LibC: Fix some incorrect printf usages

Libraries/LibC/malloc.cpp

@@ -318,7 +318,7 @@ static void free_impl(void* ptr)
     auto* block = (ChunkedBlock*)block_base;
 
 #ifdef MALLOC_DEBUG
-    dbgprintf("LibC: freeing %p in allocator %p (size=%u, used=%u)\n", ptr, block, block->bytes_per_chunk(), block->used_chunks());
+    dbgprintf("LibC: freeing %p in allocator %p (size=%zu, used=%zu)\n", ptr, block, block->bytes_per_chunk(), block->used_chunks());
 #endif
 
     if (s_scrub_free)
@@ -332,7 +332,7 @@ static void free_impl(void* ptr)
         size_t good_size;
         auto* allocator = allocator_for_size(block->m_size, good_size);
 #ifdef MALLOC_DEBUG
-        dbgprintf("Block %p no longer full in size class %u\n", block, good_size);
+        dbgprintf("Block %p no longer full in size class %zu\n", block, good_size);
 #endif
         g_malloc_stats.number_of_freed_full_blocks++;
         allocator->full_blocks.remove(block);
@@ -346,7 +346,7 @@ static void free_impl(void* ptr)
         auto* allocator = allocator_for_size(block->m_size, good_size);
         if (allocator->block_count < number_of_chunked_blocks_to_keep_around_per_size_class) {
 #ifdef MALLOC_DEBUG
-            dbgprintf("Keeping block %p around for size class %u\n", block, good_size);
+            dbgprintf("Keeping block %p around for size class %zu\n", block, good_size);
 #endif
             g_malloc_stats.number_of_keeps++;
             allocator->usable_blocks.remove(block);
@@ -356,7 +356,7 @@ static void free_impl(void* ptr)
             return;
         }
 #ifdef MALLOC_DEBUG
-        dbgprintf("Releasing block %p for size class %u\n", block, good_size);
+        dbgprintf("Releasing block %p for size class %zu\n", block, good_size);
 #endif
         g_malloc_stats.number_of_frees++;
         allocator->usable_blocks.remove(block);

Libraries/LibDiff/Format.cpp

@@ -34,7 +34,7 @@ String generate_only_additions(const String& text)
 {
     auto lines = text.split('\n', true); // Keep empty
     StringBuilder builder;
-    builder.appendf("@@ -1,%u +1,%u @@\n", lines.size());
+    builder.appendf("@@ -1,%zu +1,%zu @@\n", lines.size());
     for (const auto& line : lines) {
         builder.appendf("+%s\n", line.characters());
     }

Libraries/LibGUI/BoxLayout.cpp

@@ -48,7 +48,7 @@ void BoxLayout::run(Widget& widget)
     should_log = true;
 #endif
     if (should_log)
-        dbgprintf("BoxLayout: running layout on %s{%p}, entry count: %d\n", widget.class_name(), &widget, m_entries.size());
+        dbgprintf("BoxLayout: running layout on %s{%p}, entry count: %zu\n", widget.class_name(), &widget, m_entries.size());
 
     if (m_entries.is_empty())
         return;
@@ -94,7 +94,7 @@ void BoxLayout::run(Widget& widget)
     available_size -= { margins().left() + margins().right(), margins().top() + margins().bottom() };
 
     if (should_log)
-        dbgprintf("BoxLayout:  Number of visible: %d/%d\n", number_of_visible_entries, m_entries.size());
+        dbgprintf("BoxLayout:  Number of visible: %d/%zu\n", number_of_visible_entries, m_entries.size());
 
     int number_of_entries_with_automatic_size = number_of_visible_entries - number_of_entries_with_fixed_size;
 

Libraries/LibGfx/ICOLoader.cpp

@@ -208,7 +208,7 @@ static bool load_ico_directory(ICOLoadingContext& context)
             return false;
         }
 #ifdef ICO_DEBUG
-        printf("load_ico_directory: index %lu width: %u height: %u offset: %lu size: %lu\n",
+        printf("load_ico_directory: index %zu width: %u height: %u offset: %lu size: %lu\n",
             i, desc.width, desc.height, desc.offset, desc.size);
 #endif
         context.images.append(desc);

