diff options
| -rw-r--r-- | .gitignore | 3 | ||||
| -rw-r--r-- | .idea/workspace.xml | 102 | ||||
| -rw-r--r-- | base.c | 172 |
3 files changed, 105 insertions, 172 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ec5545e --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +idea/ +idea +idea/* diff --git a/.idea/workspace.xml b/.idea/workspace.xml new file mode 100644 index 0000000..47a4672 --- /dev/null +++ b/.idea/workspace.xml @@ -0,0 +1,102 @@ +<?xml version="1.0" encoding="UTF-8"?> +<project version="4"> + <component name="AutoImportSettings"> + <option name="autoReloadType" value="SELECTIVE" /> + </component> + <component name="BackendCodeEditorMiscSettings"> + <option name="/Default/Environment/Hierarchy/GeneratedFilesCacheKey/Timestamp/@EntryValue" value="4" type="long" /> + <option name="/Default/Housekeeping/FeatureSuggestion/FeatureSuggestionManager/DisabledSuggesters/=SwitchToGoToActionSuggester/@EntryIndexedValue" value="true" type="bool" /> + </component> + <component name="ChangeListManager"> + <list default="true" id="4e2e747b-4cf7-4326-a0ab-4428fecfc88f" name="Changes" comment="" /> + <option name="SHOW_DIALOG" value="false" /> + <option name="HIGHLIGHT_CONFLICTS" value="true" /> + <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" /> + <option name="LAST_RESOLUTION" value="IGNORE" /> + </component> + <component name="Git.Settings"> + <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" /> + </component> + <component name="MacroExpansionManager"> + <option name="directoryName" value="tzFWBH8r" /> + </component> + <component name="ProjectColorInfo">{ + "customColor": "", + "associatedIndex": 4 +}</component> + <component name="ProjectId" id="37WXJwlfHgfbTUSQajVrapU6YHf" /> + <component name="ProjectViewState"> + <option name="autoscrollToSource" value="true" /> + <option name="hideEmptyMiddlePackages" value="true" /> + <option name="showLibraryContents" value="true" /> + </component> + <component name="PropertiesComponent"><![CDATA[{ + "keyToString": { + "C/C++ File.main.c.executor": "Debug", + "C/C++ File.main.cpp.executor": "Debug", + "ModuleVcsDetector.initialDetectionPerformed": "true", + "RunOnceActivity.RadMigrateCodeStyle": "true", + "RunOnceActivity.ShowReadmeOnStart": "true", + "RunOnceActivity.cidr.known.project.marker": "true", + "RunOnceActivity.readMode.enableVisualFormatting": "true", + "RunOnceActivity.typescript.service.memoryLimit.init": "true", + "cf.advertisement.text.overridden": "true", + "cf.first.check.clang-format": "false", + "cidr.known.project.marker": "true", + "git-widget-placeholder": "main", + "nodejs_package_manager_path": "npm", + "org.rust.first.attach.projects": "true", + "settings.editor.selected.configurable": "preferences.lookFeel", + "vue.rearranger.settings.migration": "true" + } +}]]></component> + <component name="RunManager" selected="C/C++ File.main.c"> + <configuration name="main.c" type="CppFileRunConfiguration" factoryName="CppFileRunConfiguration" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="x11-programming" TARGET_NAME="main.c" CONFIG_NAME="main.c"> + <option name="compilerOptions" value="-lX11" /> + <option name="sourceFile" value="main.c" /> + <method v="2"> + <option name="com.jetbrains.cidr.cpp.runfile.CppFileBuildBeforeRunTaskProvider$BasicBuildBeforeRunTask" enabled="true" /> + </method> + </configuration> + <configuration name="main.cpp" type="CppFileRunConfiguration" factoryName="CppFileRunConfiguration" nameIsGenerated="true" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="x11-programming" TARGET_NAME="main.cpp" CONFIG_NAME="main.cpp"> + <option name="compilerOptions" value="-lX11" /> + <option name="sourceFile" value="main.cpp" /> + <method v="2"> + <option name="com.jetbrains.cidr.cpp.runfile.CppFileBuildBeforeRunTaskProvider$BasicBuildBeforeRunTask" enabled="true" /> + </method> + </configuration> + <list> + <item itemvalue="C/C++ File.main.c" /> + <item itemvalue="C/C++ File.main.cpp" /> + </list> + </component> + <component name="RustProjectSettings"> + <option name="toolchainHomeDirectory" value="/usr/bin" /> + </component> + <component name="TaskManager"> + <task active="true" id="Default" summary="Default task"> + <changelist