void ffsb_stat(ffsb_thread_t *ft, ffsb_fs_t *fs, unsigned opnum)
{
struct benchfiles *bf = (struct benchfiles *)fs_get_opdata(fs, opnum);
struct ffsb_file *curfile = NULL;
randdata_t *rd = ft_get_randdata(ft);
curfile = choose_file_reader(bf, rd);
fhstat(curfile->name, ft, fs);
unlock_file_reader(curfile);
ft_incr_op(ft, opnum, 1, 0);
}
int vfs_readlink(struct vfs_fsal_obj_handle *myself,
fsal_errors_t *fsal_error)
{
int retval = 0;
int fd = -1;
ssize_t retlink;
struct stat st;
#ifndef __FreeBSD__
int flags = O_PATH | O_NOACCESS | O_NOFOLLOW;
#endif
if (myself->u.symlink.link_content != NULL) {
gsh_free(myself->u.symlink.link_content);
myself->u.symlink.link_content = NULL;
myself->u.symlink.link_size = 0;
}
#ifndef __FreeBSD__
fd = vfs_fsal_open(myself, flags, fsal_error);
if (fd < 0)
return fd;
retval = vfs_stat_by_handle(fd, &st);
if (retval < 0)
goto error;
#else
struct fhandle *handle = v_to_fhandle(myself->handle->handle_data);
retval = fhstat(handle, &st);
if (retval < 0)
goto error;
#endif
myself->u.symlink.link_size = st.st_size + 1;
myself->u.symlink.link_content =
gsh_malloc(myself->u.symlink.link_size);
retlink =
vfs_readlink_by_handle(myself->handle, fd, "",
myself->u.symlink.link_content,
myself->u.symlink.link_size);
if (retlink < 0)
goto error;
myself->u.symlink.link_content[retlink] = '\0';
#ifndef __FreeBSD__
close(fd);
#endif
return retval;
error:
retval = -errno;
*fsal_error = posix2fsal_error(errno);
#ifndef __FreeBSD__
close(fd);
#endif
if (myself->u.symlink.link_content != NULL) {
gsh_free(myself->u.symlink.link_content);
myself->u.symlink.link_content = NULL;
myself->u.symlink.link_size = 0;
}
return retval;
}
int
main(int argc, char *argv[])
{
struct stat st;
int ch, rc, errs, am_readlink;
int lsF, fmtchar, usestat, nfs_handle, fn, nonl, quiet;
const char *statfmt, *options, *synopsis;
char dname[sizeof _PATH_DEV + MNAMELEN] = _PATH_DEV;
fhandle_t fhnd;
const char *file;
am_readlink = 0;
lsF = 0;
fmtchar = '\0';
usestat = 0;
nfs_handle = 0;
nonl = 0;
quiet = 0;
linkfail = 0;
statfmt = NULL;
timefmt = NULL;
if (strcmp(getprogname(), "readlink") == 0) {
am_readlink = 1;
options = "fn";
synopsis = "[-fn] [file ...]";
statfmt = "%Y";
fmtchar = 'f';
quiet = 1;
} else {
options = "f:FHlLnqrst:x";
synopsis = "[-FLnq] [-f format | -l | -r | -s | -x] "
"[-t timefmt] [file|handle ...]";
}
while ((ch = getopt(argc, argv, options)) != -1)
switch (ch) {
case 'F':
lsF = 1;
break;
case 'H':
nfs_handle = 1;
break;
case 'L':
usestat = 1;
break;
case 'n':
nonl = 1;
break;
case 'q':
quiet = 1;
break;
case 'f':
if (am_readlink) {
statfmt = "%R";
break;
}
statfmt = optarg;
/* FALLTHROUGH */
case 'l':
case 'r':
case 's':
case 'x':
if (fmtchar != 0)
errx(1, "can't use format '%c' with '%c'",
fmtchar, ch);
fmtchar = ch;
break;
case 't':
timefmt = optarg;
break;
default:
usage(synopsis);
}
argc -= optind;
argv += optind;
fn = 1;
if (fmtchar == '\0') {
if (lsF)
fmtchar = 'l';
else {
fmtchar = 'f';
statfmt = DEF_FORMAT;
}
}
if (lsF && fmtchar != 'l')
errx(1, "can't use format '%c' with -F", fmtchar);
switch (fmtchar) {
case 'f':
/* statfmt already set */
break;
case 'l':
statfmt = lsF ? LSF_FORMAT : LS_FORMAT;
break;
case 'r':
statfmt = RAW_FORMAT;
break;
case 's':
statfmt = SHELL_FORMAT;
break;
case 'x':
statfmt = LINUX_FORMAT;
if (timefmt == NULL)
timefmt = "%c";
break;
default:
usage(synopsis);
/*NOTREACHED*/
}
if (timefmt == NULL)
timefmt = TIME_FORMAT;
errs = 0;
do {
if (argc == 0) {
if (fdevname_r(STDIN_FILENO, dname +
sizeof _PATH_DEV - 1, MNAMELEN) == 0)
file = dname;
else
file = "(stdin)";
rc = fstat(STDIN_FILENO, &st);
} else {
int j;
file = argv[0];
if (nfs_handle) {
rc = 0;
bzero(&fhnd, sizeof(fhnd));
j = MIN(2 * sizeof(fhnd), strlen(file));
if ((j & 1) != 0) {
rc = -1;
} else {
while (j) {
rc = hex2byte(&file[j - 2]);
if (rc == -1)
break;
((char*) &fhnd)[j / 2 - 1] = rc;
j -= 2;
}
}
if (rc == -1)
errno = EINVAL;
else
rc = fhstat(&fhnd, &st);
} else if (usestat) {
/*
* Try stat() and if it fails, fall back to
* lstat() just in case we're examining a
* broken symlink.
*/
if ((rc = stat(file, &st)) == -1 &&
errno == ENOENT &&
(rc = lstat(file, &st)) == -1)
errno = ENOENT;
}
else
rc = lstat(file, &st);
}
if (rc == -1) {
errs = 1;
linkfail = 1;
if (!quiet)
warn("%s: stat", file);
}
else
output(&st, file, statfmt, fn, nonl);
argv++;
argc--;
fn++;
} while (argc > 0);
return (am_readlink ? linkfail : errs);
}
