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When damaging files in the test, restore the time.

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This commit is contained in:
Andrea Mazzoleni 2013-08-18 18:03:22 +02:00
parent f2e6a0328a
commit 746c829bec
1 changed files with 54 additions and 0 deletions
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54
mktest.c
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@ -157,6 +157,54 @@ void generate(int disk, int size)
}
}
void fallback(int f, struct stat* st)
{
#if HAVE_FUTIMENS
struct timespec tv[2];
#else
struct timeval tv[2];
#endif
int ret;
#if HAVE_FUTIMENS /* futimens() is preferred because it gives nanosecond precision */
tv[0].tv_sec = st->st_mtime;
if (STAT_NSEC(st) != STAT_NSEC_INVALID)
tv[0].tv_nsec = STAT_NSEC(st);
else
tv[0].tv_nsec = 0;
tv[1].tv_sec = tv[0].tv_sec;
tv[1].tv_nsec = tv[0].tv_nsec;
ret = futimens(f, tv);
#elif HAVE_FUTIMES /* fallback to futimes() if nanosecond precision is not available */
tv[0].tv_sec = st->st_mtime;
if (STAT_NSEC(st) != STAT_NSEC_INVALID)
tv[0].tv_usec = STAT_NSEC(st) / 1000;
else
tv[0].tv_usec = 0;
tv[1].tv_sec = tv[0].tv_sec;
tv[1].tv_usec = tv[0].tv_usec;
ret = futimes(f, tv);
#elif HAVE_FUTIMESAT /* fallback to futimesat() for Solaris, it only has futimesat() */
tv[0].tv_sec = st->st_mtime;
if (STAT_NSEC(st) != STAT_NSEC_INVALID)
tv[0].tv_usec = STAT_NSEC(st) / 1000;
else
tv[0].tv_usec = 0;
tv[1].tv_sec = tv[0].tv_sec;
tv[1].tv_usec = tv[0].tv_usec;
ret = futimesat(f, 0, tv);
#else
#error No function available to set file timestamps
#endif
if (ret != 0) {
fprintf(stderr, "Error restoring time\n");
exit(EXIT_FAILURE);
}
}
void damage(const char* path, int size)
{
struct stat st;
@ -209,6 +257,12 @@ void damage(const char* path, int size)
--count;
}
/* flush changes before restoring the time */
fflush(f);
/* restore the previous modification time */
fallback(fileno(f), &st);
fclose(f);
}
}