diff options
Diffstat (limited to 'src/core/hle/service/time/time_zone_manager.cpp')
| -rw-r--r-- | src/core/hle/service/time/time_zone_manager.cpp | 118 |
1 files changed, 64 insertions, 54 deletions
diff --git a/src/core/hle/service/time/time_zone_manager.cpp b/src/core/hle/service/time/time_zone_manager.cpp index bdf0439f2..df0ed924d 100644 --- a/src/core/hle/service/time/time_zone_manager.cpp +++ b/src/core/hle/service/time/time_zone_manager.cpp @@ -117,7 +117,8 @@ static constexpr int GetMonthLength(bool is_leap_year, int month) { constexpr std::array<int, 12> month_lengths{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; constexpr std::array<int, 12> month_lengths_leap{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; - return is_leap_year ? month_lengths_leap[month] : month_lengths[month]; + const auto month_index = static_cast<u32>(month); + return is_leap_year ? month_lengths_leap[month_index] : month_lengths[month_index]; } static constexpr bool IsDigit(char value) { @@ -320,7 +321,7 @@ static bool ParsePosixName(const char* name, TimeZoneRule& rule) { int dest_len{}; int dest_offset{}; const char* dest_name{name + offset}; - if (rule.chars.size() < std::size_t(char_count)) { + if (rule.chars.size() < static_cast<std::size_t>(char_count)) { return {}; } @@ -343,7 +344,7 @@ static bool ParsePosixName(const char* name, TimeZoneRule& rule) { return {}; } char_count += dest_len + 1; - if (rule.chars.size() < std::size_t(char_count)) { + if (rule.chars.size() < static_cast<std::size_t>(char_count)) { return {}; } if (name[offset] != '\0' && name[offset] != ',' && name[offset] != ';') { @@ -386,7 +387,7 @@ static bool ParsePosixName(const char* name, TimeZoneRule& rule) { rule.default_type = 0; s64 jan_first{}; - int time_count{}; + u32 time_count{}; int jan_offset{}; int year_beginning{epoch_year}; do { @@ -414,7 +415,7 @@ static bool ParsePosixName(const char* name, TimeZoneRule& rule) { if (is_reversed || (start_time < end_time && (end_time - start_time < (year_seconds + (std_offset - dest_offset))))) { - if (rule.ats.size() - 2 < std::size_t(time_count)) { + if (rule.ats.size() - 2 < time_count) { break; } @@ -438,7 +439,7 @@ static bool ParsePosixName(const char* name, TimeZoneRule& rule) { } jan_offset = 0; } - rule.time_count = time_count; + rule.time_count = static_cast<s32>(time_count); if (time_count == 0) { rule.type_count = 1; } else if (years_per_repeat < year - year_beginning) { @@ -451,26 +452,30 @@ static bool ParsePosixName(const char* name, TimeZoneRule& rule) { } s64 their_std_offset{}; - for (int index{}; index < rule.time_count; ++index) { + for (u32 index = 0; index < static_cast<u32>(rule.time_count); ++index) { const s8 type{rule.types[index]}; - if (rule.ttis[type].is_standard_time_daylight) { - their_std_offset = -rule.ttis[type].gmt_offset; + const auto& tti = rule.ttis[static_cast<u8>(type)]; + + if (tti.is_standard_time_daylight) { + their_std_offset = -tti.gmt_offset; } } s64 their_offset{their_std_offset}; - for (int index{}; index < rule.time_count; ++index) { + for (u32 index = 0; index < static_cast<u32>(rule.time_count); ++index) { const s8 type{rule.types[index]}; - rule.types[index] = rule.ttis[type].is_dst ? 1 : 0; - if (!rule.ttis[type].is_gmt) { - if (!rule.ttis[type].is_standard_time_daylight) { + const auto& tti = rule.ttis[static_cast<u8>(type)]; + + rule.types[index] = tti.is_dst ? 