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-rw-r--r--mkfs/Makemodule.am2
-rw-r--r--mkfs/mksquashfs.c46
-rw-r--r--mkfs/mksquashfs.h6
-rw-r--r--mkfs/super.c126
4 files changed, 43 insertions, 137 deletions
diff --git a/mkfs/Makemodule.am b/mkfs/Makemodule.am
index 838b7b9..e5ef93c 100644
--- a/mkfs/Makemodule.am
+++ b/mkfs/Makemodule.am
@@ -1,5 +1,5 @@
mksquashfs_SOURCES = mkfs/mksquashfs.c mkfs/mksquashfs.h mkfs/block.c
-mksquashfs_SOURCES += mkfs/options.c mkfs/super.c
+mksquashfs_SOURCES += mkfs/options.c
mksquashfs_LDADD = libsquashfs.a libfstree.a libcompress.a libutil.a
if WITH_LZMA
diff --git a/mkfs/mksquashfs.c b/mkfs/mksquashfs.c
index 418d669..7503978 100644
--- a/mkfs/mksquashfs.c
+++ b/mkfs/mksquashfs.c
@@ -1,5 +1,6 @@
/* SPDX-License-Identifier: GPL-3.0-or-later */
#include "mksquashfs.h"
+#include "util.h"
static void print_tree(int level, tree_node_t *node)
{
@@ -34,6 +35,41 @@ static void print_tree(int level, tree_node_t *node)
}
}
+static int padd_file(sqfs_info_t *info)
+{
+ size_t padd_sz = info->super.bytes_used % info->opt.devblksz;
+ uint8_t *buffer;
+ ssize_t ret;
+
+ if (padd_sz == 0)
+ return 0;
+
+ padd_sz = info->opt.devblksz - padd_sz;
+
+ buffer = calloc(1, padd_sz);
+ if (buffer == NULL) {
+ perror("padding output file to block size");
+ return -1;
+ }
+
+ ret = write_retry(info->outfd, buffer, padd_sz);
+
+ if (ret < 0) {
+ perror("Error padding squashfs image to page size");
+ free(buffer);
+ return -1;
+ }
+
+ if ((size_t)ret < padd_sz) {
+ fputs("Truncated write trying to padd squashfs image\n",
+ stderr);
+ return -1;
+ }
+
+ free(buffer);
+ return 0;
+}
+
int main(int argc, char **argv)
{
int status = EXIT_FAILURE;
@@ -43,8 +79,10 @@ int main(int argc, char **argv)
process_command_line(&info.opt, argc, argv);
- if (sqfs_super_init(&info) != 0)
+ if (sqfs_super_init(&info.super, info.opt.blksz, info.opt.def_mtime,
+ info.opt.compressor)) {
return EXIT_FAILURE;
+ }
info.outfd = open(info.opt.outfile, info.opt.outmode, 0644);
if (info.outfd < 0) {
@@ -52,7 +90,7 @@ int main(int argc, char **argv)
return EXIT_FAILURE;
}
- if (sqfs_super_write(&info))
+ if (sqfs_super_write(&info.super, info.outfd))
goto out_outfd;
if (fstree_init(&info.fs, info.opt.blksz, info.opt.def_mtime,
@@ -78,10 +116,10 @@ int main(int argc, char **argv)
if (write_data_to_image(&info))
goto out_cmp;
- if (sqfs_super_write(&info))
+ if (sqfs_super_write(&info.super, info.outfd))
goto out_cmp;
- if (sqfs_padd_file(&info))
+ if (padd_file(&info))
goto out_cmp;
status = EXIT_SUCCESS;
diff --git a/mkfs/mksquashfs.h b/mkfs/mksquashfs.h
index a9b163f..2e0183e 100644
--- a/mkfs/mksquashfs.h
+++ b/mkfs/mksquashfs.h
@@ -48,12 +48,6 @@ typedef struct {
void process_command_line(options_t *opt, int argc, char **argv);
-int sqfs_super_init(sqfs_info_t *info);
-
-int sqfs_padd_file(sqfs_info_t *info);
-
-int sqfs_super_write(sqfs_info_t *info);
-
int write_data_to_image(sqfs_info_t *info);
#endif /* MKSQUASHFS_H */
diff --git a/mkfs/super.c b/mkfs/super.c
deleted file mode 100644
index c924b6c..0000000
--- a/mkfs/super.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-#include "mksquashfs.h"
-#include "util.h"
-
-#include <endian.h>
-
-int sqfs_super_init(sqfs_info_t *info)
-{
- unsigned int i;
-
- if (info->opt.blksz & (info->opt.blksz - 1)) {
- fputs("Block size must be a power of 2!\n", stderr);
- return -1;
- }
-
- if (info->opt.blksz < 8192 || info->opt.blksz >= (1 << 24)) {
