#include "config.h"
#include <stdio.h>
+#include <limits.h>
#if defined(STDC_HEADERS)
#include <stdlib.h>
#include <string.h>
* not respond to the request for a UID listing.
*
* Each time a message is fetched, we can check its UID against the
- * `oldsaved' list to see if it is old. If not, it should be downloaded
- * (and possibly deleted). It should be downloaded anyway if --all
- * is on. It should not be deleted if --keep is on.
+ * `oldsaved' list to see if it is old.
*
- * Each time a message is deleted, we mark its id UID_DELETED from the
+ * Each time a message-id is seen, we mark it with MARK_SEEN.
+ *
+ * Each time a message is deleted, we mark its id UID_DELETED in the
* `newsaved' member. When we want to assert that an expunge has been
* done on the server, we call expunge_uid() to register that all
* deleted messages are gone by marking them UID_EXPUNGED.
* At the end of the query, the `newsaved' member becomes the
* `oldsaved' list. The old `oldsaved' list is freed.
*
- * At the end of the fetchmail run, non-EXPUNGED members of all
+ * At the end of the fetchmail run, seen and non-EXPUNGED members of all
* current `oldsaved' lists are flushed out to the .fetchids file to
- * be picked up by the next run. (The UID_EXPUNGED test means that a
- * message marked UID_DELETED may still have its ID go to disk if
- * there has been no intervening expunge operation. This typically
- * comes up if the query was aborted by a line hit before a quit or
- * expunge was sent to the server.) If there are no un-expunged
+ * be picked up by the next run. If there are no un-expunged
* messages, the file is deleted.
*
- * Note: all comparisons are caseblind!
+ * Note: some comparisons (those used for DNS address lists) are caseblind!
*/
/* UIDs associated with un-queried hosts */
/* make sure lists are initially empty */
for (ctl = hostlist; ctl; ctl = ctl->next)
- ctl->oldsaved = ctl->newsaved = (struct idlist *)NULL;
+ ctl->skipped = ctl->oldsaved = ctl->newsaved = (struct idlist *)NULL;
/* let's get stored message UIDs from previous queries */
if ((tmpfp = fopen(idfile, "r")) != (FILE *)NULL) {
strcasecmp(host, ctl->server.truename) == 0
&& strcasecmp(user, ctl->remotename) == 0)
{
- save_str(&ctl->oldsaved, UID_KEPT, id);
+ save_str(&ctl->oldsaved, id, UID_SEEN);
break;
}
}
/* if it's not in a host we're querying, save it anyway */
if (ctl == (struct query *)NULL)
- save_str(&scratchlist, UID_KEPT, buf);
+ save_str(&scratchlist, buf, UID_SEEN);
}
}
fclose(tmpfp);
}
#endif /* POP3_ENABLE */
-struct idlist *save_str(struct idlist **idl, int num, const char *str)
+struct idlist *save_str(struct idlist **idl, const char *str, flag status)
/* save a number/UID pair on the given UID list */
{
struct idlist **end;
continue;
*end = (struct idlist *)xmalloc(sizeof(struct idlist));
- (*end)->val.num = num;
+ (*end)->val.status.mark = status;
(*end)->id = str ? xstrdup(str) : (char *)NULL;
(*end)->next = NULL;
}
#endif
-int str_in_list(struct idlist **idl, const char *str)
-/* is a given ID in the given list? (comparison is caseblind) */
+int str_in_list(struct idlist **idl, const char *str, const flag caseblind)
+/* is a given ID in the given list? (comparison may be caseblind) */
{
if (*idl == (struct idlist *)NULL || str == (char *) NULL)
return(0);
- else if (strcasecmp(str, (*idl)->id) == 0)
