diff options
Diffstat (limited to 'src/lib/util/chd.h')
-rw-r--r-- | src/lib/util/chd.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/lib/util/chd.h b/src/lib/util/chd.h index ecf9ae6fb7d..9ea40bb9136 100644 --- a/src/lib/util/chd.h +++ b/src/lib/util/chd.h @@ -2,8 +2,6 @@ // copyright-holders:Aaron Giles /*************************************************************************** - chd.h - MAME Compressed Hunks of Data file format ***************************************************************************/ @@ -374,10 +372,10 @@ private: // inline helpers util::sha1_t be_read_sha1(const uint8_t *base) const noexcept; void be_write_sha1(uint8_t *base, util::sha1_t value) noexcept; - void file_read(uint64_t offset, void *dest, uint32_t length) const; - void file_write(uint64_t offset, const void *source, uint32_t length); + std::error_condition file_read(uint64_t offset, void *dest, uint32_t length) const noexcept; + std::error_condition file_write(uint64_t offset, const void *source, uint32_t length) noexcept; uint64_t file_append(const void *source, uint32_t length, uint32_t alignment = 0); - uint8_t bits_for_value(uint64_t value); + static uint8_t bits_for_value(uint64_t value) noexcept; // internal helpers uint32_t guess_unitbytes(); @@ -389,12 +387,12 @@ private: std::error_condition create_common(); std::error_condition open_common(bool writeable, const open_parent_func &open_parent); void create_open_common(); - void verify_proper_compression_append(uint32_t hunknum); + std::error_condition verify_proper_compression_append(uint32_t hunknum) const noexcept; void hunk_write_compressed(uint32_t hunknum, int8_t compression, const uint8_t *compressed, uint32_t complength, util::crc16_t crc16); void hunk_copy_from_self(uint32_t hunknum, uint32_t otherhunk); void hunk_copy_from_parent(uint32_t hunknum, uint64_t parentunit); std::error_condition metadata_find(chd_metadata_tag metatag, int32_t metaindex, metadata_entry &metaentry, bool resume = false) const noexcept; - void metadata_set_previous_next(uint64_t prevoffset, uint64_t nextoffset); + std::error_condition metadata_set_previous_next(uint64_t prevoffset, uint64_t nextoffset) noexcept; void metadata_update_hash(); static int CLIB_DECL metadata_hash_compare(const void *elem1, const void *elem2); |