diff options
Diffstat (limited to 'nscd/nscd_getpw_r.c')
-rw-r--r-- | nscd/nscd_getpw_r.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/nscd/nscd_getpw_r.c b/nscd/nscd_getpw_r.c index b0135d4..747c39b 100644 --- a/nscd/nscd_getpw_r.c +++ b/nscd/nscd_getpw_r.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 1999, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1998, 1999, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1998. @@ -35,43 +35,45 @@ int __nss_not_use_nscd_passwd; static int nscd_getpw_r (const char *key, size_t keylen, request_type type, struct passwd *resultbuf, char *buffer, - size_t buflen) internal_function; + size_t buflen, struct passwd **result) + internal_function; int __nscd_getpwnam_r (const char *name, struct passwd *resultbuf, char *buffer, - size_t buflen) + size_t buflen, struct passwd **result) { if (name == NULL) return -1; return nscd_getpw_r (name, strlen (name) + 1, GETPWBYNAME, resultbuf, - buffer, buflen); + buffer, buflen, result); } int __nscd_getpwuid_r (uid_t uid, struct passwd *resultbuf, char *buffer, - size_t buflen) + size_t buflen, struct passwd **result) { char buf[12]; size_t n; n = __snprintf (buf, sizeof (buf), "%d", uid) + 1; - return nscd_getpw_r (buf, n, GETPWBYUID, resultbuf, buffer, buflen); + return nscd_getpw_r (buf, n, GETPWBYUID, resultbuf, buffer, buflen, result); } static int internal_function nscd_getpw_r (const char *key, size_t keylen, request_type type, - struct passwd *resultbuf, char *buffer, size_t buflen) + struct passwd *resultbuf, char *buffer, size_t buflen, + struct passwd **result) { int sock = __nscd_open_socket (); request_header req; pw_response_header pw_resp; ssize_t nbytes; struct iovec vec[2]; - int result = -1; + int retval = -1; if (sock == -1) { @@ -79,6 +81,9 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type, return -1; } + /* No value found so far. */ + *result = NULL; + req.version = NSCD_VERSION; req.type = type; req.key_len = keylen; @@ -114,7 +119,7 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type, if (__builtin_expect (buflen < total, 0)) { __set_errno (ERANGE); - result = ERANGE; + retval = ERANGE; goto out; } @@ -140,17 +145,21 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type, nbytes = TEMP_FAILURE_RETRY (__read (sock, buffer, total)); if (nbytes == (ssize_t) total) - result = 0; + { + retval = 0; + *result = resultbuf; + } } else { /* The `errno' to some value != ERANGE. */ __set_errno (ENOENT); - result = ENOENT; + /* Even though we have not found anything, the result is zero. */ + retval = 0; } out: __close (sock); - return result; + return retval; } |