Libraries/LibVT/Terminal.cpp

@@ -246,7 +246,7 @@ void Terminal::escape$t(const ParamVector& params)
 {
     if (params.size() < 1)
         return;
-    dbgprintf("FIXME: escape$t: Ps: %u (param count: %d)\n", params[0], params.size());
+    dbgprintf("FIXME: escape$t: Ps: %u (param count: %zu)\n", params[0], params.size());
 }
 
 void Terminal::DECSTBM(const ParamVector& params)

Libraries/LibWeb/Dump.cpp

@@ -393,7 +393,7 @@ void dump_rule(const CSS::StyleRule& rule)
 
 void dump_sheet(const CSS::StyleSheet& sheet)
 {
-    dbgprintf("StyleSheet{%p}: %d rule(s)\n", &sheet, sheet.rules().size());
+    dbgprintf("StyleSheet{%p}: %zu rule(s)\n", &sheet, sheet.rules().size());
 
     for (auto& rule : sheet.rules()) {
         dump_rule(rule);

Userland/DynamicLoader/main.cpp

@@ -188,7 +188,7 @@ static void allocate_tls()
 {
     size_t total_tls_size = 0;
     for (const auto& data : g_loaders) {
-        VERBOSE("%s: TLS Size: %u\n", data.key.characters(), data.value->tls_size());
+        VERBOSE("%s: TLS Size: %zu\n", data.key.characters(), data.value->tls_size());
         total_tls_size += data.value->tls_size();
     }
     if (total_tls_size) {
@@ -270,7 +270,7 @@ static FlatPtr loader_main(auxv_t* auxvp)
 
     VERBOSE("loaded all dependencies");
     for ([[maybe_unused]] auto& lib : g_loaders) {
-        VERBOSE("%s - tls size: %u, tls offset: %u\n", lib.key.characters(), lib.value->tls_size(), lib.value->tls_offset());
+        VERBOSE("%s - tls size: %zu, tls offset: %zu\n", lib.key.characters(), lib.value->tls_size(), lib.value->tls_offset());
     }
 
     allocate_tls();
@@ -283,7 +283,7 @@ static FlatPtr loader_main(auxv_t* auxvp)
     if (main_program_lib->is_dynamic())
         entry_point += reinterpret_cast<FlatPtr>(main_program_lib->text_segment_load_address().as_ptr());
 
-    VERBOSE("entry point: %p\n", entry_point);
+    VERBOSE("entry point: %p\n", (void*)entry_point);
 
     // This will unmap the temporary memory maps we had for loading the libraries
     clear_temporary_objects_mappings();

Userland/Tests/LibC/snprintf-correctness.cpp

@@ -32,6 +32,8 @@
 #include <ctype.h>
 #include <stdio.h>
 
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+
 struct Testcase {
     const char* dest;
     size_t dest_n;

Userland/cal.cpp

@@ -155,14 +155,12 @@ int main(int argc, char** argv)
             insert_month_to_print(0, i++, year);
             insert_month_to_print(1, i++, year);
             insert_month_to_print(2, i, year);
-            printf(print_buffer);
+            printf("%s\n", print_buffer);
-            printf("\n");
             clean_buffers();
         }
     } else {
         insert_month_to_print(0, month, year);
-        printf(print_buffer);
+        printf("%s\n\n", print_buffer);
-        printf("\n\n");
         clean_buffers();
     }
 

Userland/seq.cpp

@@ -30,7 +30,7 @@
 #include <string.h>
 #include <unistd.h>
 
-const char* g_usage = R"(Usage:
+const char* const g_usage = R"(Usage:
     seq [-h|--help]
     seq LAST
     seq FIRST LAST
@@ -39,7 +39,7 @@ const char* g_usage = R"(Usage:
 
 static void print_usage(FILE* stream)
 {
-    fprintf(stream, g_usage);
+    fputs(g_usage, stream);
     return;
 }