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Shell: Add exec builtin

This commit is contained in:
Bananymous 2025-11-17 02:35:03 +02:00
parent 160a9278c9
commit db20801521
1 changed files with 17 additions and 0 deletions
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17
userspace/programs/Shell/Builtin.cpp
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@ -36,6 +36,23 @@ void Builtin::initialize()
}, true }, true
)); ));
MUST(m_builtin_commands.emplace("exec"_sv,
[](Execute&, BAN::Span<const BAN::String> arguments, FILE*, FILE*) -> int
{
if (arguments.size() <= 1)
return 0;
BAN::Vector<const char*> argv;
for (size_t i = 1; i < arguments.size(); i++)
MUST(argv.push_back(arguments[i].data()));
MUST(argv.push_back(nullptr));
execvp(argv[0], const_cast<char* const*>(argv.data()));
exit(128 + errno);
ASSERT_NOT_REACHED();
}, true
));
MUST(m_builtin_commands.emplace("export"_sv, MUST(m_builtin_commands.emplace("export"_sv,
[](Execute&, BAN::Span<const BAN::String> arguments, FILE*, FILE*) -> int [](Execute&, BAN::Span<const BAN::String> arguments, FILE*, FILE*) -> int
{ {