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Sources/json-c/ChangeLog

  1 
  2 Next Release 0.15
  3 =====================
  4 
  5 Deprecated and removed features:
  6 --------------------------------
  7 * Deprecate `array_list_new()` in favor of `array_list_new2()`
  8 * Remove the THIS_FUNCTION_IS_DEPRECATED define.
  9 * Remove config.h.win32
 10 
 11 New features
 12 ------------
 13 * Add a `JSON_TOKENER_ALLOW_TRAILING_CHARS` flag to allow multiple objects
 14   to be parsed even when `JSON_TOKENER_STRICT` is set.
 15 * Add `json_object_new_array_ext(int)` and `array_list_new_2(int)` to allow
 16    arrays to be allocated with the exact size needed, when known.
 17 * Add `json_object_array_shrink()` (and `array_list_shrink()`) and use it in 
 18    json_tokener to minimize the amount of memory used.
 19 * Add a json_parse binary, for use in testing changes (not installed, but 
 20    available in the apps directory).
 21 
 22 Build changes
 23 -------------
 24 * #639/#621 - Add symbol versions to all exported symbols
 25 * #508/#634 - Always enable -fPIC to allow use of the json-c static library in
 26    other libraries
 27 * Build both static and shared libraries at the same time.
 28 * #626 - Restore compatibility with cmake 2.8 
 29 * #471 - Always create directories with mode 0755, regardless of umask.
 30 * #606/#604 - Improve support for OSes like AIX and IBM i, as well as for
 31    MINGW32 and old versions of MSVC
 32 * #451/#617 - Add a DISABLE_THREAD_LOCAL_STORAGE cmake option to disable 
 33    the use of thread-local storage.
 34 
 35 Significant changes and bug fixes
 36 ---------------------------------
 37 * Split the internal json_object structure into several sub-types, one for
 38    each json_type (json_object_object, json_object_string, etc...).
 39   This improves memory usage and speed, with the benchmark under
 40    bench/ report 5.8% faster test time and 6%(max RSS)-12%(peak heap)
 41    less memory usage.
 42   Memory used just for json_object structures decreased 27%, so use cases
 43    with fewer arrays and/or strings would benefit more.
 44 * Minimize memory usage in array handling in json_tokener by shrinking
 45    arrays to the exact number of elements parsed.  On bench/ benchmark:
 46    9% faster test time, 39%(max RSS)-50%(peak heap) less memory usage.
 47    Add json_object_array_shrink() and array_list_shrink() functions.
 48 * #616 - Parsing of surrogate pairs in unicode escapes now properly handles
 49    incremental parsing.
 50 * Fix incremental parsing of numbers, especially those with exponents, e.g.
 51    so parsing "[0", "e+", "-]" now properly returns an error.
 52   Strict mode now rejects missing exponents ("0e").
 53 * Successfully return number objects at the top level even when they are
 54    followed by a "-", "." or "e".  This makes parsing things like "123-45"
 55    behave consistently with things like "123xyz".
 56 
 57 Other changes
 58 -------------
 59 * #589 - Detect broken RDRAND during initialization; also, fix segfault
 60     in the CPUID check.
 61 * #592 - Fix integer overflows to prevert out of bounds write on large input.
 62 * Protect against division by zero in linkhash, when creaed with zero size.
 63 * #602 - Fix json_parse_uint64() internal error checking, leaving the retval
 64     untouched in more failure cases.
 65 * #614 - Prevent truncation when custom double formatters insert extra \0's
 66 
 67 
 68 ***
 69 
 70 0.14 (up to commit 9ed00a6, 2020/04/14)
 71 =========================================
 72 
 73 Deprecated and removed features:
 74 --------------------------------
 75 * bits.h has been removed
 76 * lh_abort() has been removed
 77 * lh_table_lookup() has been removed, use lh_table_lookup_ex() instead.
 78 * Remove TRUE and FALSE defines, use 1 and 0 instead.
 79 
 80 Build changes:
 81 --------------
 82 ## Deprecated and removed features:
 83 * bits.h has been removed
 84 * lh_abort() has been removed
 85 * lh_table_lookup() has been removed, use lh_table_lookup_ex() instead.
 86 * Remove TRUE and FALSE defines, use 1 and 0 instead.
 87 * autoconf support, including autogen.sh, has been removed.  See details about cmake, below.
 88 * With the addition of json_tokener_get_parse_end(), access to internal fields of json_tokener, as well as use of many other symbols and types in json_tokener.h, is deprecated now.
