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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "dissect-image.h"
#include "fd-util.h"
#include "fdisk-util.h"
#if HAVE_LIBFDISK
int fdisk_new_context_fd(
int fd,
bool read_only,
uint32_t sector_size,
struct fdisk_context **ret) {
_cleanup_(fdisk_unref_contextp) struct fdisk_context *c = NULL;
int r;
assert(ret);
if (fd < 0)
return -EBADF;
c = fdisk_new_context();
if (!c)
return -ENOMEM;
if (sector_size == UINT32_MAX) {
r = probe_sector_size_prefer_ioctl(fd, §or_size);
if (r < 0)
return r;
}
if (sector_size != 0) {
r = fdisk_save_user_sector_size(c, /* phy= */ 0, sector_size);
if (r < 0)
return r;
}
r = fdisk_assign_device(c, FORMAT_PROC_FD_PATH(fd), read_only);
if (r < 0)
return r;
*ret = TAKE_PTR(c);
return 0;
}
int fdisk_partition_get_uuid_as_id128(struct fdisk_partition *p, sd_id128_t *ret) {
const char *ids;
assert(p);
assert(ret);
ids = fdisk_partition_get_uuid(p);
if (!ids)
return -ENXIO;
return sd_id128_from_string(ids, ret);
}
int fdisk_partition_get_type_as_id128(struct fdisk_partition *p, sd_id128_t *ret) {
struct fdisk_parttype *pt;
const char *pts;
assert(p);
assert(ret);
pt = fdisk_partition_get_type(p);
if (!pt)
return -ENXIO;
pts = fdisk_parttype_get_string(pt);
if (!pts)
return -ENXIO;
return sd_id128_from_string(pts, ret);
}
#endif
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