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Diffstat (limited to 'unpack')
-rw-r--r--unpack/options.c8
-rw-r--r--unpack/rdsquashfs.c3
-rw-r--r--unpack/rdsquashfs.h1
-rw-r--r--unpack/restore_fstree.c3
4 files changed, 12 insertions, 3 deletions
diff --git a/unpack/options.c b/unpack/options.c
index 84c17cf..c42f16a 100644
--- a/unpack/options.c
+++ b/unpack/options.c
@@ -11,6 +11,7 @@ static struct option long_opts[] = {
{ "no-fifo", no_argument, NULL, 'F' },
{ "no-slink", no_argument, NULL, 'L' },
{ "no-empty-dir", no_argument, NULL, 'E' },
+ { "no-sparse", no_argument, NULL, 'Z' },
{ "describe", no_argument, NULL, 'd' },
{ "chmod", no_argument, NULL, 'C' },
{ "chown", no_argument, NULL, 'O' },
@@ -19,7 +20,7 @@ static struct option long_opts[] = {
{ "version", no_argument, NULL, 'V' },
};
-static const char *short_opts = "l:c:u:p:DSFLCOEdqhV";
+static const char *short_opts = "l:c:u:p:DSFLCOEZdqhV";
static const char *help_string =
"Usage: %s [OPTIONS] <squashfs-file>\n"
@@ -47,6 +48,8 @@ static const char *help_string =
" --no-slink, -L Do not unpack symbolic links.\n"
" --no-empty-dir, -E Do not unpack directories that would end up\n"
" empty after applying the above rules.\n"
+" --no-sparse, -Z Do not create sparse files, always write zero\n"
+" blocks to disk.\n"
" --chmod, -C Change permission flags of unpacked files to\n"
" those store in the squashfs image.\n"
" --chown, -O Change ownership of unpacked files to the\n"
@@ -118,6 +121,9 @@ void process_command_line(options_t *opt, int argc, char **argv)
case 'O':
opt->flags |= UNPACK_CHOWN;
break;
+ case 'Z':
+ opt->flags |= UNPACK_NO_SPARSE;
+ break;
case 'c':
opt->op = OP_CAT;
opt->cmdpath = get_path(opt->cmdpath, optarg);
diff --git a/unpack/rdsquashfs.c b/unpack/rdsquashfs.c
index fcfc9c9..42bddff 100644
--- a/unpack/rdsquashfs.c
+++ b/unpack/rdsquashfs.c
@@ -100,7 +100,8 @@ int main(int argc, char **argv)
if (data == NULL)
goto out_fs;
- if (data_reader_dump_file(data, n->data.file, STDOUT_FILENO))
+ if (data_reader_dump_file(data, n->data.file,
+ STDOUT_FILENO, false))
goto out_fs;
break;
case OP_UNPACK:
diff --git a/unpack/rdsquashfs.h b/unpack/rdsquashfs.h
index 9d1ab4f..0ee48fa 100644
--- a/unpack/rdsquashfs.h
+++ b/unpack/rdsquashfs.h
@@ -24,6 +24,7 @@ enum UNPACK_FLAGS {
UNPACK_CHMOD = 0x01,
UNPACK_CHOWN = 0x02,
UNPACK_QUIET = 0x04,
+ UNPACK_NO_SPARSE = 0x08,
};
enum {
diff --git a/unpack/restore_fstree.c b/unpack/restore_fstree.c
index 976b15c..ab10f5d 100644
--- a/unpack/restore_fstree.c
+++ b/unpack/restore_fstree.c
@@ -63,7 +63,8 @@ static int create_node(tree_node_t *n, data_reader_t *data, int flags)
return -1;
}
- if (data_reader_dump_file(data, n->data.file, fd)) {
+ if (data_reader_dump_file(data, n->data.file, fd,
+ (flags & UNPACK_NO_SPARSE) == 0)) {
close(fd);
return -1;
}