AK: Remove custom %b format string specifier

This was a non-standard specifier alias for %02x. This patch replaces
all uses of it with new-style formatting functions instead.

AK/PrintfImplementation.h

@@ -390,10 +390,6 @@ struct PrintfImpl {
     {
         return print_hex(m_putch, m_bufptr, NextArgument<int>()(ap), false, state.alternate_form, false, true, 4);
     }
-    ALWAYS_INLINE int format_b(const ModifierState& state, ArgumentListRefT ap) const
-    {
-        return print_hex(m_putch, m_bufptr, NextArgument<int>()(ap), false, state.alternate_form, false, true, 2);
-    }
     ALWAYS_INLINE int format_c(const ModifierState& state, ArgumentListRefT ap) const
     {
         char c = NextArgument<int>()(ap);
@@ -502,7 +498,6 @@ ALWAYS_INLINE int printf_internal(PutChFunc putch, char* buffer, const char*& fm
                 PRINTF_IMPL_DELEGATE_TO_IMPL(P);
                 PRINTF_IMPL_DELEGATE_TO_IMPL(Q);
                 PRINTF_IMPL_DELEGATE_TO_IMPL(X);
-                PRINTF_IMPL_DELEGATE_TO_IMPL(b);
                 PRINTF_IMPL_DELEGATE_TO_IMPL(c);
                 PRINTF_IMPL_DELEGATE_TO_IMPL(d);
 #ifndef KERNEL

Applications/FontEditor/FontEditor.cpp

@@ -345,7 +345,7 @@ FontEditorWidget::FontEditorWidget(const String& path, RefPtr<Gfx::Font>&& edite
         m_glyph_editor_widget->set_glyph(glyph);
         glyph_width_spinbox.set_value(m_edited_font->glyph_width(m_glyph_map_widget->selected_glyph()));
         StringBuilder builder;
-        builder.appendf("0x%b (", glyph);
+        builder.appendff("{:#02x} (", glyph);
         if (glyph < 128) {
             builder.append(glyph);
         } else {

Kernel/Devices/KeyboardDevice.cpp

@@ -296,7 +296,7 @@ void KeyboardDevice::irq_handle_byte_read(u8 byte)
     }
 
 #ifdef KEYBOARD_DEBUG
-    dbg() << "Keyboard::irq_handle_byte_read: " << String::format("%b", ch) << " " << (pressed ? "down" : "up");
+    dbgln("Keyboard::irq_handle_byte_read: {:#02x} {}", ch, (pressed ? "down" : "up"));
 #endif
     switch (ch) {
     case 0x38:

Kernel/Net/E1000NetworkAdapter.cpp

@@ -217,7 +217,7 @@ E1000NetworkAdapter::E1000NetworkAdapter(PCI::Address address, u8 irq)
     klog() << "E1000: Has EEPROM? " << m_has_eeprom;
     read_mac_address();
     const auto& mac = mac_address();
-    klog() << "E1000: MAC address: " << String::format("%b", mac[0]) << ":" << String::format("%b", mac[1]) << ":" << String::format("%b", mac[2]) << ":" << String::format("%b", mac[3]) << ":" << String::format("%b", mac[4]) << ":" << String::format("%b", mac[5]);
+    klog() << "E1000: MAC address: " << mac.to_string();
 
     u32 flags = in32(REG_CTRL);
     out32(REG_CTRL, flags | ECTRL_SLU);
@@ -458,7 +458,7 @@ void E1000NetworkAdapter::send_raw(ReadonlyBytes payload)
         m_wait_queue.wait_on(nullptr, "E1000NetworkAdapter");
     }
 #ifdef E1000_DEBUG
-    klog() << "E1000: Sent packet, status is now " << String::format("%b", descriptor.status) << "!";
+    dbgln("E1000: Sent packet, status is now {:#02x}!", descriptor.status);
 #endif
 }
 

Kernel/Net/NetworkTask.cpp

@@ -128,7 +128,7 @@ void NetworkTask_main(void*)
 
