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gzip: Port to LibMain

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Rummskartoffel 2022-01-08 13:03:22 +01:00 committed by Andreas Kling
parent 69445f3dcb
commit 748218d5d0
Notes: sideshowbarker 2024-07-17 21:26:03 +09:00 
Author: https://github.com/Rummskartoffel
Commit: https://github.com/SerenityOS/serenity/commit/748218d5d03
Pull-request: https://github.com/SerenityOS/serenity/pull/11721
Reviewed-by: https://github.com/IdanHo
2 changed files with 7 additions and 14 deletions
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2
Userland/Utilities/CMakeLists.txt
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@ -102,7 +102,7 @@ target_link_libraries(grep LibRegex)
target_link_libraries(gron LibMain)
target_link_libraries(groups LibMain)
target_link_libraries(gunzip LibCompress)
target_link_libraries(gzip LibCompress)
target_link_libraries(gzip LibCompress LibMain)
target_link_libraries(id LibMain)
target_link_libraries(ini LibMain)
target_link_libraries(jp LibMain)

19
Userland/Utilities/gzip.cpp
View File

@ -8,9 +8,11 @@
#include <LibCore/ArgsParser.h>
#include <LibCore/FileStream.h>
#include <LibCore/MappedFile.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <unistd.h>
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
Vector<StringView> filenames;
bool keep_input_files { false };
@ -22,7 +24,7 @@ int main(int argc, char** argv)
args_parser.add_option(write_to_stdout, "Write to stdout, keep original files unchanged", "stdout", 'c');
args_parser.add_option(decompress, "Decompress", "decompress", 'd');
args_parser.add_positional_argument(filenames, "Files", "FILES");
args_parser.parse(argc, argv);
args_parser.parse(arguments);
if (write_to_stdout)
keep_input_files = true;
@ -41,12 +43,7 @@ int main(int argc, char** argv)
// We map the whole file instead of streaming to reduce size overhead (gzip header) and increase the deflate block size (better compression)
// TODO: automatically fallback to buffered streaming for very large files
auto file_or_error = Core::MappedFile::map(input_filename);
if (file_or_error.is_error()) {
warnln("Failed opening input file for reading: {}", file_or_error.error());
return 1;
}
auto file = file_or_error.value();
auto file = TRY(Core::MappedFile::map(input_filename));
AK::Optional<ByteBuffer> output_bytes;
if (decompress) {
@ -78,11 +75,7 @@ int main(int argc, char** argv)
}
if (!keep_input_files) {
const auto retval = unlink(String(input_filename).characters());
if (retval != 0) {
warnln("Failed removing input file");
return 1;
}
TRY(Core::System::unlink(input_filename));
}
}
return 0;