[tz] defensive value for define on Solaris causes load of timerule to fail
Kees.Dekker at infor.com
Mon Jun 12 11:22:45 UTC 2017
>The FILENAME_MAX macro, as used in the local_storage union in localtime.c, has on Solaris the very low/defensive value of 14 (from stdio.h).
>Please consider using PATH_MAX, from limits.h instead, as that value is (usually) 250 or beyond. Or anything else, that can hold reasonable lengths of file names.
>Loading zonefiles now fails on Solaris if a filename exceeds the used macro.
The PATH_MAX macro does not exist on Windows, MAX_PATH does (but requires to include several Windows header files) and FILENAME_MAX is suitable.
So, FILENAME_MAX is probably the better choice, but may be, a
#if FILENAME_MAX < 260
#define FILENAME_MAX 260
code part is needed? Then FILENAME_MAX is at a defined minimum value (of course, the limit of 260 is also quite an arbitrary choice).
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