Add missing STD Library Identifiers

[wienans]

Added a STDLIB_IDENTIFIERS for C11 as well as updated the C99 once based on,

C99: https://www.dii.uchile.cl/~daespino/files/Iso_C_1999_definition.pdf
C11: https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf

in the misra.py

[danmar]

hmm.. some tests would be nice. Do you have some idea? I don't feel we need to test this in full but some kind of generic tests would be nice.. maybe ensure C11_STDLIB_IDENTIFIERS extends C99_STDLIB_IDENTIFIERS, make a few isStdLibId calls to make sure it works, ..

[wienans]

hmm.. some tests would be nice. Do you have some idea? I don't feel we need to test this in full but some kind of generic tests would be nice.. maybe ensure C11_STDLIB_IDENTIFIERS extends C99_STDLIB_IDENTIFIERS, make a few isStdLibId calls to make sure it works, ..

@danmar Test suggestions sound good, I can add that. is there already a test file where the misra.py is „unit tested“? I only found the .c file which tests the detections. If yes could you link the file where I should add it, if no could you make a suggestion how you would like to have the test added?

with test suggestions I don’t have additional ideas, the thing is it’s only a big list of keywords so there is not much to test, apart of the suggestions you already mentioned.

[wienans]

@danmar added a Test and also checked the isKeyword additionally to isStdLib and fixed a typo there, too.
Additionally i changed the switching std identifieres for C11 from a specific C11 check to else. Therefore all standards after C11 will get the C11 Std Lib Identifiers and Keywords.

If it is fine from your side it can be merged.

[danmar]

@wienans thanks! I wonder, is your name added in https://github.com/danmar/cppcheck/blob/main/AUTHORS yet?

[wienans]

@danmar actually no i am not in it. You can add me as Sven Wienand