 #ifdef ETHERNET_VERY_DEBUG
         for (size_t i = 0; i < packet_size; i++) {
-            klog() << String::format("%b", buffer[i]);
+            klog() << String::format("%#02x", buffer[i]);
 
             switch (i % 16) {
             case 7:
@@ -249,7 +249,7 @@ void handle_icmp(const EthernetFrameHeader& eth, const IPv4Packet& ipv4_packet,
 {
     auto& icmp_header = *static_cast<const ICMPHeader*>(ipv4_packet.payload());
 #ifdef ICMP_DEBUG
-    klog() << "handle_icmp: source=" << ipv4_packet.source().to_string().characters() << ", destination=" << ipv4_packet.destination().to_string().characters() << ", type=" << String::format("%b", icmp_header.type()) << ", code=" << String::format("%b", icmp_header.code());
+    dbgln("handle_icmp: source={}, destination={}, type={:#02x}, code={:#02x}", ipv4_packet.source().to_string(), ipv4_packet.destination().to_string(), icmp_header.type(), icmp_header.code());
 #endif
 
     {

Kernel/PCI/Definitions.h

@@ -144,7 +144,7 @@ protected:
 
 inline const LogStream& operator<<(const LogStream& stream, const Address value)
 {
-    return stream << "PCI [" << String::format("%w", value.seg()) << ":" << String::format("%b", value.bus()) << ":" << String::format("%b", value.slot()) << "." << String::format("%b", value.function()) << "]";
+    return stream << "PCI [" << String::formatted("{:04x}:{:02x}:{:02x}:{:02x}", value.seg(), value.bus(), value.slot(), value.function()) << "]";
 }
 
 struct ChangeableAddress : public Address {

Kernel/PCI/MMIOAccess.cpp

@@ -131,7 +131,7 @@ MMIOAccess::MMIOAccess(PhysicalAddress p_mcfg)
         m_mapped_device_regions.append(make<DeviceConfigurationSpaceMapping>(address, m_segments.get(address.seg()).value()));
         m_physical_ids.append({ address, id, get_capabilities(address) });
 #ifdef PCI_DEBUG
-        dbg() << "PCI: Mapping device @ pci (" << String::format("%w", address.seg()) << ":" << String::format("%b", address.bus()) << ":" << String::format("%b", address.slot()) << "." << String::format("%b", address.function()) << ")"
+        dbg() << "PCI: Mapping device @ pci (" << address << ")"
               << " " << m_mapped_device_regions.last().vaddr() << " " << m_mapped_device_regions.last().paddr();
 #endif
     });

Kernel/Storage/IDEChannel.cpp

@@ -256,7 +256,7 @@ void IDEChannel::handle_irq(const RegisterState&)
     if (status & ATA_SR_ERR) {
         print_ide_status(status);
         m_device_error = m_io_group.io_base().offset(ATA_REG_ERROR).in<u8>();
-        klog() << "IDEChannel: Error " << String::format("%b", m_device_error) << "!";
+        dbgln("IDEChannel: Error {:#02x}!", (u8)m_device_error);
         complete_current_request(AsyncDeviceRequest::Failure);
         return;
     }
@@ -557,8 +557,8 @@ void IDEChannel::ata_do_write_sector()
     ASSERT(status & ATA_SR_DRQ);
 
     auto in_buffer = request.buffer().offset(m_current_request_block_index * 512);
-#ifdef PATA_DEBUG
-    dbg() << "IDEChannel: Writing 512 bytes (part " << m_current_request_block_index << ") (status=" << String::format("%b", status) << ")...";
+#ifndef PATA_DEBUG
+    dbgln("IDEChannel: Writing 512 bytes (part {}) (status={:#02x})...", m_current_request_block_index, status);
 #endif
     ssize_t nread = request.read_from_buffer_buffered<512>(in_buffer, 512, [&](const u8* buffer, size_t buffer_bytes) {
         for (size_t i = 0; i < buffer_bytes; i += sizeof(u16))

Kernel/Thread.cpp

@@ -862,7 +862,6 @@ RefPtr<Thread> Thread::clone(Process& process)
     clone->m_signal_mask = m_signal_mask;
     memcpy(clone->m_fpu_state, m_fpu_state, sizeof(FPUState));
     clone->m_thread_specific_data = m_thread_specific_data;
-    clone->m_thread_specific_region_size = m_thread_specific_region_size;
     return clone;
 }
 
