buffer.c

#include "buffer.h"
#include <stdlib.h>
#include <stdio.h>

InputBuffer* new_input_buffer(){
    InputBuffer* input_buffer = (InputBuffer*)malloc(sizeof(InputBuffer));
    input_buffer->buffer = NULL;
    input_buffer->buffer_length = 0;
    input_buffer->input_length = 0;

    return input_buffer;
}

void print_prompt(){
    printf("db > ");
    }

ssize_t getline(char** lineptr, size_t* n, FILE* stream);

void read_input(InputBuffer* input_buffer){
    ssize_t bytes_read = getline(&(input_buffer->buffer), &(input_buffer->buffer_length), stdin);

    if(bytes_read <= 0){
        printf("Error reading input\n");
        exit(EXIT_FAILURE);
    }

    // Ignore trailing newline
    input_buffer->input_length = bytes_read - 1;
    input_buffer->buffer[bytes_read - 1] = 0;
}

void close_input_buffer(InputBuffer* input_buffer) {
    free(input_buffer->buffer);
    free(input_buffer);
}