ssize_t exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
off_t offset)
{
#ifdef USE_UBLIO
return ublio_pwrite(dev->ufh, buffer, size, offset);
#else
return pwrite(dev->fd, buffer, size, offset);
#endif
}
ssize_t exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
off64_t offset)
{
#ifdef USE_UBLIO
return ublio_pwrite(dev->ufh, buffer, size, offset);
#elif defined(USE_TRANSITIONAL_LFS) && USE_TRANSITIONAL_LFS
return pwrite64(dev->fd, buffer, size, offset);
#else
return pwrite(dev->fd, buffer, size, offset);
#endif
}
ssize_t exfat_write(struct exfat_dev* dev, const void* buffer, size_t size)
{
#ifdef USE_UBLIO
ssize_t result = ublio_pwrite(dev->ufh, buffer, size, dev->pos);
if (result >= 0)
dev->pos += size;
return result;
#else
return write(dev->fd, buffer, size);
#endif
}
void exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
off_t offset)
{
#ifdef USE_UBLIO
if (ublio_pwrite(dev->ufh, buffer, size, offset) != size)
#else
if (pwrite(dev->fd, buffer, size, offset) != size)
#endif
exfat_bug("failed to write %zu bytes to file at %"PRIu64, size,
(uint64_t) offset);
}