1 : 0; + if (!tti.is_gmt) { + if (!tti.is_standard_time_daylight) { rule.ats[index] += dest_offset - their_std_offset; } else { rule.ats[index] += std_offset - their_std_offset; } } - their_offset = -rule.ttis[type].gmt_offset; - if (!rule.ttis[type].is_dst) { + their_offset = -tti.gmt_offset; + if (!tti.is_dst) { their_std_offset = their_offset; } } @@ -494,16 +499,16 @@ static bool ParsePosixName(const char* name, TimeZoneRule& rule) { } rule.char_count = char_count; - for (int index{}; index < std_len; ++index) { + for (std::size_t index = 0; index < static_cast<std::size_t>(std_len); ++index) { rule.chars[index] = std_name[index]; } - rule.chars[std_len++] = '\0'; + rule.chars[static_cast<size_t>(std_len++)] = '\0'; if (dest_len != 0) { - for (int index{}; index < dest_len; ++index) { - rule.chars[std_len + index] = dest_name[index]; + for (int index = 0; index < dest_len; ++index) { + rule.chars[static_cast<std::size_t>(std_len + index)] = dest_name[index]; } - rule.chars[std_len + dest_len] = '\0'; + rule.chars[static_cast<std::size_t>(std_len + dest_len)] = '\0'; } return true; @@ -531,33 +536,33 @@ static bool ParseTimeZoneBinary(TimeZoneRule& time_zone_rule, FileSys::VirtualFi int time_count{}; u64 read_offset = sizeof(TzifHeader); - for (int index{}; index < time_zone_rule.time_count; ++index) { + for (size_t index = 0; index < static_cast<size_t>(time_zone_rule.time_count); ++index) { s64_be at{}; vfs_file->ReadObject<s64_be>(&at, read_offset); time_zone_rule.types[index] = 1; - if (time_count != 0 && at <= time_zone_rule.ats[time_count - 1]) { - if (at < time_zone_rule.ats[time_count - 1]) { + if (time_count != 0 && at <= time_zone_rule.ats[static_cast<size_t>(time_count) - 1]) { + if (at < time_zone_rule.ats[static_cast<size_t>(time_count) - 1]) { return {}; } time_zone_rule.types[index - 1] = 0; time_count--; } - time_zone_rule.ats[time_count++] = at; + time_zone_rule.ats[static_cast<size_t>(time_count++)] = at; read_offset += sizeof(s64_be); } time_count = 0; - for (int index{}; index < time_zone_rule.time_count; ++index) { - const u8 type{*vfs_file->ReadByte(read_offset)}; - read_offset += sizeof(u8); + for (size_t index = 0; index < static_cast<size_t>(time_zone_rule.time_count); ++index) { + const auto type{static_cast<s8>(*vfs_file->ReadByte(read_offset))}; + read_offset += sizeof(s8); if (time_zone_rule.time_count <= type) { return {}; } if (time_zone_rule.types[index] != 0) { - time_zone_rule.types[time_count++] = type; + time_zone_rule.types[static_cast<size_t>(time_count++)] = type; } } time_zone_rule.time_count = time_count; - for (int index{}; index < time_zone_rule.type_count; ++index) { + for (size_t index = 0; index < static_cast<size_t>(time_zone_rule.type_count); ++index) { TimeTypeInfo& ttis{time_zone_rule.ttis[index]}; u32_be gmt_offset{}; vfs_file->ReadObject<u32_be>(&gmt_offset, read_offset); @@ -579,10 +584,11 @@ static bool ParseTimeZoneBinary(TimeZoneRule& time_zone_rule, FileSys::VirtualFi ttis.abbreviation_list_index = abbreviation_list_index; } - vfs_file->ReadArray(time_zone_rule.chars.data(), time_zone_rule.char_count, read_offset); - time_zone_rule.chars[time_zone_rule.char_count] = '\0'; - read_offset += time_zone_rule.char_count; - for (int index{}; index < time_zone_rule.type_count; ++index) { + vfs_file->ReadArray(time_zone_rule.chars.data(), static_cast<u32>(time_zone_rule.char_count), + read_offset); + time_zone_rule.chars[static_cast<u32>(time_zone_rule.char_count)] = '\0'; + read_offset += static_cast<u64>(time_zone_rule.char_count); + for (size_t index = 0; index < static_cast<size_t>(time_zone_rule.type_count); ++index) { if (header.ttis_std_count == 0) { time_zone_rule.ttis[index].is_standard_time_daylight = false; } else { @@ -595,7 +601,7 @@ static bool ParseTimeZoneBinary(TimeZoneRule& time_zone_rule, FileSys::VirtualFi } } - for (int index{}; index < time_zone_rule.type_count; ++index) { + for (size_t index = 0; index < static_cast<size_t>(time_zone_rule.type_count); ++index) { if (header.ttis_std_count == 0) { time_zone_rule.ttis[index].is_gmt = false; } else { @@ -619,13 +625,14 @@ static bool ParseTimeZoneBinary(TimeZoneRule& time_zone_rule, FileSys::VirtualFi } std::array<char, time_zone_name_max + 1> temp_name{}; - vfs_file->ReadArray(temp_name.data(), bytes_read, read_offset); - if (bytes_read > 2 && temp_name[0] == '\n' && temp_name[bytes_read - 1] == '\n' && - std::size_t(time_zone_rule.type_count) + 2 <= time_zone_rule.ttis.size()) { - temp_name[bytes_read - 