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path: root/lib/libalpm/be_local.c
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Diffstat (limited to 'lib/libalpm/be_local.c')
-rw-r--r--lib/libalpm/be_local.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index 58582705..c1e86a63 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -367,7 +367,8 @@ static int is_dir(const char *path, struct dirent *entry)
static int local_db_populate(pmdb_t *db)
{
- int est_count, count = 0;
+ size_t est_count;
+ int count = 0;
struct stat buf;
struct dirent *ent = NULL;
const char *dbpath;
@@ -379,17 +380,36 @@ static int local_db_populate(pmdb_t *db)
dbpath = _alpm_db_path(db);
if(dbpath == NULL) {
- return(-1);
+ RET_ERR(PM_ERR_DB_OPEN, -1);
}
dbdir = opendir(dbpath);
if(dbdir == NULL) {
- return(0);
+ if(errno == ENOENT) {
+ /* no database existing yet is not an error */
+ return(0);
+ }
+ RET_ERR(PM_ERR_DB_OPEN, -1);
}
if(fstat(dirfd(dbdir), &buf) != 0) {
- return(0);
+ RET_ERR(PM_ERR_DB_OPEN, -1);
+ }
+ if(buf.st_nlink >= 2) {
+ est_count = buf.st_nlink;
+ } else {
+ /* Some filesystems don't subscribe to the two-implicit links school of
+ * thought, e.g. BTRFS, HFS+. See
+ * http://kerneltrap.org/mailarchive/linux-btrfs/2010/1/23/6723483/thread
+ */
+ est_count = 0;
+ while((ent = readdir(dbdir)) != NULL) {
+ est_count++;
+ }
+ rewinddir(dbdir);
+ }
+ if(est_count >= 2) {
+ /* subtract the two extra pointers to get # of children */
+ est_count -= 2;
}
- /* subtract the two always-there pointers to get # of children */
- est_count = (int)buf.st_nlink - 2;
/* initialize hash at 50% full */
db->pkgcache = _alpm_pkghash_create(est_count * 2);