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pacman/upgrade: Refactor memory management 

Refactor the upgrade routine to use an array that can be allocated in
one step instead of an alpm_list that is gradually extended in loops.

Signed-off-by: Sören Brinkmann <soeren.brinkmann@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Sören Brinkmann 2014-03-11 19:29:21 -07:00 committed by Allan McRae
parent 3ebb7b94d9
commit fcf0cefd1a
1 changed files with 17 additions and 17 deletions
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34
src/pacman/upgrade.c
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@ -39,23 +39,25 @@
*/
int pacman_upgrade(alpm_list_t *targets)
{
int retval = 0;
alpm_list_t *i, *j, *remote = NULL;
int retval = 0, *file_is_remote;
alpm_list_t *i;
unsigned int n, num_targets;
if(targets == NULL) {
pm_printf(ALPM_LOG_ERROR, _("no targets specified (use -h for help)\n"));
return 1;
}
/* Check for URL targets and process them
*/
for(i = targets; i; i = alpm_list_next(i)) {
int *r = malloc(sizeof(int));
if(r == NULL) {
pm_printf(ALPM_LOG_ERROR, _("memory exhausted\n"));
return 1;
}
num_targets = alpm_list_count(targets);
/* Check for URL targets and process them */
file_is_remote = malloc(num_targets * sizeof(int));
if(file_is_remote == NULL) {
pm_printf(ALPM_LOG_ERROR, _("memory exhausted\n"));
return 1;
}
for(i = targets, n = 0; i; i = alpm_list_next(i), n++) {
if(strstr(i->data, "://")) {
char *str = alpm_fetch_pkgurl(config->handle, i->data);
if(str == NULL) {
@ -65,13 +67,11 @@ int pacman_upgrade(alpm_list_t *targets)
} else {
free(i->data);
i->data = str;
*r = 1;
file_is_remote[n] = 1;
}
} else {
*r = 0;
file_is_remote[n] = 0;
}
remote = alpm_list_add(remote, r);
}
if(retval) {
@ -85,12 +85,12 @@ int pacman_upgrade(alpm_list_t *targets)
printf(_("loading packages...\n"));
/* add targets to the created transaction */
for(i = targets, j = remote; i; i = alpm_list_next(i), j = alpm_list_next(j)) {
for(i = targets, n = 0; i; i = alpm_list_next(i), n++) {
const char *targ = i->data;
alpm_pkg_t *pkg;
alpm_siglevel_t level;
if(*(int *)j->data) {
if(file_is_remote[n]) {
level = alpm_option_get_remote_file_siglevel(config->handle);
} else {
level = alpm_option_get_local_file_siglevel(config->handle);
@ -112,7 +112,7 @@ int pacman_upgrade(alpm_list_t *targets)
config->explicit_adds = alpm_list_add(config->explicit_adds, pkg);
}
FREELIST(remote);
free(file_is_remote);
if(retval) {
trans_release();