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fsmitm_romfsbuild: Replace manual value aligning with Common::AlignUp() 

Theres no need to do explicit bitwise arithmetic here, when we have a
function that does this with a more descriptive name.
This commit is contained in:
Lioncash 2018-09-26 17:00:41 -04:00
parent c0445006af
commit 7ecdaaf189
1 changed files with 11 additions and 12 deletions
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23
src/core/file_sys/fsmitm_romfsbuild.cpp
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@ -23,6 +23,7 @@
*/
#include <cstring>
#include "common/alignment.h"
#include "common/assert.h"
#include "core/file_sys/fsmitm_romfsbuild.h"
#include "core/file_sys/vfs.h"
@ -182,7 +183,7 @@ bool RomFSBuildContext::AddDirectory(std::shared_ptr<RomFSBuildDirectoryContext>
// Add a new directory.
num_dirs++;
dir_table_size +=
sizeof(RomFSDirectoryEntry) + ((dir_ctx->path_len - dir_ctx->cur_path_ofs + 3) & ~3);
sizeof(RomFSDirectoryEntry) + Common::AlignUp(dir_ctx->path_len - dir_ctx->cur_path_ofs, 4);
dir_ctx->parent = parent_dir_ctx;
directories.emplace(dir_ctx->path, dir_ctx);
@ -200,7 +201,7 @@ bool RomFSBuildContext::AddFile(std::shared_ptr<RomFSBuildDirectoryContext> pare
// Add a new file.
num_files++;
file_table_size +=
sizeof(RomFSFileEntry) + ((file_ctx->path_len - file_ctx->cur_path_ofs + 3) & ~3);
sizeof(RomFSFileEntry) + Common::AlignUp(file_ctx->path_len - file_ctx->cur_path_ofs, 4);
file_ctx->parent = parent_dir_ctx;
files.emplace(file_ctx->path, file_ctx);
@ -241,12 +242,12 @@ std::map<u64, VirtualFile> RomFSBuildContext::Build() {
std::shared_ptr<RomFSBuildFileContext> prev_file = nullptr;
for (const auto& it : files) {
cur_file = it.second;
file_partition_size = (file_partition_size + 0xFULL) & ~0xFULL;
file_partition_size = Common::AlignUp(file_partition_size, 16);
cur_file->offset = file_partition_size;
file_partition_size += cur_file->size;
cur_file->entry_offset = entry_offset;
entry_offset +=
sizeof(RomFSFileEntry) + ((cur_file->path_len - cur_file->cur_path_ofs + 3) & ~3);
entry_offset += sizeof(RomFSFileEntry) +
Common::AlignUp(cur_file->path_len - cur_file->cur_path_ofs, 4);
prev_file = cur_file;
}
// Assign deferred parent/sibling ownership.
@ -263,8 +264,8 @@ std::map<u64, VirtualFile> RomFSBuildContext::Build() {
for (const auto& it : directories) {
cur_dir = it.second;
cur_dir->entry_offset = entry_offset;
entry_offset +=
sizeof(RomFSDirectoryEntry) + ((cur_dir->path_len - cur_dir->cur_path_ofs + 3) & ~3);
entry_offset += sizeof(RomFSDirectoryEntry) +
Common::AlignUp(cur_dir->path_len - cur_dir->cur_path_ofs, 4);
}
// Assign deferred parent/sibling ownership.
for (auto it = directories.rbegin(); it->second != root; ++it) {
@ -297,7 +298,7 @@ std::map<u64, VirtualFile> RomFSBuildContext::Build() {
out.emplace(cur_file->offset + ROMFS_FILEPARTITION_OFS, cur_file->source);
std::memcpy(file_table.data() + cur_file->entry_offset, &cur_entry, sizeof(RomFSFileEntry));
std::memset(file_table.data() + cur_file->entry_offset + sizeof(RomFSFileEntry), 0,
(cur_entry.name_size + 3) & ~3);
Common::AlignUp(cur_entry.name_size, 4));
std::memcpy(file_table.data() + cur_file->entry_offset + sizeof(RomFSFileEntry),
cur_file->path.data() + cur_file->cur_path_ofs, name_size);
}
@ -322,12 +323,10 @@ std::map<u64, VirtualFile> RomFSBuildContext::Build() {
cur_entry.name_size = name_size;
std::memcpy(dir_table.data() + cur_dir->entry_offset, &cur_entry,
sizeof(RomFSDirectoryEntry));
std::memcpy(dir_table.data() + cur_dir->entry_offset, &cur_entry,
sizeof(RomFSDirectoryEntry));
std::memset(dir_table.data() + cur_dir->entry_offset + sizeof(RomFSDirectoryEntry), 0,
(cur_entry.name_size + 3) & ~3);
Common::AlignUp(cur_entry.name_size, 4));
std::memcpy(dir_table.data() + cur_dir->entry_offset + sizeof(RomFSDirectoryEntry),
cur_dir->path.data() + cur_dir->cur_path_ofs, name_size);
}
@ -339,7 +338,7 @@ std::map<u64, VirtualFile> RomFSBuildContext::Build() {
header.dir_hash_table_size = dir_hash_table_size;
header.dir_table_size = dir_table_size;
header.file_partition_ofs = ROMFS_FILEPARTITION_OFS;
header.dir_hash_table_ofs = (header.file_partition_ofs + file_partition_size + 3ULL) & ~3ULL;
header.dir_hash_table_ofs = Common::AlignUp(header.file_partition_ofs + file_partition_size, 4);
header.dir_table_ofs = header.dir_hash_table_ofs + header.dir_hash_table_size;
header.file_hash_table_ofs = header.dir_table_ofs + header.dir_table_size;
header.file_table_ofs = header.file_hash_table_ofs + header.file_hash_table_size;