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Fix UBSAN errors in ccache-swig

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ccache.c:738:18: runtime error: null pointer passed as argument 1, which is declared to never be null
Fixes stderr redirect in testname CCACHE_CPP2, when the CCACHE_CPP2
environment variable is defined.

mdfour.c:91:20: runtime error: left shift of 139 by 24 places cannot be represented in type 'int'
Looks like this brings some stability to the md4 hash calculation.

Closes #2449
This commit is contained in:
William S Fulton 2022-11-26 17:46:09 +00:00
commit 60af317956
3 changed files with 15 additions and 9 deletions
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@ -7,6 +7,10 @@ the issue number to the end of the URL: https://github.com/swig/swig/issues/
Version 4.2.0 (in progress)
===========================
2022-11-26: wsfulton
#2449 Fix undefined behaviour in ccache-swig calculating md4 hashes and possibly
also handling errors when CCACHE_CPP2 is set.
2022-11-26: wsfulton
#1589 #1590 Slightly better decltype() support for expressions, such as: