static bool ExtractArchive(const char *zip_file, const char *out_dir)
{
struct archive *input = archive_read_new();
archive_read_support_format_all(input);
archive_read_support_compression_all(input);
struct archive *output = archive_write_disk_new();
archive_write_disk_set_options(output, ARCHIVE_EXTRACT_TIME);
archive_write_disk_set_standard_lookup(output);
int hRes;
const int BLOCK_SIZE = 65536;
int r = archive_read_open_filename(input, zip_file, BLOCK_SIZE);
if (r != ARCHIVE_OK)
{
extraction_error = IDS_BADARCHIVE;
return false;
}
// libarchive can only extract into the current directory, so we
// need to set it and restore it.
char original_dir[MAX_PATH];
char *cRet = getcwd(original_dir, sizeof(original_dir));
hRes = chdir(out_dir);
bool retval = true;
while (true)
{
struct archive_entry *entry;
r = archive_read_next_header(input, &entry);
if (r == ARCHIVE_EOF)
break;
if (r != ARCHIVE_OK)
{
extraction_error = IDS_BADARCHIVE;
retval = false;
break;
}
r = archive_write_header(output, entry);
if (r != ARCHIVE_OK)
{
const char *msg = archive_error_string(output);
extraction_error = IDS_UNKNOWNERROR;
retval = false;
break;
}
if (archive_entry_size(entry) > 0)
{
r = CopyArchiveData(input, output);
if (r != ARCHIVE_OK)
{
const char *msg = archive_error_string(output);
extraction_error = IDS_UNKNOWNERROR;
retval = false;
break;
}
}
r = archive_write_finish_entry(output);
if (r != ARCHIVE_OK)
{
extraction_error = IDS_UNKNOWNERROR;
retval = false;
break;
}
// Extraction went OK; process Windows messages
ClearMessageQueue();
}
archive_read_close(input);
archive_read_free(input);
archive_write_close(output);
archive_write_free(output);
// Go back to original working directory
hRes = chdir(original_dir);
return retval;
}
bool ExtractArchive(const char *zip_file, const char *out_dir)
{
struct archive *input = archive_read_new();
archive_read_support_format_all(input);
archive_read_support_compression_all(input);
struct archive *output = archive_write_disk_new();
archive_write_disk_set_options(output, ARCHIVE_EXTRACT_TIME);
archive_write_disk_set_standard_lookup(output);
const int BLOCK_SIZE = 65536;
int r = archive_read_open_filename(input, zip_file, BLOCK_SIZE);
if (r != ARCHIVE_OK)
{
debug(("Error opening archive %s: %s\n", zip_file, archive_error_string(input)));
extraction_error = IDS_BADARCHIVE;
return false;
}
// libarchive can only extract into the current directory, so we
// need to set it and restore it.
char original_dir[MAX_PATH];
getcwd(original_dir, sizeof(original_dir));
chdir(out_dir);
bool retval = true;
while (true)
{
struct archive_entry *entry;
r = archive_read_next_header(input, &entry);
if (r == ARCHIVE_EOF)
break;
if (r != ARCHIVE_OK)
{
debug(("Error reading archive header: %s\n", archive_error_string(input)));
extraction_error = IDS_BADARCHIVE;
retval = false;
break;
}
r = archive_write_header(output, entry);
if (r != ARCHIVE_OK)
{
debug(("Error writing archive header: %s\n", archive_error_string(input)));
extraction_error = IDS_UNKNOWNERROR;
retval = false;
break;
}
if (archive_entry_size(entry) > 0)
{
r = CopyArchiveData(input, output);
if (r != ARCHIVE_OK)
{
debug(("CopyArchiveData error: %s\n", archive_error_string(input)));
extraction_error = IDS_UNKNOWNERROR;
retval = false;
break;
}
}
r = archive_write_finish_entry(output);
if (r != ARCHIVE_OK)
{
debug(("write_finish_entry error: %s\n", archive_error_string(input)));
extraction_error = IDS_UNKNOWNERROR;
retval = false;
break;
}
debug(("Archive file %s extracted\n", archive_entry_pathname(entry)));
// Extraction went OK; process Windows messages
ClearMessageQueue(); // Check for user hitting abort button
// Check for user abort
if (abort_download)
{
retval = false;
break;
}
}
archive_read_close(input);
archive_read_free(input);
archive_write_close(output);
archive_write_free(output);
// Go back to original working directory
chdir(original_dir);
return retval;
}
