visualboyadvance-m/fex/7z_C/7zBuf.c

/* 7zBuf.c -- Byte Buffer
2008-03-28
Igor Pavlov
Public domain */

#include "7zBuf.h"

void Buf_Init(CBuf* p)
{
    p->data = 0;
    p->size = 0;
}

int Buf_Create(CBuf* p, size_t size, ISzAlloc* alloc)
{
    p->size = 0;
    if (size == 0) {
        p->data = 0;
        return 1;
    }
    p->data = (Byte*)alloc->Alloc(alloc, size);
    if (p->data != 0) {
        p->size = size;
        return 1;
    }
    return 0;
}

void Buf_Free(CBuf* p, ISzAlloc* alloc)
{
    alloc->Free(alloc, p->data);
    p->data = 0;
    p->size = 0;
}