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-rw-r--r--nis/nss_compat/compat-grp.c48
-rw-r--r--nis/nss_compat/compat-initgroups.c6
-rw-r--r--nis/nss_compat/compat-pwd.c83
-rw-r--r--nis/nss_compat/compat-spwd.c73
4 files changed, 117 insertions, 93 deletions
diff --git a/nis/nss_compat/compat-grp.c b/nis/nss_compat/compat-grp.c
index 08bf5d2f80..236c84a20f 100644
--- a/nis/nss_compat/compat-grp.c
+++ b/nis/nss_compat/compat-grp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999,2001,2002,2003,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001-2005,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
 
@@ -59,12 +59,13 @@ struct blacklist_t
 struct ent_t
 {
   bool_t files;
+  enum nss_status setent_status;
   FILE *stream;
   struct blacklist_t blacklist;
 };
 typedef struct ent_t ent_t;
 
-static ent_t ext_ent = {TRUE, NULL, {NULL, 0, 0}};
+static ent_t ext_ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
 
 /* Protect global state against multiple changers.  */
 __libc_lock_define_initialized (static, lock)
@@ -89,7 +90,7 @@ init_nss_interface (void)
 }
 
 static enum nss_status
-internal_setgrent (ent_t *ent, int stayopen)
+internal_setgrent (ent_t *ent, int stayopen, int needent)
 {
   enum nss_status status = NSS_STATUS_SUCCESS;
 
@@ -137,8 +138,8 @@ internal_setgrent (ent_t *ent, int stayopen)
   else
     rewind (ent->stream);
 
-  if (status == NSS_STATUS_SUCCESS && nss_setgrent)
-    return nss_setgrent (stayopen);
+  if (needent && status == NSS_STATUS_SUCCESS && nss_setgrent)
+    ent->setent_status = nss_setgrent (stayopen);
 
   return status;
 }
@@ -154,7 +155,7 @@ _nss_compat_setgrent (int stayopen)
   if (ni == NULL)
     init_nss_interface ();
 
-  result = internal_setgrent (&ext_ent, stayopen);
+  result = internal_setgrent (&ext_ent, stayopen, 1);
 
   __libc_lock_unlock (lock);
 
@@ -208,6 +209,10 @@ getgrent_next_nss (struct group *result, ent_t *ent, char *buffer,
   if (!nss_getgrent_r)
     return NSS_STATUS_UNAVAIL;
 
+  /* If the setgrent call failed, say so.  */
+  if (ent->setent_status != NSS_STATUS_SUCCESS)
+    return ent->setent_status;
+
   do
     {
       enum nss_status status;
@@ -229,9 +234,10 @@ getgrnam_plusgroup (const char *name, struct group *result, ent_t *ent,
   if (!nss_getgrnam_r)
     return NSS_STATUS_UNAVAIL;
 
-  if (nss_getgrnam_r (name, result, buffer, buflen, errnop) !=
-      NSS_STATUS_SUCCESS)
-    return NSS_STATUS_NOTFOUND;
+  enum nss_status status = nss_getgrnam_r (name, result, buffer, buflen,
+					   errnop);
+  if (status != NSS_STATUS_SUCCESS)
+    return status;
 
   if (in_blacklist (result->gr_name, strlen (result->gr_name), ent))
     return NSS_STATUS_NOTFOUND;
@@ -358,7 +364,7 @@ _nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen,
     init_nss_interface ();
 
   if (ext_ent.stream == NULL)
-    result = internal_setgrent (&ext_ent, 1);
+    result = internal_setgrent (&ext_ent, 1, 1);
 
   if (result == NSS_STATUS_SUCCESS)
     {
@@ -480,7 +486,7 @@ enum nss_status
 _nss_compat_getgrnam_r (const char *name, struct group *grp,
 			char *buffer, size_t buflen, int *errnop)
 {
-  ent_t ent = {TRUE, NULL, {NULL, 0, 0}};
+  ent_t ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
   enum nss_status result;
 
   if (name[0] == '-' || name[0] == '+')
@@ -493,7 +499,7 @@ _nss_compat_getgrnam_r (const char *name, struct group *grp,
 
   __libc_lock_unlock (lock);
 
-  result = internal_setgrent (&ent, 0);
+  result = internal_setgrent (&ent, 0, 0);
 
   if (result == NSS_STATUS_SUCCESS)
     result = internal_getgrnam_r (name, grp, &ent, buffer, buflen, errnop);
@@ -551,7 +557,7 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
 	     !(parse_res = _nss_files_parse_grent (p, result, data, buflen,
 						   errnop)));
 
-      if (parse_res == -1)
+      if (__builtin_expect (parse_res == -1, 0))
 	/* The parser ran out of space.  */
 	goto erange_reset;
 
@@ -574,13 +580,17 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
       /* +group */
       if (result->gr_name[0] == '+' && result->gr_name[1] != '\0')
 	{
+	  /* Yes, no +1, see the memcpy call below.  */
+	  size_t len = strlen (result->gr_name);
+	  char buf[len];
 	  enum nss_status status;
 
 	  /* Store the group in the blacklist for the "+" at the end of
 	     /etc/group */
-	  blacklist_store_name (&result->gr_name[1], ent);
+	  memcpy (buf, &result->gr_name[1], len);
 	  status = getgrnam_plusgroup (&result->gr_name[1], result, ent,
 				       buffer, buflen, errnop);
+	  blacklist_store_name (buf, ent);
 	  if (status == NSS_STATUS_SUCCESS && result->gr_gid == gid)
 	    break;
 	  else
@@ -589,9 +599,11 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
       /* +:... */
       if (result->gr_name[0] == '+' && result->gr_name[1] == '\0')
 	{
-	  enum nss_status status;
+	  if (!nss_getgrgid_r)
+	    return NSS_STATUS_UNAVAIL;
 
