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1.4.7

Fixes:

  • Fix cJSONUtils_ApplyPatches, it was completely broken and apparently nobody noticed (or at least reported it) (075a06f40bdc4f836c7dd7cad690d253a57cfc50)
  • Fix inconsistent prototype for cJSON_GetObjectItemCaseSensitive (51d3df6c9f7b56b860c8fb24abe7bab255cd4fa9) thanks @PawelWMS

1.4.6

Fixes:

  • Several corrections in the README
  • Making clear that valueint should not be written to
  • Fix overflow detection in ensure (2683d4d9873df87c4bdccc523903ddd78d1ad250)
  • Fix a potential null pointer dereference in cJSON_Utils (795c3acabed25c9672006b2c0f40be8845064827)
  • Replace incorrect sizeof('\0') with sizeof("") (84237ff48e69825c94261c624eb0376d0c328139)
  • Add caveats section to the README (50b3c30dfa89830f8f477ce33713500740ac3b79)
  • Make cJSON locale independent (#146) Thanks @peterh for reporting
  • Fix compiling without CMake with MSVC (#147) Thanks @dertuxmalwieder for reporting

1.4.5

Fixes:

  • Fix bug in cJSON_SetNumberHelper, thanks @mmkeeper (#138 ef34500693e8c4a2849d41a4bd66fd19c9ec46c2)
  • Workaround for internal compiler error in GCC 5.4.0 and 6.3.1 on x86 (2f65e80a3471d053fdc3f8aed23d01dd1782a5cb GCC bugreport)

1.4.4

Fixes:

  • Fix a theoretical integer overflow, (not sure if it is possible on actual hardware) e58f7ec027d00b7cdcbf63e518c1b5268b29b3da
  • Fix an off by one error (cc84a446be20cc283bafdc4d94c050ba1111ac02), thanks @gatzka
  • Double check the offset of the print buffer in ensure (1934059554b9a0971e00f79e96900f422cfdd114)

Improvements:

  • Add a note in the header about required buffer size when using cJSON_PrintPreallocated (4bfb88009342fb568295a7f6dc4b7fee74fbf022)

1.4.3

Fixes:

  • Fix compilation of the tests on 32 bit PowerPC and potentially other systems (4ec6e76ea2eec16f54b58e8c95b4c734e59481e4)
  • Fix compilation with old GCC compilers (4.3+ were tested) (227d3398d6b967879761ebe02c1b63dbd6ea6e0d, 466eb8e3f8a65080f2b3ca4a79ab7b72bd539dba), see also #126

1.4.2

Fixes:

  • Fix minimum required cmake version (30e1e7af7c63db9b55f5a3cda977a6c032f0b132)
  • Fix detection of supported compiler flags (76e5296d0d05ceb3018a9901639e0e171b44a557)
  • Run cJSON_test and cJSON_test_utils along with unity tests (c597601cf151a757dcf800548f18034d4ddfe2cb)

1.4.1

Fix: Make print_number abort with a failure in out of memory situations (cf1842dc6f64c49451a022308b4415e4d468be0a)

1.4.0

Features

  • Functions to check the type of an item (#120)
  • Use dllexport on windows and fvisibility on Unix systems for public functions (#116), thanks @mjerris
  • Remove trailing zeroes from printed numbers (#123)
  • Expose the internal boolean type cJSON_bool in the header (2d3520e0b9d0eb870e8886e8a21c571eeddbb310)

Fixes

  • Fix handling of NULL pointers in cJSON_ArrayForEach (b47d0e34caaef298edfb7bd09a72cfff21d231ff)
  • Make it compile with GCC 7 (fix -Wimplicit-fallthrough warning) (9d07917feb1b613544a7513d19233d4c851ad7ad)

Other Improvements

  • internally use realloc if available (#110)
  • builtin support for fuzzing with afl (#111)
  • unit tests for the print functions (#112)
  • Always use buffered printing (#113)
  • simplify the print functions (#114)
  • Add the compiler flags -Wdouble-conversion, -Wparentheses and -Wcomma (#122)

1.3.2

Fix:

  • Don't build the unity library if testing is disabled ( #121 ). Thanks @ffontaine

1.3.1

Bugfix release that fixes an out of bounds read #118. This shouldn't have any security implications.

