static void
rm_file(char **argv)
{
struct stat sb;
int rval;
char *f;
/*
* Remove a file. POSIX 1003.2 states that, by default, attempting
* to remove a directory is an error, so must always stat the file.
*/
while ((f = *argv++) != NULL) {
/* Assume if can't stat the file, can't unlink it. */
if (lstat(f, &sb)) {
if (Wflag) {
sb.st_mode = S_IFWHT|S_IWUSR|S_IRUSR;
} else {
if (!fflag || !NONEXISTENT(errno)) {
warn("%s", f);
eval = 1;
}
continue;
}
} else if (Wflag) {
warnx("%s: %s", f, strerror(EEXIST));
eval = 1;
continue;
}
if (S_ISDIR(sb.st_mode) && !dflag) {
warnx("%s: is a directory", f);
eval = 1;
continue;
}
if (!fflag && !S_ISWHT(sb.st_mode) && !check(f, f, &sb))
continue;
if (S_ISWHT(sb.st_mode))
#ifdef HAVE_FUNC1_UNDELETE_UNISTD_H
rval = undelete(f);
#else
rval = EPERM;
#endif
else if (S_ISDIR(sb.st_mode))
rval = rmdir(f);
else {
if (Pflag) {
if (rm_overwrite(f, &sb))
continue;
}
rval = unlink(f);
}
if (rval && (!fflag || !NONEXISTENT(errno))) {
warn("%s", f);
eval = 1;
}
if (vflag && rval == 0)
(void)printf("%s\n", f);
}
static void
rm_tree(char **argv)
{
FTS *fts;
FTSENT *p;
int flags, needstat, rval;
/*
* Remove a file hierarchy. If forcing removal (-f), or interactive
* (-i) or can't ask anyway (stdin_ok), don't stat the file.
*/
needstat = !fflag && !iflag && stdin_ok;
/*
* If the -i option is specified, the user can skip on the pre-order
* visit. The fts_number field flags skipped directories.
*/
#define SKIPPED 1
flags = FTS_PHYSICAL;
if (!needstat)
flags |= FTS_NOSTAT;
#ifndef __ANDROID__
if (Wflag)
flags |= FTS_WHITEOUT;
#endif
if (xflag)
flags |= FTS_XDEV;
if ((fts = fts_open(argv, flags, NULL)) == NULL)
err(1, "fts_open failed");
while ((p = fts_read(fts)) != NULL) {
switch (p->fts_info) {
case FTS_DNR:
if (!fflag || p->fts_errno != ENOENT) {
warnx("%s: %s", p->fts_path,
strerror(p->fts_errno));
eval = 1;
}
continue;
case FTS_ERR:
errx(EXIT_FAILURE, "%s: %s", p->fts_path,
strerror(p->fts_errno));
/* NOTREACHED */
case FTS_NS:
/*
* FTS_NS: assume that if can't stat the file, it
* can't be unlinked.
*/
if (fflag && NONEXISTENT(p->fts_errno))
continue;
if (needstat) {
warnx("%s: %s", p->fts_path,
strerror(p->fts_errno));
eval = 1;
continue;
}
break;
case FTS_D:
/* Pre-order: give user chance to skip. */
if (!fflag && !check(p->fts_path, p->fts_accpath,
p->fts_statp)) {
(void)fts_set(fts, p, FTS_SKIP);
p->fts_number = SKIPPED;
}
continue;
case FTS_DP:
/* Post-order: see if user skipped. */
if (p->fts_number == SKIPPED)
continue;
break;
default:
if (!fflag &&
!check(p->fts_path, p->fts_accpath, p->fts_statp))
continue;
}
rval = 0;
/*
* If we can't read or search the directory, may still be
* able to remove it. Don't print out the un{read,search}able
* message unless the remove fails.
*/
switch (p->fts_info) {
case FTS_DP:
case FTS_DNR:
rval = rmdir(p->fts_accpath);
if (rval != 0 && fflag && errno == ENOENT)
continue;
break;
#ifndef __ANDROID__
case FTS_W:
rval = undelete(p->fts_accpath);
if (rval != 0 && fflag && errno == ENOENT)
continue;
break;
#endif
default:
if (Pflag) {
if (rm_overwrite(p->fts_accpath, NULL))
continue;
}
rval = unlink(p->fts_accpath);
if (rval != 0 && fflag && NONEXISTENT(errno))
continue;
break;
}
if (rval != 0) {
warn("%s", p->fts_path);
eval = 1;
} else if (vflag || pinfo) {
pinfo = 0;
(void)printf("%s\n", p->fts_path);
}
}
if (errno)
err(1, "fts_read");
fts_close(fts);
}
