static int go(char *dname, FILE * devtable)
{
struct stat sb;
if (lstat(dname, &sb)) {
perror_msg_and_die("%s", dname);
}
if (chdir(dname))
perror_msg_and_die("%s", dname);
if (devtable)
parse_device_table(devtable);
return 0;
}
static int parse_devtable(FILE * devtable)
{
struct stat sb;
if (lstat(rootdir, &sb)) {
perror_msg_and_die("%s", rootdir);
}
if (chdir(rootdir))
perror_msg_and_die("%s", rootdir);
if (devtable)
parse_device_table(devtable);
return 0;
}
static int go(char *dname, FILE * devtable)
{
struct stat sb;
if (lstat(dname, &sb)) {
perror_msg_and_die("%s", dname);
}
if (chdir(dname))
perror_msg_and_die("%s", dname);
recursive_add_directory(".");
if (devtable)
parse_device_table(devtable);
create_target_filesystem();
cleanup();
return 0;
}
int main(int argc, char **argv)
{
int c, opt;
char *cwd;
struct stat sb;
FILE *devtable = NULL;
struct filesystem_entry *root;
char *compr_name = NULL;
int compr_prior = -1;
jffs2_compressors_init();
while ((opt = getopt_long(argc, argv,
"D:d:r:s:o:qUPfh?vVe:lbp::nc:m:x:X:Lty:i:", long_options, &c)) >= 0)
{
switch (opt) {
case 'D':
devtable = xfopen(optarg, "r");
if (fstat(fileno(devtable), &sb) < 0)
perror_msg_and_die(optarg);
if (sb.st_size < 10)
error_msg_and_die("%s: not a proper device table file", optarg);
break;
case 'r':
case 'd': /* for compatibility with mkfs.jffs, genext2fs, etc... */
if (rootdir != default_rootdir) {
error_msg_and_die("root directory specified more than once");
}
rootdir = xstrdup(optarg);
break;
case 's':
page_size = strtol(optarg, NULL, 0);
break;
case 'o':
if (out_fd != -1) {
error_msg_and_die("output filename specified more than once");
}
out_fd = open(optarg, O_CREAT | O_TRUNC | O_RDWR, 0644);
if (out_fd == -1) {
perror_msg_and_die("open output file");
}
break;
case 'q':
squash_uids = 1;
squash_perms = 1;
break;
case 'U':
squash_uids = 1;
break;
case 'P':
squash_perms = 1;
break;
case 'f':
fake_times = 1;
break;
case 'h':
case '?':
error_msg_and_die(helptext);
case 'v':
verbose = 1;
break;
case 'V':
error_msg_and_die("revision %.*s\n",
(int) strlen(revtext) - 13, revtext + 11);
case 'e': {
char *next;
unsigned units = 0;
erase_block_size = strtol(optarg, &next, 0);
if (!erase_block_size)
error_msg_and_die("Unrecognisable erase size\n");
if (*next) {
if (!strcmp(next, "KiB")) {
units = 1024;
} else if (!strcmp(next, "MiB")) {
units = 1024 * 1024;
} else {
error_msg_and_die("Unknown units in erasesize\n");
}
} else {
if (erase_block_size < 0x1000)
units = 1024;
else
units = 1;
}
erase_block_size *= units;
/* If it's less than 8KiB, they're not allowed */
if (erase_block_size < 0x2000) {
fprintf(stderr, "Erase size 0x%x too small. Increasing to 8KiB minimum\n",
erase_block_size);
erase_block_size = 0x2000;
}
break;
}
case 'l':
target_endian = __LITTLE_ENDIAN;
break;
case 'b':
target_endian = __BIG_ENDIAN;
break;
case 'p':
if (optarg)
pad_fs_size = strtol(optarg, NULL, 0);
else
pad_fs_size = -1;
break;
case 'n':
add_cleanmarkers = 0;
break;
case 'c':
cleanmarker_size = strtol(optarg, NULL, 0);
if (cleanmarker_size < sizeof(cleanmarker)) {
error_msg_and_die("cleanmarker size must be >= 12");
}
if (cleanmarker_size >= erase_block_size) {
error_msg_and_die("cleanmarker size must be < eraseblock size");
}
break;
case 'm':
if (jffs2_set_compression_mode_name(optarg)) {
error_msg_and_die("Unknown compression mode %s", optarg);
}
break;
case 'x':
if (jffs2_disable_compressor_name(optarg)) {
error_msg_and_die("Unknown compressor name %s",optarg);
}
break;
case 'X':
if (jffs2_enable_compressor_name(optarg)) {
error_msg_and_die("Unknown compressor name %s",optarg);
}
break;
case 'L':
error_msg_and_die("\n%s",jffs2_list_compressors());
break;
case 't':
jffs2_compression_check_set(1);
break;
case 'y':
compr_name = malloc(strlen(optarg));
sscanf(optarg,"%d:%s",&compr_prior,compr_name);
if ((compr_prior>=0)&&(compr_name)) {
if (jffs2_set_compressor_priority(compr_name, compr_prior))
exit(EXIT_FAILURE);
}
else {
error_msg_and_die("Cannot parse %s",optarg);
