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316 lines
14 KiB
Markdown
316 lines
14 KiB
Markdown
## 1.4.2 - 2019-11-02
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* The 1.4.0 release introduced a change that increased the size of `MMDB_s`,
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unintentionally causing an ABI break. This release reverts the relevant
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commit.
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## 1.4.1 - 2019-11-01
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* The man page links for function calls were not generated correctly in
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1.4.0. This has been corrected.
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## 1.4.0 - 2019-11-01
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* A negative array index may now be used with `MMDB_get_value`,
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`MMDB_vget_value`, and `MMDB_aget_value`. This specifies the element
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from the end of the array. For instance, `-1` would refer to the
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last element of the array. PR by Kyle Box. GitHub #205.
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* On Windows, the file name passed to `MMDB_open` is now expected to be
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UTF-8 encoded. This allows Unicode characters to be used in file names.
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As part of this change, `mmdblookup` on Windows now converts its
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arguments to UTF-8. PR by Gerald Combs. GitHub #189 & #191.
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* Fix a memory leak that occurred when freeing an `MMDB_s` where the
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database had no languages defined in the metadata. If you are using an
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official MaxMind database, this leak does not affect you. Pull request
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by Kókai Péter. GitHub #180.
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* Add `--disable-binaries` option to `configure`. Pull request by Fabrice
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Fontaine. GitHub #166.
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* Previous releases incorrectly included `*.Po` files in the `t` directory.
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This has been corrected. Reported by Daniel Macks. GitHub #168.
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* The internal use of the `MMDB_s` now has the `const` modifier. Public
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functions that accepted an `MMDB_s` as an argument now also declare it as
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`const`. Pull request by Kurt Johnson. GitHub #199.
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* `mmdblookup` now displays the prefix length for the record when using
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the verbose flag. GitHub #172.
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## 1.3.2 - 2018-01-17
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* Allocate memory for `MMDB_entry_data_list_s` structs in separate chunks
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rather than one large chunk. This simplifies accessing memory in
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`MMDB_get_entry_data_list()` and increases performance. It builds on the
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changes in 1.3.0 and 1.3.1.
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* We no longer export `data_pool_*` symbols. These are internal functions
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but we were previously exporting them. Pull request by Faidon Liambotis.
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GitHub #162.
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* Build with POSIX.1-2008 by default if the system supports it. This allows
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use of `open()` with `O_CLOEXEC`. We retain support for systems that
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provide only POSIX.1-2001.
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* Open the database with the `O_CLOEXEC` flag if the system provides it.
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This avoids cases where we could leak fds when called in multi-threaded
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programs that `fork()` and `exec()`. Original report and PR by Brandon L
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Black.
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* Added a test to ensure we export only intended symbols (e.g. MMDB_*).
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## 1.3.1 - 2017-11-24
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* Fix build problems related to `rpl_malloc()`. Pull request by Rainer
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Gerhards. GitHub #152.
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* Fix a race to set and read data in a field on the `MMDB_s` struct
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(`ipv4_start_node`). GitHub #153.
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* Fix cases of invalid memory access when using
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`MMDB_get_entry_data_list()`. This was introduced in 1.3.0 and occurred
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when performing large lookups. GitHub #153.
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## 1.3.0 - 2017-11-10
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* Perform fewer memory allocations in `MMDB_get_entry_data_list()`. This
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significantly improves its performance. GitHub #147.
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* Fix `mmdblookup`'s build epoch reporting on some systems. Big endian
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systems with a 32-bit `time_t` no longer show a database build date of
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1970-01-01 00:00:00. Pull request by Rainer Jung. GitHub #143.
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## 1.2.1 - 2017-05-15
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* Use autoconf to check the system's endianness rather than trying to do this
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with compiler-defined macros like `__BYTE_ORDER__`. Apparently this didn't
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work properly on a Sparc system. GitHub #120.
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* Several compiler warnings on Visual C++ were fixed. Pull request by Marcel
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Raad. GitHub #130.
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* Fix segmentation faults found in `MMDB_open()` using afl-fuzz. This
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occurred on corrupt databases that had a data pointer large enough to
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cause an integer overflow when doing bound checking. Reported by Ryan
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Whitworth. GitHub #140.
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* Add --disable-tests option to `configure`. Pull request by Fabrice
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Fontaine. GitHub #136.
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## 1.2.0 - 2016-03-23
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* Four additional fields were added to the end of the `MMDB_search_node_s`
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struct returned by `MMDB_read_node`. These fields allow the user to iterate
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through the search tree without making undocumented assumptions about how
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this library works internally and without knowing the specific details of
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the database format. GitHub #110.