- fputs("Block size must be between 8k and 1M\n", stderr);
- return -1;
- }
-
- memset(&info->super, 0, sizeof(info->super));
- info->super.magic = SQFS_MAGIC;
- info->super.modification_time = info->opt.def_mtime;
- info->super.block_size = info->opt.blksz;
- info->super.compression_id = info->opt.compressor;
- info->super.flags = SQFS_FLAG_NO_FRAGMENTS | SQFS_FLAG_NO_XATTRS;
- info->super.version_major = SQFS_VERSION_MAJOR;
- info->super.version_minor = SQFS_VERSION_MINOR;
- info->super.bytes_used = sizeof(info->super);
- info->super.id_table_start = 0xFFFFFFFFFFFFFFFFUL;
- info->super.xattr_id_table_start = 0xFFFFFFFFFFFFFFFFUL;
- info->super.inode_table_start = 0xFFFFFFFFFFFFFFFFUL;
- info->super.directory_table_start = 0xFFFFFFFFFFFFFFFFUL;
- info->super.fragment_table_start = 0xFFFFFFFFFFFFFFFFUL;
- info->super.export_table_start = 0xFFFFFFFFFFFFFFFFUL;
-
- for (i = info->opt.blksz; i != 0x01; i >>= 1)
- info->super.block_log += 1;
-
- return 0;
-}
-
-int sqfs_padd_file(sqfs_info_t *info)
-{
- size_t padd_sz = info->super.bytes_used % info->opt.devblksz;
- uint8_t *buffer;
- ssize_t ret;
-
- if (padd_sz == 0)
- return 0;
-
- padd_sz = info->opt.devblksz - padd_sz;
-
- buffer = calloc(1, padd_sz);
- if (buffer == NULL) {
- perror("padding output file to block size");
- return -1;
- }
-
- ret = write_retry(info->outfd, buffer, padd_sz);
-
- if (ret < 0) {
- perror("Error padding squashfs image to page size");
- free(buffer);
- return -1;
- }
-
- if ((size_t)ret < padd_sz) {
- fputs("Truncated write trying to padd squashfs image\n",
- stderr);
- return -1;
- }
-
- free(buffer);
- return 0;
-}
-
-int sqfs_super_write(sqfs_info_t *info)
-{
- sqfs_super_t copy;
- ssize_t ret;
-
- copy.magic = htole32(info->super.magic);
- copy.inode_count = htole32(info->super.inode_count);
- copy.modification_time = htole32(info->super.modification_time);
- copy.block_size = htole32(info->super.block_size);
- copy.fragment_entry_count = htole32(info->super.fragment_entry_count);
- copy.compression_id = htole16(info->super.compression_id);
- copy.block_log = htole16(info->super.block_log);
- copy.flags = htole16(info->super.flags);
- copy.id_count = htole16(info->super.id_count);
- copy.version_major = htole16(info->super.version_major);
- copy.version_minor = htole16(info->super.version_minor);
- copy.root_inode_ref = htole64(info->super.root_inode_ref);
- copy.bytes_used = htole64(info->super.bytes_used);
- copy.id_table_start = htole64(info->super.id_table_start);
- copy.xattr_id_table_start = htole64(info->super.xattr_id_table_start);
- copy.inode_table_start = htole64(info->super.inode_table_start);
- copy.directory_table_start = htole64(info->super.directory_table_start);
- copy.fragment_table_start = htole64(info->super.fragment_table_start);
- copy.export_table_start = htole64(info->super.export_table_start);
-
- if (lseek(info->outfd, 0, SEEK_SET) == (off_t)-1)
- goto fail_seek;
-
- ret = write_retry(info->outfd, &copy, sizeof(copy));
-
- if (ret < 0) {
- perror("squashfs writing super block");
- return -1;
- }
-
- if ((size_t)ret < sizeof(copy)) {
- fputs("squashfs writing super block: truncated write\n",
- stderr);
- return -1;
- }
-
- if (lseek(info->outfd, 0, SEEK_END) == (off_t)-1)
- goto fail_seek;
-
- return 0;
-fail_seek:
- perror("squashfs writing super block: seek on output file");
- return -1;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 05:50:41 +0000