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Diffstat (limited to 'src/shared/dissect-image.h')
| -rw-r--r-- | src/shared/dissect-image.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/shared/dissect-image.h b/src/shared/dissect-image.h new file mode 100644 index 0000000000..04b19e8553 --- /dev/null +++ b/src/shared/dissect-image.h @@ -0,0 +1,66 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2016 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <stdbool.h> + +#include "macro.h" + +typedef struct DissectedImage DissectedImage; +typedef struct DissectedPartition DissectedPartition; + +struct DissectedPartition { + bool found:1; + bool rw:1; + int partno; /* -1 if there was no partition and the images contains a file system directly */ + int architecture; /* Intended architecture: either native, secondary or unset (-1). */ + char *fstype; + char *node; +}; + +enum { + PARTITION_ROOT, + PARTITION_ROOT_SECONDARY, /* Secondary architecture */ + PARTITION_HOME, + PARTITION_SRV, + PARTITION_ESP, + PARTITION_SWAP, + _PARTITION_DESIGNATOR_MAX, + _PARTITION_DESIGNATOR_INVALID = -1 +}; + +typedef enum DissectedImageMountFlags { + DISSECTED_IMAGE_READ_ONLY = 1, + DISSECTED_IMAGE_DISCARD_ON_LOOP = 2, /* Turn on "discard" if on loop device and file system supports it */ +} DissectedImageMountFlags; + +struct DissectedImage { + DissectedPartition partitions[_PARTITION_DESIGNATOR_MAX]; +}; + +int dissect_image(int fd, DissectedImage **ret); + +DissectedImage* dissected_image_unref(DissectedImage *m); +DEFINE_TRIVIAL_CLEANUP_FUNC(DissectedImage*, dissected_image_unref); + +int dissected_image_mount(DissectedImage *m, const char *dest, DissectedImageMountFlags flags); + +const char* partition_designator_to_string(int i) _const_; +int partition_designator_from_string(const char *name) _pure_; |
