Re: x32 "half"arrived... now what?
Kurt Roeckx dixit:
>tm_year should be an int, not a time_t or long. Note that it
POSIX says it “must” be a long…
>counts in years, and so even a 16 bit int isn't going to cause
>much problems for tm_year.
… but I disagree. All time_t seconds-since-the-epoch values
need (in practice) to round-trip through “struct tm”, which
requires tm_year to be of a type of the magnitude time_t has:
tg@blau:~ $ cat x.c
#include <limits.h>
#include <stdio.h>
#include <time.h>
int main(void) { struct tm *tm; time_t tmax = LLONG_MAX; tm = gmtime(&tmax); printf("%lld\n", (long long)tm->tm_year); return (0); }
tg@blau:~ $ ./a.out
292277024696
This (0x44.0D11.77B8) doesn’t fit into 32 bits any more.
bye,
//mirabilos
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