mkfs.vfat: more of pointless tweaking
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020f465cbd
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14ee4e65f1
@ -163,8 +163,7 @@ static const char boot_code[] ALIGN1 =
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"This is not a bootable disk\r\n";
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// mark specified cluster as having a particular value
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#define mark_cluster(cluster, value) \
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#define MARK_CLUSTER(cluster, value) \
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((uint32_t *)fat)[cluster] = cpu_to_le32(value)
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void BUG_unsupported_field_size(void);
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@ -437,7 +436,7 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
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buf = xzalloc(bufsize * bytes_per_sect);
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}
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{ // boot, fsinfo sectors and their copies
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{ // boot and fsinfo sectors, and their copies
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struct msdos_boot_sector *boot_blk = (void*)buf;
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struct fat32_fsinfo *info = (void*)(buf + bytes_per_sect);
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@ -492,10 +491,10 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
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memset(buf, 0, bytes_per_sect * 2);
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// initial FAT entries
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mark_cluster(0, 0x0fffff00 | media_byte);
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mark_cluster(1, 0xffffffff);
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MARK_CLUSTER(0, 0x0fffff00 | media_byte);
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MARK_CLUSTER(1, 0xffffffff);
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// mark cluster 2 as EOF (used for root dir)
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mark_cluster(2, EOF_FAT32);
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MARK_CLUSTER(2, EOF_FAT32);
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for (i = 0; i < NUM_FATS; i++) {
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xwrite(dev, buf, bytes_per_sect);
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for (j = 1; j < sect_per_fat; j++)
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@ -574,7 +573,7 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
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int cluster = (currently_testing * SECTORS_PER_BLOCK + i - start_data_sector) / (int) (sect_per_clust) / (bytes_per_sect / SECTOR_SIZE);
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if (cluster < 0)
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bb_error_msg_and_die("Invalid cluster number in mark_sector: probably bug!");
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mark_cluster(cluster, BAD_FAT32);
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MARK_CLUSTER(cluster, BAD_FAT32);
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}
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badblocks++;
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currently_testing++;
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