lsup_rdf/include/buffer.h

#ifndef _LSUP_BUFFER_H
#define _LSUP_BUFFER_H

#include "core.h"

typedef struct LSUP_Buffer {
    void *addr;
    size_t size;
} LSUP_Buffer;


LSUP_Buffer *LSUP_buffer_new(size_t size);

int LSUP_buffer_init(LSUP_Buffer *buf, size_t size);

void LSUP_buffer_print(const LSUP_Buffer *buf);

int LSUP_buffer_copy(LSUP_Buffer *dest, const LSUP_Buffer *src);

void LSUP_buffer_done(LSUP_Buffer *buf);


/**
 * Return whether two buffers are equal.
 *
 * This is faster than LSUP_buffer_cmp because it returns immediately if the
 * sizes of the buffers differ.
 */
inline bool LSUP_buffer_eq(const LSUP_Buffer *buf1, const LSUP_Buffer *buf2)
{
    if (buf1->size != buf2->size) return false;

    return (memcmp(buf1->addr, buf2->addr, buf1->size) == 0) ? true : false;
}

inline int LSUP_buffer_cmp(const LSUP_Buffer *buf1, const LSUP_Buffer *buf2)
{
    return memcmp(buf1->addr, buf2->addr, max(buf1->size, buf2->size));
}

#endif