write conf scripts

The configuration logic was violating alignment rules, and will be
rewritten.

.clang-format

@@ -1,5 +1,6 @@
-# Copyright (c) 2025 Quinn
-# Licensed under the MIT Licence. See LICENSE for details
+# Copyright (c) 2025 Quinn.
+# This is a file from the project MCA-Selector-Lite and is
+# licensed under the MIT Licence. See included LICENSE file for details.
 #
 ---
 # ---------------------------
@@ -34,9 +35,9 @@ AlignConsecutiveShortCaseStatements:
 # short constructs on a single line
 # ---------------------------
 AllowShortBlocksOnASingleLine:       Always
-AllowShortFunctionsOnASingleLine:    All
+AllowShortFunctionsOnASingleLine:    None
 AllowShortLambdasOnASingleLine:      All
-AllowShortIfStatementsOnASingleLine: AllIfsAndElse
+AllowShortIfStatementsOnASingleLine: Never
 AllowShortCaseLabelsOnASingleLine:   true
 AllowShortEnumsOnASingleLine:        true
 AllowShortLoopsOnASingleLine:        true
@@ -61,7 +62,7 @@ BraceWrapping:
   AfterCaseLabel:        false
   AfterClass:            false
   AfterEnum:             false
-  AfterFunction:         false
+  AfterFunction:         true
   AfterNamespace:        false
   AfterObjCDeclaration:  false
   AfterStruct:           false

.editorconfig

@@ -1,5 +1,6 @@
-# Copyright (c) 2025 Quinn
-# Licensed under the MIT Licence. See LICENSE for details
+# Copyright (c) 2025 Quinn.
+# This is a file from the project MCA-Selector-Lite and is
+# licensed under the MIT Licence. See included LICENSE file for details.
 
 [*]
 charset = utf-8

.github/workflows/ci.yaml

@@ -54,4 +54,4 @@ jobs:
         if: steps.cache-deps.outputs.cache-hit != 'true' && runner.os == 'Windows'
 
       - run: make -j all
-      - run: make -j test
+      - run: make -j check

.gitignore

@@ -1,5 +1,6 @@
-# Copyright (c) 2025 Quinn
-# Licensed under the MIT Licence. See LICENSE for details
+# Copyright (c) 2025 Quinn.
+# This is a file from the project MCA-Selector-Lite and is
+# licensed under the MIT Licence. See included LICENSE file for details.
 
 # ignore all dotfiles by default
 .*

.gitmodules

@@ -1,6 +1,11 @@
+# Copyright (c) 2025 Quinn.
+# This is a file from the project MCA-Selector-Lite and is
+# licensed under the MIT Licence. See included LICENSE file for details.
+
 [submodule "lib/glfw"]
 	path = lib/glfw
 	url = https://github.com/glfw/glfw
+
 [submodule "lib/libarchive"]
 	path = lib/libarchive
 	url = https://github.com/libarchive/libarchive

Makefile

@@ -1,69 +1,71 @@
-# Copyright (c) 2025 Quinn
-# Licensed under the MIT Licence. See LICENSE for details
+# Copyright (c) 2025 Quinn.
+# This is a file from the project MCA-Selector-Lite and is
+# licensed under the MIT Licence. See included LICENSE file for details.
+
+SHELL = /bin/sh
+.SUFFIXES:
 
-# build configuration, information about the current build process
 NAME    = mcaselector-lite
-DEBUG   ?= 0
-CC      ?= cc
-CMAKE   ?= cmake -G 'Unix Makefiles'
 
-# setting default compilation flags
-# some of which are able to be overwritten, others are always appended
-CPPFLAGS ?=
-CFLAGS   ?= -O2 -Wall -Wextra -Wpedantic -Wno-pointer-arith
+CC     ?= cc
+RM     ?= rm -vf
+CMAKE  ?= cmake -G 'Unix Makefiles'
+
+CPPFLAGS ?= -DNDEBUG
+CFLAGS   ?= -O2
 LDFLAGS  ?= -flto
-CPPFLAGS += -DGLFW_INCLUDE_NONE
-CFLAGS   += -std=gnu99
 
-# add a few extra flags depending on whether
-# we're debugging or not
-ifeq ($(DEBUG),0)
-CPPFLAGS += -DNDEBUG
-else
-CFLAGS   += -fsanitize=address -ftrapv -g
-LDFLAGS  += -fsanitize=address -ftrapv
-endif
+CPPFLAGS += -DGLFW_INCLUDE_NONE
 CPPFLAGS += -Iinclude -Ilib/glad/include -Ilib/glfw/include -Ilib/libarchive/libarchive
 LDFLAGS  += -Llib/obj/glfw/src -Llib/obj/libarchive/libarchive
 LDLIBS   += -lglfw3 -larchive -lm
+CFLAGS   += -std=gnu99 -g -MMD -MP
+CFLAGS   += -Wall -Wextra -Wpedantic -Wno-pointer-arith
 
 # detect if we're compiling on Windows, meaning
 # a lot of things considered "standard" are unavailable.
 ifeq ($(OS),Windows_NT)
-ISWIN = 1
-NAME  := $(NAME).exe
+NAME   := $(NAME).exe
 LDLIBS += -lopengl32 -lgdi32
-$(warning Detected Windows_NT, please refer to the documentation if you encounter issues.)
+$(warning Detected  Windows_NT, please refer to the documentation if you encounter issues.)
+# in the case of Mac OS X
 else ifeq ($(shell uname -s),Darwin)
-LDLIBS += -framework Cocoa -framework OpenGL -framework IOKit
+LDLIBS += -framework Coca -framework OpenGL -framework IOKit
+$(info Mac OS X detected.)
 endif
 
-# TODO: find a better method to find all source files
 # find all the source files using wildcards
+# TODO: find a better method to find all source files
 # NOTE: MS-DOS and MS-Windows uses backslash `\`, this might break.
 RES  := $(wildcard res/*)
-SRC  := $(wildcard src/*.c src/*/*.c src/*/*/*.c src/*/*/*/*.c src/*/*/*/*/*.c src/*/*/*/*/*/*.c src/*/*/*/*/*/*/*.c src/*/*/*/*/*/*/*/*.c) lib/glad/src/gl.c
-OBJ  := $(SRC:%.c=obj/%.o) $(RES:%=obj/%.o)
+SRC  := $(wildcard src/*.c src/*/*.c src/*/*/*.c src/*/*/*/*.c src/*/*/*/*/*.c src/*/*/*/*/*/*.c src/*/*/*/*/*/*/*.c src/*/*/*/*/*/*/*/*.c)
+SRC  += lib/glad/src/gl.c
 TSRC := $(wildcard test/*.c test/*/*.c test/*/*/*.c test/*/*/*/*.c test/*/*/*/*/*.c test/*/*/*/*/*/*.c test/*/*/*/*/*/*/*.c test/*/*/*/*/*/*/*/*.c)
-TOBJ := $(TSRC:%.c=obj/%.o)
+
+OBJ   := $(RES:%=obj/%.o) $(SRC:%.c=obj/%.o)
+TOBJ  := $(TSRC:%.c=obj/%.o)
 
