REFACTOR: Completely redid push_back and create

include/char.h

@@ -8,29 +8,32 @@
 #ifndef CHAR_H
 #define CHAR_H
 
-#define CAPACITY 1024
-
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <utils.h>
 
 typedef struct
 {
 	char* arr;
 	size_t size;
 	size_t capacity;
+	size_t max_size;
 } Vec8_t;
 
-__attribute__((overloadable)) Vec8_t
-create(const Vec8_t* input);
-
-__attribute__((overloadable)) Vec8_t
-create(const _Bool init);
+Vec8_t
+create(const char* buf, const int len);
 
 Vec8_t
-reserve(Vec8_t* ptr, size_t max_size);
+push_back(Vec8_t* vec, const char val);
+
+Vec8_t
+pop_back(Vec8_t* vec);
+
+Vec8_t
+reserve(Vec8_t* ptr, const size_t max_size);
 
 Vec8_t
 shrink_to_fit(Vec8_t* ptr);
@@ -41,10 +44,13 @@ swap(Vec8_t* ptr, Vec8_t* ptr_other);
 char*
 data(const Vec8_t* ptr);
 
+size_t
+capacity(const Vec8_t* ptr);
+
 size_t
 max_size(const Vec8_t* ptr);
 
-void delete (Vec8_t* vec);
+void delete (const Vec8_t* vec);
 
 Vec8_t
 clear(Vec8_t* vec);
@@ -76,12 +82,6 @@ back(const Vec8_t* vec);
 int
 empty(const Vec8_t* vec);
 
-Vec8_t
-add_back(Vec8_t* vec, char val);
-
-Vec8_t
-pop_back(Vec8_t* vec);
-
 __attribute__((overloadable)) Vec8_t
 resize(Vec8_t* vec, size_t size);