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tar_rom: Ignore leading './' in tar archives

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This commit is contained in:
Norman Feske 2012-08-17 08:29:03 +02:00
parent 4914032800
commit d7300e882b
1 changed files with 8 additions and 1 deletions
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9
os/src/server/tar_rom/main.cc
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@ -82,8 +82,15 @@ class Rom_session_component : public Genode::Rpc_object<Genode::Rom_session>
Genode::ascii_to(_tar_addr + block_id*_BLOCK_LEN + _FIELD_SIZE_LEN,
&file_size, 8);
/* get name of tar record */
char const *record_filename = _tar_addr + block_id*_BLOCK_LEN;
/* skip leading dot of path if present */
if (record_filename[0] == '.' && record_filename[1] == '/')
record_filename++;
/* get infos about current file */
if (Genode::strcmp(_filename, _tar_addr + block_id*_BLOCK_LEN) == 0) {
if (Genode::strcmp(_filename, record_filename) == 0) {
_file_size = file_size;
_file_addr = _tar_addr + (block_id+1) * _BLOCK_LEN;
file_found = true;