static gboolean
alpm_pkg_has_basename (alpm_pkg_t *pkg, const gchar *basename)
{
const alpm_list_t *i;
g_return_val_if_fail (pkg != NULL, FALSE);
g_return_val_if_fail (basename != NULL, FALSE);
g_return_val_if_fail (alpm != NULL, FALSE);
if (g_strcmp0 (alpm_pkg_get_filename (pkg), basename) == 0) {
return TRUE;
}
if (alpm_option_get_deltaratio (alpm) == 0.0) {
return FALSE;
}
for (i = alpm_pkg_get_deltas (pkg); i != NULL; i = i->next) {
alpm_delta_t *delta = (alpm_delta_t *) i->data;
if (g_strcmp0 (delta->delta, basename) == 0) {
return TRUE;
}
}
return FALSE;
}
alpm_list_t SYMEXPORT *alpm_pkg_unused_deltas(pmpkg_t *pkg)
{
off_t pkgsize = alpm_pkg_get_size(pkg);
alpm_list_t *unused = find_unused(
alpm_pkg_get_deltas(pkg),
alpm_pkg_get_filename(pkg),
pkgsize * MAX_DELTA_RATIO);
return unused;
}
/** Compute the size of the files that will be downloaded to install a
* package.
* @param newpkg the new package to upgrade to
*/
static int compute_download_size(alpm_pkg_t *newpkg)
{
const char *fname;
char *fpath;
off_t size = 0;
alpm_handle_t *handle = newpkg->handle;
if(newpkg->origin != PKG_FROM_SYNCDB) {
newpkg->infolevel |= INFRQ_DSIZE;
newpkg->download_size = 0;
return 0;
}
fname = alpm_pkg_get_filename(newpkg);
ASSERT(fname != NULL, RET_ERR(handle, ALPM_ERR_PKG_INVALID_NAME, -1));
fpath = _alpm_filecache_find(handle, fname);
if(fpath) {
FREE(fpath);
size = 0;
} else if(handle->usedelta) {
off_t dltsize;
off_t pkgsize = alpm_pkg_get_size(newpkg);
dltsize = _alpm_shortest_delta_path(handle,
alpm_pkg_get_deltas(newpkg),
alpm_pkg_get_filename(newpkg),
&newpkg->delta_path);
if(newpkg->delta_path && (dltsize < pkgsize * MAX_DELTA_RATIO)) {
_alpm_log(handle, ALPM_LOG_DEBUG, "using delta size\n");
size = dltsize;
} else {
_alpm_log(handle, ALPM_LOG_DEBUG, "using package size\n");
size = alpm_pkg_get_size(newpkg);
alpm_list_free(newpkg->delta_path);
newpkg->delta_path = NULL;
}
} else {
size = alpm_pkg_get_size(newpkg);
}
_alpm_log(handle, ALPM_LOG_DEBUG, "setting download size %jd for pkg %s\n",
(intmax_t)size, alpm_pkg_get_name(newpkg));
newpkg->infolevel |= INFRQ_DSIZE;
newpkg->download_size = size;
return 0;
}
