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- patch from Michael Hohnbaum <hohnbaum@us.ibm.com> to handle sparse files.

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jthomas 2004-08-07 06:48:58 +00:00
parent 16ca69f719
commit 577b70d724
2 changed files with 12 additions and 4 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2004-08-07 Jason Thomas <jason@staff.pnc.com.au>
From Michael Hohnbaum <hohnbaum@us.ibm.com>:
* stage2/fsys_ext2fs.c (ext2fs_read): Handle sparse files.
2004-07-24 Yoshinori K. Okuji <okuji@enbug.org>
* stage2/stage2.c (cmain): Terminate DEFAULT_FILE with NUL

12
stage2/fsys_ext2fs.c
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@ -432,12 +432,16 @@ ext2fs_read (char *buf, int len)
if (size > len)
size = len;
disk_read_func = disk_read_hook;
if (map == 0) {
memset ((char *) buf, 0, size);
} else {
disk_read_func = disk_read_hook;
devread (map * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE),
offset, size, buf);
devread (map * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE),
offset, size, buf);
disk_read_func = NULL;
disk_read_func = NULL;
}
buf += size;
len -= size;