/**
* mh_read_sequences - Read a set of MH sequences
* @param mhs Existing sequences
* @param path File to read from
* @retval 0 Success
* @retval -1 Error
*/
int mh_read_sequences(struct MhSequences *mhs, const char *path)
{
int line = 1;
char *buf = NULL;
size_t sz = 0;
MhSeqFlags flags;
int first, last, rc = 0;
char pathname[PATH_MAX];
snprintf(pathname, sizeof(pathname), "%s/.mh_sequences", path);
FILE *fp = fopen(pathname, "r");
if (!fp)
return 0; /* yes, ask callers to silently ignore the error */
while ((buf = mutt_file_read_line(buf, &sz, fp, &line, 0)))
{
char *t = strtok(buf, " \t:");
if (!t)
continue;
if (mutt_str_strcmp(t, C_MhSeqUnseen) == 0)
flags = MH_SEQ_UNSEEN;
else if (mutt_str_strcmp(t, C_MhSeqFlagged) == 0)
flags = MH_SEQ_FLAGGED;
else if (mutt_str_strcmp(t, C_MhSeqReplied) == 0)
flags = MH_SEQ_REPLIED;
else /* unknown sequence */
continue;
while ((t = strtok(NULL, " \t:")))
{
if (mh_read_token(t, &first, &last) < 0)
{
mhs_free_sequences(mhs);
rc = -1;
goto out;
}
for (; first <= last; first++)
mhs_set(mhs, first, flags);
}
}
rc = 0;
out:
FREE(&buf);
mutt_file_fclose(&fp);
return rc;
}
static void mh_read_sequences (struct mh_sequences *mhs, const char *path)
{
FILE *fp;
int line = 1;
char *buff = NULL;
char *t;
size_t sz = 0;
short f;
int first, last;
char pathname[_POSIX_PATH_MAX];
snprintf (pathname, sizeof (pathname), "%s/.mh_sequences", path);
if (!(fp = fopen (pathname, "r")))
return;
while ((buff = mutt_read_line (buff, &sz, fp, &line)))
{
if (!(t = strtok (buff, " \t:")))
continue;
if (!mutt_strcmp (t, MhUnseen))
f = MH_SEQ_UNSEEN;
else if (!mutt_strcmp (t, MhFlagged))
f = MH_SEQ_FLAGGED;
else if (!mutt_strcmp (t, MhReplied))
f = MH_SEQ_REPLIED;
else /* unknown sequence */
continue;
while ((t = strtok (NULL, " \t:")))
{
mh_read_token (t, &first, &last);
for (; first <= last; first++)
mhs_set (mhs, first, f);
}
}
safe_free ((void **) &buff);
safe_fclose (&fp);
}
void mh_update_sequences (CONTEXT *ctx)
{
FILE *ofp, *nfp;
char sequences[_POSIX_PATH_MAX];
char *tmpfname;
char *buff = NULL;
char *p;
size_t s;
int l = 0;
int i;
int unseen = 0;
int flagged = 0;
int replied = 0;
char seq_unseen[STRING];
char seq_replied[STRING];
char seq_flagged[STRING];
struct mh_sequences mhs;
memset (&mhs, 0, sizeof (mhs));
snprintf (seq_unseen, sizeof (seq_unseen), "%s:", NONULL (MhUnseen));
snprintf (seq_replied, sizeof (seq_replied), "%s:", NONULL (MhReplied));
snprintf (seq_flagged, sizeof (seq_flagged), "%s:", NONULL (MhFlagged));
if (mh_mkstemp (ctx, &nfp, &tmpfname) != 0)
{
/* error message? */
return;
}
snprintf (sequences, sizeof (sequences), "%s/.mh_sequences", ctx->path);
/* first, copy unknown sequences */
if ((ofp = fopen (sequences, "r")))
{
while ((buff = mutt_read_line (buff, &s, ofp, &l)))
{
if (!mutt_strncmp (buff, seq_unseen, mutt_strlen (seq_unseen)))
continue;
if (!mutt_strncmp (buff, seq_flagged, mutt_strlen (seq_flagged)))
continue;
if (!mutt_strncmp (buff, seq_replied, mutt_strlen (seq_replied)))
continue;
fprintf (nfp, "%s\n", buff);
}
}
safe_fclose (&ofp);
/* now, update our unseen, flagged, and replied sequences */
for (l = 0; l < ctx->msgcount; l++)
{
