Update comments and README
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libc/Kconfig
12
libc/Kconfig
@ -275,7 +275,9 @@ config LIBC_LOCALTIME
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environment variable TZ must be set to the name of that timezone file
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environment variable TZ must be set to the name of that timezone file
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when tzset() is called.
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when tzset() is called.
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See https://www.iana.org/time-zones
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See https://www.iana.org/time-zones . See also apps/system/zoneinfo
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which provides a framework for incorporating the TZ database into a
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NuttX build.
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if LIBC_LOCALTIME
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if LIBC_LOCALTIME
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@ -286,10 +288,10 @@ config LIBC_TZ_MAX_TIMES
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Timezone files with more than this number of times will not be usedi
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Timezone files with more than this number of times will not be usedi
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(tmecnt).
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(tmecnt).
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Warning: Some files in IANA TZ database include many more times than
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Warning: Some files in IANA TZ database include many times. The current
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this. The current posixrules file, for example, has timecnt = 236.
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posixrules file, for example, has timecnt = 236. The value of
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The value of TX_MAX_ITMES in the tzfile.h header file on my Linux
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TX_MAX_ITMES in the tzfile.h header file on my Linux system is 370, the
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system is 370. You may want to reduce this value for a smaller
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default used here. You may want to reduce this value for a smaller
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footprint.
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footprint.
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config LIBC_TZ_MAX_TYPES
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config LIBC_TZ_MAX_TYPES
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