 # TODO: potentially automatically detect whether we should compile libs, or if we can just go ahead.
-.PHONY: all libs test clean clean-libs
+
+.PHONY: all libs check clean clean-libs
 all: bin/$(NAME)
 libs: lib/obj/glfw/ lib/obj/libarchive/
-test: bin/TEST_$(NAME); bin/TEST_$(NAME)
-clean:
-ifneq ($(wildcard bin/),)
-	rm -vr bin/
-endif
-ifneq ($(wildcard obj/),)
-	rm -vr obj/
-endif
-clean-libs:
-ifneq ($(wildcard lib/obj/),)
-	rm -vr lib/obj/
+check: bin/TEST_$(NAME); ./$<
+clean:;      @-$(RM) -r bin/ obj/
+clean-libs:; @-$(RM) -r lib/obj/
+
+.PHONY:
+install: all
+ifneq ($(OS),Windows_NT)
+	# TODO: POSIX-compliant installation
+else
+	# TODO: WINDOWS_NT installation
 endif
 
+.PHONY:
+install-strip: install
+	# TODO: strip the produced installation
+
 # compiles the libraries using cmake
 lib/obj/%/: lib/%/
 	$(CMAKE) -S $< -B $@
@@ -86,17 +88,18 @@ obj/res/%.c: res/%
 	@mkdir -p $(@D)
 	@cd res/ && xxd -i $(patsubst res/%,%,$<) $(abspath $@)
 
-obj/res/%.o: obj/res/%.c
+obj/%.o: %.c
 	$(info [CC]	$@)
 	@mkdir -p $(@D)
 	@$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
 
-obj/%.o: %.c
+obj/%.o: obj/%.c
 	$(info [CC]	$@)
 	@mkdir -p $(@D)
-	@$(CC) -c $(CPPFLAGS) $(CFLAGS) -MMD -MP -o $@ $<
+	@$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
 
 # Include the generated dependency files.
 # Which creates rules for all dependencies,
 # as a result updating an .o file when a .h is updated.
 -include $(OBJ:%.o=%.d)
+-include $(TOBJ:%.o=%.d)

src/dat/mcx.c

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "mcx.h"
 
 #include <archive.h>
@@ -26,7 +27,8 @@ enum mcx_compression {
 };
 
 /* first 4 bytes is an i32 indicating remaining bytes, the following byte defines the compression scheme */
-static int mcx_loadchunk(const u8 *restrict buf, const i32 *restrict table, int idx) {
+static int mcx_loadchunk(const u8 *restrict buf, const i32 *restrict table, int idx)
+{
 	const u8 *chunk = buf + (be32toh(table[idx]) >> 8) * SECTOR;
 
 	i32 len;
@@ -64,7 +66,8 @@ static int mcx_loadchunk(const u8 *restrict buf, const i32 *restrict table, int
 			error("failed to decompress %i bytes of compression type %i", len, *chunk);
 			return 1;
 		}
-		if (size == 0) break;
+		if (size == 0)
+			break;
 		// TODO: handle data
 	}
 
@@ -72,9 +75,10 @@ static int mcx_loadchunk(const u8 *restrict buf, const i32 *restrict table, int
 }
 
 /* Moves chunks `src_s` to `src_e` (inclusive) from `src`, back onto `dst`. */
-static void mvchunks(u8 *dst, u8 *src, u32 *restrict table, int src_s, int src_e) {
+static void mvchunks(u8 *dst, u8 *src, u32 *restrict table, int src_s, int src_e)
+{
 	assert(src > dst);
-	usize len = src - dst; // acquire the amount of bytes that we shall move
+	uintptr len = src - dst; // acquire the amount of bytes that we shall move
 	assert(!(len % SECTOR));
 
 	// count how many bytes we need to move, whilst updating location data
@@ -89,7 +93,8 @@ static void mvchunks(u8 *dst, u8 *src, u32 *restrict table, int src_s, int src_e
 /* Deletes chunk `sidx` by moving chunks up to `eidx` back over `sidx` in `buf`.
  * `rmb` is an optional additional offset that can be applied, and signifies bytes already removed.
  * Returns the bytes removed by this function. */
-static usize delchunk(u8 *restrict buf, u32 *restrict table, usize rmb, int sidx, int eidx) {
+static usize delchunk(u8 *restrict buf, u32 *restrict table, usize rmb, int sidx, int eidx)
+{
 	// load the table data
 	usize slen, bidx, blen;
 	slen = be32toh(table[sidx]) & 0xFF;          // acquire the sector length of the chunk
@@ -110,7 +115,8 @@ static usize delchunk(u8 *restrict buf, u32 *restrict table, usize rmb, int sidx
 /* Call `delchunk` with the parameters and some defaults. Ensuring the table is copied correctly as well.
  * This is done instead of `delchunk` being globally linked, because
  * `delchunk` requests more specific parameters, which is confusing outside this module. */
-usize mcx_delchunk(u8 *restrict buf, int chunk) {
+usize mcx_delchunk(u8 *restrict buf, int chunk)
+{
 	u32 table[TABLE];
 	memcpy(table, buf, sizeof(table));
 	usize res = delchunk(buf, table, 0, chunk, CHUNKS);
@@ -118,7 +124,8 @@ usize mcx_delchunk(u8 *restrict buf, int chunk) {
 	return res;
 }
 
-usize mcx_delchunk_range(u8 *restrict buf, int start, int end) {
+usize mcx_delchunk_range(u8 *restrict buf, int start, int end)
+{
 	assert(start < end && end < CHUNKS);
 	u32 table[TABLE];
 	memcpy(table, buf, sizeof(table));
@@ -141,7 +148,8 @@ usize mcx_delchunk_range(u8 *restrict buf, int start, int end) {
 }
 
 /* comparer function for to be inputted into `qsort` to compare two */
-static int cmp_chunkids(const void *restrict x, const void *restrict y) {
+static int cmp_chunkids(const void *restrict x, const void *restrict y)
+{
 	u16 x2 = *(u16 *)x;
 	u16 y2 = *(u16 *)y;
 	return (x2 > y2) - (x2 < y2);
@@ -149,7 +157,8 @@ static int cmp_chunkids(const void *restrict x, const void *restrict y) {
 
 /* Sorts the chunks marked for deletion from smallest to greatest index.
  * Then performs the deletion in this order. Making sure to only update the chunks up to the next. */
-usize mcx_delchunk_bulk(u8 *restrict buf, const u16 *restrict chunks, int chunkc) {
+usize mcx_delchunk_bulk(u8 *restrict buf, const u16 *restrict chunks, int chunkc)
+{
 	// ensure the chunks ids we're working on are sorted from least to greatest
 	u16 chunkids[chunkc + 1];
 	memcpy(chunkids, chunks, chunkc);
@@ -169,7 +178,8 @@ usize mcx_delchunk_bulk(u8 *restrict buf, const u16 *restrict chunks, int chunkc
 
 /* Sum together the 4th byte in each location integer to compute the sector size of all chunks.
  * Multiplying by `SECTOR`, and adding the size of the table itself. */
-usize mcx_calcsize(const u8 *restrict buf) {
+usize mcx_calcsize(const u8 *restrict buf)
+{
 	usize size = 0;
 	for (uint i = 0; i < CHUNKS; i++)
 		size += *(buf + (i * 4) + 3);

src/dat/mcx.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #include <stdlib.h>

src/dat/nbt.c

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "nbt.h"
 
