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authorUlrich Drepper <drepper@redhat.com>2003-04-28 08:17:29 +0000
committerUlrich Drepper <drepper@redhat.com>2003-04-28 08:17:29 +0000
commit12c8051397a08cb582c5ccf39a49dae676a20074 (patch)
treea4e3da2a1ac06ac466059650ddbd718520cab96e /nscd
parentfe453812315b3420771c0a1b5e5ea7d1d0626b93 (diff)
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Update.
2003-04-28 Ulrich Drepper <drepper@redhat.com> * nscd/nscd_getgr_r.c: Compact code a bit. Add some __builtin_expect. * nscd/nscd_getpw_r.c: Likewise. * nscd/nscd_gethst_r.c: Likewise.
Diffstat (limited to 'nscd')
-rw-r--r--nscd/nscd_getgr_r.c50
-rw-r--r--nscd/nscd_gethst_r.c43
-rw-r--r--nscd/nscd_getpw_r.c35
3 files changed, 54 insertions, 74 deletions
diff --git a/nscd/nscd_getgr_r.c b/nscd/nscd_getgr_r.c
index eae2544..9d9d7d5 100644
--- a/nscd/nscd_getgr_r.c
+++ b/nscd/nscd_getgr_r.c
@@ -70,6 +70,7 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type,
gr_response_header gr_resp;
ssize_t nbytes;
struct iovec vec[2];
+ int result = -1;
if (sock == -1)
{
@@ -88,25 +89,18 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type,
nbytes = TEMP_FAILURE_RETRY (__writev (sock, vec, 2));
if (nbytes != (ssize_t) (sizeof (request_header) + keylen))
- {
- __close (sock);
- return -1;
- }
+ goto out;
nbytes = TEMP_FAILURE_RETRY (__read (sock, &gr_resp,
sizeof (gr_response_header)));
if (nbytes != (ssize_t) sizeof (gr_response_header))
- {
- __close (sock);
- return -1;
- }
+ goto out;
if (gr_resp.found == -1)
{
/* The daemon does not cache this database. */
- __close (sock);
__nss_not_use_nscd_group = 1;
- return -1;
+ goto out;
}
if (gr_resp.found == 1)
@@ -123,12 +117,12 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type,
& (__alignof__ (char *) - 1));
total_len = align + (1 + gr_resp.gr_mem_cnt) * sizeof (char *)
+ gr_resp.gr_name_len + gr_resp.gr_passwd_len;
- if (buflen < total_len)
+ if (__builtin_expect (buflen < total_len, 0))
{
no_room:
__set_errno (ERANGE);
- __close (sock);
- return ERANGE;
+ result = ERANGE;
+ goto out;
}
buflen -= total_len;
@@ -156,11 +150,9 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type,
total_len += gr_resp.gr_name_len + gr_resp.gr_passwd_len;
/* Get this data. */
- if ((size_t) TEMP_FAILURE_RETRY (__readv (sock, vec, 2)) != total_len)
- {
- __close (sock);
- return -1;
- }
+ size_t n = TEMP_FAILURE_RETRY (__readv (sock, vec, 2));
+ if (__builtin_expect (n != total_len, 0))
+ goto out;
/* Clear the terminating entry. */
resultbuf->gr_mem[gr_resp.gr_mem_cnt] = NULL;
@@ -174,26 +166,28 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type,
p += len[cnt];
}
- if (total_len > buflen)
+ if (__builtin_expect (total_len > buflen, 0))
goto no_room;
- if ((size_t) TEMP_FAILURE_RETRY (__read (sock, resultbuf->gr_mem[0],
- total_len)) != total_len)
+ result = 0;
+ n = TEMP_FAILURE_RETRY (__read (sock, resultbuf->gr_mem[0],
+ total_len));
+ if (__builtin_expect (n != total_len, 0))
{
- __close (sock);
/* The `errno' to some value != ERANGE. */
__set_errno (ENOENT);
- return ENOENT;
+ result = ENOENT;
}
-
- __close (sock);
- return 0;
}
else
{
- __close (sock);
/* The `errno' to some value != ERANGE. */
__set_errno (ENOENT);
- return ENOENT;
+ result = ENOENT;
}
+
+ out:
+ __close (sock);
+
+ return result;
}
diff --git a/nscd/nscd_gethst_r.c b/nscd/nscd_gethst_r.c
index 9488c53..69e7990 100644
--- a/nscd/nscd_gethst_r.c
+++ b/nscd/nscd_gethst_r.c
@@ -124,6 +124,7 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type,
request_header req;
