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cwfs: initialize /env/timezone on boot so dumps are in localtime

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when /env/timezone file is missing (boot case), copy /adm/timezone/local
to /env/timezone so localtime() can correct timezone offset.
This commit is contained in:
cinap_lenrek 2015-09-12 03:58:46 +02:00
parent c823f136df
commit c06e464ec4
1 changed files with 24 additions and 0 deletions
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24
sys/src/cmd/cwfs/con.c
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@ -7,6 +7,7 @@ static int whoflag;
static void consserve1(void *);
static void installcmds(void);
static void tzinit(char*);
void
consserve(void)
@ -599,6 +600,7 @@ cmd_remove(int argc, char *argv[])
static void
cmd_version(int, char *[])
{
tzinit("/adm/timezone/local");
print("%d-bit %s as of %T\n", sizeof(Off)*8 - 1, service, fs_mktime);
print("\tlast boot %T\n", boottime);
}
@ -679,6 +681,28 @@ cmd_prof(int argc, char *argv[])
}
}
static void
tzinit(char *file)
{
char buf[1024];
Off o;
int f, n;
f = create("#e/timezone", OEXCL|OWRITE, 0666);
if(f < 0)
return;
if(walkto(file) || con_open(FID2, 0)) {
print("tzinit: cannot access %s\n", file);
close(f);
remove("#e/timezone");
return;
}
for(o = 0; (n = con_read(FID2, buf, o, sizeof(buf))) > 0; o += n)
write(f, buf, n);
close(f);
}
static void
cmd_time(int argc, char *argv[])
{