 #include <assert.h>
@@ -13,21 +14,24 @@
 #define MAX_DEPTH 512
 
 /* Extracts a big endian 16 bit integer from address `buf`, converts it to host byte size if needed and returns. */
-static inline u16 buftoh16(const void *restrict buf) {
+static inline u16 buftoh16(const void *restrict buf)
+{
 	u16 i;
 	memcpy(&i, buf, sizeof(i));
 	return be16toh(i);
 }
 
 /* Extracts a big endian 32 bit integer from address `buf`, converts it to host byte size if needed and returns. */
-static inline u32 buftoh32(const void *restrict buf) {
+static inline u32 buftoh32(const void *restrict buf)
+{
 	u32 i;
 	memcpy(&i, buf, sizeof(i));
 	return be32toh(i);
 }
 
 /* Extracts a big endian 64 bit integer from address `buf`, converts it to host byte size if needed and returns. */
-static inline u64 buftoh64(const void *restrict buf) {
+static inline u64 buftoh64(const void *restrict buf)
+{
 	u64 i;
 	memcpy(&i, buf, sizeof(i));
 	return be64toh(i);
@@ -36,7 +40,8 @@ static inline u64 buftoh64(const void *restrict buf) {
 /* Processes the incoming array data in `buf`. Which contains `nmem` items of `size`.
  * The data shall be converted to little-endian on little-endian systems
  * Outputs the allocated data to `out`, returns where the next pointer would be. */
-static const u8 *procarr(const u8 *restrict buf, i32 nmemb, uint size, struct nbt_array *restrict out) {
+static const u8 *procarr(const u8 *restrict buf, i32 nmemb, uint size, struct nbt_array *restrict out)
+{
 	usize len = nmemb * size;
 	*out      = (struct nbt_array){
                 out->nmemb = nmemb,
@@ -51,7 +56,8 @@ static const u8 *procarr(const u8 *restrict buf, i32 nmemb, uint size, struct nb
 	/* Only include this code for little-endian systems. Since only they require this logic.
 	 * Producing optimised code for other platforms. */
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-	if (size == 1) return buf;
+	if (size == 1)
+		return buf;
 	i32 i = 0;
 	while (i < nmemb) {
 		switch (size) {
@@ -67,7 +73,8 @@ static const u8 *procarr(const u8 *restrict buf, i32 nmemb, uint size, struct nb
 }
 
 /* calls `procarr` for the simple types available. */
-static const u8 *proclist(const u8 *restrict buf, struct nbt_array *restrict out) {
+static const u8 *proclist(const u8 *restrict buf, struct nbt_array *restrict out)
+{
 	uint size;
 
 	switch (*(u8 *)buf) {
@@ -88,7 +95,8 @@ static const u8 *proclist(const u8 *restrict buf, struct nbt_array *restrict out
 	return procarr(buf, len, size, out);
 }
 
-const u8 *nbt_proctag(const u8 *restrict buf, u16 slen, void *restrict out) {
+const u8 *nbt_proctag(const u8 *restrict buf, u16 slen, void *restrict out)
+{
 	const u8 *ptr, *tmp;
 	ptr = buf + 3 + slen;
 
@@ -123,7 +131,8 @@ const u8 *nbt_proctag(const u8 *restrict buf, u16 slen, void *restrict out) {
  * `ptr` is assumed to be the start of the `NBT_LIST` data, e.i. The list's ID, followed by the list's length.
  * If `ID` is `NBT_I8`, `NBT_I16`, `NBT_I32`, `NBT_I64`, `NBT_F32`, or `NBT_F64`, the entire list length is computed and returned.
  * For other types this won't be possible, and thus will add `1` to `dpt`, and write the list data to `lens` and `tags` at this new `dpt`. */
-static const u8 *nexttag_list(const u8 *restrict ptr, uint *restrict const dpt, i32 *restrict const lens, u8 *restrict const tags) {
+static const u8 *nexttag_list(const u8 *restrict ptr, uint *restrict const dpt, i32 *restrict const lens, u8 *restrict const tags)
+{
 	const u8 *tag = ptr;
 	ptr++;
 	switch (*tag) {
@@ -151,7 +160,8 @@ static const u8 *nexttag_list(const u8 *restrict ptr, uint *restrict const dpt,
  * - `lens` shall contain `MAX_DEPTH` of items representing the list length, if the current item is non-zero we shall assume we're in a list.
  *     Where the value is decremented until we reach `0`.
  * - `tags` shall contain `MAX_DEPTH` of items representing the list's stored type. */
-static const u8 *nexttag(const u8 *restrict tag, uint *restrict const dpt, i32 *restrict const lens, u8 *restrict const tags) {
+static const u8 *nexttag(const u8 *restrict tag, uint *restrict const dpt, i32 *restrict const lens, u8 *restrict const tags)
+{
 	u8        type;
 	const u8 *ptr = tag;
 	if (lens[*dpt]) {
@@ -193,7 +203,8 @@ static const u8 *nexttag(const u8 *restrict tag, uint *restrict const dpt, i32 *
  * - compound:list:int32
  * - string
  */
-const u8 *nbt_nexttag(const u8 *restrict buf) {
+const u8 *nbt_nexttag(const u8 *restrict buf)
+{
 	const u8 *tag;
 	u8        tags[MAX_DEPTH] = {0};
 	i32       lens[MAX_DEPTH] = {0};

src/dat/nbt.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #include <assert.h>

src/io/conf.c

@@ -0,0 +1,35 @@
+#include "conf.h"
+
+#include <string.h>
+
+#include "../types.h"
+#include "../util/atrb.h"
+
+/* Matches s1 with s2, returns a pointer to s1 where the match stopped. */
+static const char *strmat(const char *s1, const char *s2) PURE NONNULL((1, 2));
+static const char *strmat(const char *s1, const char *s2)
+{
+	while ((*s1 == *s2) & !!*s1)
+		s1++, s2++;
+	return s1;
+}
+
+int conf_getkeyval(const char *restrict buf, const char *const restrict *restrict keys, int klen, const char *restrict *restrict out)
+{
+	const char *tmp = NULL;
+
+	ASSUME((klen > 0));
+	int i = 0;
+	for (; i < klen && !tmp; i++) {
+		tmp = strmat(buf, keys[i]);
+		tmp = keys[i][buf - tmp] ? tmp : 0;
+	}
+
+	if (!tmp || *tmp != '=')
+		return -1;
+
+	*out = tmp + 1;
+	return i;
+}
+
+int conf_val(int);

src/io/conf.h

@@ -0,0 +1,12 @@
+#pragma once
+#include "../types.h"
+#include "../util/atrb.h"
+
+/* Gets the key and value, if present. Writes the pointer for the value to `out`.
+ * Returns the key index, or <0 upon failure. */
+int conf_getkeyval(const char *restrict buf, const char *const restrict *restrict keys, int klen,
+	const char *restrict *restrict out) NONNULL((1, 2, 4));
+
+/* Processes the value of `type` in `val`. Outputs to `out`.
+ * Returns non-zero on failure. */
+int conf_procval(u8 type, const char *restrict val, void *restrict out) NONNULL((2, 3));

src/io/render.h

@@ -1,10 +0,0 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
-#pragma once
-
-#include <GLFW/glfw3.h>
-#include <glad/gl.h>
-
-int  render_init(void);
-void render_update(GLFWwindow *win);
-void render_free(void);

