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dirmngr: This towel should better detect a changed resolv.conf.

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* dirmngr/dns-stuff.c (resolv_conf_changed_p): Fix initialization time
issue.
--

Fixes-commit: b5f356e9fba2d99909f8f54d7b7e6836bed87b68
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-05-25 20:26:54 +02:00
parent b5f356e9fb
commit de3a0988ef
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GPG Key ID: E3FDFF218E45B72B
1 changed files with 6 additions and 4 deletions
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10
dirmngr/dns-stuff.c
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@ -407,21 +407,23 @@ resolv_conf_changed_p (void)
static time_t last_mtime;
const char *fname = RESOLV_CONF_NAME;
struct stat statbuf;
int changed;
int changed = 0;
if (stat (fname, &statbuf))
{
log_error ("stat'ing '%s' failed: %s\n",
fname, gpg_strerror (gpg_error_from_syserror ()));
changed = 0;
last_mtime = 1; /* Force a "changed" result the next time stat
* works. */
}
else
else if (!last_mtime)
last_mtime = statbuf.st_mtime;
else if (last_mtime != statbuf.st_mtime)
{
changed = last_mtime && (last_mtime != statbuf.st_mtime);
changed = 1;
last_mtime = statbuf.st_mtime;
}
return changed;
#endif
}