Used typedef

.gitignore

@@ -1 +1 @@
-test
+test_array

LICENSE

@@ -0,0 +1,26 @@
+MIT NON-AI License
+
+Copyright (c) 2025, Seoxi Ryouko
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of the software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions.
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+In addition, the following restrictions apply:
+
+1. The Software and any modifications made to it may not be used for the purpose of training or improving machine learning algorithms,
+including but not limited to artificial intelligence, natural language processing, or data mining. This condition applies to any derivatives,
+modifications, or updates based on the Software code. Any usage of the Software in an AI-training dataset is considered a breach of this License.
+
+2. The Software may not be included in any dataset used for training or improving machine learning algorithms,
+including but not limited to artificial intelligence, natural language processing, or data mining.
+
+3. Any person or organization found to be in violation of these restrictions will be subject to legal action and may be held liable
+for any damages resulting from such use.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Makefile

@@ -0,0 +1,5 @@
+CC = clang
+CFLAGS = -O2 -Wall -Wextra -Wno-c2x-extensions
+test_array:
+	$(CC) $(CFLAGS) -o test_array test_array.c libkeke_array.c
+	./test_array

libkeke_array.c

@@ -0,0 +1,175 @@
+#ifndef LIBKEKE_ARRAY
+#define LIBKEKE_ARRAY
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdbool.h>
+#include "libkeke_utils.h"
+#include "libkeke_array.h"
+
+#define ARRAY_GET(array, i) ((array)->content + (array)->type_size * (i))
+
+KekeArray *keke_array_alloc(size_t initial_len, size_t type_size) {
+	//if(initial_len == 0) initial_len = 1;
+	KekeArray *array = malloc(sizeof(*array));
+	array->len = initial_len;
+	size_t max_len = 1;
+	while(initial_len >>= 1) max_len <<= 1;
+
+	array->type_size = type_size;
+	array->max_len = max_len;
+	array->content = malloc(max_len * type_size);
+	memset(array->content, 0, max_len * type_size);
+	return array;
+}
+
+void keke_array_free(KekeArray *array) {
+	free(array->content);
+	free(array);
+}
+
+
+void keke_array_set(KekeArray *array, size_t index, const void *value) {
+	if(index >= array->max_len) {
+		array->content = realloc(array->content, (array->max_len << 1) * array->type_size);
+		memset(array->content + array->max_len * array->type_size, 0, array->max_len * array->type_size);
+		array->max_len <<= 1;
+	}
+	if(index >= array->len) array->len = index + 1;
+	memcpy(array->content + index * array->type_size, value, array->type_size);
+}
+
+void *keke_array_get(KekeArray *array, size_t index) {
+	if(index >= array->len) return NULL; // is ur fault
+	return ARRAY_GET(array, index);
+}
+
+int keke_array_copy(KekeArray *array, size_t index, void *value) {
+	if(index >= array->len) return -1; // is ur fault
+	memcpy(value, ARRAY_GET(array, index), array->type_size);
+	return 0;
+}
+
+void keke_array_set_len(KekeArray *array, size_t new_len) {
+	if(new_len >= array->max_len) {
+		size_t new_max_len = 1;
+		size_t len = new_len;
+		while(len >>= 1) new_max_len <<= 1;
+		array->content = realloc(array->content, new_max_len * array->type_size);
+		memset(array->content + array->max_len * array->type_size, 0, (new_max_len - array->max_len) * array->type_size);
+		array->max_len <<= 1;
+	} else if(new_len < array->len) {
+        memset(array->content + new_len * array->type_size, 0, (array->len - new_len) * array->type_size);
+    }
+	array->len = new_len;
+}
+
+void keke_array_insert(KekeArray *array, size_t index, const void *value) {
+    keke_array_set_len(array, array->len + 1);
+    memmove(array->content + ((index + 1) * array->type_size), array->content + (index * array->type_size), (array->len - index - 1) * array->type_size);
+    memcpy(array->content + index * array->type_size, value, array->type_size);
+}
+
+void keke_array_remove(KekeArray *array, size_t index, void *value) {
+    keke_array_set_len(array, array->len - 1);
+    memcpy(value, array->content + index * array->type_size, array->type_size);
+    memmove(array->content + (index * array->type_size), array->content + ((index + 1) * array->type_size), (array->len - index + 1) * array->type_size);
+}
+
+void keke_array_push(KekeArray *array, const void *value) {
+	keke_array_set(array, array->len, value);
+}
+