src/io/render/mapcolour.c

@@ -1,70 +0,0 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
-#include "mapcolour.h"
-
-#include "../../util/vec.h"
-
-u8vec4 map_colours[MAP_COLOUR_COUNT] = {
-	{0,   0,   0,   0  },
-	{127, 178, 56,  255},
-	{247, 233, 163, 255},
-	{199, 199, 199, 255},
-	{255, 0,   0,   255},
-	{160, 160, 255, 255},
-	{167, 167, 167, 255},
-	{0,   124, 0,   255},
-	{255, 255, 255, 255},
-	{164, 168, 184, 255},
-	{151, 109, 77,  255},
-	{112, 112, 112, 255},
-	{64,  64,  255, 255},
-	{143, 119, 72,  255},
-	{255, 252, 245, 255},
-	{216, 127, 51,  255},
-	{178, 76,  216, 255},
-	{102, 153, 216, 255},
-	{229, 229, 51,  255},
-	{127, 204, 25,  255},
-	{242, 127, 165, 255},
-	{76,  76,  76,  255},
-	{153, 153, 153, 255},
-	{76,  127, 153, 255},
-	{127, 63,  178, 255},
-	{51,  76,  178, 255},
-	{102, 76,  51,  255},
-	{102, 127, 51,  255},
-	{153, 51,  51,  255},
-	{25,  25,  25,  255},
-	{250, 238, 77,  255},
-	{92,  219, 213, 255},
-	{74,  128, 255, 255},
-	{0,   217, 58,  255},
-	{129, 86,  49,  255},
-	{112, 2,   0,   255},
-	{209, 177, 161, 255},
-	{159, 82,  36,  255},
-	{149, 87,  108, 255},
-	{112, 108, 138, 255},
-	{186, 133, 36,  255},
-	{103, 117, 53,  255},
-	{160, 77,  78,  255},
-	{57,  41,  35,  255},
-	{135, 107, 98,  255},
-	{87,  92,  92,  255},
-	{122, 73,  88,  255},
-	{76,  62,  92,  255},
-	{76,  50,  35,  255},
-	{76,  82,  42,  255},
-	{142, 60,  46,  255},
-	{37,  22,  16,  255},
-	{189, 48,  49,  255},
-	{148, 63,  97,  255},
-	{92,  25,  29,  255},
-	{22,  126, 134, 255},
-	{58,  142, 140, 255},
-	{86,  44,  62,  255},
-	{20,  180, 133, 255},
-	{100, 100, 100, 255},
-	{216, 175, 147, 255},
-	{127, 167, 150, 255},
-};

src/io/render/mapcolour.h

@@ -1,76 +0,0 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
-#pragma once
-
-#include "../../util/vec.h"
-
-enum map_colour_id {
-	MAP_COLOUR_NONE,
-	MAP_COLOUR_GRASS,
-	MAP_COLOUR_SAND,
-	MAP_COLOUR_WOOL,
-	MAP_COLOUR_FIRE,
-	MAP_COLOUR_ICE,
-	MAP_COLOUR_METAL,
-	MAP_COLOUR_PLANT,
-	MAP_COLOUR_SNOW,
-	MAP_COLOUR_CLAY,
-	MAP_COLOUR_DIRT,
-	MAP_COLOUR_STONE,
-	MAP_COLOUR_WATER,
-	MAP_COLOUR_WOOD,
-	MAP_COLOUR_QUARTZ,
-	MAP_COLOUR_ORANGE,
-	MAP_COLOUR_MAGENTA,
-	MAP_COLOUR_LIGHT_BLUE,
-	MAP_COLOUR_YELLOW,
-	MAP_COLOUR_LIGHT_GREEN,
-	MAP_COLOUR_PINK,
-	MAP_COLOUR_GREY,
-	MAP_COLOUR_LIGHT_GREY,
-	MAP_COLOUR_CYAN,
-	MAP_COLOUR_PURPLE,
-	MAP_COLOUR_BLUE,
-	MAP_COLOUR_BROWN,
-	MAP_COLOUR_GREEN,
-	MAP_COLOUR_RED,
-	MAP_COLOUR_BLACK,
-	MAP_COLOUR_GOLD,
-	MAP_COLOUR_DIAMOND,
-	MAP_COLOUR_LAPIS,
-	MAP_COLOUR_EMERALD,
-	MAP_COLOUR_PODZOL,
-	MAP_COLOUR_NETHER,
-	MAP_COLOUR_TERRACOTTA_WHITE,
-	MAP_COLOUR_TERRACOTTA_ORANGE,
-	MAP_COLOUR_TERRACOTTA_MAGENTA,
-	MAP_COLOUR_TERRACOTTA_LIGHT_BLUE,
-	MAP_COLOUR_TERRACOTTA_YELLOW,
-	MAP_COLOUR_TERRACOTTA_LIGHT_GREEN,
-	MAP_COLOUR_TERRACOTTA_PINK,
-	MAP_COLOUR_TERRACOTTA_GREY,
-	MAP_COLOUR_TERRACOTTA_LIGHT_GREY,
-	MAP_COLOUR_TERRACOTTA_CYAN,
-	MAP_COLOUR_TERRACOTTA_PURPLE,
-	MAP_COLOUR_TERRACOTTA_BLUE,
-	MAP_COLOUR_TERRACOTTA_BROWN,
-	MAP_COLOUR_TERRACOTTA_GREEN,
-	MAP_COLOUR_TERRACOTTA_RED,
-	MAP_COLOUR_TERRACOTTA_BLACK,
-	MAP_COLOUR_CRIMSON_NYLIUM,
-	MAP_COLOUR_CRIMSON_STEM,
-	MAP_COLOUR_CRIMSON_HYPHAE,
-	MAP_COLOUR_WARPED_NYLIUM,
-	MAP_COLOUR_WARPED_STEM,
-	MAP_COLOUR_WARPED_HYPHAE,
-	MAP_COLOUR_WARPED_WART_BLOCK,
-	MAP_COLOUR_DEEPSLATE,
-	MAP_COLOUR_RAW_IRON,
-	MAP_COLOUR_GLOW_LICHEN,
-
-	// contains count, leave last
-	MAP_COLOUR_COUNT,
-};
-
-/* contains the colours of the map on their' respective index - 1. (NONE should be handled separately) */
-extern u8vec4 map_colours[MAP_COLOUR_COUNT];

src/io/shader.h

@@ -1,10 +0,0 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
-#pragma once
-
-#include <glad/gl.h>
-#include <stddef.h>
-#include <stdint.h>
-
-/* Initialises the (embedded) shaders onto `pipe` */
-int shader_init(GLuint pipe);

src/io/win/input.c

@@ -1,10 +1,12 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "input.h"
 
 #include <GLFW/glfw3.h>
 
-void input_callback(GLFWwindow *win, int key, int scancode, int action, int mods) {
+void input_callback(GLFWwindow *win, int key, int scancode, int action, int mods)
+{
 	(void)win, (void)key, (void)scancode, (void)action, (void)mods; // make the compiler shut up as this is fine
 #ifndef NDEBUG
 	if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)

src/io/win/input.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #include <GLFW/glfw3.h>

src/io/win/render.c

@@ -1,13 +1,14 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "render.h"
 
 #include <GLFW/glfw3.h>
 #include <glad/gl.h>
 #include <stdint.h>
 
-#include "../types.h"
-#include "../util/error.h"
+#include "../../types.h"
+#include "../../util/error.h"
 #include "shader.h"
 
