/*
* Remove any entry from the cache which has a data field of `pkg'.
* Return value:
* 1: everything ok
* 0: error
*/
int
pkgdb_remove_pkg(const char *pkg)
{
DBT data;
DBT key;
int type;
int ret;
int cc;
char cachename[MaxPathSize];
if (pkgdbp == NULL) {
return 0;
}
(void) _pkgdb_getPKGDB_FILE(cachename, sizeof(cachename));
cc = strlen(pkg);
for (ret = 1, type = R_FIRST; (*pkgdbp->seq)(pkgdbp, &key, &data, type) == 0 ; type = R_NEXT) {
if ((cc + 1) == data.size && strncmp(data.data, pkg, cc) == 0) {
if (Verbose) {
printf("Removing file `%s' from %s\n", (char *)key.data, cachename);
}
switch ((*pkgdbp->del)(pkgdbp, &key, 0)) {
case -1:
warn("Error removing `%s' from %s", (char *)key.data, cachename);
ret = 0;
break;
case 1:
warn("Key `%s' not present in %s", (char *)key.data, cachename);
ret = 0;
break;
}
}
}
return ret;
}
/*
* Open the pkg-database
* Return value:
* 1: everything ok
* 0: error
*/
int
pkgdb_open(int mode)
{
BTREEINFO info;
char cachename[MaxPathSize];
/* try our btree format first */
info.flags = 0;
info.cachesize = 2*1024*1024;
info.maxkeypage = 0;
info.minkeypage = 0;
info.psize = 4096;
info.compare = NULL;
info.prefix = NULL;
info.lorder = 0;
pkgdbp = (DB *) dbopen(_pkgdb_getPKGDB_FILE(cachename, sizeof(cachename)),
(mode == ReadOnly) ? O_RDONLY : O_RDWR | O_CREAT,
0644, DB_BTREE, (void *) &info);
return (pkgdbp != NULL);
}
static void
rebuild(void)
{
char cachename[MaxPathSize];
int pkgcnt, filecnt;
pkgcnt = 0;
filecnt = 0;
(void) _pkgdb_getPKGDB_FILE(cachename, sizeof(cachename));
if (unlink(cachename) != 0 && errno != ENOENT)
err(EXIT_FAILURE, "unlink %s", cachename);
setbuf(stdout, NULL);
iterate_pkg_db(add_pkg, &filecnt);
printf("\n");
printf("Stored %d file%s from %d package%s in %s.\n",
filecnt, filecnt == 1 ? "" : "s",
pkgcnt, pkgcnt == 1 ? "" : "s",
cachename);
}