ssize_t nbytes;
struct iovec vec[4];
+ int result = -1;
if (sock == -1)
{
@@ -142,25 +143,18 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type,
nbytes = TEMP_FAILURE_RETRY (__writev (sock, vec, 2));
if ((size_t) nbytes != sizeof (request_header) + req.key_len)
- {
- __close (sock);
- return -1;
- }
+ goto out;
nbytes = TEMP_FAILURE_RETRY (__read (sock, &hst_resp,
sizeof (hst_response_header)));
- if (nbytes != sizeof (hst_response_header))
- {
- __close (sock);
- return -1;
- }
+ if (__builtin_expect (nbytes != sizeof (hst_response_header), 0))
+ goto out;
if (hst_resp.found == -1)
{
/* The daemon does not cache this database. */
- __close (sock);
__nss_not_use_nscd_hosts = 1;
- return -1;
+ goto out;
}
if (hst_resp.found == 1)
@@ -190,8 +184,8 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type,
{
no_room:
__set_errno (ERANGE);
- __close (sock);
- return ERANGE;
+ result = ERANGE;
+ goto out;
}
cp += align1;
@@ -264,10 +258,7 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type,
resultbuf->h_addr_list[cnt] = NULL;
if ((size_t) TEMP_FAILURE_RETRY (__readv (sock, vec, n)) != total_len)
- {
- __close (sock);
- return -1;
- }
+ goto out;
/* Now we also can read the aliases. */
total_len = 0;
@@ -285,23 +276,21 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type,
/* And finally read the aliases. */
if ((size_t) TEMP_FAILURE_RETRY (__read (sock, resultbuf->h_aliases[0],
- total_len)) != total_len)
- {
- __close (sock);
- return -1;
- }
-
- __close (sock);
- return 0;
+ total_len)) == total_len)
+ result = 0;
}
else
{
/* Store the error number. */
*h_errnop = hst_resp.error;
- __close (sock);
/* The `errno' to some value != ERANGE. */
__set_errno (ENOENT);
- return ENOENT;
+ result = ENOENT;
}
+
+ out:
+ __close (sock);
+
+ return result;
}
diff --git a/nscd/nscd_getpw_r.c b/nscd/nscd_getpw_r.c
index abd059e..b0135d4 100644
--- a/nscd/nscd_getpw_r.c
+++ b/nscd/nscd_getpw_r.c
@@ -71,6 +71,7 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type,
pw_response_header pw_resp;
ssize_t nbytes;
struct iovec vec[2];
+ int result = -1;
if (sock == -1)
{
@@ -89,25 +90,18 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type,
nbytes = TEMP_FAILURE_RETRY (__writev (sock, vec, 2));
if (nbytes != (ssize_t) (sizeof (request_header) + keylen))
- {
- __close (sock);
- return -1;
- }
+ goto out;
nbytes = TEMP_FAILURE_RETRY (__read (sock, &pw_resp,
sizeof (pw_response_header)));
if (nbytes != (ssize_t) sizeof (pw_response_header))
- {
- __close (sock);
- return -1;
- }
+ goto out;
- if (pw_resp.found == -1)
+ if (__builtin_expect (pw_resp.found == -1, 0))
{
/* The daemon does not cache this database. */
- __close (sock);
__nss_not_use_nscd_passwd = 1;
- return -1;
+ goto out;
}
if (pw_resp.found == 1)
@@ -117,11 +111,11 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type,
+ pw_resp.pw_gecos_len + pw_resp.pw_dir_len
+ pw_resp.pw_shell_len);
- if (buflen < total)
+ if (__builtin_expect (buflen < total, 0))
{
__set_errno (ERANGE);
- __close (sock);
- return ERANGE;
+ result = ERANGE;
+ goto out;
}
/* Set the information we already have. */
@@ -145,15 +139,18 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type,
nbytes = TEMP_FAILURE_RETRY (__read (sock, buffer, total));
- __close (sock);
-
- return nbytes == (ssize_t) total ? 0 : -1;
+ if (nbytes == (ssize_t) total)
+ result = 0;
}
else
{
- __close (sock);
/* The `errno' to some value != ERANGE. */
__set_errno (ENOENT);
- return ENOENT;
+ result = ENOENT;
}
+
+ out:
+ __close (sock);
+
+ return result;
}