)) {
/*
* skip file, purge from link table
*/
purg_lnk(arcn);
continue;
}
/*
* Non standard -Y and -Z flag. When the exisiting file is
* same age or newer skip
*/
if ((Yflag || Zflag) && ((lstat(arcn->name, &sb) == 0))) {
if (Yflag && Zflag) {
if ((arcn->sb.st_mtime <= sb.st_mtime) &&
(arcn->sb.st_ctime <= sb.st_ctime))
continue;
} else if (Yflag) {
if (arcn->sb.st_ctime <= sb.st_ctime)
continue;
} else if (arcn->sb.st_mtime <= sb.st_mtime)
continue;
}
if (vflag) {
(void)safe_print(arcn->name, listf);
vfpart = 1;
}
++flcnt;
/*
* try to create a hard link to the src file if requested
* but make sure we are not trying to overwrite ourselves.
*/
if (lflag)
res = cross_lnk(arcn);
else
res = chk_same(arcn);
if (res <= 0) {
if (vflag && vfpart) {
(void)putc('\n', listf);
vfpart = 0;
}
continue;
}
/*
* have to create a new file
*/
if ((arcn->type != PAX_REG) && (arcn->type != PAX_CTG)) {
/*
* create a link or special file
*/
if ((arcn->type == PAX_HLK) ||
(arcn->type == PAX_HRG)) {
int payload;
res = lnk_creat(arcn, &payload);
} else {
res = node_creat(arcn);
}
if (res < 0)
purg_lnk(arcn);
if (vflag && vfpart) {
(void)putc('\n', listf);
vfpart = 0;
}
continue;
}
/*
* have to copy a regular file to the destination directory.
* first open source file and then create the destination file
*/
if ((fdsrc = open(arcn->org_name, O_RDONLY, 0)) < 0) {
syswarn(1, errno, "Unable to open %s to read",
arcn->org_name);
purg_lnk(arcn);
continue;
}
if ((fddest = file_creat(arcn, 0)) < 0) {
rdfile_close(arcn, &fdsrc);
purg_lnk(arcn);
continue;
}
/*
* copy source file data to the destination file
*/
cp_file(arcn, fdsrc, fddest);
file_close(arcn, fddest);
rdfile_close(arcn, &fdsrc);
if (vflag && vfpart) {
(void)putc('\n', listf);
vfpart = 0;
}
}
/*
* restore directory modes and times as required; make sure all
* patterns were selected block off signals to avoid chance for
* multiple entry into the cleanup code.
*/
(void)sigprocmask(SIG_BLOCK, &s_mask, (sigset_t *)NULL);
ar_close();
proc_dir();
ftree_chk();
return 0;
}
// -----------------------------------------------------------------------
void ectl_cpu_start()
{
LOG(L_ECTL, "ECTL cpu START");
cp_start();
}
