/**
* Return: >=0 last VCN
* LCN_EINVAL error.
*/
static VCN get_last_vcn(runlist *rl)
{
VCN res;
if (!rl)
return LCN_EINVAL;
res = LCN_EINVAL;
while (rl->length) {
ntfs_log_verbose("vcn: %lld, length: %lld.\n",
(long long)rl->vcn, (long long)rl->length);
if (rl->vcn<0)
res = rl->vcn;
else
res = rl->vcn + rl->length;
rl++;
}
return res;
}
/**
* parse_options
*/
static void parse_options(int argc, char *argv[])
{
long long ll;
char *s, *s2;
int c;
opt_alloc_len = 0;
opt_alloc_offs = 0;
if (argc && *argv)
EXEC_NAME = *argv;
fprintf(stderr, "%s v%s (libntfs-3g)\n", EXEC_NAME, VERSION);
while ((c = getopt_long(argc, argv, "fh?no:qvVl:", lopt, NULL)) != EOF) {
switch (c) {
case 'f':
opts.force = 1;
break;
case 'n':
opts.no_size_change = 1;
break;
case 'N': /* Not proposed as a short option */
opts.no_action = 1;
break;
case 'q':
opts.quiet = 1;
ntfs_log_clear_levels(NTFS_LOG_LEVEL_QUIET);
break;
case 'v':
opts.verbose++;
ntfs_log_set_levels(NTFS_LOG_LEVEL_VERBOSE);
break;
case 'V':
/* Version number already printed */
license();
exit(0);
case 'l':
ll = option_value(argv[optind - 1]);
if ((ll <= 0)
|| (ll >= LLONG_MAX && errno == ERANGE))
err_usage("Invalid length : %s\n",
argv[optind - 1]);
opt_alloc_len = ll;
break;
case 'o':
ll = option_value(argv[optind - 1]);
if ((ll < 0)
|| (ll >= LLONG_MAX && errno == ERANGE))
err_usage("Invalid offset : %s\n",
argv[optind - 1]);
opt_alloc_offs = ll;
break;
case 'h':
usage(0);
case '?':
default:
usage(1);
}
}
if (!opt_alloc_len) {
err_usage("Missing allocation length\n");
}
ntfs_log_verbose("length = %lli = 0x%llx\n",
(long long)opt_alloc_len, (long long)opt_alloc_len);
ntfs_log_verbose("offset = %lli = 0x%llx\n",
(long long)opt_alloc_offs, (long long)opt_alloc_offs);
if (optind == argc)
usage(1);
if (opts.verbose > 1)
ntfs_log_set_levels(NTFS_LOG_LEVEL_DEBUG | NTFS_LOG_LEVEL_TRACE |
NTFS_LOG_LEVEL_VERBOSE | NTFS_LOG_LEVEL_QUIET);
/* Get the device. */
dev_name = argv[optind++];
ntfs_log_verbose("device name = %s\n", dev_name);
if (optind == argc)
usage(1);
/* Get the file name. */
file_name = argv[optind++];
ntfs_log_verbose("file name = \"%s\"\n", file_name);
/* Get the attribute type, if specified. */
if (optind == argc) {
attr_type = AT_DATA;
attr_name = AT_UNNAMED;
attr_name_len = 0;
} else {
unsigned long ul;
s = argv[optind++];
ul = strtoul(s, &s2, 0);
if (*s2 || !ul || (ul >= ULONG_MAX && errno == ERANGE))
err_usage("Invalid attribute type %s: %s\n", s,
strerror(errno));
attr_type = cpu_to_le32(ul);
/* Get the attribute name, if specified. */
if (optind != argc) {
s = argv[optind++];
/* Convert the string to little endian Unicode. */
attr_name_len = ntfs_mbstoucs(s, &attr_name);
if ((int)attr_name_len < 0)
err_usage("Invalid attribute name "
"\"%s\": %s\n",
s, strerror(errno));
/* Keep hold of the original string. */
s2 = s;
s = argv[optind++];
if (optind != argc)