id="4e2e747b-4cf7-4326-a0ab-4428fecfc88f" name="Changes" comment="" /> + <created>1767019734019</created> + <option name="number" value="Default" /> + <option name="presentableId" value="Default" /> + <updated>1767019734019</updated> + <workItem from="1767019735790" duration="556000" /> + <workItem from="1767037529556" duration="1209000" /> + <workItem from="1767098248582" duration="514000" /> + <workItem from="1767099177012" duration="1625000" /> + <workItem from="1767120425134" duration="4461000" /> + </task> + <servers /> + </component> + <component name="TypeScriptGeneratedFilesManager"> + <option name="version" value="3" /> + </component> + <component name="XDebuggerManager"> + <watches-manager> + <configuration name="CppFileRunConfiguration"> + <watch expression="gc" language="C++" /> + <watch expression="color" language="C++" /> + </configuration> + </watches-manager> + </component> +</project>
\ No newline at end of file @@ -1,172 +0,0 @@ -#include <sys/mman.h> -#include <stddef.h> -#include <stdint.h> -#include <string.h> -#include <assert.h> - -#define OK 0 -#define ERR_IO 1 -#define ERR_PARSE 2 -#define ERR_PERM 3 -#define ERR_INVALID 4 - -enum -{ - BUFFER_SIZE_SMALL = 128, - BUFFER_SIZE_DEFAULT = 256, - BUFFER_SIZE_LARGE = 512, - PATH_MAX_LEN = 4096 -}; - -typedef uint64_t u64; -typedef uint32_t u32; -typedef uint16_t u16; -typedef uint8_t u8; - -typedef int8_t i8; -typedef int16_t i16; -typedef int32_t i32; -typedef int64_t i64; - -typedef i16 b16; -typedef i32 b32; - -static inline u64 -KiB(u64 n) -{ - return n << 10; -} -static inline u64 -MiB(u64 n) -{ - return n << 20; -} -static inline u64 -GiB(u64 n) -{ - return n << 30; -} - -typedef struct mem_arena mem_arena; -mem_arena * -arena_create(u64 capacity); -void -arena_destroy(mem_arena *arena); -void -arena_clear(mem_arena *arena); - -/** - * Arena Helper macro's - * */ - -#define MIN(a, b) (((a) < (b)) ? (a) : (b)) -#define MAX(a, b) (((a) > (b)) ? (a) : (b)) -#define ALIGN_UP_POW2(n, p) (((u64)(n) + ((u64)(p) - 1)) & (~((u64)(p) - 1))) - -/* - * Represents a disk partition with major/minor device numbers and block count. - */ - -/** - * replacing malloc/free with arena allocaters - * - * */ - -#define ARENA_BASE_POS (sizeof(mem_arena)) -// void * for the size of a pointer on the machine, 64/32bit comp -#define ARENA_ALIGN (sizeof(void *)) - -struct mem_arena -{ - u64 capacity; - u64 pos; -}; - -// arena prototypes -mem_arena * -arena_create(u64 capacity); -// make it a void pointer to allow implicit conversion -void -arena_destroy(mem_arena *arena); - -void * -arena_push(mem_arena *arena, u64 size, b32 non_zero); - -void -arena_pop(mem_arena *arena, u64 size); - -void -arena_pop_to(mem_arena *arena, u64 pos); - -void -arena_clear(mem_arena *arena); - -mem_arena * -arena_create(u64 capacity) -{ - mem_arena *arena = mmap(0, capacity, PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_SHARED | MAP_ANONYMOUS, -1, 0); - if (arena == MAP_FAILED) - { - assert(0); - } - - arena->capacity = capacity; - arena->pos = ARENA_BASE_POS; - - return arena; -} - -// make it a void pointer to allow implicit conversion -void -arena_destroy(mem_arena *arena) -{ - munmap(arena, arena->capacity); -} - -void * -arena_push(mem_arena *arena, u64 size, b32 non_zero) -{ - u64 pos_aligned = ALIGN_UP_POW2(arena->pos, ARENA_ALIGN); - u64 new_pos = pos_aligned + size; - - if (new_pos > arena->capacity) - { - assert(0); - return NULL; - } - - arena->pos = new_pos; - // cast to u8 to be able to do pointer arithemtic - u8 *out = (u8 *)arena + pos_aligned; - - if (!non_zero) - { - memset(out, 0, size); - } - return out; -} -void -arena_pop(mem_arena *arena, u64 size) -{ - size = MIN(size, arena->pos - ARENA_BASE_POS); - arena->pos -= size; -} - -void -arena_pop_to(mem_arena *arena, u64 pos) -{ - u64 size = pos < arena->pos ? arena->pos - pos : 0; - arena_pop(arena, size); -} - -void -arena_clear(mem_arena *arena) -{ - arena_pop_to(arena, ARENA_BASE_POS); -} - -#define PUSH_STRUCT(arena, T) (T *)arena_push((arena), sizeof(T), 0) -#define PUSH_STRUCT_NZ(arena, T) (T *)arena_push((arena), sizeof(T), 1) -#define PUSH_ARRAY(arena, T, n) (T *)arena_push((arena), sizeof(T) * (n), 0) -#define PUSH_ARRAY_NZ(arena, T, n) (T *)arena_push((arena), sizeof(T) * (n), 1) |