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