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## 1.1.5 - 2016-03-20
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* Previously, reading a database with a pointer in the metadata would cause an
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`MMDB_INVALID_METADATA_ERROR` to be returned. This was due to an invalid
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offset being used when calculating the pointer. The `data_section` and
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`metadata_section` fields now both point to the beginning of the data
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section. Previously, `data_section` pointed to the beginning of the data
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separator. This will not affect anyone using only documented fields from
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`MMDB_s`.
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* `MMDB_lookup_sockaddr` will set `mmdb_error` to
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`MMDB_IPV6_LOOKUP_IN_IPV4_DATABASE_ERROR` if an IPv6 `sockaddr` is looked up
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in an IPv4-only database. Previously only `MMDB_lookup_string` would set
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this error code.
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* When resolving an address, this library now relies on `getaddrinfo` to
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determine the address family rather than trying to guess it itself.
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## 1.1.4 - 2016-01-06
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* Packaging fixes. The 1.1.3 tarball release contained a lot of extra junk in
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the t/ directory.
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## 1.1.3 - 2016-01-05
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* Added several additional checks to make sure that we don't attempt to read
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past the end of the databases's data section. Implemented by Tobias
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Stoeckmann. GitHub #103.
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* When searching for the database metadata, there was a bug that caused the
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code to think it had found valid metadata when none existed. In addition,
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this could lead to an attempt to read past the end of the database
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entirely. Finally, if there are multiple metadata markers in the database,
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we treat the final one as the start of the metdata, instead of the first.
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Implemented by Tobias Stoeckmann. GitHub #102.
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* Don't attempt to mmap a file that is too large to be mmapped on the
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system. Implemented by Tobias Stoeckmann. GitHub #101.
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* Added a missing out of memory check when reading a file's
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metadata. Implemented by Tobias Stoeckmann. GitHub #101.
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* Added several additional checks to make sure that we never attempt to
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`malloc` more than `SIZE_MAX` memory, which would lead to integer
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overflow. This could only happen with pathological databases. Implemented by
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Tobias Stoeckmann. GitHub #101.
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## 1.1.2 - 2015-11-16
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* IMPORTANT: This release includes a number of important security fixes. Among
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these fixes is improved validation of the database metadata. Unfortunately,
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MaxMind GeoIP2 and GeoLite2 databases created earlier than January 28, 2014
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had an invalid data type for the `record_size` in the metadata. Previously
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these databases worked on little endian machines with libmaxminddb but did
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not work on big endian machines. Due to increased safety checks when reading
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the file, these databases will no longer work on any platform. If you are
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using one of these databases, we recommend that you upgrade to the latest
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GeoLite2 or GeoIP2 database
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* Added pkg-config support. If your system supports it, then running `make
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install` now installs a `libmaxminddb.pc` file for pkgconfig. Implemented by
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Jan Vcelak.
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* Several segmentation faults found with afl-fuzz were fixed. These were
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caused by missing bounds checking and missing data type verification checks.
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* `MMDB_get_entry_data_list` will now fail on data structures with a depth
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greater than 512 and data structures that are cyclic. This should not
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affect any known MaxMind DB in production. All databases produced by
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MaxMind have a depth of less than five.
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## 1.1.1 - 2015-07-22
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* Added `maxminddb-compat-util.h` as a source file to dist.
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## 1.1.0 - 2015-07-21
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* Previously, when there was an error in `MMDB_open()`, `errno` would
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generally be overwritten during cleanup, preventing a useful value from
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being returned to the caller. This was changed so that the `errno` value
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from the function call that caused the error is restored before returning to
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the caller. In particular, this is important for `MMDB_IO_ERROR` errors as
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checking `errno` is often the only way to determine what actually failed.
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* If `mmap()` fails due to running out of memory space, an
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`MMDB_OUT_OF_MEMORY_ERROR` is now returned from `MMDB_open` rather than an
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`MMDB_IO_ERROR`.
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* On Windows, the `CreateFileMappingA()` handle was not properly closed if
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opening the database succeeded. Fixed by Bly Hostetler. GitHub #75 & #76.
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* On Windows, we were not checking the return value of `CreateFileMappingA()`
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properly for errors. Fixed by Bly Hotetler. GitHub #78.
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* Several warnings from Clang's scan-build were fixed. GitHub #86.
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* All headers are now installed in `$(includedir)`. GitHub #89.
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* We no longer install `maxminddb-compat-util.h`. This header was intended for
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internal use only.
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## 1.0.4 - 2015-01-02
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* If you used a non-integer string as an array index when doing a lookup with
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`MMDB_get_value()`, `MMDB_vget_value()`, or `MMDB_aget_value()`, the first
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element of the array would be returned rather than an error. A
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`MMDB_LOOKUP_PATH_DOES_NOT_MATCH_DATA_ERROR` error will now be returned.
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GitHub #61.
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* If a number larger than `LONG_MAX` was used in the same functions,
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`LONG_MAX` would have been used in the lookup. Now a
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`MMDB_INVALID_LOOKUP_PATH_ERROR` error will be returned.
