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LibCore: Add convenience templates for System::{unveil,pledge}
These convenience templates allow the following to be written as before: TRY(Core::System::pledge("promises...")); TRY(Core::System::pledge("promises...", "execpromises...")); TRY(Core::System::unveil("path", "permissions")); TRY(Core::System::unveil(nullptr, nullptr)); Other uses must now append sv to any literal string passed to pledge and unveil.
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@ -55,6 +55,29 @@ inline ErrorOr<void> unveil(StringView, StringView)
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inline ErrorOr<void> pledge(StringView, StringView = {}) { return {}; }
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#endif
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template<size_t N>
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ALWAYS_INLINE ErrorOr<void> pledge(char const (&promises)[N])
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{
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return pledge(StringView { promises, N - 1 });
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}
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template<size_t NPromises, size_t NExecPromises>
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ALWAYS_INLINE ErrorOr<void> pledge(char const (&promises)[NPromises], char const (&execpromises)[NExecPromises])
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{
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return pledge(StringView { promises, NPromises - 1 }, StringView { execpromises, NExecPromises - 1 });
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}
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template<size_t NPath, size_t NPermissions>
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ALWAYS_INLINE ErrorOr<void> unveil(char const (&path)[NPath], char const (&permissions)[NPermissions])
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{
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return unveil(StringView { path, NPath - 1 }, StringView { permissions, NPermissions - 1 });
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}
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ALWAYS_INLINE ErrorOr<void> unveil(std::nullptr_t, std::nullptr_t)
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{
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return unveil(StringView {}, StringView {});
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}
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#ifndef AK_OS_BSD_GENERIC
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ErrorOr<Optional<struct spwd>> getspent();
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ErrorOr<Optional<struct spwd>> getspnam(StringView name);
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