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Remove redundant NULL checks before free()/delete (#2184)

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Remove redundant NULL checks before free()/delete

The ISO C and C++ standards guarantee that it's safe to call these
on a NULL pointer, so it's not necessary for the calling code to
also check.

Fixes https://sourceforge.net/p/swig/feature-requests/70/
This commit is contained in:
Olly Betts 2022-01-29 22:03:48 +13:00 • committed by GitHub
commit 7ec2f89fe2
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17 changed files with 44 additions and 51 deletions
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4
Doc/Manual/Tcl.html
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@ -2811,9 +2811,7 @@ used as a <tt>char **</tt> object.
// This gives SWIG some cleanup code that will get called after the function call
%typemap(freearg) char ** {
if ($1) {
free($1);
}
free($1);
}
// Now a test functions