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* Visual Studio build files were added for unit tests and some compatibility
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issues with the tests were fixed.
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* Visual Studio project was updated to use property pages. Patch by Andre.
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GitHub #69.
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* A test failure in `t/compile_c++_t.pl` on new installs was fixed.
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## 1.0.3 - 2014-12-02
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* A memory and file handle leak on Win32 was fixed when getting the database
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size fails. Patch by Federico G. Schwindt. GitHub PR #49.
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* Documentation fix. Federico G. Schwindt. GitHub PR #50.
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* Added Visual Studio build files and fixed incorrect CreateFileMappingA
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usage. Patch by Andre. GitHub #52.
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* The includes for the Windows header files were made lowercase in order to
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match the actual file names on case-sensitive file systems. GitHub PR #57.
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* Removed `realloc()` calls that caused warnings on Windows and generally
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cleaned up memory allocation in `MMDB_vget_value()`. See relevant discussion
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in GitHub #52.
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* Added an `extern "C" { ... }` wrapper to maxminddb.h when compiling with a
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C++ compiler. GitHub #55.
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## 1.0.2 - 2014-09-22
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* Fixed a number of small issues found by Coverity.
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* When freeing the MMDB struct in `MMDB_close()` we make sure to set the
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pointers to NULL after freeing the memory they point to. This makes it safe
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to call `MMDB_close` more than once on the same `MMDB_s` struct
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pointer. Before this change, calling this function twice on the same pointer
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could cause the code to free memory that belonged to something else in the
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process. Patch by Shuxin Yang. GitHub PR #41.
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## 1.0.1 - 2014-09-03
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* Added missing LICENSE and NOTICE files to distribution. No code changes.
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## 1.0.0 - 2014-09-02
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* Bumped version to 1.0.0. No code changes.
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## 0.5.6 - 2014-07-21
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* There was a leak in the `MMDB_open()` sub when it was called against a file
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which did not contain any MMDB metadata. Reported by Federico
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G. Schwindt. GitHub issue #36.
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* Fixed an error that occurred when passing AI_V4MAPPED to `getaddrinfo()` on
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FreeBSD. Apparently this macro is defined but doesn't work the way we
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expected it to on that platform.
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* Made sure to call `freeaddrinfo()` when a call to `getaddrinfo()` fails but
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still allocated memory.
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* Fixed a segfault in the tests that occurred on FreeBSD if we passed a NULL
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value to `freeaddrinfo()`.
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* Added a missing step to the README.md file for installing from our GitHub
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repository. Patch by Yasith Fernando.
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* Added instructions for installing via Homebrew. Patch by Yasith Fernando.
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## 0.5.5 - 2014-03-11
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* The previous tarball failed to compile because it was missing the
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src/maxminddb-compat-util.h file. Reported by Günter Grodotzki. GitHub issue
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#18.
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## 0.5.4 - 2014-03-03
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* Added support for compiling in the MinGW environment. Patch by Michael
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Eisendle.
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* Added const declarations to many spots in the public API. None of these
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should require changes to existing code.
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* Various documentation improvements.
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* Changed the license to the Apache 2.0 license.
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## 0.5.3 - 2013-12-23
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* The internal value_for_key_as_uint16 method was returning a uint32_t instead
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of a uint16_t. Reported by Robert Wells. GitHub issue #11.
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* The ip_version member of the MMDB_metadata_s struct was a uint8_t, even
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though the docs and spec said it should be a uint16_t. Reported by Robert
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Wells. GitHub issue #11.
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* The mmdblookup_t.pl test now reports that it needs IPC::Run3 to run (which
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it always did, but it didn't tell you this). Patch by Elan Ruusamäe. GitHub
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issue #10.
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## 0.5.2 - 2013-11-20
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* Running `make` from the tarball failed. This is now fixed.
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## 0.5.1 - 2013-11-20
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* Renamed MMDB_LOOKUP_PATH_DOES_NOT_MATCH_DATA define to
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MMDB_LOOKUP_PATH_DOES_NOT_MATCH_DATA_ERROR for consistency. Fixes github
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issue #5. Reported by Albert Strasheim.
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* Updated README.md to show git clone with --recursive flag so you get the
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needed submodules. Fixes github issue #4. Reported by Ryan Peck.
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* Fixed some bugs with the MMDB_get_*value functions when navigating a data
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structure that included pointers. Fixes github issue #3. Reported by
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bagadon.
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* Fixed compilation problems on OSX and OpenBSD. We have tested this on OSX
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and OpenBSD 5.4. Fixes github issue #6.
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* Removed some unneeded memory allocations and added const to many variable
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declarations. Based on patches by Timo Teräs. Github issue #8.
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* Added a test that uses threads to check for thread safety issue in the
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library.
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* Distro tarball now includes man pages, tests, and test data
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