#include "structures/buffer.h"

// Inline extern prototypes

bool LSUP_buffer_eq(const LSUP_Buffer *buf1, const LSUP_Buffer *buf2);


LSUP_Buffer *LSUP_buffer_new(size_t size)
{
    LSUP_Buffer *buf;

    CRITICAL(buf = malloc(sizeof(LSUP_Buffer)));
    LSUP_buffer_init(buf, size);

    return buf;
}


int LSUP_buffer_init(LSUP_Buffer *buf, size_t size)
{
    TRACE("Buffer Size: %lu\n", size);
    CRITICAL(buf->addr = malloc(size * sizeof(char)));
    buf->size = size;

    return 0;
}

/**
 * Print a byte string of a given length in a human-readable format.
 *
 * The string is printed in Python style: printable characters are output
 * literally, and non-printable ones as hex sequences.
 */
void LSUP_buffer_print(const LSUP_Buffer *buf) {
    for (size_t i = 0; i < buf->size; i++) {
        char chr = ((char*)buf->addr)[i];
        if (isprint(chr)) {
            fputc(chr, stdout);
        } else {
            printf("\\x%02x", chr);
        }
    }
    printf("\n");
}


void LSUP_buffer_done(LSUP_Buffer *buf){
    if (buf->addr != NULL) {
        TRACE(STR, "Freeing buffer.");
        free(buf->addr);
    }
}