[edk2-devel] [PATCH v10 0/6] jansson edk2 port

Michael D Kinney michael.d.kinney at intel.com
Wed Dec 23 23:45:49 UTC 2020


Hi Abner,

1) This latest version declares JsonLib as private in the DEC file.  I do not think you intended that.

2) In JasonLib.inf, your [BuildOptions] CC_FLAGS are different than my experiments found.

   MSFT:*_*_*_CC_FLAGS = /wd4204 /wd4244 /wd4090  /wd4334 /DHAVE_CONFIG_H=1 /U_WIN32 /UWIN64 /U_MSC_VER

   It is always best to minimize all warning disables for each supported architecture.

   Which Visual Studio compilers have you tested with?  Do some require more warning disables than others?

3) Where did the implementation of the string functions in RedfishCrtLib.c come from.  I do not 
   see any attribution or license statements.

4) RedfishCrtLib.h - The following 2 #defines do not work for %s.  %s is used with these functions
   in jansson lib.  AsciiSPrint and AsciiVSPrint treat %s as Unicode and snprintf and vnsprintf 
   treat %s as ASCII.  

#define snprintf(buf,len,...)             AsciiSPrint(buf,len,__VA_ARGS__)
#define vsnprintf(buf,len,format,marker)  AsciiVSPrint((buf),(len),(format),(marker))

I tried the following bit of sample code linked against RedfishCrtLib

  CHAR8  Message[100];
  
  Print (L"Hello World\n");
  
  snprintf (Message, sizeof(Message), "Hello %s\n", "World");
  AsciiPrint (Message);


It output:

