[Bug 48458] New: Changes to scanf.c and scanf.h have resulted in Star Citizen incorrectly showing green lighting

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48458

            Bug ID: 48458
           Summary: Changes to scanf.c and scanf.h have resulted in Star
                    Citizen incorrectly showing green lighting
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: msvcrt
          Assignee: wine-bugs at winehq.org
          Reporter: michael.scott at quest-arts.co.uk
      Distribution: ---

I was looking into this after a discussion with the LUG group in Star Citizen
and discovered the green lighting issue was introduced in the following commit
in wine-5.0_rc4:
f99d307a3e1f9beb7fd9dc8892b5cfabbabf816b
msvcrt: Use parse_double for scanf floats.

I had to cherry pick the following additional commits, due to the error 30014
occurring when joining th PU without them:
1366dd69d5a0578299dc69365db972b0341456d2
msvcrt: Update consumed in all scanf variants on end of input.

and
c4ad7391956fcbfe7a1a9324ebda1e013e5f6edd
msvcrt: Don't use ungetc when reading double in scanf.


I confirmed this is the issue by taking dlls/msvcrt/scanf.c and
dlls/msvcrt/scanf.h as they are after commit:

66c9c358ae5c50fc246cf4a4e280b401a5fc730b
msvcrt: Use parse_double for wcstod.

then replacing the latest wine.git HEAD with those files and recompiling. This
resolved the green lighting issue,

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