 89 * The use of Android.configure.mk to build for Android no longer works, and it is unknown how (or if) the new cmake-based build machinery can be used.
 90     * Reports of success, or pull requests to correct issues are welcome.
 91 
 92 ## Notable improvements and new features
 93 
 94 ### Builds and documentation
 95 * Build machinery has been switched to CMake.  See README.md for details about how to build.
 96     * TL;DR: `mkdir build ; cd build ; cmake -DCMAKE_INSTALL_PREFIX=/some/path ../json-c ; make all test install`
 97     * To ease the transition, there is a `cmake-configure` wrapper that emulates the old autoconf-based configure script.
 98     * This has enabled improvements to the build on Windows system; also all public functions have been fixed to be properly exported.  For best results, use Visual Studio 2015 or newer.
 99 * The json-c style guide has been updated to specify the use of clang-format, and all code has been reformatted.
100     * Since many lines of code have trivial changes now, when using git blame, be sure to specify -w
101 * Numerous improvements have been made to the documentation including function effects on refcounts, when passing a NULL is safe, and so on.
102 
103 ### json_tokener changes
104 * Added a json_tokener_get_parse_end() function to replace direct access of tok->char_offset.
105     * The char_offset field, and the rest of the json_tokener structure remain exposed for now, but expect a future release to hide it like is done with json_object_private.h
106 * json_tokener_parse_ex() now accepts a new JSON_TOKENER_VALIDATE_UTF8 flag to validate that input is UTF8.
107     * If validation fails, json_tokener_get_error(tok) will return json_tokener_error_parse_utf8_string (see enum json_tokener_error).
108 
109 ### Other changes and additions
110 * Add support for unsigned 64-bit integers, uint64_t, to gain one extra bit of magnitude for positive ints.
111     * json_tokener will now parse values up to UINT64_MAX (18446744073709551615)
112     * Existing methods returning int32_t or int64_t will cap out-of-range values at INT32_MAX or INT64_MAX, preserving existing behavior.
113     * The implementation includes the possibility of easily extending this to larger sizes in the future.
114 * A total of 7 new functions were added:
115     * json_object_get_uint64 ( struct json_object const* jso )
116     * json_object_new_uint64 ( uint64_t i )
117     * json_object_set_uint64 ( struct json_object* jso, uint64_t new_value )
118     * json_parse_uint64 ( char const* buf, uint64_t* retval )
119         * See description of uint64 support, above.
120     * json_tokener_get_parse_end ( struct json_tokener* tok )
121         * See details under "json_tokener changes", above.
122     * json_object_from_fd_ex ( int fd, int in_depth )
123         * Allows the max nesting depth to be specified.
124     * json_object_new_null ( )
125         * Simply returns NULL.  Its use is not recommended.
126 * The size of struct json_object has decreased from 96 bytes to 88 bytes.
127 
128 ### Testing
129 * Many updates were made to test cases, increasing code coverage.
130 * There is now a quick way (JSONC_TEST_TRACE=1) to turn on shell tracing in tests.
131 * To run tests, use `make test`; the old "check" target no longer exists.
132 
133 ## Significant bug fixes
134 For the full list of issues and pull requests since the previous release, please see issues_closed_for_0.14.md
135 
136 * [Issue #389](https://github.com/json-c/json-c/issues/389): Add an assert to explicitly crash when _ref_count is corrupted, instead of a later "double free" error.
137 * [Issue #407](https://github.com/json-c/json-c/issues/407): fix incorrect casts in calls to ctype functions (isdigit and isspace) so we don't crash when asserts are enabled on certain platforms and characters > 128 are parsed.
138 * [Issue #418](https://github.com/json-c/json-c/issues/418): Fix docs for json_util_from_fd and json_util_from_file to say that they return NULL on failures.
139 * [Issue #422](https://github.com/json-c/json-c/issues/422): json_object.c:set errno in json_object_get_double() when called on a json_type_string object with bad content.
140 * [Issue #453](https://github.com/json-c/json-c/issues/453): Fixed misalignment in JSON serialization when JSON_C_TO_STRING_SPACED and JSON_C_TO_STRING_PRETTY are used together.
141 * [Issue #463](https://github.com/json-c/json-c/issues/463): fix newlocale() call to use LC_NUMERIC_MASK instead of LC_NUMERIC, and remove incorrect comment.
