diff options
Diffstat (limited to 'nscd/connections.c')
| -rw-r--r-- | nscd/connections.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/nscd/connections.c b/nscd/connections.c index 47660d7..7f7514f 100644 --- a/nscd/connections.c +++ b/nscd/connections.c @@ -203,9 +203,10 @@ invalidate_cache (char *key) number = pwddb; else if (strcmp (key, "group") == 0) number = grpdb; - else if (strcmp (key, "hosts") == 0) + else if (__builtin_expect (strcmp (key, "hosts"), 0) == 0) number = hstdb; - else return; + else + return; if (dbs[number].enabled) prune_cache (&dbs[number], LONG_MAX); @@ -216,11 +217,11 @@ invalidate_cache (char *key) static void handle_request (int fd, request_header *req, void *key, uid_t uid) { - if (debug_level > 0) + if (__builtin_expect (debug_level, 0) > 0) dbg_log (_("handle_request: request received (Version = %d)"), req->version); - if (req->version != NSCD_VERSION) + if (__builtin_expect (req->version, NSCD_VERSION) != NSCD_VERSION) { if (debug_level > 0) dbg_log (_("\ @@ -229,12 +230,13 @@ cannot handle old request version %d; current version is %d"), return; } - if (req->type >= GETPWBYNAME && req->type <= LASTDBREQ) + if (__builtin_expect (req->type, GETPWBYNAME) >= GETPWBYNAME + && __builtin_expect (req->type, LASTDBREQ) <= LASTDBREQ) { struct hashentry *cached; struct database *db = &dbs[serv2db[req->type]]; - if (debug_level > 0) + if (__builtin_expect (debug_level, 0) > 0) { if (req->type == GETHOSTBYADDR || req->type == GETHOSTBYADDRv6) { @@ -256,7 +258,7 @@ cannot handle old request version %d; current version is %d"), if (TEMP_FAILURE_RETRY (write (fd, db->disabled_iov->iov_base, db->disabled_iov->iov_len)) != db->disabled_iov->iov_len - && debug_level > 0) + && __builtin_expect (debug_level, 0) > 0) { /* We have problems sending the result. */ char buf[256]; @@ -278,7 +280,7 @@ cannot handle old request version %d; current version is %d"), /* Hurray it's in the cache. */ if (TEMP_FAILURE_RETRY (write (fd, cached->packet, cached->total)) != cached->total - && debug_level > 0) + && __builtin_expect (debug_level, 0) > 0) { /* We have problems sending the result. */ char buf[256]; @@ -293,7 +295,7 @@ cannot handle old request version %d; current version is %d"), pthread_rwlock_unlock (&db->lock); } - else if (debug_level > 0) + else if (__builtin_expect (debug_level, 0) > 0) { if (req->type == INVALIDATE) dbg_log ("\t%s (%s)", serv2str[req->type], (char *)key); @@ -425,7 +427,7 @@ nscd_run (void *p) char buf[256]; uid_t uid = 0; - if (fd < 0) + if (__builtin_expect (fd, 0) < 0) { dbg_log (_("while accepting connection: %s"), strerror_r (errno, buf, sizeof (buf))); @@ -433,8 +435,9 @@ nscd_run (void *p) } /* Now read the request. */ - if (TEMP_FAILURE_RETRY (read (fd, &req, sizeof (req))) - != sizeof (req)) + if (__builtin_expect (TEMP_FAILURE_RETRY (read (fd, &req, + sizeof (req))) + != sizeof (req), 0)) { if (debug_level > 0) dbg_log (_("short read while reading request: %s"), @@ -469,7 +472,8 @@ nscd_run (void *p) /* It should not be possible to crash the nscd with a silly request (i.e., a terribly large key). We limit the size to 1kb. */ - if (req.key_len < 0 || req.key_len > 1024) + if (__builtin_expect (req.key_len, 1) < 0 + || __builtin_expect (req.key_len, 1) > 1024) { if (debug_level > 0) dbg_log (_("key length in request too long: %d"), req.key_len); @@ -481,8 +485,9 @@ nscd_run (void *p) /* Get the key. */ char keybuf[req.key_len]; - if (TEMP_FAILURE_RETRY (read (fd, keybuf, req.key_len)) - != req.key_len) + if (__builtin_expect (TEMP_FAILURE_RETRY (read (fd, keybuf, + req.key_len)) + != req.key_len, 0)) { if (debug_level > 0) dbg_log (_("short read while reading request key: %s"), |