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fsmitm_romfsbuild: Avoid type truncation warnings 

Cast where explicitly necessary and in other cases we can simply modify
the algorithm to accomodate larger data.
This commit is contained in:
Lioncash 2018-09-25 18:25:10 -04:00
parent 91b56c4928
commit 4654f89618
1 changed files with 10 additions and 7 deletions
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17
src/core/file_sys/fsmitm_romfsbuild.cpp
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@ -105,13 +105,16 @@ static u32 romfs_calc_path_hash(u32 parent, std::string path, u32 start, std::si
return hash; return hash;
} }
static u32 romfs_get_hash_table_count(u32 num_entries) { static u64 romfs_get_hash_table_count(u64 num_entries) {
if (num_entries < 3) { if (num_entries < 3) {
return 3; return 3;
} else if (num_entries < 19) { }
if (num_entries < 19) {
return num_entries | 1; return num_entries | 1;
} }
u32 count = num_entries;
u64 count = num_entries;
while (count % 2 == 0 || count % 3 == 0 || count % 5 == 0 || count % 7 == 0 || while (count % 2 == 0 || count % 3 == 0 || count % 5 == 0 || count % 7 == 0 ||
count % 11 == 0 || count % 13 == 0 || count % 17 == 0) { count % 11 == 0 || count % 13 == 0 || count % 17 == 0) {
count++; count++;
@ -137,7 +140,7 @@ void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
const auto child = std::make_shared<RomFSBuildDirectoryContext>(); const auto child = std::make_shared<RomFSBuildDirectoryContext>();
// Set child's path. // Set child's path.
child->cur_path_ofs = parent->path_len + 1; child->cur_path_ofs = parent->path_len + 1;
child->path_len = child->cur_path_ofs + kv.first.size(); child->path_len = child->cur_path_ofs + static_cast<u32>(kv.first.size());
child->path = parent->path + "/" + kv.first; child->path = parent->path + "/" + kv.first;
// Sanity check on path_len // Sanity check on path_len
@ -150,7 +153,7 @@ void RomFSBuildContext::VisitDirectory(VirtualDir root_romfs,
const auto child = std::make_shared<RomFSBuildFileContext>(); const auto child = std::make_shared<RomFSBuildFileContext>();
// Set child's path. // Set child's path.
child->cur_path_ofs = parent->path_len + 1; child->cur_path_ofs = parent->path_len + 1;
child->path_len = child->cur_path_ofs + kv.first.size(); child->path_len = child->cur_path_ofs + static_cast<u32>(kv.first.size());
child->path = parent->path + "/" + kv.first; child->path = parent->path + "/" + kv.first;
// Sanity check on path_len // Sanity check on path_len
@ -217,8 +220,8 @@ RomFSBuildContext::RomFSBuildContext(VirtualDir base_) : base(std::move(base_))
RomFSBuildContext::~RomFSBuildContext() = default; RomFSBuildContext::~RomFSBuildContext() = default;
std::map<u64, VirtualFile> RomFSBuildContext::Build() { std::map<u64, VirtualFile> RomFSBuildContext::Build() {
const auto dir_hash_table_entry_count = romfs_get_hash_table_count(num_dirs); const u64 dir_hash_table_entry_count = romfs_get_hash_table_count(num_dirs);
const auto file_hash_table_entry_count = romfs_get_hash_table_count(num_files); const u64 file_hash_table_entry_count = romfs_get_hash_table_count(num_files);
dir_hash_table_size = 4 * dir_hash_table_entry_count; dir_hash_table_size = 4 * dir_hash_table_entry_count;
file_hash_table_size = 4 * file_hash_table_entry_count; file_hash_table_size = 4 * file_hash_table_entry_count;