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Always use "%lld" for formatting time_ts

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Given the following test program:
  #include <time.h>
  #include <stdio.h>
  #include <stdint.h>
  int main() {
    printf("time_t:    %d\n", sizeof(time_t));
    printf("long:      %d\n", sizeof(long));
    printf("long long: %d\n", sizeof(long long));
  }

These are output on various x86 architectures:
  x32$   time_t:    8
  x32$   long:      4
  x32$   long long: 8

  amd64$ time_t:    8
  amd64$ long:      8
  amd64$ long long: 8

  i386$  time_t:    4
  i386$  long:      4
  i386$  long long: 8

Therefore code using "%l[du]" to format time_ts produced warnings on x32

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@gmail.com>
Closes #10357
Closes #844
This commit is contained in:
наб 2020-05-21 21:53:13 +02:00 committed by Brian Behlendorf
parent 6059f3a1f6
commit a1ba120927
2 changed files with 3 additions and 3 deletions
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2
lib/libspl/timestamp.c
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@ -51,7 +51,7 @@ print_timestamp(uint_t timestamp_fmt)
fmt = nl_langinfo(_DATE_FMT);
if (timestamp_fmt == UDATE) {
(void) printf("%ld\n", t);
(void) printf("%lld\n", (longlong_t)t);
} else if (timestamp_fmt == DDATE) {
char dstr[64];
int len;

4
lib/libzfs/libzfs_sendrecv.c
View File

@ -4888,8 +4888,8 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
zfs_nicebytes(bytes, buf1, sizeof (buf1));
zfs_nicebytes(bytes/delta, buf2, sizeof (buf1));
(void) printf("received %s stream in %lu seconds (%s/sec)\n",
buf1, delta, buf2);
(void) printf("received %s stream in %lld seconds (%s/sec)\n",
buf1, (longlong_t)delta, buf2);
}
err = 0;