+ else if (!caseblind && strcmp(str, (*idl)->id) == 0)
+ return(1);
+ else if (caseblind && strcasecmp(str, (*idl)->id) == 0)
return(1);
else
- return(str_in_list(&(*idl)->next, str));
+ return(str_in_list(&(*idl)->next, str, caseblind));
}
int str_nr_in_list( struct idlist **idl, const char *str )
if ( !str )
return -1;
for( walk = *idl, nr = 0; walk; nr ++, walk = walk->next )
- if( strcasecmp( str, walk->id) == 0 )
+ if( strcmp( str, walk->id) == 0 )
return nr;
return -1;
}
-int count_list( struct idlist **idl )
- /* count the number of elements in the list */
+int str_nr_last_in_list( struct idlist **idl, const char *str)
+/* return the last position of str in idl */
+{
+ int nr, ret = -1;
+ struct idlist *walk;
+ if ( !str )
+ return -1;
+ for( walk = *idl, nr = 0; walk; nr ++, walk = walk->next )
+ if( strcmp( str, walk->id) == 0 )
+ ret = nr;
+ return ret;
+}
+
+void str_set_mark( struct idlist **idl, const char *str, const flag val)
+/* update the mark on an of an id to given value */
+{
+ int nr;
+ struct idlist *walk;
+ if (!str)
+ return;
+ for(walk = *idl, nr = 0; walk; nr ++, walk = walk->next)
+ if (strcmp(str, walk->id) == 0)
+ walk->val.status.mark = val;
+}
+
+int count_list( struct idlist **idl)
+/* count the number of elements in the list */
{
if( !*idl )
return 0;
return 1 + count_list( &(*idl)->next );
}
-char* str_from_nr_list( struct idlist **idl, int number )
- /* return the number'th string in idl */
+char *str_from_nr_list(struct idlist **idl, int number)
+/* return the number'th string in idl */
{
if( !*idl || number < 0)
return 0;
{
if (*idl == (struct idlist *) 0)
return((char *) 0);
- else if (number == (*idl)->val.num)
+ else if (number == (*idl)->val.status.num)
return((*idl)->id);
else
return(str_find(&(*idl)->next, number));
int delete_str(struct idlist **idl, int num)
/* delete given message from given list */
{
-#ifdef HARD_DELETE /* not used */
- if (*idl == (struct idlist *)NULL)
- return(0);
- else if ((*idl)->val.num == num)
- {
- struct idlist *next = (*idl)->next;
-
- free ((*idl)->id);
- free(*idl);
- *idl = next;
- return(1);
- }
- else
- return(delete_str(&(*idl)->next, num));
-#else
struct idlist *idp;
for (idp = *idl; idp; idp = idp->next)
- if (idp->val.num == num)
+ if (idp->val.status.num == num)
{
- idp->val.num = UID_DELETED;
+ idp->val.status.mark = UID_DELETED;
return(1);
}
return(0);
-#endif /* HARD_DELETE */
}
void append_str_list(struct idlist **idl, struct idlist **nidl)
/* append nidl to idl (does not copy *) */
{
- if ((*idl) == (struct idlist *)NULL)
+ if ((*nidl) == (struct idlist *)NULL || *nidl == *idl)
+ return;
+ else if ((*idl) == (struct idlist *)NULL)
*idl = *nidl;
else if ((*idl)->next == (struct idlist *)NULL)
(*idl)->next = *nidl;
struct idlist *idl;
for (idl = ctl->newsaved; idl; idl = idl->next)
- if (idl->val.num == UID_DELETED)
- idl->val.num = UID_EXPUNGED;
+ if (idl->val.status.mark == UID_DELETED)
+ idl->val.status.mark = UID_EXPUNGED;
}
void update_str_lists(struct query *ctl)
if ((tmpfp = fopen(idfile, "w")) != (FILE *)NULL) {
for (ctl = hostlist; ctl; ctl = ctl->next) {
for (idp = ctl->oldsaved; idp; idp = idp->next)
- if (idp->val.num != UID_EXPUNGED)
+ if (idp->val.status.mark == UID_SEEN
+ || idp->val.status.mark == UID_DELETED)
fprintf(tmpfp, "%s@%s %s\n",
ctl->remotename, ctl->server.truename, idp->id);
}