 #define VERTC 3
@@ -17,7 +18,8 @@ static GLuint vao;        // vertex array object
 static GLuint screen_loc; // location to where OpenGL sends to the shaders of the screen dimensions
 static int    win_w, win_h;
 
-static void screen_resize(int w, int h) {
+static void screen_resize(int w, int h)
+{
 	i32 verts[VERTC][4] = {
 		{0, 0,  w, 20    },
 		{0, 20, w, h - 40},
@@ -31,7 +33,8 @@ static void screen_resize(int w, int h) {
 	win_h = h;
 }
 
-int render_init(void) {
+int render_init(void)
+{
 	pipe = glCreateProgram();
 	shader_init(pipe);       // initialise and include the shaders
 	glLinkProgram(pipe);     // link the application
@@ -63,7 +66,8 @@ int render_init(void) {
 	return 0;
 }
 
-void render_update(GLFWwindow *win) {
+void render_update(GLFWwindow *win)
+{
 	glDisable(GL_DEPTH_TEST);
 	glDisable(GL_CULL_FACE);
 
@@ -80,7 +84,8 @@ void render_update(GLFWwindow *win) {
 	glDrawArrays(GL_POINTS, 0, VERTC);
 }
 
-void render_free(void) {
+void render_free(void)
+{
 	glDeleteVertexArrays(1, &vao);
 	glDeleteBuffers(1, &vbo);
 	glDeleteProgram(pipe);

src/io/win/render.h

@@ -0,0 +1,11 @@
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
+#pragma once
+
+#include <GLFW/glfw3.h>
+#include <glad/gl.h>
+
+int  render_init(void);
+void render_update(GLFWwindow *win);
+void render_free(void);

src/io/win/shader.c

@@ -1,12 +1,13 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "shader.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 
-#include "../util/error.h"
+#include "../../util/error.h"
 
 
 // NOTE: we are currently just sucking up the memory costs for ease. We can either include the source files themselves. Or use compression, where I'd prefer the latter for ease of installation.
@@ -19,7 +20,8 @@ extern const uint sh_geom_glsl_len;
 
 /* Compiles a shader of `type` from `src` with `len` bytes.
  * Returns the integer for the shader. */
-static GLuint shader_compile(GLenum type, const char *src, usize len) {
+static GLuint shader_compile(GLenum type, const char *src, usize len)
+{
 	int    ilen   = len;
 	GLuint shader = glCreateShader(type);
 	glShaderSource(shader, 1, &src, &ilen);
@@ -37,7 +39,8 @@ static GLuint shader_compile(GLenum type, const char *src, usize len) {
 	return shader;
 }
 
-int shader_init(GLuint pipe) {
+int shader_init(GLuint pipe)
+{
 	GLuint vs = shader_compile(GL_VERTEX_SHADER, sh_vert_glsl, sh_vert_glsl_len);
 	GLuint fs = shader_compile(GL_FRAGMENT_SHADER, sh_frag_glsl, sh_frag_glsl_len);
 	GLuint gs = shader_compile(GL_GEOMETRY_SHADER, sh_geom_glsl, sh_geom_glsl_len);

src/io/win/shader.h

@@ -0,0 +1,11 @@
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
+#pragma once
+
+#include <glad/gl.h>
+#include <stddef.h>
+#include <stdint.h>
+
+/* Initialises the (embedded) shaders onto `pipe` */
+int shader_init(GLuint pipe);

src/io/win/window.c

@@ -1,13 +1,14 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "window.h"
 
 #include <GLFW/glfw3.h>
 #include <assert.h>
 #include <glad/gl.h>
 
-#include "../types.h"
-#include "../util/error.h"
+#include "../../types.h"
+#include "../../util/error.h"
 #include "input.h"
 #include "render.h"
 
@@ -15,7 +16,8 @@ static struct GLFWwindow *win = NULL;
 
 /* Initialises the GLFW window with some defaults,
  * then proceed to activate OpenGL on it. */
-int window_init(void) {
+int window_init(void)
+{
 	// initialise the window
 #ifndef NDEBUG
 	glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
@@ -32,10 +34,12 @@ int window_init(void) {
 	/* NOTE: on my system; x86_64, GTX 1650 580.82.09-2, X11, i3, this causes one direct, 2 indirect memory leaks.
 	 * This is not my fault, and can safely be ignored. */
 	win = glfwCreateWindow(640, 480, "MCA-Selector lite", NULL, NULL);
-	if (!win) return 1;
+	if (!win)
+		return 1;
 
 	glfwMakeContextCurrent(win);
-	if (!gladLoadGL(glfwGetProcAddress)) return 1;
+	if (!gladLoadGL(glfwGetProcAddress))
+		return 1;
 	glfwSwapInterval(1); // wait 1 screen update for a redraw a.k.a. "vsync". (not really applicable in this case but eh)
 
 	glfwSetKeyCallback(win, input_callback);
@@ -53,7 +57,8 @@ int window_init(void) {
 	return 0;
 }
 
-void window_loop(void) {
+void window_loop(void)
+{
 	assert(win);
 	render_init();
 	while (!glfwWindowShouldClose(win)) {
@@ -65,12 +70,14 @@ void window_loop(void) {
 	}
 }
 
-void window_close(void) {
+void window_close(void)
+{
 	assert(win);
 	glfwSetWindowShouldClose(win, 1);
 }
 
-void window_free(void) {
+void window_free(void)
+{
 	if (!win) {
 		debug("window has already been freed.");
 		return;

src/io/win/window.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 /* Set up the window, enabling OpenGL, and

src/main.c

@@ -1,19 +1,22 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include <GLFW/glfw3.h>
 #include <glad/gl.h>
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "io/window.h"
+#include "io/win/window.h"
 #include "util/error.h"
 
 /* reroutes GLFW errors to our logging system. */
-static void error_callback(int err, const char *const msg) {
+static void error_callback(int err, const char *const msg)
+{
 	error("glfw returned (%i); \"%s\"", err, msg);
 }
 
-static void quit(void) {
+static void quit(void)
+{
 	window_free();
 
 	/* terminates GLFW; destroying any
@@ -23,7 +26,8 @@ static void quit(void) {
 
 
 /* Entry-point of the application. */
-int main(int argc, char **argv) {
+int main(int argc, char **argv)
+{
 	(void)argc, (void)argv;
 	printf("debug: [DBG], info: [INF], warning: [WAR], error: [ERR], fatal: [FAT]\n");
 	atexit(quit);

src/types.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 typedef signed long long int llong;
@@ -19,6 +20,14 @@ typedef __SIZE_TYPE__        usize;
 typedef __INTPTR_TYPE__      intptr;
 typedef __UINTPTR_TYPE__     uintptr;
 
+#if __SIZEOF_SIZE_T__ == __SIZEOF_LONG_LONG__
+typedef llong ssize;
+#elif __SIZEOF_SIZE_T__ == __SIZEOF_LONG__
+typedef long ssize;
+#elif __SIZEOF_SIZE_T__ == __SIZEOF_INT__
+typedef int ssize;
+#endif
+
 #if __SIZEOF_FLOAT__ == 4
 typedef float f32;
 #endif

src/util/atrb.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #if defined(__GNUC__)
@@ -56,4 +57,8 @@
 #else
 #define NONNULL(args)
 #endif
+
+#if __has_attribute(__assume__)
+#define ASSUME(args) __attribute__((__assume__ args))
+#endif
 #endif

src/util/compat/io.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #if defined __unix__
@@ -33,14 +34,16 @@ static inline int faccess(const char *restrict fname, int perms);
 #define PATH_SEP     '/' // contains the path separator as a character. Yes it is extremely annoying that this has to exist.
 #define PATH_SEP_STR "/" // contains the path separator as a string, useful for concatenation. Yes it is extremely annoying that this has to exist.
 
