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fix crash when no mailboxes match Patterns

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filter_boxes() just returns a null pointer in this case.

REFMAIL: 20150330121211.GA10315@venus.fritz.box
This commit is contained in:
Oswald Buddenhagen 2015-03-30 14:27:23 +02:00
parent 138983c91e
commit ba2b42ec9b
1 changed files with 10 additions and 6 deletions
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16
src/main.c
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@ -792,21 +792,25 @@ sync_chans( main_vars_t *mvars, int ent )
boxes[M] = filter_boxes( mvars->ctx[M]->boxes, mvars->chan->boxes[M], mvars->chan->patterns );
boxes[S] = filter_boxes( mvars->ctx[S]->boxes, mvars->chan->boxes[S], mvars->chan->patterns );
mboxapp = &mvars->chanptr->boxes;
for (mb = sb = 0; boxes[M][mb] || boxes[S][sb]; ) {
for (mb = sb = 0; ; ) {
char *mname = boxes[M] ? boxes[M][mb] : 0;
char *sname = boxes[S] ? boxes[S][sb] : 0;
if (!mname && !sname)
break;
mbox = nfmalloc( sizeof(*mbox) );
if (!(cmp = !boxes[M][mb] - !boxes[S][sb]) && !(cmp = cmp_box_names( boxes[M] + mb, boxes[S] + sb ))) {
mbox->name = boxes[M][mb];
free( boxes[S][sb] );
if (!(cmp = !mname - !sname) && !(cmp = cmp_box_names( &mname, &sname ))) {
mbox->name = mname;
free( sname );
mbox->present[M] = mbox->present[S] = BOX_PRESENT;
mb++;
sb++;
} else if (cmp < 0) {
mbox->name = boxes[M][mb];
mbox->name = mname;
mbox->present[M] = BOX_PRESENT;
mbox->present[S] = (!mb && !strcmp( mbox->name, "INBOX" )) ? BOX_PRESENT : BOX_ABSENT;
mb++;
} else {
mbox->name = boxes[S][sb];
mbox->name = sname;
mbox->present[M] = (!sb && !strcmp( mbox->name, "INBOX" )) ? BOX_PRESENT : BOX_ABSENT;
mbox->present[S] = BOX_PRESENT;
sb++;