1.3.0

This release includes a lot of rework in the parser and includes the Cunity unit testing framework, as well as some fixes. I increased the minor version number because there were quite a lot of internal changes.

Features:

  • New type for cJSON structs: cJSON_Invalid (#108)

Fixes:

  • runtime checks for a lot of potential integer overflows
  • fix incorrect return in cJSON_PrintBuffered (cf9d57d56cac21fc59465b8d26cf29bf6d2a87b3)
  • fix several potential issues found by Coverity
  • fix potentially undefined behavior when assigning big numbers to valueint (41e2837df1b1091643aff073f2313f6ff3cc10f4)
    • Numbers exceeding INT_MAX or lower than INT_MIN will be explicitly assigned to valueint as INT_MAX and INT_MIN respectively (saturation on overflow).
    • fix the cJSON_SetNumberValue macro (87f77274de6b3af00fb9b9a7f3b900ef382296c2), this slightly changes the behavior, see commit message

Introduce unit tests

Started writing unit tests with the Cunity testing framework. Currently this covers the parser functions.

Also:

Simplifications

After having unit tests for the parser function in place, I started refactoring the parser functions (as well as others) and making them easier to read and maintain.

  • Use strtod from the standard library for parsing numbers (074766997246481dfc72bfa78f07898a2716473f)
  • Use goto-fail in several parser functions (#100)
  • Rewrite/restructure all of the parsing functions to be easier to understand and have less code paths doing the same as another. (#109)
  • Simplify the buffer allocation strategy to always doubling the needed amount (9f6fa94c91a87b71e4c6868dbf2ce431a48517b0)
  • Combined cJSON_AddItemToObject and cJSON_AddItemToObjectCS to one function (cf862d0fed7f9407e4b046d78d3d8050d2080d12)

Other changes

  • Prevent the usage of incompatible C and header versions via preprocessor directive (123bb1af7bfae41d805337fef4b41045ef6c7d25)
  • Let CMake automatically detect compiler flags
  • Add new compiler flags (-Wundef, -Wswitch-default, -Wconversion, -fstack-protector-strong) (#98)
  • Change internal sizes from int to size_t (ecd5678527a6bc422da694e5be9e9979878fe6a0)
  • Change internal strings from char* to unsigned char* (28b9ba4334e0f7309e867e874a31f395c0ac2474)
  • Add const in more places

1.2.1

Fixes:

  • Fixes a potential null pointer dereference in cJSON_Utils, discovered using clang's static analyzer by @bnason-nf (#96)

1.2.0

Features:

  • Add a new type of cJSON item for raw JSON and support printing it. Thanks @loigu (#65, #90)

Fixes:

  • Compiler warning if const is casted away, Thanks @gatzka (#83)
  • Fix compile error with strict-overflow on PowerPC, (#85)
  • Fix typo in the README, thanks @MicroJoe (#88)
  • Add compile flag for compatibility with C++ compilers

1.1.0

  • Add a function cJSON_PrintPreallocated to print to a preallocated buffer, thanks @ChisholmKyle (#72)
  • More compiler warnings when using Clang or GCC, thanks @gatzka (#75, #78)
  • fixed a memory leak in cJSON_Duplicate, thanks @alperakcan (#81)
  • fix the ENABLE_CUSTOM_COMPILER_FLAGS cmake option

1.0.2

Rename internal boolean type, see #71.

1.0.1

Small bugfix release.

  • Fixes a bug with the use of the cJSON structs type in cJSON_Utils, see d47339e2740360e6e0994527d5e4752007480f3a
  • improve code readability
  • initialize all variables

1.0.0

This is the first official versioned release of cJSON. It provides an API version for the shared library and improved Makefile and CMake build files.