142 * [Issue #486](https://github.com/json-c/json-c/issues/486): append a missing ".0" to negative double values to ensure they are serialized as floating point numbers.
143 * [Issue #488](https://github.com/json-c/json-c/issues/488): use JSON_EXPORT on functions so they are properly exported on Windows.
144 * [Issue #539](https://github.com/json-c/json-c/issues/539): use an internal-only serializer function in json_object_new_double_s() to avoid potential conflicts with user code that uses the json_object_userdata_to_json_string serializer.
145 
146 ***
147 
148 0.13.1 (up to commit 0f814e5, 2018/03/04)
149 =========================================
150 
151 * Bump the major version of the .so library generated up to 4.0 to avoid
152   conflicts because some downstream packagers of json-c had already done
153   their own bump to ".so.3" for a much older 0.12 release.
154 * Add const size_t json_c_object_sizeof()
155 * Avoid invalid free (and thus a segfault) when ref_count gets < 0
156 * PR#394: fix handling of custom double formats that include a ".0"
157 * Avoid uninitialized variable warnings in json_object_object_foreach
158 * Issue #396: fix build for certain uClibc based systems.
159 * Add a top level fuzz directory for fuzzers run by OSS-Fuzz
160 
161 
162 0.13 (up to commit 5dae561, 2017/11/29)
163 =================================
164 
165 This release, being three and a half years after the 0.12 branch (f84d9c),
166    has quite a number of changes included.  The following is a sampling of
167    the most significant ones.
168 
169 Since the 0.12 release, 250 issues and pull requests have been closed.
170 See issues_closed_for_0.13.md for a complete list.
171 
172 
173 Deprecated and removed features:
174 --------------------------------
175 * All internal use of bits.h has been eliminated.  The file will be removed.
176         Do not use: hexdigit(), error_ptr(), error_descrition() and it_error()
177 * lh_abort() is deprecated.  It will be removed.
178 
179 Behavior changes:
180 -----------------
181 * Tighten the number parsing algorithm to raise errors instead of truncating
182      the results.  For example 12.3.4 or 2015-01-15, which now return null.
183          See commit 99d8fc
184 
185 * Use size_t for array length and size.  Platforms where sizeof(size_t) != sizeof(int) may not be backwards compatible
186         See commits 45c56b, 92e9a5 and others.
187 
188 * Check for failue when allocating memory, returning NULL and errno=ENOMEM.
189          See commit 2149a04.
190 
191 * Change json_object_object_add() return type from void to int, and will return -1 on failures, instead of exiting. (Note: this is not an ABI change)
192 
193 New features:
194 -------------
195 * We're aiming to follow RFC 7159 now.
196 
197 * Add a couple of additional option to json_object_to_json_string_ext:
198         JSON_C_TO_STRING_PRETTY_TAB
199         JSON_C_TO_STRING_NOSLASHESCAPE
200 
201 * Add a json_object_object_add_ex() function to allow for performance
202         improvements when certain constraints are known to be true.
203 
204 * Make serialization format of doubles configurable, in two different ways:
205         Call json_object_set_serializer with json_object_double_to_json_string and a custom
206          format on each double object, or
207         Call json_c_set_serialization_double_format() to set a global or thread-wide format.
208 
209 * Add utility function for comparing json_objects - json_object_equal()
210 
211 * Add a way to copy entire object trees: json_object_deep_copy()
212 * Add json_object_set_<type> function to modify the value of existing json_object's
213  without the need to recreate them.  Also add a json_object_int_inc function to
214  adjust an int's value.
215 * Add support for JSON pointer, RFC 6901.  See json_pointer.h
216 * Add a json_util_get_last_err() function to retrieve the string describing the
217  cause of errors, instead of printing to stderr.
218 * Add perllike hash function for strings, and json_global_set_string_hash() 8f8d03d
219 * Add a json_c_visit() function to provide a way to iterate over a tree of json-c objects.
220 
221 Notable bug fixes and other improvements:
222 -----------------------------------------
223 * Make reference increment and decrement atomic to allow passing json objects between threads.
224 * Fix json_object_object_foreach to avoid uninitialized variable warnings.
225 * Improve performance by removing unneeded data items from hashtable code and reducing duplicate hash computation.
226 * Improve performance by storing small strings inside json_object
227 * Improve performance of json_object_to_json_string by removing variadic printf. commit 9ff0f49
228 * Issue #371: fix parsing of "-Infinity", and avoid needlessly copying the input when doing so.