1] = '\0'; + vfs_file->ReadArray(temp_name.data(), static_cast<size_t>(bytes_read), read_offset); + if (bytes_read > 2 && temp_name[0] == '\n' && + temp_name[static_cast<u64>(bytes_read - 1)] == '\n' && + static_cast<std::size_t>(time_zone_rule.type_count) + 2 <= time_zone_rule.ttis.size()) { + temp_name[static_cast<u64>(bytes_read - 1)] = '\0'; std::array<char, time_zone_name_max> name{}; - std::memcpy(name.data(), temp_name.data() + 1, std::size_t(bytes_read - 1)); + std::memcpy(name.data(), temp_name.data() + 1, static_cast<std::size_t>(bytes_read - 1)); TimeZoneRule temp_rule; if (ParsePosixName(name.data(), temp_rule)) { @@ -642,24 +649,24 @@ static bool ParseTimeZoneBinary(TimeZoneRule& time_zone_rule, FileSys::VirtualFi s32 default_type{}; for (default_type = 0; default_type < time_zone_rule.time_count; default_type++) { - if (time_zone_rule.types[default_type] == 0) { + if (time_zone_rule.types[static_cast<u32>(default_type)] == 0) { break; } } default_type = default_type < time_zone_rule.time_count ? -1 : 0; if (default_type < 0 && time_zone_rule.time_count > 0 && - time_zone_rule.ttis[time_zone_rule.types[0]].is_dst) { + time_zone_rule.ttis[static_cast<u8>(time_zone_rule.types[0])].is_dst) { default_type = time_zone_rule.types[0]; while (--default_type >= 0) { - if (!time_zone_rule.ttis[default_type].is_dst) { + if (!time_zone_rule.ttis[static_cast<u32>(default_type)].is_dst) { break; } } } if (default_type < 0) { default_type = 0; - while (time_zone_rule.ttis[default_type].is_dst) { + while (time_zone_rule.ttis[static_cast<u32>(default_type)].is_dst) { if (++default_type >= time_zone_rule.type_count) { default_type = 0; break; @@ -749,12 +756,12 @@ static ResultCode ToCalendarTimeInternal(const TimeZoneRule& rules, s64 time, CalendarTimeInternal& calendar_time, CalendarAdditionalInfo& calendar_additional_info) { if ((rules.go_ahead && time < rules.ats[0]) || - (rules.go_back && time > rules.ats[rules.time_count - 1])) { + (rules.go_back && time > rules.ats[static_cast<size_t>(rules.time_count - 1)])) { s64 seconds{}; if (time < rules.ats[0]) { seconds = rules.ats[0] - time; } else { - seconds = time - rules.ats[rules.time_count - 1]; + seconds = time - rules.ats[static_cast<size_t>(rules.time_count - 1)]; } seconds--; @@ -767,7 +774,8 @@ static ResultCode ToCalendarTimeInternal(const TimeZoneRule& rules, s64 time, } else { new_time -= seconds; } - if (new_time < rules.ats[0] && new_time > rules.ats[rules.time_count - 1]) { + if (new_time < rules.ats[0] && + new_time > rules.ats[static_cast<size_t>(rules.time_count - 1)]) { return ERROR_TIME_NOT_FOUND; } if (const ResultCode result{ @@ -791,25 +799,27 @@ static ResultCode ToCalendarTimeInternal(const TimeZoneRule& rules, s64 time, s32 low{1}; s32 high{rules.time_count}; while (low < high) { - s32 mid{(low + high) >> 1}; - if (time < rules.ats[mid]) { + const s32 mid{(low + high) >> 1}; + if (time < rules.ats[static_cast<size_t>(mid)]) { high = mid; } else { low = mid + 1; } } - tti_index = rules.types[low - 1]; + tti_index = rules.types[static_cast<size_t>(low - 1)]; } - if (const ResultCode result{CreateCalendarTime(time, rules.ttis[tti_index].gmt_offset, - calendar_time, calendar_additional_info)}; + if (const ResultCode result{ + CreateCalendarTime(time, rules.ttis[static_cast<u32>(tti_index)].gmt_offset, + calendar_time, calendar_additional_info)}; result != RESULT_SUCCESS) { return result; } - calendar_additional_info.is_dst = rules.ttis[tti_index].is_dst; - const char* time_zone{&rules.chars[rules.ttis[tti_index].abbreviation_list_index]}; - for (int index{}; time_zone[index] != '\0'; ++index) { + const auto& tti = rules.ttis[static_cast<size_t>(tti_index)]; + calendar_additional_info.is_dst = tti.is_dst; + const char* time_zone{&rules.chars[static_cast<size_t>(tti.abbreviation_list_index)]}; + for (size_t index = 0; time_zone[index] != '\0'; ++index) { calendar_additional_info.timezone_name[index] = time_zone[index]; } return RESULT_SUCCESS; |