+void keke_array_pop(KekeArray *array, void *value) {
+	keke_array_remove(array, array->len - 1, value);
+}
+
+void keke_array_delete(KekeArray *array, size_t index) {
+    keke_array_set_len(array, array->len - 1);
+    memmove(array->content + (index * array->type_size), array->content + ((index + 1) * array->type_size), (array->len - index + 1) * array->type_size);
+}
+
+KekeArray *keke_array_yoink(KekeArray *array, size_t start_index, size_t len) {
+	if(start_index + len >= array->len) return NULL;
+	KekeArray *ret = keke_array_alloc(len, array->type_size);
+	memcpy(ret->content, array->content + start_index * array->type_size, len * array->type_size);
+	memmove(array->content + start_index * array->type_size, array->content + (start_index + len) * array->type_size, (array->len - len - start_index) * array->type_size);
+	keke_array_set_len(array, array->len - len);
+	return ret;
+}
+
+int keke_array_insert_data(KekeArray *array, size_t index, void *data, size_t len) {
+    if(index >= array->len) return -1;
+    size_t current_len = array->len;
+    keke_array_set_len(array, current_len + len);
+    memmove(array->content + (index + len) * array->type_size, array->content + index * array->type_size, (current_len - index) * array->type_size);
+    memcpy(array->content + index * array->type_size, data, len * array->type_size);
+    return 0;
+}
+
+int keke_array_plop(KekeArray *array, size_t index, KekeArray *array2) {
+    int ret = keke_array_insert_data(array, index, array2->content, array2->len);
+    if(ret) return ret;
+    keke_array_free(array2);
+    return 0;
+}
+
+typedef void (*Foreach_func)(void *, size_t, KekeArray *);
+
+void keke_array_foreach(KekeArray *array, Foreach_func callback) {
+    for(size_t i = 0; i < array->len; i++) callback(ARRAY_GET(array, i), i, array);
+}
+
+KekeArray *keke_array_clone(KekeArray *array) {
+    KekeArray *ret = malloc(sizeof(*array));
+    memcpy(ret, array, sizeof(*array));
+    ret->content = malloc(array->max_len * array->type_size);
+    memcpy(ret->content, array->content, array->max_len * array->type_size);
+    return ret;
+}
+
+void keke_array_fill(KekeArray *array, const void *value) {
+    for(size_t i = 0; i < array->len; i++) memcpy(ARRAY_GET(array, i), value, array->type_size);
+}
+
+void keke_array_reverse(KekeArray *array) {
+    for(size_t i = 0; i < array->len / 2; i++) {
+    	keke_swap(ARRAY_GET(array, i), array->content + array->type_size * (array->len - i - 1), array->type_size);
+    }
+}
+
+typedef bool (*Test_func)(void *, size_t, KekeArray *);
+
+bool keke_array_some(KekeArray *array, Test_func test) {
+	bool ret = false;
+    for(size_t i = 0; i < array->len; i++) ret = ret || test(ARRAY_GET(array, i), i, array);	
+    return ret;
+}
+
+bool keke_array_all(KekeArray *array, Test_func test) {
+	bool ret = true;
+    for(size_t i = 0; i < array->len; i++) ret = ret && test(ARRAY_GET(array, i), i, array);	
+    return ret;
+}
+
+KekeArray *keke_array_filter(KekeArray *array, Test_func test) {
+	KekeArray *ret = keke_array_alloc(0, array->type_size);
+    for(size_t i = 0; i < array->len; i++) {
+    	if(test(ARRAY_GET(array, i), i, array)) {
+    		keke_array_push(ret, ARRAY_GET(array, i));
+    	}
+    }
+    return ret;
+}
+
+typedef void (*B_func)(void *, void *);
+
+void keke_array_reduce(KekeArray *array, B_func op, void *acc) {
+	for(size_t i = 0; i < array->len; i++) op(ARRAY_GET(array, i), acc);
+}
+
+#undef ARRAY_GET
+
+#endif

libkeke_array.h

@@ -2,133 +2,48 @@
 #define LIBKEKE_ARRAY
 
 #include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
+#include <stdint.h>
+#include <stdbool.h>
 
-struct KekeArray {
+typedef struct {
 	size_t type_size;
 	size_t len;
 	size_t max_len;
 	void *content;
-};
+} KekeArray;
 
-static void *keke_array_alloc(size_t initial_len, size_t type_size) {
-	if(initial_len == 0) initial_len = 1;
-	struct KekeArray *array = malloc(sizeof(*array));
-	array->len = initial_len;
-	size_t max_len = 1;
-	while(initial_len >>= 1) max_len <<= 1;
+KekeArray *keke_array_alloc(size_t initial_len, size_t type_size);
+void keke_array_free(KekeArray *array);
 
-	array->type_size = type_size;
-	array->max_len = max_len;
-	array->content = malloc(max_len * type_size);
-	memset(array->content, 0, max_len * type_size);
-	return array;
-}
+void keke_array_set(KekeArray *array, size_t index, const void *value);
+void *keke_array_get(KekeArray *array, size_t index);
 