229 * Fix stack buffer overflow in json_object_double_to_json_string_format() - commit 2c2deb87
230 * Fix various potential null ptr deref and int32 overflows
231 * Issue #332: fix a long-standing bug in array_list_put_idx() where it would attempt to free previously free'd entries due to not checking the current array length.
232 * Issue #195: use uselocale() instead of setlocale() in json_tokener to behave better in threaded environments.
233 * Issue #275: fix out of bounds read when handling unicode surrogate pairs.
234 * Ensure doubles that happen to be a whole number are emitted with ".0" - commit ca7a19
235 * PR#331: for Visual Studio, use a snprintf/vsnprintf wrapper that ensures the string is terminated.
236 * Fix double to int cast overflow in json_object_get_int64.
237 * Clamp double to int32 when narrowing in json_object_get_int.
238 * Use strtoll() to parse ints - instead of sscanf
239 * Miscellaneous smaller changes, including removing unused variables, fixing warning
240  about uninitialized variables adding const qualifiers, reformatting code, etc...
241 
242 Build changes:
243 --------------
244 * Add Appveyor and Travis build support
245 * Switch to using CMake when building on Windows with Visual Studio.
246         A dynamic .dll is generated instead of a .lib
247         config.h is now generated, config.h.win32 should no longer be manually copied
248 * Add support for MacOS through CMake too.
249 * Enable silent build by default
250 * Link against libm when needed
251 * Add support for building with AddressSanitizer
252 * Add support for building with Clang
253 * Add a --enable-threading configure option, and only use the (slower) __sync_add_and_fetch()/__sync_sub_and_fetch() function when it is specified.
254 
255 List of new functions added:
256 ----------------------------
257 ### json_object.h
258 * array_list_bsearch()
259 * array_list_del_idx()
260 * json_object_to_json_string_length()
261 * json_object_get_userdata()
262 * json_object_set_userdata()
263 * json_object_object_add_ex()
264 * json_object_array_bsearch()
265 * json_object_array_del_idx()
266 * json_object_set_boolean()
267 * json_object_set_int()
268 * json_object_int_inc()
269 * json_object_set_int64()
270 * json_c_set_serialization_double_format()
271 * json_object_double_to_json_string()
272 * json_object_set_double()
273 * json_object_set_string()
274 * json_object_set_string_len()
275 * json_object_equal()
276 * json_object_deep_copy()
277 
278 ### json_pointer.h
279 * json_pointer_get()
280 * json_pointer_getf()
281 * json_pointer_set()
282 * json_pointer_setf()
283 
284 ### json_util.h
285 * json_object_from_fd()
286 * json_object_to_fd()
287 * json_util_get_last_err()
288 
289 ### json_visit.h
290 * json_c_visit()
291 
292 ### linkhash.h
293 * json_global_set_string_hash()
294 * lh_table_resize()
295 
296 ### printbuf.h
297 * printbuf_strappend()
298 
299 
300 0.12.1
301 ======
302 
303   * Minimal changes to address compile issues.
304 
305 0.12
306 ====
307 
308   * Address security issues:
309     * CVE-2013-6371: hash collision denial of service
310     * CVE-2013-6370: buffer overflow if size_t is larger than int
311 
312   * Avoid potential overflow in json_object_get_double
313 
314   * Eliminate the mc_abort() function and MC_ABORT macro.
315 
316   * Make the json_tokener_errors array local.  It has been deprecated for
317      a while, and json_tokener_error_desc() should be used instead.
318 
319   * change the floating point output format to %.17g so values with
320      more than 6 digits show up in the output.
321 
322   * Remove the old libjson.so name compatibility support.  The library is
323       only created as libjson-c.so now and headers are only installed
324       into the ${prefix}/json-c directory.
325 
326   * When supported by the linker, add the -Bsymbolic-functions flag.
327 
328   * Various changes to fix the build on MSVC.
329 
330   * Make strict mode more strict:
331     * number must not start with 0
332     * no single-quote strings
333     * no comments
334     * trailing char not allowed
335     * only allow lowercase literals
336 
337   * Added a json_object_new_double_s() convenience function to allow
338     an exact string representation of a double to be specified when
339     creating the object and use it in json_tokener_parse_ex() so
340     a re-serialized object more exactly matches the input.
341 
342   * Add support NaN and Infinity
343 
344 
345 0.11
346 ====
347 
348   * IMPORTANT: the name of the library has changed to libjson-c.so and
349      the header files are now in include/json-c.