    Hello World
    Hello Wrd

Best regards,

Mike

> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Abner Chang
> Sent: Wednesday, December 23, 2020 12:11 AM
> To: devel at edk2.groups.io
> Cc: Sean Brogan <sean.brogan at microsoft.com>; Bret Barkelew <Bret.Barkelew at microsoft.com>; Andrew Fish <afish at apple.com>;
> Laszlo Ersek <lersek at redhat.com>; Leif Lindholm <leif at nuviainc.com>; Kinney, Michael D <michael.d.kinney at intel.com>;
> Liming Gao <gaoliming at byosoft.com.cn>; Nickle Wang <nickle.wang at hpe.com>; Peter O'Hanley <peter.ohanley at hpe.com>
> Subject: [edk2-devel] [PATCH v10 0/6] jansson edk2 port
> 
> In v10, - Rename CrtLib to RedfishCrtLib
>         - Review JsonLib /wd build options for Visual Studio.
> In v9, - Address comments given by Mike Kinney on 12/21
> In v8, - Assigne patch file order
>        - Add Acked-by tags
> In v7, - Remove C RTC header files to under [Include.Common.Private]
>          in RedfishPkg.dec.
>        - address comments given by Mike Kinney.
> In v6, Remove JanssonJsonMapping.h
> In v5, move BaseUcs2Utf8Lib to under RedfishPkg.
> In v4,
>        - Address review comments
>        - Seperate CRT functions to a individule library CrtLib under
>          RedfishPkg.
>        - Seperate UCS2-UTF8 functions to a individule library
>          BaseUcs2Utf8Lib under MdeModulePkg.
> 
> In v3, Add jansson library as the required submoudle in
>        CiSettings.py for CI test.
> In v2, JsonLib is moved to under RedfishPkg.
> 
> edk2 JSON library is based on jansson open source
> (https://github.com/akheron/jansson) and wrapped as an edk2
> library. edk2 JsonLib will be used by edk2 Redfish feature
> drivers (not contributed yet) and the edk2 port of libredfish
> library (not contributed yet) based on DMTF GitHub
> (https://github.com/DMTF/libredfish).
> 
> Jansson is licensed under the MIT license(refer to ReadMe.rst under edk2).
> It is used in production and its API is stable. In UEFI/EDKII environment,
> Redfish project consumes jansson to achieve JSON operations.
> 
> * Jansson version on edk2: 2.13.1
> 
> * EDKII jansson library wrapper:
>    - JsonLib.h:
>      This is the denifitions of EDKII JSON APIs which are mapped to
>      jannson funcitons accordingly.
> 
>    - JanssonJsonLibMapping.h:
>      This is the wrapper file to map funcitons and definitions used in
>      native jannson applications to edk2 JsonLib. This avoids the
>      modifications on native jannson applications to be built under
>      edk2 environment.
> 
> *Known issue:
>   Build fail with jansson/src/load.c, overrride and add code in load.c
>   to conditionally use stdin according to HAVE_UNISTD_H macro.
>   The PR is submitted to jansson open source community.
>   https://github.com/akheron/jansson/pull/558
> 
> Signed-off-by: Abner Chang <abner.chang at hpe.com>
> 
> Cc: Sean Brogan <sean.brogan at microsoft.com>
> Cc: Bret Barkelew <Bret.Barkelew at microsoft.com>
> Cc: Andrew Fish <afish at apple.com>
> Cc: Laszlo Ersek <lersek at redhat.com>
> Cc: Leif Lindholm <leif at nuviainc.com>
> Cc: Michael D Kinney <michael.d.kinney at intel.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>
> Cc: Nickle Wang <nickle.wang at hpe.com>
> Cc: Peter O'Hanley <peter.ohanley at hpe.com>
> 
> Abner Chang (6):
>   RedfishPkg/Ucs2Utf8lib: UCS2 to UFT8 manipulation library
>   edk2: jansson submodule for edk2 JSON library
>   RedfishPkg/CrtLib: C runtime library
>   RedfishPkg/library: EDK2 port of jansson library
>   RedfishPkg: Add EDK2 port of jansson library to build
>   .pytool: Add required submodule for JsonLib
> 
>  .gitmodules                                   |    3 +
>  .pytool/CISettings.py                         |    2 +
>  ReadMe.rst                                    |    1 +
>  RedfishPkg/Include/Crt/assert.h               |   16 +
>  RedfishPkg/Include/Crt/errno.h                |   16 +
>  RedfishPkg/Include/Crt/limits.h               |   16 +
>  RedfishPkg/Include/Crt/math.h                 |   16 +
>  RedfishPkg/Include/Crt/stdarg.h               |   15 +
>  RedfishPkg/Include/Crt/stddef.h               |   16 +
>  RedfishPkg/Include/Crt/stdio.h                |   15 +
>  RedfishPkg/Include/Crt/stdlib.h               |   16 +
>  RedfishPkg/Include/Crt/string.h               |   16 +
>  RedfishPkg/Include/Crt/sys/time.h             |   15 +
>  RedfishPkg/Include/Crt/sys/types.h            |   15 +
>  RedfishPkg/Include/Crt/time.h                 |   15 +
>  RedfishPkg/Include/Library/BaseUcs2Utf8Lib.h  |   61 +
>  RedfishPkg/Include/Library/CrtLib.h           |  191 +++
>  RedfishPkg/Include/Library/JsonLib.h          |  763 +++++++++++
>  .../Library/BaseUcs2Utf8Lib/BaseUcs2Utf8Lib.c |  421 +++++++
>  .../BaseUcs2Utf8Lib/BaseUcs2Utf8Lib.inf       |   31 +
>  RedfishPkg/Library/CrtLib/CrtLib.c            |  595 +++++++++
>  RedfishPkg/Library/CrtLib/CrtLib.inf          |   38 +
>  RedfishPkg/Library/JsonLib/JsonLib.c          |  964 ++++++++++++++
>  RedfishPkg/Library/JsonLib/JsonLib.inf        |   89 ++
>  RedfishPkg/Library/JsonLib/Readme.rst         |   40 +
>  RedfishPkg/Library/JsonLib/jansson            |    1 +
>  RedfishPkg/Library/JsonLib/jansson_config.h   |   41 +
>  .../Library/JsonLib/jansson_private_config.h  |   19 +
>  RedfishPkg/Library/JsonLib/load.c             | 1111 +++++++++++++++++
>  RedfishPkg/RedfishLibs.dsc.inc                |    3 +
>  RedfishPkg/RedfishPkg.ci.yaml                 |   25 +
>  RedfishPkg/RedfishPkg.dec                     |   25 +
>  RedfishPkg/RedfishPkg.dsc                     |    3 +
>  33 files changed, 4614 insertions(+)
>  create mode 100644 RedfishPkg/Include/Crt/assert.h
>  create mode 100644 RedfishPkg/Include/Crt/errno.h
>  create mode 100644 RedfishPkg/Include/Crt/limits.h
>  create mode 100644 RedfishPkg/Include/Crt/math.h
>  create mode 100644 RedfishPkg/Include/Crt/stdarg.h
>  create mode 100644 RedfishPkg/Include/Crt/stddef.h
>  create mode 100644 RedfishPkg/Include/Crt/stdio.h
>  create mode 100644 RedfishPkg/Include/Crt/stdlib.h
>  create mode 100644 RedfishPkg/Include/Crt/string.h
>  create mode 100644 RedfishPkg/Include/Crt/sys/time.h
>  create mode 100644 RedfishPkg/Include/Crt/sys/types.h
>  create mode 100644 RedfishPkg/Include/Crt/time.h
>  create mode 100644 RedfishPkg/Include/Library/BaseUcs2Utf8Lib.h
>  create mode 100644 RedfishPkg/Include/Library/CrtLib.h
>  create mode 100644 RedfishPkg/Include/Library/JsonLib.h
>  create mode 100644 RedfishPkg/Library/BaseUcs2Utf8Lib/BaseUcs2Utf8Lib.c
>  create mode 100644 RedfishPkg/Library/BaseUcs2Utf8Lib/BaseUcs2Utf8Lib.inf
>  create mode 100644 RedfishPkg/Library/CrtLib/CrtLib.c
>  create mode 100644 RedfishPkg/Library/CrtLib/CrtLib.inf
>  create mode 100644 RedfishPkg/Library/JsonLib/JsonLib.c
>  create mode 100644 RedfishPkg/Library/JsonLib/JsonLib.inf
>  create mode 100644 RedfishPkg/Library/JsonLib/Readme.rst
>  create mode 160000 RedfishPkg/Library/JsonLib/jansson
>  create mode 100644 RedfishPkg/Library/JsonLib/jansson_config.h
>  create mode 100644 RedfishPkg/Library/JsonLib/jansson_private_config.h
>  create mode 100644 RedfishPkg/Library/JsonLib/load.c
> 
> --
> 2.17.1
> 
> 
> 
> 
> 



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