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Diffstat (limited to 'nss/getXXent_r.c')
-rw-r--r--nss/getXXent_r.c88
1 files changed, 61 insertions, 27 deletions
diff --git a/nss/getXXent_r.c b/nss/getXXent_r.c
index 1d06a94..52e2136 100644
--- a/nss/getXXent_r.c
+++ b/nss/getXXent_r.c
@@ -1,21 +1,21 @@
/* Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include <libc-lock.h>
@@ -48,17 +48,17 @@ Boston, MA 02111-1307, USA. */
/* To make the real sources a bit prettier. */
#define REENTRANT_GETNAME APPEND_R (GETFUNC_NAME)
-#define APPEND_R(name) APPEND_R1 (name)
-#define APPEND_R1(name) name##_r
-#define INTERNAL(name) INTERNAL1 (name)
-#define INTERNAL1(name) __##name
+#define APPEND_R(Name) CONCAT2_2 (Name, _r)
+#define INTERNAL(Name) CONCAT2_2 (__, Name)
+#define CONCAT2_1(Pre, Post) CONCAT2_2 (Pre, Post)
+#define CONCAT2_2(Pre, Post) Pre##Post
#define SETFUNC_NAME_STRING STRINGIZE (SETFUNC_NAME)
#define GETFUNC_NAME_STRING STRINGIZE (REENTRANT_GETNAME)
#define ENDFUNC_NAME_STRING STRINGIZE (ENDFUNC_NAME)
#define DATABASE_NAME_STRING STRINGIZE (DATABASE_NAME)
-#define STRINGIZE(name) STRINGIZE1 (name)
-#define STRINGIZE1(name) #name
+#define STRINGIZE(Name) STRINGIZE1 (Name)
+#define STRINGIZE1(Name) #Name
#define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup)
#define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post)
@@ -74,9 +74,13 @@ Boston, MA 02111-1307, USA. */
#endif
/* Some databases take the `stayopen' flag. */
-#ifndef STAYOPEN
-#define STAYOPEN void
-#define STAYOPEN_VAR
+#ifdef STAYOPEN
+# define STAYOPEN_TMP CONCAT2_1 (STAYOPEN, _tmp)
+# define STAYOPEN_TMPVAR CONCAT2_1 (STAYOPEN_VAR, _tmp)
+#else
+# define STAYOPEN void
+# define STAYOPEN_VAR
+# define STAYOPEN_TMPVAR
#endif
/* Prototype for the setXXXent functions we use here. */
@@ -95,6 +99,13 @@ static service_user *nip;
/* Remember the first service_entry, it's always the same. */
static service_user *startp;
+#ifdef STAYOPEN_TMP
+/* We need to remember the last `stayopen' flag given by the user
+ since the `setent' function is only called for the first available
+ service. */
+static STAYOPEN_TMP;
+#endif
+
/* Protect above variable against multiple uses at the same time. */
__libc_lock_define_initialized (static, lock)
@@ -143,15 +154,21 @@ SETFUNC_NAME (STAYOPEN)
__libc_lock_lock (lock);
- /* Cycle through all the services and run their setXXent functions. */
+ /* Cycle through the services and run their `setXXent' functions until
+ we find an available service. */
no_more = setup ((void **) &fct, SETFUNC_NAME_STRING, 1);
while (! no_more)
{
- /* Ignore status, we force check in __NSS_NEXT. */
- (void) (*fct) (STAYOPEN_VAR);
+ enum nss_status status = (*fct) (STAYOPEN_VAR);
- no_more = __nss_next (&nip, SETFUNC_NAME_STRING, (void **) &fct, 0, 1);
+ no_more = __nss_next (&nip, SETFUNC_NAME_STRING, (void **) &fct,
+ status, 1);
}
+ nip = NULL;
+
+#ifdef STAYOPEN_TMP
+ STAYOPEN_TMPVAR = STAYOPEN_VAR;
+#endif
__libc_lock_unlock (lock);
}
@@ -182,6 +199,7 @@ ENDFUNC_NAME (void)
no_more = __nss_next (&nip, ENDFUNC_NAME_STRING, (void **) &fct, 0, 1);
}
+ nip = NULL;
__libc_lock_unlock (lock);
}
@@ -214,10 +232,26 @@ INTERNAL (REENTRANT_GETNAME) (LOOKUP_TYPE *resbuf, char *buffer, size_t buflen,
no_more = setup ((void **) &fct, GETFUNC_NAME_STRING, 0);
while (! no_more)
{
+ service_user *current_nip = nip;
+
status = (*fct) (resbuf, buffer, buflen H_ERRNO_VAR);
no_more = __nss_next (&nip, GETFUNC_NAME_STRING, (void **) &fct,
status, 0);
+
+ if (! no_more && current_nip != nip)
+ /* Call the `setXXent' function. This wasn't done before. */
+ do
+ {
+ set_function *sfct;
+
+ no_more = __nss_lookup (&nip, SETFUNC_NAME_STRING,
+ (void **) &sfct);
+
+ if (! no_more)
+ status = (*sfct) (STAYOPEN_TMPVAR);
+ }
+ while (! no_more && status != NSS_STATUS_SUCCESS);
}
__libc_lock_unlock (lock);