-int faccess(char const *restrict fname, int perms) {
+int faccess(char const *restrict fname, int perms)
+{
 	return access(fname, perms);
 }
 #elif defined(_WIN32)
 #define PATH_SEP     '\\' // contains the path separator as a character. Yes it is extremely annoying that this has to exist.
 #define PATH_SEP_STR "\\" // contains the path separator as a string, useful for concatenation. Yes it is extremely annoying that this has to exist.
 
-int faccess(char const *restrict fname, int perms) {
+int faccess(char const *restrict fname, int perms)
+{
 	return _access(fname, perms);
 }
 #else

src/util/compat/os.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #if defined(__unix__)

src/util/conf.c

@@ -1,180 +0,0 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
-#include "conf.h"
-
-#include <assert.h>
-#include <errno.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "../types.h"
-#include "../util/error.h"
-#include "atrb.h"
-
-int conf_procbuf(const char *restrict buf, char *restrict kout, char *restrict vout, usize len) {
-	bool feq = false; // whether we've found the equal sign
-
-	// data traversal
-	char *pos = kout; // will point to the next point in the buffer, where we'll write data
-
-	// acquire data
-	for (usize i = 0; i < len; i++) {
-		// handling of termination tokens
-		bool brk = false; // whether we broke out of the loop, and are done reading
-		switch (buf[i]) {
-		case '\n':
-		case '\r':
-		case '\0':
-		case '#':
-			brk = true;
-			break;
-		}
-		if (brk) break;
-
-		// everything after `=` is interpreted as a value
-		if (!feq && buf[i] == '=') {
-			feq  = true;
-			*pos = '\0'; // terminate string
-			pos  = vout; // move pointer to start of value data
-			continue;
-		}
-		*pos = buf[i]; // copy over the buffer's data
-		pos++;         // increment the position pointer
-	}
-	// null-terminate what we've got now (yes, there should be enough space for this since \0 isn't stored)
-	// this also ensures the value is valid, even if none is given
-	*pos = '\0';
-
-	// no data if we didn't move from the key position
-	// syntax error if we couldn't find the equal sign
-	return (pos == kout) ? CONF_ENODAT : (!feq ? CONF_ESYNTAX : 0);
-}
-
-struct conf_entry const *conf_matchopt(struct conf_entry const *opts, usize optc, const char *restrict key) {
-	// find a match for the current key
-	usize i = 0;
-	for (; i < optc; i++) {
-		if (strcmp(opts[i].key, key) == 0)
-			return opts + i;
-	}
-	return NULL;
-}
-
-int conf_procval(struct conf_entry const *opt, const char *restrict val) {
-	// parse the data
-	errno = 0;
-	char *end;
-	u8    dat[sizeof(u64)];
-
-	switch (opt->type) {
-	// signed integer data parsing
-	case CONF_I8:
-	case CONF_I16:
-	case CONF_I32:
-	case CONF_I64:
-		*(i64 *)dat = strtoll(val, &end, 10); // for signed integer types
-		break;
-	// unsigned integer data parsing
-	case CONF_U8:
-	case CONF_U16:
-	case CONF_U32:
-	case CONF_U64:
-		*(u64 *)dat = strtoull(val, &end, 10); // for unsigned integer types
-		break;
-
-	// floating-point data parsing
-	case CONF_F32: *(f32 *)dat = strtof(val, &end); break;
-	case CONF_F64: *(f64 *)dat = strtod(val, &end); break;
-
-	// string data parsing
-	case CONF_STR:
-		if (*(char **)opt->out) {
-			free(*(char **)opt->out); // if the same key is given multiple times, free the memory so we don't leak.
-			warn("encountered a dynamic string multiple times, this is sub-optimal.");
-		}
-		*(char **)opt->out = strdup(val);
-		return 0;
-	case CONF_FSTR: {
-		struct conf_fstr *s = opt->out;
-		strncpy(s->out, val, s->len);
-		s->out[s->len - 1] = '\0'; // ensure the string is null-terminated
-		return 0;
-	}
-	default: return CONF_EINVALIDTYPE; // return error code indicating function not implemented
-	}
-
-	if (errno || end == val || *end != '\0') {
-		error("failed to parse '%s' as a numeric value", val);
-		return CONF_EPARSE;
-	}
-
-	switch (opt->type) {
-	case CONF_U8:  *(u8 *)opt->out = *(u64 *)dat >= UINT8_MAX ? UINT8_MAX : *(u64 *)dat; return 0;
-	case CONF_U16: *(u16 *)opt->out = *(u64 *)dat >= UINT16_MAX ? UINT16_MAX : *(u64 *)dat; return 0;
-	case CONF_U32: *(u32 *)opt->out = *(u64 *)dat >= UINT32_MAX ? UINT32_MAX : *(u64 *)dat; return 0;
-	case CONF_U64: *(u64 *)opt->out = *(u64 *)dat >= UINT64_MAX ? UINT64_MAX : *(u64 *)dat; return 0;
-	case CONF_I8:  *(i8 *)opt->out = *(i64 *)dat >= INT8_MAX ? INT8_MAX : (*(i64 *)dat <= INT8_MIN ? INT8_MIN : *(i64 *)dat); return 0;
-	case CONF_I16: *(i16 *)opt->out = *(i64 *)dat >= INT16_MAX ? INT16_MAX : (*(i64 *)dat <= INT16_MIN ? INT16_MIN : *(i64 *)dat); return 0;
-	case CONF_I32: *(i32 *)opt->out = *(i64 *)dat >= INT32_MAX ? INT32_MAX : (*(i64 *)dat <= INT32_MIN ? INT32_MIN : *(i64 *)dat); return 0;
-	case CONF_I64: *(i64 *)opt->out = *(i64 *)dat >= INT64_MAX ? INT64_MAX : (*(i64 *)dat <= INT64_MIN ? INT64_MIN : *(i64 *)dat); return 0;
-	case CONF_F32: *(f32 *)opt->out = *(f32 *)dat; return 0;
-	case CONF_F64: *(f64 *)opt->out = *(f64 *)dat; return 0;
-	default:       fatal("invalid switch state, all cases should be handled already"); // abort; this shouldn't be possible, so I blame the programmer
-	}
-}
-
-/* utility function for conf_getpat to concatenate 3 strings, where we already know the size */
-NONNULL((1, 3))
-static char *conf_getpat_concat(const char *restrict s1, const char *restrict s2, const char *restrict s3, usize s1len, usize s2len, usize s3len) {
-	assert(s2 || (!s2 && !s2len)); // ensuring the programmer passes both s2 and s2len as 0, if they intend to
-	char *buf, *ptr;
-
-	// allocate enough data for all three to the buffer
-	ptr = malloc(s1len + s2len + s3len + 1);
-	if (!ptr) return NULL;
-	buf = ptr; // store the head pointer into buf
-
-	// copy data to the buffer
-	ptr = memcpy(ptr, s1, s1len) + s1len;            // copy s1 data to the buffer
-	if (s2len) ptr = memcpy(ptr, s2, s2len) + s2len; // copy s2 data to the buffer (excluding null-terminator)
-	(void)strcpy(ptr, s3);                           // copy s3 as a string, thus including null-terminator
-
-	// return the buffer
-	return buf;
-}
-
-/* appends str to the config directory string we acquire from environment variables. */
-char *conf_getpat(const char *restrict str) {
-	char *buf = NULL;
-	usize len;
-	usize str_len = strlen(str);
-#if defined(__linux__)
-	buf = getenv("XDG_CONFIG_HOME");
-	if (!buf) {
-		buf = getenv("HOME");
-		if (!buf) return NULL;
-		len = strlen(buf);
-		return conf_getpat_concat(buf, "/.config", str, len, 8, str_len);
-	}
-	return conf_getpat_concat(buf, NULL, str, strlen(buf), 0, str_len);
-#elif defined(__APPLE__)
-	buf = getenv("HOME");
-	if (!buf) return NULL;
-	len = strlen(buf);
-	return conf_getpat_concat(buf, "/Library/Application Support", str, len, 28, str_len);
-#elif defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__)
-	buf = getenv("APPDATA");
-	if (!buf) {
-		buf = getenv("USERPROFILE");
-		if (!buf) return NULL;
-		len = strlen(buf);
-		return conf_getpat_concat(buf, "\\AppData\\Roaming", str, len, 16, str_len);
-	}
-	return conf_getpat_concat(buf, NULL, str, strlen(buf), 0, str_len);
-#else
-#error platform unsupported!
-#endif
-}