350      The pkgconfig name has also changed from json to json-c.
351      You should change your build to use appropriate -I and -l options.
352      A compatibility shim is in place so builds using the old name will
353      continue to work, but that will be removed in the next release.
354   * Maximum recursion depth is now a runtime option.
355      json_tokener_new() is provided for compatibility.
356      json_tokener_new_ex(depth)
357   * Include json_object_iterator.h in the installed headers.
358   * Add support for building on Android.
359   * Rewrite json_object_object_add to replace just the value if the key already exists so keys remain valid.
360   * Make it safe to delete keys while iterating with the json_object_object_foreach macro.
361   * Add a json_set_serializer() function to allow the string output of a json_object to be customized.
362   * Make float parsing locale independent.
363   * Add a json_tokener_set_flags() function and a JSON_TOKENER_STRICT flag.
364   * Enable -Werror when building.
365   * speed improvements to parsing 64-bit integers on systems with working sscanf
366   * Add a json_object_object_length function.
367   * Fix a bug (buffer overrun) when expanding arrays to more than 64 entries.
368 
369 0.10
370 ====
371 
372   * Add a json_object_to_json_string_ext() function to allow output to be
373      formatted in a more human readable form.
374   * Add json_object_object_get_ex(), a NULL-safe get object method, to be able
375      to distinguish between a key not present and the value being NULL.
376   * Add an alternative iterator implementation, see json_object_iterator.h
377   * Make json_object_iter public to enable external use of the
378      json_object_object_foreachC macro.
379   * Add a printbuf_memset() function to provide an effecient way to set and
380      append things like whitespace indentation.
381   * Adjust json_object_is_type and json_object_get_type so they return
382       json_type_null for NULL objects and handle NULL passed to
383       json_objct_object_get().
384   * Rename boolean type to json_bool.
385   * Fix various compile issues for Visual Studio and MinGW.
386   * Allow json_tokener_parse_ex() to be re-used to parse multiple object.
387      Also, fix some parsing issues with capitalized hexadecimal numbers and
388      number in E notation.
389   * Add json_tokener_get_error() and json_tokener_error_desc() to better
390      encapsulate the process of retrieving errors while parsing.
391   * Various improvements to the documentation of many functions.
392   * Add new json_object_array_sort() function.
393   * Fix a bug in json_object_get_int(), which would incorrectly return 0
394     when called on a string type object.
395     Eric Haszlakiewicz
396   * Add a json_type_to_name() function.
397     Eric Haszlakiewicz
398   * Add a json_tokener_parse_verbose() function.
399     Jehiah Czebotar
400   * Improve support for null bytes within JSON strings.
401     Jehiah Czebotar
402   * Fix file descriptor leak if memory allocation fails in json_util
403     Zachary Blair, zack_blair at hotmail dot com
404   * Add int64 support. Two new functions json_object_net_int64 and
405     json_object_get_int64. Binary compatibility preserved.
406     Eric Haszlakiewicz, EHASZLA at transunion com
407     Rui Miguel Silva Seabra, rms at 1407 dot org
408   * Fix subtle bug in linkhash where lookup could hang after all slots
409     were filled then successively freed.
410     Spotted by Jean-Marc Naud, j dash m at newtraxtech dot com
411   * Make json_object_from_file take const char *filename
412     Spotted by Vikram Raj V, vsagar at attinteractive dot com
413   * Add handling of surrogate pairs (json_tokener.c, test4.c, Makefile.am)
414     Brent Miller, bdmiller at yahoo dash inc dot com
415   * Correction to comment describing printbuf_memappend in printbuf.h
416     Brent Miller, bdmiller at yahoo dash inc dot com
417 
418 0.9
419 ===
420   * Add README.html README-WIN32.html config.h.win32 to Makefile.am
421     Michael Clark, <michael@metaparadigm.com>
422   * Add const qualifier to the json_tokener_parse functions
423     Eric Haszlakiewicz, EHASZLA at transunion dot com
424   * Rename min and max so we can never clash with C or C++ std library
425     Ian Atha, thatha at yahoo dash inc dot com
426   * Fix any noticeable spelling or grammar errors.
427   * Make sure every va_start has a va_end.
428   * Check all pointers for validity.
