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Kernel: Make KBufferBuilder::append() & friends return KResult

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This allows callers to react to a failed append (due to OOM.)
This commit is contained in:
Andreas Kling
2021-09-06 18:24:13 +02:00
parent b096e85777
commit 2065ced8f6
7 changed files with 63 additions and 42 deletions
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8
Kernel/ProcessSpecificExposed.cpp
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@@ -81,7 +81,7 @@ KResultOr<size_t> Process::procfs_get_file_description_link(unsigned fd, KBuffer
{
auto file_description = TRY(m_fds.file_description(fd));
auto data = file_description->absolute_path();
builder.append(data);
TRY(builder.append(data));
return data.length();
}
@@ -249,8 +249,7 @@ KResult Process::procfs_get_virtual_memory_stats(KBufferBuilder& builder) const
KResult Process::procfs_get_current_work_directory_link(KBufferBuilder& builder) const
{
builder.append_bytes(const_cast<Process&>(*this).current_directory().absolute_path().bytes());
return KSuccess;
return builder.append_bytes(const_cast<Process&>(*this).current_directory().absolute_path().bytes());
}
mode_t Process::binary_link_required_mode() const
@@ -265,8 +264,7 @@ KResult Process::procfs_get_binary_link(KBufferBuilder& builder) const
auto* custody = executable();
if (!custody)
return KResult(ENOEXEC);
builder.append(custody->absolute_path().bytes());
return KSuccess;
return builder.append(custody->absolute_path().bytes());
}
}