src/util/conf.h

@@ -1,70 +0,0 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
-#pragma once
-
-#include <stddef.h>
-#include <stdlib.h>
-
-#include "../types.h"
-#include "atrb.h"
-
-/* error codes */
-enum conf_err {
-	CONF_ENODAT       = -1, // no data was found
-	CONF_ESYNTAX      = 1,  // couldn't extract clear key/val data
-	CONF_ENOMATCH     = 2,  // couldn't find a match for the inputted key
-	CONF_EINVALIDTYPE = 3,  // the type inputted in conf_entry was invalid
-	CONF_EPARSE       = 4,  // something went wrong whilst parsing
-};
-
-/* defines the primitive types available in the config file */
-enum conf_primitive {
-	CONF_STR  = 0,               // expects: `char**`, will output malloc'd data !!must be freed!!
-	CONF_I8   = 1,               // expects: `int8_t*`, will point to a location in memory where an i8 is stored.
-	CONF_I16  = 2,               // expects: `int16_t*`, will point to a location in memory where an i16 is stored.
-	CONF_I32  = 4,               // expects: `int32_t*`, will point to a location in memory where an i32 is stored.
-	CONF_I64  = 8,               // expects: `int64_t*`, will point to a location in memory where an i64 is stored.
-	CONF_U8   = CONF_I8 | 0x80,  // expects: `uint8_t*`, will point to a location in memory where an u8 is stored.
-	CONF_U16  = CONF_I16 | 0x80, // expects: `uint16_t*`, will point to a location in memory where an u16 is stored.
-	CONF_U32  = CONF_I32 | 0x80, // expects: `uint32_t*`, will point to a location in memory where an u32 is stored.
-	CONF_U64  = CONF_I64 | 0x80, // expects: `uint64_t*`, will point to a location in memory where an u64 is stored.
-	CONF_F32  = CONF_I32 | 0x40, // expects: `float*`, will point to a location in memory where an f32 is stored.
-	CONF_F64  = CONF_I64 | 0x40, // expects: `double*`, will point to a location in memory where an f64 is stored.
-	CONF_FSTR = 0x40,            // expects: `struct conf_fstr*`, which contains the data for a fixed-width string
-};
-
-/* for outputting a fixed string as this config field */
-struct conf_fstr {
-	usize len; // length in BYTES of the output data
-	char *out; // where we will output the data
-};
-
-/* defines the structure of a config file entry */
-struct conf_entry {
-	const char *key;  // the key of this entry
-	void       *out;  // the pointer to which the data is written value is read if the given option is incorrect or missing
-	u8          type; // the primitive type which we are querying for
-};
-
-/* processes an incoming buffer.
- * `buf`, `kout` and `vout` mustn't overlap, and must be (at least) `len` bytes long!
- * `kout` and `vout` will contain a null-terminated string if the function returned successfully.
- * returns `0` on success, `<0` when no data was found. `>0` when data was invalid but something went wrong.
- * see `CONF_E*` or `enum conf_err` */
-int conf_procbuf(const char *restrict buf, char *restrict kout, char *restrict vout, usize len);
-
-/* matches the key with one of the options and returns the pointer. Returns NULL if none could be found. */
-struct conf_entry const *conf_matchopt(struct conf_entry const *opts, usize optc, const char *restrict key);
-
-/* processes the value belonging to the key and outputs the result to opts.
- * - `val` points to a null-terminated string which contains the key and value.
- * returns `0` upon success, non-zero upon failure. For information about specific error codes, see `enum conf_err` */
-int conf_procval(struct conf_entry const *opts, const char *restrict val);
-
-/* acquires the config file path, appending str to the end (you need to handle path separators yourself)
- * expecting str to be null-terminated
- * - linux:   reads $XDG_CONFIG_HOME, if empty $HOME/.config is used, if $HOME is empty NULL is returned.
- * - windows: reads %APPDATA%, if empty %USERPROFILE%\AppData\Roaming is used, if both are empty NULL is returned.
- * - osx:     reads $HOME, uses $HOME/Library/Application Support, if $HOME is empty NULL is returned.
- * !! A malloc'd null-terminated string is returned !! */
-char *conf_getpat(const char *) MALLOC NONNULL((1));

src/util/error.c

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "error.h"
 
 #include <stdarg.h>
@@ -7,15 +8,15 @@
 
 #include "../types.h"
 
-static void error_log(FILE *restrict stream, const char *restrict pfx, uint ln, const char *restrict file, const char *restrict fmt, va_list ap) {
+static void error_log(FILE *restrict stream, const char *restrict pfx, uint ln, const char *restrict file, const char *restrict fmt, va_list ap)
+{
 	fprintf(stream, "(%s:%u) [%s] '", file, ln, pfx);
-
 	vfprintf(stream, fmt, ap);
-
 	fprintf(stream, "'\n");
 }
 
-void error_debug(uint ln, const char *restrict file, const char *restrict fmt, ...) {
+void error_debug(uint ln, const char *restrict file, const char *restrict fmt, ...)
+{
 #ifndef NDEBUG
 #else
 	char *env = getenv("DEBUG");
@@ -28,28 +29,32 @@ void error_debug(uint ln, const char *restrict file, const char *restrict fmt, .
 	va_end(ap);
 }
 
-void error_info(uint ln, const char *restrict file, const char *restrict fmt, ...) {
+void error_info(uint ln, const char *restrict file, const char *restrict fmt, ...)
+{
 	va_list ap;
 	va_start(ap, fmt);
 	error_log(stdout, "\033[94mINF\033[0m", ln, file, fmt, ap);
 	va_end(ap);
 }
 
-void error_warn(uint ln, const char *restrict file, const char *restrict fmt, ...) {
+void error_warn(uint ln, const char *restrict file, const char *restrict fmt, ...)
+{
 	va_list ap;
 	va_start(ap, fmt);
 	error_log(stdout, "\033[93mWAR\033[0m", ln, file, fmt, ap);
 	va_end(ap);
 }
 
