Andrew Haynes
141 lines
2.1 KiB
C
141 lines
2.1 KiB
C
/*
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* Types Wanted:
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* Char
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* Float
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* Int
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* String
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct
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{
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char* arr;
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size_t size;
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} Vec8_t;
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Vec8_t
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create(size_t init_size)
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{
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Vec8_t vec = { .arr = nullptr, .size = 0 };
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if (init_size > 0)
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{
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vec.arr = malloc(init_size * sizeof(char));
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vec.size = init_size;
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}
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return vec;
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}
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void
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delete(Vec8_t* vec)
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{
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if (vec->arr != nullptr)
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{
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free(vec->arr);
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}
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vec->arr = nullptr;
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}
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char
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at(Vec8_t* vec, int idx)
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{
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if (vec->arr != nullptr && vec->size >= idx)
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{
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return vec->arr[idx];
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}
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return -1;
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}
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int
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begin(Vec8_t* vec)
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{
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if (vec->arr != nullptr && vec->size > 0)
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{
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return 1;
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}
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return -1;
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}
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int
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end(Vec8_t* vec)
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{
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if (vec->arr != nullptr && vec->size > 0)
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{
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return (int)(vec->size - 1);
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}
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return -1;
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}
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char
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front(Vec8_t* vec)
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{
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if (vec->arr != nullptr && vec->size > 0)
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{
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return vec->arr[0];
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}
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return -1;
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}
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char
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back(Vec8_t* vec)
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{
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if (vec->arr != nullptr && vec->size > 0)
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{
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return vec->arr[vec->size - 1];
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}
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return -1;
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}
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Vec8_t
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add_back(Vec8_t* vec, char val)
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{
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Vec8_t nvec = create(vec->size + 1);
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memcpy(&nvec.arr[0], &vec->arr[0], vec->size * sizeof(char));
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if (nvec.arr && (nvec.size > 0 || nvec.size > vec->size))
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{
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nvec.arr[vec->size] = val;
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}
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return nvec;
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}
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Vec8_t
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add_front(Vec8_t* vec, char val)
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{
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Vec8_t nvec = create(vec->size + 1);
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memcpy(&nvec.arr[1], &vec->arr[0], vec->size * sizeof(char));
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if (nvec.arr && (nvec.size > 0 || nvec.size > vec->size))
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{
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nvec.arr[0] = val;
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}
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return nvec;
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}
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int
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main()
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{
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Vec8_t vec = create(0);
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vec = add_back(&vec, '3');
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vec = add_back(&vec, '4');
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vec = add_back(&vec, '5');
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vec = add_back(&vec, '6');
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for(int i = 0; i < vec.size; i++) {
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printf("%c\n", at(&vec, i));
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}
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printf("\n");
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vec = add_front(&vec, 'c');
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for(int i = 0; i < vec.size; i++) {
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printf("%c\n", at(&vec, i));
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}
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// for (int i = 0; i < capacity; i++)
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// {
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// printf("%c\n", at(&vec, i));
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// }
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delete(&vec);
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// printf("%s", "Hello World");
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return 0;
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}
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