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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/Typemaps.html
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@ -3103,7 +3103,7 @@ as shown. To work with heap allocated data, the following technique can be use
}
}
%typemap(freearg) float value[ANY] {
if ($1) free($1);
free($1);
}
</pre>
</div>
@ -3556,7 +3556,7 @@ maps perform the conversion described for the above example:
}
%typemap(freearg) (int argc, char *argv[]) {
if ($2) free($2);
free($2);
}
/* Required for C++ method overloading */