-static void keke_array_free(struct KekeArray *array) {
-	free(array->content);
-	free(array);
-}
+int keke_array_copy(KekeArray *array, size_t index, void *value);
+void keke_array_set_len(KekeArray *array, size_t new_len);
+void keke_array_insert(KekeArray *array, size_t index, const void *value);
+void keke_array_remove(KekeArray *array, size_t index, void *value);
+void keke_array_push(KekeArray *array, const void *value);
+void keke_array_pop(KekeArray *array, void *value);
+void keke_array_delete(KekeArray *array, size_t index);
 
+KekeArray *keke_array_yoink(KekeArray *array, size_t start_index, size_t len);
+int keke_array_insert_data(KekeArray *array, size_t index, void *data, size_t len);
+int keke_array_plop(KekeArray *array, size_t index, KekeArray *array2);
 
-static void keke_array_set(struct KekeArray *array, size_t index, const void *value) {
-	if(index >= array->max_len) {
-		array->content = realloc(array->content, (array->max_len << 1) * array->type_size);
-		memset(array->content + array->max_len * array->type_size, 0, array->max_len * array->type_size);
-		array->max_len <<= 1;
-	}
-	if(index >= array->len) array->len = index + 1;
-	memcpy(array->content + index * array->type_size, value, array->type_size);
-}
+typedef void (*Foreach_func)(void *, size_t, KekeArray *);
+void keke_array_foreach(KekeArray *array, Foreach_func callback);
+KekeArray *keke_array_clone(KekeArray *array);
 
-static void *keke_array_get(struct KekeArray *array, size_t index) {
-	if(index >= array->len) return NULL; // is ur fault
-	return array->content + array->type_size * index;
-}
+void keke_array_fill(KekeArray *array, const void *value);
+void keke_array_reverse(KekeArray *array);
 
-static int keke_array_copy(struct KekeArray *array, size_t index, void *value) {
-	if(index >= array->len) return -1; // is ur fault
-	memcpy(value, array->content + array->type_size * index, array->type_size);
-	return 0;
-}
+typedef bool (*Test_func)(void *, size_t, KekeArray *);
+bool keke_array_some(KekeArray *array, Test_func test);
+bool keke_array_all(KekeArray *array, Test_func test);
 
-static void keke_array_set_len(struct KekeArray *array, size_t new_len) {
-	if(new_len >= array->max_len) {
-		size_t new_max_len = 1;
-		size_t len = new_len;
-		while(len >>= 1) new_max_len <<= 1;
-		array->content = realloc(array->content, new_max_len * array->type_size);
-		memset(array->content + array->max_len * array->type_size, 0, (new_max_len - array->max_len) * array->type_size);
-		array->max_len <<= 1;
-	} else if(new_len < array->len) {
-        memset(array->content + new_len * array->type_size, 0, (array->len - new_len) * array->type_size);
-    }
-	array->len = new_len;
-}
+KekeArray *keke_array_filter(KekeArray *array, Test_func test);
 
-static void keke_array_insert(struct KekeArray *array, size_t index, const void *value) {
-    keke_array_set_len(array, array->len + 1);
-    memmove(array->content + ((index + 1) * array->type_size), array->content + (index * array->type_size), (array->len - index - 1) * array->type_size);
-    memcpy(array->content + index * array->type_size, value, array->type_size);
-}
-
-static void keke_array_remove(struct KekeArray *array, size_t index, void *value) {
-    keke_array_set_len(array, array->len - 1);
-    memcpy(value, array->content + index * array->type_size, array->type_size);
-    memmove(array->content + (index * array->type_size), array->content + ((index + 1) * array->type_size), (array->len - index + 1) * array->type_size);
-}
-
-static void keke_array_push(struct KekeArray *array, const void *value) {
-	keke_array_set(array, array->len, value);
-}
-
-static void keke_array_pop(struct KekeArray *array, void *value) {
-	keke_array_remove(array, array->len - 1, value);
-}
-
-static void keke_array_delete(struct KekeArray *array, size_t index) {
-    keke_array_set_len(array, array->len - 1);
-    memmove(array->content + (index * array->type_size), array->content + ((index + 1) * array->type_size), (array->len - index + 1) * array->type_size);
-}
-
-static struct KekeArray *keke_array_yoink(struct KekeArray *array, size_t start_index, size_t len) {
-	if(start_index + len >= array->len) return NULL;
-	struct KekeArray *ret = keke_array_alloc(len, array->type_size);
-	memcpy(ret->content, array->content + start_index * array->type_size, len * array->type_size);
-	memmove(array->content + start_index * array->type_size, array->content + (start_index + len) * array->type_size, (array->len - len - start_index) * array->type_size);
-	keke_array_set_len(array, array->len - len);
-	return ret;
-}
-
-static int keke_array_insert_data(struct KekeArray *array, size_t index, void *data, size_t len) {
-    if(index >= array->len) return -1;
-    size_t current_len = array->len;
-    keke_array_set_len(array, current_len + len);
-    memmove(array->content + (index + len) * array->type_size, array->content + index * array->type_size, (current_len - index) * array->type_size);
-    memcpy(array->content + index * array->type_size, data, len * array->type_size);
-    return 0;
-}
-
-static int keke_array_plop(struct KekeArray *array, size_t index, struct KekeArray *array2) {
-    int ret = keke_array_insert_data(array, index, array2->content, array2->len);
-    if(ret) return ret;
-    keke_array_free(array2);
-    return 0;
-}
-
-typedef void (*Callback_func)(void *, size_t, struct KekeArray *);
-
-static void keke_array_foreach(struct KekeArray *array, Callback_func callback) {
-    for(size_t i = 0; i < array->len; i++) callback(keke_array_get(array, i), i, array);
-}
-
-static struct KekeArray *keke_array_clone(struct KekeArray *array) {
-    struct KekeArray *ret = malloc(sizeof(*array));
-    memcpy(ret, array, sizeof(*array));
-    ret->content = malloc(array->max_len * array->type_size);
-    memcpy(ret->content, array->content, array->max_len * array->type_size);
-    return ret;
-}
+typedef void (*B_func)(void *, void *);
+void keke_array_reduce(KekeArray *array, B_func op, void *acc);
 
