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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:30:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:30:35 +0000 |
commit | 378c18e5f024ac5a8aef4cb40d7c9aa9633d144c (patch) | |
tree | 44dfb6ca500d32cabd450649b322a42e70a30683 /libblkid/src/partitions/sgi.c | |
parent | Initial commit. (diff) | |
download | util-linux-378c18e5f024ac5a8aef4cb40d7c9aa9633d144c.tar.xz util-linux-378c18e5f024ac5a8aef4cb40d7c9aa9633d144c.zip |
Adding upstream version 2.38.1.upstream/2.38.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libblkid/src/partitions/sgi.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libblkid/src/partitions/sgi.c b/libblkid/src/partitions/sgi.c new file mode 100644 index 0000000..99c0bf1 --- /dev/null +++ b/libblkid/src/partitions/sgi.c @@ -0,0 +1,87 @@ +/* + * sgi partition parsing code + * + * Copyright (C) 2009 Karel Zak <kzak@redhat.com> + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + * + */ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <stdint.h> + +#include "partitions.h" +#include "pt-sgi.h" + +static int probe_sgi_pt(blkid_probe pr, + const struct blkid_idmag *mag __attribute__((__unused__))) +{ + struct sgi_disklabel *l; + struct sgi_partition *p; + blkid_parttable tab = NULL; + blkid_partlist ls; + int i; + + l = (struct sgi_disklabel *) blkid_probe_get_sector(pr, 0); + if (!l) { + if (errno) + return -errno; + goto nothing; + } + + if (sgi_pt_checksum(l)) { + DBG(LOWPROBE, ul_debug( + "detected corrupted sgi disk label -- ignore")); + goto nothing; + } + + if (blkid_partitions_need_typeonly(pr)) + /* caller does not ask for details about partitions */ + return BLKID_PROBE_OK; + + ls = blkid_probe_get_partlist(pr); + if (!ls) + goto nothing; + + tab = blkid_partlist_new_parttable(ls, "sgi", 0); + if (!tab) + goto err; + + for(i = 0, p = &l->partitions[0]; i < SGI_MAXPARTITIONS; i++, p++) { + uint32_t size = be32_to_cpu(p->num_blocks); + uint32_t start = be32_to_cpu(p->first_block); + uint32_t type = be32_to_cpu(p->type); + blkid_partition par; + + if (!size) { + blkid_partlist_increment_partno(ls); + continue; + } + par = blkid_partlist_add_partition(ls, tab, start, size); + if (!par) + goto err; + + blkid_partition_set_type(par, type); + } + + return BLKID_PROBE_OK; + +nothing: + return BLKID_PROBE_NONE; +err: + return -ENOMEM; +} + +const struct blkid_idinfo sgi_pt_idinfo = +{ + .name = "sgi", + .probefunc = probe_sgi_pt, + .magics = + { + { .magic = "\x0B\xE5\xA9\x41", .len = 4 }, + { NULL } + } +}; + |