return (off_t) le32_to_cpu(sb.fat_sector_count) * SECTOR_SIZE(sb);
}
-static cluster_t fat_write_entry(cluster_t cluster, cluster_t value, int fd)
+static cluster_t fat_write_entry(struct exfat_dev* dev, cluster_t cluster,
+ cluster_t value)
{
le32_t fat_entry = cpu_to_le32(value);
- if (write(fd, &fat_entry, sizeof(fat_entry)) == -1)
+ if (exfat_write(dev, &fat_entry, sizeof(fat_entry)) < 0)
return 0;
return cluster + 1;
}
-static cluster_t fat_write_entries(cluster_t cluster, uint64_t length, int fd)
+static cluster_t fat_write_entries(struct exfat_dev* dev, cluster_t cluster,
+ uint64_t length)
{
cluster_t end = cluster + DIV_ROUND_UP(length, CLUSTER_SIZE(sb));
while (cluster < end - 1)
{
- cluster = fat_write_entry(cluster, cluster + 1, fd);
+ cluster = fat_write_entry(dev, cluster, cluster + 1);
if (cluster == 0)
return 0;
}
- return fat_write_entry(cluster, EXFAT_CLUSTER_END, fd);
+ return fat_write_entry(dev, cluster, EXFAT_CLUSTER_END);
}
-int fat_write(off_t base, int fd)
+int fat_write(struct exfat_dev* dev, off_t base)
{
cluster_t c = 0;
exfat_bug("unexpected FAT location: %"PRIu64" (expected %u)",
base, le32_to_cpu(sb.fat_sector_start) * SECTOR_SIZE(sb));
- if (!(c = fat_write_entry(c, 0xfffffff8, fd))) /* media type */
+ if (!(c = fat_write_entry(dev, c, 0xfffffff8))) /* media type */
return errno;
- if (!(c = fat_write_entry(c, 0xffffffff, fd))) /* some weird constant */
+ if (!(c = fat_write_entry(dev, c, 0xffffffff))) /* some weird constant */
return errno;
- if (!(c = fat_write_entries(c, cbm_size(), fd)))
+ if (!(c = fat_write_entries(dev, c, cbm_size())))
return errno;
- if (!(c = fat_write_entries(c, uct_size(), fd)))
+ if (!(c = fat_write_entries(dev, c, uct_size())))
return errno;
- if (!(c = fat_write_entries(c, rootdir_size(), fd)))
+ if (!(c = fat_write_entries(dev, c, rootdir_size())))
return errno;
return 0;