 #endif

libkeke_utils.h

@@ -0,0 +1,18 @@
+#ifndef LIBKEKE_UTILS
+#define LIBKEKE_UTILS
+
+#include <stddef.h>
+
+#define BOOL_PRETTY(b) (b ? "True" : "False")
+
+static void keke_swap(void *a, void *b, size_t size) {
+	char *aa = a;
+	char *bb = b;
+	for(size_t i = 0; i < size; i++) {
+		aa[i] ^= bb[i];
+		bb[i] ^= aa[i];
+		aa[i] ^= bb[i];
+	}
+}
+
+#endif

test.sh

@@ -1,6 +0,0 @@
-#!/bin/bash
-rm test
-cc=clang
-test "" = "$(which clang 2>&1)" && cc=gcc
-$cc -Ofast -Wall -Wextra -o test test.c
-./test

test_array.c

@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "libkeke_array.h"
+#include "libkeke_utils.h"
 
 #define ARRAY_LEN 10
 
@@ -14,10 +15,27 @@ void output(void *i, size_t, struct KekeArray *) {
     printf("%d, ", *(int *)i);
 }
 
+void sub4(void *i, size_t, struct KekeArray *) {
+	*(int *)i -= 4;
+}
+
+bool heart(void *i, size_t, struct KekeArray *) {
+	return *(int *)i < 3;
+}
+
+void add(void *vx, void *vacc) {
+	int *x = (int *)vx;
+	int *acc = (int *)vacc;
+	*acc += *x;
+}
 
 int main(void) {
 	struct KekeArray *array = keke_array_alloc(ARRAY_LEN, sizeof(int));
 
+    puts("Expected value:\n0");
+    printf("%d", *(int *)keke_array_get(array, 0)); //initialized to 0
+	puts("\n");
+    
     keke_array_foreach(array, set);
     puts("Expected value:\n9, 8, 7, 6, 5, 4, 3, 2, 1, 0,");
     keke_array_foreach(array, output);
@@ -77,9 +95,38 @@ int main(void) {
     keke_array_foreach(array, output);
 	puts("\n");
 
+    keke_array_fill(array, &j);
+    puts("Expected value:\n6, 6, 6, 6, 6,");
+    keke_array_foreach(array, output);
+	puts("\n");
+
+    keke_array_reverse(array2);
+    puts("Expected value:\n6, 6, 5, 6, 7, 7,");
+    keke_array_foreach(array2, output);
+	puts("\n");
+
+	keke_array_foreach(array2, sub4);
+    puts("Expected value:\n2, 2, 1, 2, 3, 3,");
+	keke_array_foreach(array2, output);
+	puts("\n");
+
+	bool h = keke_array_some(array2, heart);
+	bool g = keke_array_all(array2, heart);
+    puts("Expected value:\nTrue, False");
+    printf("%s, %s\n\n", BOOL_PRETTY(h), BOOL_PRETTY(g));
+
+	struct KekeArray *array4 = keke_array_filter(array2, heart);
+    puts("Expected value:\n2, 2, 1, 2,");
+	keke_array_foreach(array4, output);
+	puts("\n");
+
+	j = 0;
+	keke_array_reduce(array4, add, &j);
+	printf("Expected value:\n7\n%d\n\n", j);
     
     keke_array_free(array);
     keke_array_free(array2);
+    keke_array_free(array4);
 	puts("\n");
 	return 0;
 }