429     Erik Hovland, erik at hovland dot org
430   * Fix json_object_get_boolean to return false for empty string
431     Spotted by Vitaly Kruglikov, Vitaly dot Kruglikov at palm dot com
432   * optimizations to json_tokener_parse_ex(), printbuf_memappend()
433     Brent Miller, bdmiller at yahoo dash inc dot com
434   * Disable REFCOUNT_DEBUG by default in json_object.c
435   * Don't use this as a variable, so we can compile with a C++ compiler
436   * Add casts from void* to type of assignment when using malloc
437   * Add #ifdef __cplusplus guards to all of the headers
438   * Add typedefs for json_object, json_tokener, array_list, printbuf, lh_table
439     Michael Clark, <michael@metaparadigm.com>
440   * Null pointer dereference fix. Fix json_object_get_boolean strlen test
441     to not return TRUE for zero length string. Remove redundant includes.
442     Erik Hovland, erik at hovland dot org
443   * Fixed warning reported by adding -Wstrict-prototypes
444     -Wold-style-definition to the compilatin flags.
445     Dotan Barak, dotanba at gmail dot com
446   * Add const correctness to public interfaces
447     Gerard Krol, g dot c dot krol at student dot tudelft dot nl
448 
449 0.8
450 ===
451   * Add va_end for every va_start
452     Dotan Barak, dotanba at gmail dot com
453   * Add macros to enable compiling out debug code
454     Geoffrey Young, geoff at modperlcookbook dot org
455   * Fix bug with use of capital E in numbers with exponents
456     Mateusz Loskot, mateusz at loskot dot net
457   * Add stddef.h include
458   * Patch allows for json-c compile with -Werror and not fail due to
459     -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations
460     Geoffrey Young, geoff at modperlcookbook dot org
461 
462 0.7
463 ===
464   * Add escaping of backslash to json output
465   * Add escaping of foward slash on tokenizing and output
466   * Changes to internal tokenizer from using recursion to
467     using a depth state structure to allow incremental parsing
468 
469 0.6
470 ===
471   * Fix bug in escaping of control characters
472     Johan Björklund, johbjo09 at kth dot se
473   * Remove include "config.h" from headers (should only
474     be included from .c files)
475     Michael Clark <michael@metaparadigm.com>
476 
477 0.5
478 ===
479   * Make headers C++ compatible by change *this to *obj
480   * Add ifdef C++ extern "C" to headers
481   * Use simpler definition of min and max in bits.h
482     Larry Lansing, llansing at fuzzynerd dot com
483 
484   * Remove automake 1.6 requirement
485   * Move autogen commands into autogen.sh. Update README
486   * Remove error pointer special case for Windows
487   * Change license from LGPL to MIT
488     Michael Clark <michael@metaparadigm.com>
489 
490 0.4
491 ===
492   * Fix additional error case in object parsing
493   * Add back sign reversal in nested object parse as error pointer
494     value is negative, while error value is positive.
495     Michael Clark <michael@metaparadigm.com>
496 
497 0.3
498 ===
499   * fix pointer arithmetic bug for error pointer check in is_error() macro
500   * fix type passed to printbuf_memappend in json_tokener
501   * update autotools bootstrap instructions in README
502     Michael Clark <michael@metaparadigm.com>
503 
504 0.2
505 ===
506   * printbuf.c - C. Watford (christopher.watford@gmail.com)
507     Added a Win32/Win64 compliant implementation of vasprintf
508   * debug.c - C. Watford (christopher.watford@gmail.com)
509     Removed usage of vsyslog on Win32/Win64 systems, needs to be handled
510     by a configure script
511   * json_object.c - C. Watford (christopher.watford@gmail.com)
512     Added scope operator to wrap usage of json_object_object_foreach, this
513     needs to be rethought to be more ANSI C friendly
514   * json_object.h - C. Watford (christopher.watford@gmail.com)
515     Added Microsoft C friendly version of json_object_object_foreach
516   * json_tokener.c - C. Watford (christopher.watford@gmail.com)
517     Added a Win32/Win64 compliant implementation of strndup
518   * json_util.c - C. Watford (christopher.watford@gmail.com)
519     Added cast and mask to suffice size_t v. unsigned int conversion
520     correctness
521   * json_tokener.c - sign reversal issue on error info for nested object parse
522     spotted by Johan Björklund (johbjo09 at kth.se)
523   * json_object.c - escape " in json_escape_str
524   * Change to automake and libtool to build shared and static library
525     Michael Clark <michael@metaparadigm.com>
526 
527 0.1
528 ===
529   * initial release

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