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pkg2sqfs: move some functions to more approrpiate places

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Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
This commit is contained in:
David Oberhollenzer 2019-04-17 12:21:08 +02:00
parent 025ab1007b
commit eadeee25d9
6 changed files with 57 additions and 62 deletions
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10
sqfs/block.c
View file

@ -200,13 +200,3 @@ fail_trunc:
pkg_reader_get_filename(info->rd)); pkg_reader_get_filename(info->rd));
return -1; return -1;
} }
int sqfs_write_fragment_table(sqfs_info_t *info)
{
info->super.fragment_entry_count = info->num_fragments;
return sqfs_write_table(info, info->fragments,
sizeof(info->fragments[0]),
info->num_fragments,
&info->super.fragment_table_start);
}

9
sqfs/meta.c
View file

@ -294,12 +294,3 @@ fail_tmp:
fclose(tmp); fclose(tmp);
return -1; return -1;
} }
int sqfs_write_ids(sqfs_info_t *info)
{
info->super.flags |= SQFS_FLAG_UNCOMPRESSED_IDS;
return sqfs_write_table(info, info->fs.id_tbl,
sizeof(info->fs.id_tbl[0]),
info->fs.num_ids, &info->super.id_table_start);
}

36
sqfs/pkg2sqfs.c
View file

@ -99,6 +99,42 @@ static long read_number(const char *name, const char *str, long min, long max)
return result; return result;
} }
static int sqfs_padd_file(sqfs_info_t *info)
{
size_t padd_sz = info->super.bytes_used % info->dev_blk_size;
uint8_t *buffer;
ssize_t ret;
off_t off;
if (padd_sz == 0)
return 0;
off = lseek(info->outfd, 0, SEEK_END);
if (off == (off_t)-1) {
perror("seek on output file");
return -1;
}
padd_sz = info->dev_blk_size - padd_sz;
buffer = alloca(padd_sz);
memset(buffer, 0, padd_sz);
ret = write_retry(info->outfd, buffer, padd_sz);
if (ret < 0) {
perror("Error padding squashfs image to page size");
return -1;
}
if (ret == 0) {
fputs("Truncated write trying to padd squashfs image\n",
stderr);
return -1;
}
return 0;
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
uint32_t blocksize = SQFS_DEFAULT_BLOCK_SIZE, timestamp = 0; uint32_t blocksize = SQFS_DEFAULT_BLOCK_SIZE, timestamp = 0;

5
sqfs/pkg2sqfs.h
View file

@ -133,9 +133,4 @@ int meta_writer_flush(meta_writer_t *m);
int meta_writer_append(meta_writer_t *m, const void *data, size_t size); int meta_writer_append(meta_writer_t *m, const void *data, size_t size);
int sqfs_write_table(sqfs_info_t *info, const void *data, size_t entsize,
size_t count, uint64_t *start);
int sqfs_padd_file(sqfs_info_t *info);
#endif /* PKG2SQFS_H */ #endif /* PKG2SQFS_H */

36
sqfs/super.c
View file

@ -97,39 +97,3 @@ int sqfs_super_write(sqfs_info_t *info)
return 0; return 0;
} }
int sqfs_padd_file(sqfs_info_t *info)
{
size_t padd_sz = info->super.bytes_used % info->dev_blk_size;
uint8_t *buffer;
ssize_t ret;
off_t off;
if (padd_sz == 0)
return 0;
off = lseek(info->outfd, 0, SEEK_END);
if (off == (off_t)-1) {
perror("seek on output file");
return -1;
}
padd_sz = info->dev_blk_size - padd_sz;
buffer = alloca(padd_sz);
memset(buffer, 0, padd_sz);
ret = write_retry(info->outfd, buffer, padd_sz);
if (ret < 0) {
perror("Error padding squashfs image to page size");
return -1;
}
if (ret == 0) {
fputs("Truncated write trying to padd squashfs image\n",
stderr);
return -1;
}
return 0;
}

23
sqfs/table.c
View file

@ -1,8 +1,8 @@
/* SPDX-License-Identifier: ISC */ /* SPDX-License-Identifier: ISC */
#include "pkg2sqfs.h" #include "pkg2sqfs.h"
int sqfs_write_table(sqfs_info_t *info, const void *data, size_t entsize, static int sqfs_write_table(sqfs_info_t *info, const void *data,
size_t count, uint64_t *startblock) size_t entsize, size_t count, uint64_t *startblock)
{ {
size_t ent_per_blocks = SQFS_META_BLOCK_SIZE / entsize; size_t ent_per_blocks = SQFS_META_BLOCK_SIZE / entsize;
uint64_t blocks[count / ent_per_blocks + 1]; uint64_t blocks[count / ent_per_blocks + 1];
@ -56,3 +56,22 @@ fail:
meta_writer_destroy(m); meta_writer_destroy(m);
return -1; return -1;
} }
int sqfs_write_fragment_table(sqfs_info_t *info)
{
info->super.fragment_entry_count = info->num_fragments;
return sqfs_write_table(info, info->fragments,
sizeof(info->fragments[0]),
info->num_fragments,
&info->super.fragment_table_start);
}
int sqfs_write_ids(sqfs_info_t *info)
{
info->super.flags |= SQFS_FLAG_UNCOMPRESSED_IDS;
return sqfs_write_table(info, info->fs.id_tbl,
sizeof(info->fs.id_tbl[0]),
info->fs.num_ids, &info->super.id_table_start);
}