Hi,

tzcode2022f/zic.c has a bug in its memory checker routine in static void* memcheck(void*). This code throws an error and exits when the pointer returned by malloc is NULL. However, malloc is allowed to return a NULL pointer when the allocation size is 0. And, on one machine I am building the TZ code on, malloc(0) does indeed return NULL. This is an AIX 6.1 box, with C compiler xlC 13.01.0000.0011.

This is easy enough to work around locally. However, it would be nice to get this fixed for any future release of the TZ code.

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Tim McBrayer
Ab Initio Software
 
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