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Force binary mode on stdout when writing header in dwarfsck

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This commit is contained in:
Marcus Holland-Moritz 2023-06-27 18:39:16 +02:00
parent 2dfc39eb6f
commit 0c3ee8550c
1 changed files with 10 additions and 2 deletions
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12
src/dwarfsck_main.cpp
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@ -19,6 +19,8 @@
* along with dwarfs. If not, see <https://www.gnu.org/licenses/>.
*/
#include <cerrno>
#include <cstring>
#include <iostream>
#include <string_view>
#include <vector>
@ -29,6 +31,7 @@
#include <folly/FileUtil.h>
#include <folly/String.h>
#include <folly/json.h>
#include <folly/portability/Unistd.h>
#include <folly/system/HardwareConcurrency.h>
#include "dwarfs/error.h"
@ -141,8 +144,13 @@ int dwarfsck_main(int argc, sys_char** argv) {
std::cout << folly::toPrettyJson(fs.metadata_as_dynamic()) << "\n";
} else if (print_header) {
if (auto hdr = filesystem_v2::header(mm, fsopts.image_offset)) {
std::cout << std::string_view(
reinterpret_cast<char const*>(hdr->data()), hdr->size());
#ifdef _WIN32
::_setmode(STDOUT_FILENO, _O_BINARY);
#endif
if (::write(STDOUT_FILENO, hdr->data(), hdr->size()) < 0) {
LOG_ERROR << "error writing header: " << ::strerror(errno);
return 1;
}
} else {
LOG_ERROR << "filesystem does not contain a header";
return 1;