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-rw-r--r--src/usermap.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/usermap.c b/src/usermap.c
index 0cffa33..f745e74 100644
--- a/src/usermap.c
+++ b/src/usermap.c
@@ -44,7 +44,11 @@ UsermapStatus usermap_add_uid(UserMap *map, uid_t from, uid_t to)
return usermap_status_ok;
}
if (map->user_size == map->user_capacity) {
- map->user_capacity *= 2;
+ if (map->user_capacity == 0) {
+ map->user_capacity = 8;
+ } else {
+ map->user_capacity *= 2;
+ }
map->user_from = (uid_t*)realloc(map->user_from, map->user_capacity * sizeof(uid_t));
map->user_to = (uid_t*)realloc(map->user_to, map->user_capacity * sizeof(uid_t));
}
@@ -65,7 +69,11 @@ UsermapStatus usermap_add_gid(UserMap *map, gid_t from, gid_t to)
return usermap_status_ok;
}
if (map->group_size == map->group_capacity) {
- map->group_capacity *= 2;
+ if (map->group_capacity == 0) {
+ map->group_capacity = 8;
+ } else {
+ map->group_capacity *= 2;
+ }
map->group_from = (gid_t*)realloc(map->group_from, map->group_capacity * sizeof(gid_t));
map->group_to = (gid_t*)realloc(map->group_to, map->group_capacity * sizeof(gid_t));
}