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added code to clean the tmp directory in a maildir to comply with

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maildir(5)
This commit is contained in:
Michael Elkins 2001-10-03 16:48:17 +00:00
parent 608386f918
commit c4050700c0
2 changed files with 44 additions and 3 deletions
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3
TODO
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@ -6,6 +6,3 @@ finish implementing --quiet
isync gets confused when new mail is delivered while in the middle of an
IMAP session. need to handled those asynchronous notifications properly.
in order to be in total compliance with the maildir(5) spec, we need to
add code to clean the tmp directory on the 24-hour timer.

44
maildir.c
View File

@ -427,9 +427,53 @@ maildir_set_uidvalidity (mailbox_t * mbox, unsigned int uidvalidity)
return (ret);
}
#define _24_HOURS (3600 * 24)
static void
maildir_clean_tmp (const char *mbox)
{
char path[_POSIX_PATH_MAX];
DIR *dirp;
struct dirent *entry;
struct stat info;
time_t now;
snprintf (path, sizeof (path), "%s/tmp", mbox);
dirp = opendir (path);
if (dirp == NULL)
{
fprintf (stderr, "maildir_clean_tmp: opendir: %s: %s (errno %d)\n", path, strerror (errno), errno);
return;
}
/* assuming this scan will take less than a second, we only need to
* check the time once before the following loop.
*/
time (&now);
while ((entry = readdir (dirp)))
{
snprintf (path, sizeof (path), "%s/tmp/%s", path, entry->d_name);
if (stat (path, &info))
fprintf (stderr, "maildir_clean_tmp: stat: %s: %s (errno %d)\n", path, strerror (errno), errno);
else if (now - info.st_ctime >= _24_HOURS)
{
/* this should happen infrequently enough that it won't be
* bothersome to the user to display when it occurs.
*/
printf ("Warning: removing stale file %s\n", path);
if (unlink (path))
fprintf (stderr, "maildir_clean_tmp: unlink: %s: %s (errno %d)\n", path, strerror (errno), errno);
}
}
}
void
maildir_close (mailbox_t * mbox)
{
/* per the maildir(5) specification, delivery agents are supposed to
* set a 24-hour timer on items placed in the `tmp' directory.
*/
maildir_clean_tmp (mbox->path);
free (mbox->path);
free_message (mbox->msgs);
memset (mbox, 0xff, sizeof (mailbox_t));