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login: structs utmp, utmpx, lastlog _TIME_BITS independence (bug 30701)

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These structs describe file formats under /var/log, and should not
depend on the definition of _TIME_BITS.  This is achieved by
defining __WORDSIZE_TIME64_COMPAT32 to 1 on 32-bit ports that
support 32-bit time_t values (where __time_t is 32 bits).

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2024-04-19 14:38:17 +02:00
parent 4d4da5aab9
commit 9abdae94c7
18 changed files with 165 additions and 22 deletions
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6
bits/wordsize.h
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@@ -21,7 +21,9 @@
#define __WORDSIZE32_PTRDIFF_LONG
/* Set to 1 in order to force time types to be 32 bits instead of 64 bits in
struct lastlog and struct utmp{,x} on 64-bit ports. This may be done in
struct lastlog and struct utmp{,x}. This may be done in
order to make 64-bit ports compatible with 32-bit ports. Set to 0 for
64-bit ports where the time types are 64-bits or for any 32-bit ports. */
64-bit ports where the time types are 64-bits and new 32-bit ports
where time_t is 64 bits, and there is no companion architecture with
32-bit time_t. */
#define __WORDSIZE_TIME64_COMPAT32