diff options
Diffstat (limited to 'libbb/procps.c')
| -rw-r--r-- | libbb/procps.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/libbb/procps.c b/libbb/procps.c index 52203ee..2581d03 100644 --- a/libbb/procps.c +++ b/libbb/procps.c @@ -35,6 +35,7 @@ void clear_username_cache(void) clear_cache(&groupname); } +#if 0 /* more generic, but we don't need that yet */ /* Returns -N-1 if not found. */ /* cp->cache[N] is allocated and must be filled in this case */ static int get_cached(cache_t *cp, unsigned id) @@ -48,25 +49,28 @@ static int get_cached(cache_t *cp, unsigned id) cp->cache[i++].id = id; return -i; } +#endif + +typedef char* ug_func(char *name, long uid, int bufsize); +static char* get_cached(cache_t *cp, unsigned id, ug_func* fp) +{ + int i; + for (i = 0; i < cp->size; i++) + if (cp->cache[i].id == id) + return cp->cache[i].name; + i = cp->size++; + cp->cache = xrealloc(cp->cache, cp->size * sizeof(*cp->cache)); + cp->cache[i].id = id; + fp(cp->cache[i].name, id, sizeof(cp->cache[i].name)); + return cp->cache[i].name; +} const char* get_cached_username(uid_t uid) { - int i = get_cached(&username, uid); - if (i < 0) { - i = -i - 1; - bb_getpwuid(username.cache[i].name, uid, - sizeof(username.cache[i].name)); - } - return username.cache[i].name; + return get_cached(&username, uid, bb_getpwuid); } -const char* get_cached_groupname(uid_t uid) +const char* get_cached_groupname(gid_t gid) { - int i = get_cached(&groupname, uid); - if (i < 0) { - i = -i - 1; - bb_getgrgid(groupname.cache[i].name, uid, - sizeof(groupname.cache[i].name)); - } - return username.cache[i].name; + return get_cached(&groupname, gid, bb_getgrgid); } |