usage(1);
} else {
attr_name = AT_UNNAMED;
attr_name_len = 0;
}
}
ntfs_log_verbose("attribute type = 0x%lx\n",
(unsigned long)le32_to_cpu(attr_type));
if (attr_name == AT_UNNAMED)
ntfs_log_verbose("attribute name = \"\" (UNNAMED)\n");
else
ntfs_log_verbose("attribute name = \"%s\" (length %u "
"Unicode characters)\n", s2,
(unsigned int)attr_name_len);
}
/**
* parse_options
*/
static void parse_options(int argc, char *argv[])
{
long long ll;
char *s, *s2;
int c;
if (argc && *argv)
EXEC_NAME = *argv;
fprintf(stderr, "%s v%s (libntfs-3g)\n", EXEC_NAME, VERSION);
while ((c = getopt(argc, argv, "fh?nqvVl")) != EOF)
switch (c) {
case 'f':
opts.force = 1;
break;
case 'n':
opts.no_action = 1;
break;
case 'q':
opts.quiet = 1;
ntfs_log_clear_levels(NTFS_LOG_LEVEL_QUIET);
break;
case 'v':
opts.verbose++;
ntfs_log_set_levels(NTFS_LOG_LEVEL_VERBOSE);
break;
case 'V':
/* Version number already printed, so just exit. */
exit(0);
case 'l':
copyright();
license();
exit(0);
case 'h':
case '?':
default:
usage();
}
if (optind == argc)
usage();
if (opts.verbose > 1)
ntfs_log_set_levels(NTFS_LOG_LEVEL_DEBUG | NTFS_LOG_LEVEL_TRACE |
NTFS_LOG_LEVEL_VERBOSE | NTFS_LOG_LEVEL_QUIET);
/* Get the device. */
dev_name = argv[optind++];
ntfs_log_verbose("device name = %s\n", dev_name);
if (optind == argc)
usage();
/* Get the inode. */
ll = strtoll(argv[optind++], &s, 0);
if (*s || !ll || (ll >= LLONG_MAX && errno == ERANGE))
err_exit("Invalid inode number: %s\n", argv[optind - 1]);
inode = ll;
ntfs_log_verbose("inode = %lli\n", (long long)inode);
if (optind == argc)
usage();
/* Get the attribute type, if specified. */
s = argv[optind++];
if (optind == argc) {
attr_type = AT_DATA;
attr_name = AT_UNNAMED;
attr_name_len = 0;
} else {
unsigned long ul;
ul = strtoul(s, &s2, 0);
if (*s2 || !ul || (ul >= ULONG_MAX && errno == ERANGE))
err_exit("Invalid attribute type %s: %s\n", s,
strerror(errno));
attr_type = ul;
/* Get the attribute name, if specified. */
s = argv[optind++];
if (optind != argc) {
/* Convert the string to little endian Unicode. */
attr_name_len = ntfs_mbstoucs(s, &attr_name);
if ((int)attr_name_len < 0)
err_exit("Invalid attribute name \"%s\": %s\n",
s, strerror(errno));
/* Keep hold of the original string. */
s2 = s;
s = argv[optind++];
if (optind != argc)
usage();
} else {
attr_name = AT_UNNAMED;
attr_name_len = 0;
}
}
ntfs_log_verbose("attribute type = 0x%x\n", (unsigned int)attr_type);
if (attr_name == AT_UNNAMED)
ntfs_log_verbose("attribute name = \"\" (UNNAMED)\n");
else
ntfs_log_verbose("attribute name = \"%s\" (length %u Unicode "
"characters)\n", s2,
(unsigned int)attr_name_len);
/* Get the new length. */
ll = strtoll(s, &s2, 0);
if (*s2 || ll < 0 || (ll >= LLONG_MAX && errno == ERANGE))
err_exit("Invalid new length: %s\n", s);
new_len = ll;
ntfs_log_verbose("new length = %lli\n", (long long)new_len);
}