@@ -1037,19 +1036,28 @@ Vector<FlatPtr> Thread::raw_backtrace(FlatPtr ebp, FlatPtr eip) const
     return backtrace;
 }
 
+size_t Thread::thread_specific_region_alignment() const
+{
+    return max(process().m_master_tls_alignment, alignof(ThreadSpecificData));
+}
+
+size_t Thread::thread_specific_region_size() const
+{
+    return align_up_to(process().m_master_tls_size, thread_specific_region_alignment()) + sizeof(ThreadSpecificData);
+}
+
 KResult Thread::make_thread_specific_region(Badge<Process>)
 {
     // The process may not require a TLS region
     if (!process().m_master_tls_region)
         return KSuccess;
 
-    size_t thread_specific_region_alignment = max(process().m_master_tls_alignment, alignof(ThreadSpecificData));
-    m_thread_specific_region_size = align_up_to(process().m_master_tls_size, thread_specific_region_alignment) + sizeof(ThreadSpecificData);
-    auto* region = process().allocate_region({}, m_thread_specific_region_size, "Thread-specific", PROT_READ | PROT_WRITE, true);
+    auto* region = process().allocate_region({}, thread_specific_region_size(), "Thread-specific", PROT_READ | PROT_WRITE, true);
     if (!region)
         return KResult(-ENOMEM);
+
     SmapDisabler disabler;
-    auto* thread_specific_data = (ThreadSpecificData*)region->vaddr().offset(align_up_to(process().m_master_tls_size, thread_specific_region_alignment)).as_ptr();
+    auto* thread_specific_data = (ThreadSpecificData*)region->vaddr().offset(align_up_to(process().m_master_tls_size, thread_specific_region_alignment())).as_ptr();
     auto* thread_local_storage = (u8*)((u8*)thread_specific_data) - align_up_to(process().m_master_tls_size, process().m_master_tls_alignment);
     m_thread_specific_data = VirtualAddress(thread_specific_data);
     thread_specific_data->self = thread_specific_data;

Kernel/Thread.h

@@ -758,7 +758,8 @@ public:
     const char* state_string() const;
 
     VirtualAddress thread_specific_data() const { return m_thread_specific_data; }
-    size_t thread_specific_region_size() const { return m_thread_specific_region_size; }
+    size_t thread_specific_region_size() const;
+    size_t thread_specific_region_alignment() const;
 
     ALWAYS_INLINE void yield_if_stopped()
     {
@@ -1198,7 +1199,6 @@ private:
     u32 m_kernel_stack_top { 0 };
     OwnPtr<Region> m_kernel_stack_region;
     VirtualAddress m_thread_specific_data;
-    size_t m_thread_specific_region_size { 0 };
     SignalActionData m_signal_action_data[32];
     Blocker* m_blocker { nullptr };
 

Libraries/LibVT/Terminal.cpp

@@ -824,7 +824,7 @@ void Terminal::DSR(const ParamVector& params)
 void Terminal::on_input(u8 ch)
 {
 #ifdef TERMINAL_DEBUG
-    dbgprintf("Terminal::on_char: %b (%c), fg=%u, bg=%u\n", ch, ch, m_current_attribute.foreground_color, m_current_attribute.background_color);
+    dbgln("Terminal::on_input: {:#02x} ({:c}), fg={}, bg={}\n", ch, ch, m_current_attribute.foreground_color, m_current_attribute.background_color);
 #endif
 
     auto fail_utf8_parse = [this] {

Userland/printf.cpp

@@ -46,10 +46,6 @@ struct PrintfImpl : public PrintfImplementation::PrintfImpl<PutChFunc, ArgumentL
     {
     }
 
-    ALWAYS_INLINE int format_b(const PrintfImplementation::ModifierState&, ArgumentListRefT&) const
-    {
-        fail("format specifier 'b' is not supported");
-    }
     ALWAYS_INLINE int format_q(const PrintfImplementation::ModifierState& state, ArgumentListRefT& ap) const
     {
         auto state_copy = state;