}
free(compr_name);
break;
case 'i':
if (in_fd != -1) {
error_msg_and_die("(incremental) filename specified more than once");
}
in_fd = open(optarg, O_RDONLY);
if (in_fd == -1) {
perror_msg_and_die("cannot open (incremental) file");
}
break;
case 1000: /* --with-xattr */
enable_xattr |= (1 << JFFS2_XPREFIX_USER)
| (1 << JFFS2_XPREFIX_SECURITY)
| (1 << JFFS2_XPREFIX_ACL_ACCESS)
| (1 << JFFS2_XPREFIX_ACL_DEFAULT)
| (1 << JFFS2_XPREFIX_TRUSTED);
break;
case 1001: /* --with-selinux */
enable_xattr |= (1 << JFFS2_XPREFIX_SECURITY);
break;
case 1002: /* --with-posix-acl */
enable_xattr |= (1 << JFFS2_XPREFIX_ACL_ACCESS)
| (1 << JFFS2_XPREFIX_ACL_DEFAULT);
break;
}
}
if (out_fd == -1) {
if (isatty(1)) {
error_msg_and_die(helptext);
}
out_fd = 1;
}
if (lstat(rootdir, &sb)) {
perror_msg_and_die("%s", rootdir);
}
if (chdir(rootdir))
perror_msg_and_die("%s", rootdir);
if (!(cwd = getcwd(0, GETCWD_SIZE)))
perror_msg_and_die("getcwd failed");
if(in_fd != -1)
parse_image();
root = recursive_add_host_directory(NULL, "/", cwd);
if (devtable)
parse_device_table(root, devtable);
create_target_filesystem(root);
cleanup(root);
if (rootdir != default_rootdir)
free(rootdir);
close(out_fd);
if (verbose) {
char *s = jffs2_stats();
fprintf(stderr,"\n\n%s",s);
free(s);
}
if ((verbose)||(jffs2_compression_check_get()&&(jffs2_compression_check_errorcnt_get()))) {
fprintf(stderr,"Compression errors: %d\n",jffs2_compression_check_errorcnt_get());
}
jffs2_compressors_exit();
return 0;
}
/*
* Usage:
*
* mkcramfs directory-name outfile
*
* where "directory-name" is simply the root of the directory
* tree that we want to generate a compressed filesystem out
* of.
*/
int main(int argc, char **argv)
{
struct stat st; /* used twice... */
struct entry *root_entry;
char *rom_image;
ssize_t offset, written;
int fd;
/* initial guess (upper-bound) of required filesystem size */
off_t fslen_ub = sizeof(struct cramfs_super);
char const *dirname, *outfile;
u32 crc;
int c; /* for getopt */
char *ep; /* for strtoul */
FILE *devtable = NULL;
total_blocks = 0;
if (argc)
progname = argv[0];
/* command line options */
while ((c = getopt(argc, argv, "hEe:i:n:psvzD:q")) != EOF) {
switch (c) {
case 'h':
usage(MKFS_OK);
case 'E':
opt_errors = 1;
break;
case 'e':
errno = 0;
opt_edition = strtoul(optarg, &ep, 10);
if (errno || optarg[0] == '\0' || *ep != '\0')
usage(MKFS_USAGE);
break;
case 'i':
opt_image = optarg;
if (lstat(opt_image, &st) < 0) {
error_msg_and_die("lstat failed: %s", opt_image);
}
image_length = st.st_size; /* may be padded later */
fslen_ub += (image_length + 3); /* 3 is for padding */
break;
case 'n':
opt_name = optarg;
break;
case 'p':
opt_pad = PAD_SIZE;
fslen_ub += PAD_SIZE;
break;
case 's':
/* old option, ignored */
break;
case 'v':
opt_verbose++;
break;
case 'z':
opt_holes = 1;
break;
case 'q':
opt_squash = 1;
break;
case 'D':
devtable = xfopen(optarg, "r");
if (fstat(fileno(devtable), &st) < 0)
perror_msg_and_die(optarg);
if (st.st_size < 10)
error_msg_and_die("%s: not a proper device table file\n", optarg);
break;
}
}
if ((argc - optind) != 2)
usage(MKFS_USAGE);
dirname = argv[optind];
outfile = argv[optind + 1];
if (stat(dirname, &st) < 0) {
error_msg_and_die("stat failed: %s", dirname);
}
fd = xopen(outfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
root_entry = xcalloc(1, sizeof(struct entry));
root_entry->mode = st.st_mode;
root_entry->uid = st.st_uid;
root_entry->gid = st.st_gid;
root_entry->size = parse_directory(root_entry, dirname, &root_entry->child, &fslen_ub);
if (devtable) {
parse_device_table(devtable, root_entry, &fslen_ub);
}
/* always allocate a multiple of blksize bytes because that's
what we're going to write later on */
fslen_ub = ((fslen_ub - 1) | (blksize - 1)) + 1;
if (fslen_ub > MAXFSLEN) {
fprintf(stderr,
"warning: estimate of required size (upper bound) is %LdMB, but maximum image size is %uMB, we might die prematurely\n",
fslen_ub >> 20,
MAXFSLEN >> 20);
fslen_ub = MAXFSLEN;
}