-void error_error(uint ln, const char *restrict file, const char *restrict fmt, ...) {
+void error_error(uint ln, const char *restrict file, const char *restrict fmt, ...)
+{
 	va_list ap;
 	va_start(ap, fmt);
 	error_log(stdout, "\033[91mERR\033[0m", ln, file, fmt, ap);
 	va_end(ap);
 }
 
-void error_fatal(uint ln, const char *restrict file, const char *restrict fmt, ...) {
+void error_fatal(uint ln, const char *restrict file, const char *restrict fmt, ...)
+{
 	va_list ap;
 	va_start(ap, fmt);
 	error_log(stdout, "\033[101mFAT\033[0m", ln, file, fmt, ap);

src/util/error.h

@@ -1,13 +1,13 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #include <stdio.h>
 #include <stdlib.h>
 
 #include "../types.h"
-#include "../util/atrb.h"
-#include "../util/macro.h"
+#include "atrb.h"
 
 void error_debug(uint ln, const char *restrict file, const char *restrict fmt, ...);
 void error_info(uint ln, const char *restrict file, const char *restrict fmt, ...);

src/util/macro.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #define WIDTHOF(t)       (sizeof(t) * 8) // gets the bit width of a type

src/util/util.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 /* Acquires the next power of two of value `x`.

src/util/vec.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #include "../types.h"

test/main.c

@@ -1,12 +1,14 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include <stdint.h>
 #include <stdio.h>
 
 #include "test.h"
 #include "test_conf.h"
 
-int main(void) {
+int main(void)
+{
 	assert_true(-3 >> 5 == -1); // checking for arithmetic shift, rather than logical shift
 	assert_true(sizeof(u8) == 1);
 	assert_true(sizeof(u16) == 2);
@@ -14,7 +16,7 @@ int main(void) {
 	assert_true(sizeof(u64) == 8);
 	assert_true(sizeof(f32) == 4);
 	assert_true(sizeof(f64) == 8);
-	assert_true(sizeof(size_t) == sizeof(intptr_t));
+	assert_true(sizeof(usize) == sizeof(size_t));
 	test_conf_procbuf("key=val", "key", "val", 0);
 	test_conf_procbuf("sometxt", "sometxt", "", CONF_ESYNTAX);
 	test_conf_procbuf("# comment", "", "", CONF_ENODAT);

test/test.c

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "test.h"
 
 #include "../src/types.h"
@@ -7,7 +8,8 @@
 uint test_okay = 0;
 uint test_fail = 0;
 
-int test_process(int res, const char *restrict file, uint ln, const char *restrict function, const char *restrict expression) {
+int test_process(int res, const char *restrict file, uint ln, const char *restrict function, const char *restrict expression)
+{
 	const char *status = res ?
 		"[\033[32;1m  OK  \033[0m]" :
 		"[\033[31;1m FAIL \033[0m]";

test/test.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 #include <stdio.h>
 

test/test_conf.c

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #include "test_conf.h"
 
 #include <math.h>
@@ -9,7 +10,8 @@
 #include "../src/util/conf.h"
 #include "test.h"
 
-void test_conf_procbuf(const char *restrict buf, const char *restrict expect_key, const char *restrict expect_val, int expect_return) {
+void test_conf_procbuf(const char *restrict buf, const char *restrict expect_key, const char *restrict expect_val, int expect_return)
+{
 	usize len = strlen(buf) + 1;
 	char  k[len], v[len];
 	*k = '\0', *v = '\0';
@@ -18,20 +20,23 @@ void test_conf_procbuf(const char *restrict buf, const char *restrict expect_key
 		assert_true(!strcmp(v, expect_val)));
 }
 
-void test_conf_matchopt(struct conf_entry *opts, usize optc, const char *restrict key, int expect_index) {
+void test_conf_matchopt(struct conf_entry *opts, usize optc, const char *restrict key, int expect_index)
+{
 	usize idx = opts - conf_matchopt(opts, optc, key);
 	idx       = (ssize)idx < 0 ? -idx : idx;
 	int i     = idx < optc ? (int)idx : -1;
 	assert_true(i == expect_index);
 }
 
-void test_conf_procval_int(const char *val, u64 expect_value, int type) {
+void test_conf_procval_int(const char *val, u64 expect_value, int type)
+{
 	u8 out[sizeof(u64)] = {0};
 	assert_true(!conf_procval(&(struct conf_entry){NULL, out, type}, val));
 	assert_true(memcmp(out, &expect_value, sizeof(u64)) == 0);
 }
 
-void test_conf_procval_f32(const char *val, f32 expect_value) {
+void test_conf_procval_f32(const char *val, f32 expect_value)
+{
 	u8  out[4];
 	f32 result;
 	conf_procval(&(struct conf_entry){NULL, out, CONF_F32}, val);
@@ -39,40 +44,46 @@ void test_conf_procval_f32(const char *val, f32 expect_value) {
 	assert_true(fabsf(expect_value - result) < 1e-9f);
 }
 
-void test_procval_str(void) {
+void test_procval_str(void)
+{
 	char *out = NULL;
 	(void)(assert_true(!conf_procval(&(struct conf_entry){NULL, (void *)&out, CONF_STR}, "here comes the sowon")) &&
 		assert_false(strcmp("here comes the sowon", out)));
 	free(out);
 }
 
-void test_procval_str_predef(void) {
+void test_procval_str_predef(void)
+{
 	char *out = strdup("owo");
 	(void)(assert_true(!conf_procval(&(struct conf_entry){NULL, (void *)&out, CONF_STR}, "i leak if I don't free")) &&
 		assert_true(!strcmp("i leak if I don't free", out)));
 	free(out);
 }
 
-void test_procval_fstr(void) {
+void test_procval_fstr(void)
+{
 	char             buf[16];
 	struct conf_fstr str = {sizeof(buf), buf};
 	(void)(assert_true(!conf_procval(&(struct conf_entry){NULL, &str, CONF_FSTR}, "hewwoo wowld")) &&
 		assert_true(!strcmp(str.out, "hewwoo wowld")));
 }
 
-void test_procval_fstr_trunc(void) {
+void test_procval_fstr_trunc(void)
+{
 	char             buf[8];
 	struct conf_fstr str = {sizeof(buf), buf};
 	(void)(assert_true(!conf_procval(&(struct conf_entry){NULL, &str, CONF_FSTR}, "hewwooo wowld")) &&
 		assert_true(!strcmp(str.out, "hewwooo")));
 }
 
-void test_procval_eparse(void) {
+void test_procval_eparse(void)
+{
 	i32 out;
 	assert_true(conf_procval(&(struct conf_entry){NULL, &out, CONF_I32}, "owo") == CONF_EPARSE);
 }
 
-void test_conf_getpat(void) {
+void test_conf_getpat(void)
+{
 	char *path;
 #if defined(__linux__)
 	/* test without setting environment variables. */

test/test_conf.h

@@ -1,5 +1,6 @@
-/* Copyright (c) 2025 Quinn
- * Licensed under the MIT Licence. See LICENSE for details */
+/* Copyright (c) 2025 Quinn.
+ * This is a file from the project MCA-Selector-Lite and is
+ * licensed under the MIT Licence. See the project's LICENSE file for details. */
 #pragma once
 
 #include "../src/types.h"