if (ctx->hdrs[l]->deleted)
continue;
if ((p = strrchr (ctx->hdrs[l]->path, '/')))
p++;
else
p = ctx->hdrs[l]->path;
i = atoi (p);
if (!ctx->hdrs[l]->read)
{
mhs_set (&mhs, i, MH_SEQ_UNSEEN);
unseen++;
}
if (ctx->hdrs[l]->flagged)
{
mhs_set (&mhs, i, MH_SEQ_FLAGGED);
flagged++;
}
if (ctx->hdrs[l]->replied)
{
mhs_set (&mhs, i, MH_SEQ_REPLIED);
replied++;
}
}
/* write out the new sequences */
if (unseen) mhs_write_one_sequence (nfp, &mhs, MH_SEQ_UNSEEN, NONULL (MhUnseen));
if (flagged) mhs_write_one_sequence (nfp, &mhs, MH_SEQ_FLAGGED, NONULL (MhFlagged));
if (replied) mhs_write_one_sequence (nfp, &mhs, MH_SEQ_REPLIED, NONULL (MhReplied));
mhs_free_sequences (&mhs);
/* try to commit the changes - no guarantee here */
safe_fclose (&nfp);
unlink (sequences);
if (safe_rename (tmpfname, sequences) != 0)
{
/* report an error? */
unlink (tmpfname);
}
safe_free ((void **) &tmpfname);
}
/**
* mh_update_sequences - Update sequence numbers
* @param m Mailbox
*
* XXX we don't currently remove deleted messages from sequences we don't know.
* Should we?
*/
void mh_update_sequences(struct Mailbox *m)
{
char sequences[PATH_MAX];
char *tmpfname = NULL;
char *buf = NULL;
char *p = NULL;
size_t s;
int l = 0;
int i;
int unseen = 0;
int flagged = 0;
int replied = 0;
char seq_unseen[256];
char seq_replied[256];
char seq_flagged[256];
struct MhSequences mhs = { 0 };
snprintf(seq_unseen, sizeof(seq_unseen), "%s:", NONULL(C_MhSeqUnseen));
snprintf(seq_replied, sizeof(seq_replied), "%s:", NONULL(C_MhSeqReplied));
snprintf(seq_flagged, sizeof(seq_flagged), "%s:", NONULL(C_MhSeqFlagged));
FILE *fp_new = NULL;
if (mh_mkstemp(m, &fp_new, &tmpfname) != 0)
{
/* error message? */
return;
}
snprintf(sequences, sizeof(sequences), "%s/.mh_sequences", m->path);
/* first, copy unknown sequences */
FILE *fp_old = fopen(sequences, "r");
if (fp_old)
{
while ((buf = mutt_file_read_line(buf, &s, fp_old, &l, 0)))
{
if (mutt_str_startswith(buf, seq_unseen, CASE_MATCH) ||
mutt_str_startswith(buf, seq_flagged, CASE_MATCH) ||
mutt_str_startswith(buf, seq_replied, CASE_MATCH))
continue;
fprintf(fp_new, "%s\n", buf);
}
}
mutt_file_fclose(&fp_old);
/* now, update our unseen, flagged, and replied sequences */
for (l = 0; l < m->msg_count; l++)
{
if (m->emails[l]->deleted)
continue;
p = strrchr(m->emails[l]->path, '/');
if (p)
p++;
else
p = m->emails[l]->path;
if (mutt_str_atoi(p, &i) < 0)
continue;
if (!m->emails[l]->read)
{
mhs_set(&mhs, i, MH_SEQ_UNSEEN);
unseen++;
}
if (m->emails[l]->flagged)
{
mhs_set(&mhs, i, MH_SEQ_FLAGGED);
flagged++;
}
if (m->emails[l]->replied)
{
mhs_set(&mhs, i, MH_SEQ_REPLIED);
replied++;
}
}
/* write out the new sequences */
if (unseen)
mhs_write_one_sequence(fp_new, &mhs, MH_SEQ_UNSEEN, NONULL(C_MhSeqUnseen));
if (flagged)
mhs_write_one_sequence(fp_new, &mhs, MH_SEQ_FLAGGED, NONULL(C_MhSeqFlagged));
if (replied)
mhs_write_one_sequence(fp_new, &mhs, MH_SEQ_REPLIED, NONULL(C_MhSeqReplied));
mhs_free_sequences(&mhs);
/* try to commit the changes - no guarantee here */
mutt_file_fclose(&fp_new);
unlink(sequences);
if (mutt_file_safe_rename(tmpfname, sequences) != 0)
{
/* report an error? */
unlink(tmpfname);
}
FREE(&tmpfname);
}
