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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-08 14:53:30 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-08 14:53:30 +0200
commit3a851dfe87c88ac1d4dddc2a26cc48b037f852f9 (patch)
treea8a8f34291aa58b25737088d247a91a7f60b4fec /lib/sqfshelper/write_xattr.c
parent60064dd0412a149fe00cfc4e2f2361c22656db57 (diff)
Replace direct file I/O with abstraction layer
This should make it easier to use libsquashfs with custom setups that embedd a squashfs image inside something else. Also, it should make it easier to port to non unix-like platforms. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfshelper/write_xattr.c')
-rw-r--r--lib/sqfshelper/write_xattr.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/sqfshelper/write_xattr.c b/lib/sqfshelper/write_xattr.c
index 6f71eeb..c4fb86e 100644
--- a/lib/sqfshelper/write_xattr.c
+++ b/lib/sqfshelper/write_xattr.c
@@ -167,7 +167,7 @@ static uint64_t *create_ool_locations_table(fstree_t *fs)
return table;
}
-int write_xattr(int outfd, fstree_t *fs, sqfs_super_t *super,
+int write_xattr(sqfs_file_t *file, fstree_t *fs, sqfs_super_t *super,
sqfs_compressor_t *cmp)
{
uint64_t kv_start, id_start, block, *tbl, *ool_locations;
@@ -185,7 +185,7 @@ int write_xattr(int outfd, fstree_t *fs, sqfs_super_t *super,
if (ool_locations == NULL)
return -1;
- mw = sqfs_meta_writer_create(outfd, cmp, false);
+ mw = sqfs_meta_writer_create(file, cmp, false);
if (mw == NULL)
goto fail_ool;
@@ -254,11 +254,14 @@ int write_xattr(int outfd, fstree_t *fs, sqfs_super_t *super,
idtbl.xattr_ids = htole32(count);
idtbl.unused = 0;
- if (write_data("writing xattr ID table", outfd, &idtbl, sizeof(idtbl)))
+ if (file->write_at(file, file->get_size(file), &idtbl, sizeof(idtbl))) {
+ perror("writing xattr ID table");
goto fail_tbl;
+ }
- if (write_data("writing xattr ID table",
- outfd, tbl, sizeof(tbl[0]) * blocks)) {
+ if (file->write_at(file, file->get_size(file),
+ tbl, sizeof(tbl[0]) * blocks)) {
+ perror("writing xattr ID table");
goto fail_tbl;
}