diff options
Diffstat (limited to 'lib/libalpm/be_local.c')
| -rw-r--r-- | lib/libalpm/be_local.c | 32 |
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); |