-	  status = nss_getgrgid_r (gid, result, buffer, buflen, errnop);
+	  enum nss_status status = nss_getgrgid_r (gid, result, buffer, buflen,
+						   errnop);
 	  if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
 	    return NSS_STATUS_NOTFOUND;
 	  else
@@ -606,7 +618,7 @@ enum nss_status
 _nss_compat_getgrgid_r (gid_t gid, struct group *grp,
 			char *buffer, size_t buflen, int *errnop)
 {
-  ent_t ent = {TRUE, NULL, {NULL, 0, 0}};
+  ent_t ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
   enum nss_status result;
 
   __libc_lock_lock (lock);
@@ -616,7 +628,7 @@ _nss_compat_getgrgid_r (gid_t gid, struct group *grp,
 
   __libc_lock_unlock (lock);
 
-  result = internal_setgrent (&ent, 0);
+  result = internal_setgrent (&ent, 0, 0);
 
   if (result == NSS_STATUS_SUCCESS)
     result = internal_getgrgid_r (gid, grp, &ent, buffer, buflen, errnop);
diff --git a/nis/nss_compat/compat-initgroups.c b/nis/nss_compat/compat-initgroups.c
index 9574ea7c0b..70403a0785 100644
--- a/nis/nss_compat/compat-initgroups.c
+++ b/nis/nss_compat/compat-initgroups.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2003, 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
 
@@ -36,7 +36,6 @@ static service_user *ni;
 static enum nss_status (*nss_initgroups_dyn) (const char *, gid_t,
 					      long int *, long int *,
 					      gid_t **, long int, int *);
-static enum nss_status (*nss_setgrent) (int stayopen);
 static enum nss_status (*nss_getgrnam_r) (const char *name,
 					  struct group * grp, char *buffer,
 					  size_t buflen, int *errnop);
@@ -45,7 +44,6 @@ static enum nss_status (*nss_getgrgid_r) (gid_t gid, struct group * grp,
 					  int *errnop);
 static enum nss_status (*nss_getgrent_r) (struct group * grp, char *buffer,
 					  size_t buflen, int *errnop);
-static enum nss_status (*nss_endgrent) (void);
 
 /* Protect global state against multiple changers.  */
 __libc_lock_define_initialized (static, lock)
@@ -92,11 +90,9 @@ init_nss_interface (void)
       && __nss_database_lookup ("group_compat", NULL, "nis", &ni) >= 0)
     {
       nss_initgroups_dyn = __nss_lookup_function (ni, "initgroups_dyn");
-      nss_setgrent = __nss_lookup_function (ni, "setgrent");
       nss_getgrnam_r = __nss_lookup_function (ni, "getgrnam_r");
       nss_getgrgid_r = __nss_lookup_function (ni, "getgrgid_r");
       nss_getgrent_r = __nss_lookup_function (ni, "getgrent_r");
-      nss_endgrent = __nss_lookup_function (ni, "endgrent");
     }
 
   __libc_lock_unlock (lock);
diff --git a/nis/nss_compat/compat-pwd.c b/nis/nss_compat/compat-pwd.c
index 89a6a7013e..ac132046da 100644
--- a/nis/nss_compat/compat-pwd.c
+++ b/nis/nss_compat/compat-pwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999,2001,2002,2003,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001-2005,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
 
@@ -62,9 +62,10 @@ struct blacklist_t
 
 struct ent_t
 {
-  bool_t netgroup;
-  bool_t first;
-  bool_t files;
+  bool netgroup;
+  bool first;
+  bool files;
+  enum nss_status setent_status;
   FILE *stream;
   struct blacklist_t blacklist;
   struct passwd pwd;
@@ -72,8 +73,9 @@ struct ent_t
 };
 typedef struct ent_t ent_t;
 
-static ent_t ext_ent = {0, 0, TRUE, NULL, {NULL, 0, 0},
-                        {NULL, NULL, 0, 0, NULL, NULL, NULL}};
+static ent_t ext_ent = { false, false, true, NSS_STATUS_SUCCESS, NULL,
+			 { NULL, 0, 0 },
+			 { NULL, NULL, 0, 0, NULL, NULL, NULL }};
 
 /* Protect global state against multiple changers.  */
 __libc_lock_define_initialized (static, lock)
@@ -202,12 +204,13 @@ copy_pwd_changes (struct passwd *dest, struct passwd *src,
 }
 
 static enum nss_status
-internal_setpwent (ent_t *ent, int stayopen)
+internal_setpwent (ent_t *ent, int stayopen, int needent)
 {
   enum nss_status status = NSS_STATUS_SUCCESS;
 
-  ent->first = ent->netgroup = FALSE;
-  ent->files = TRUE;
+  ent->first = ent->netgroup = false;
+  ent->files = true;
+  ent->setent_status = NSS_STATUS_SUCCESS;
 
   /* If something was left over free it.  */
   if (ent->netgroup)
@@ -257,8 +260,8 @@ internal_setpwent (ent_t *ent, int stayopen)
 
   give_pwd_free (&ent->pwd);
 
-  if (status == NSS_STATUS_SUCCESS && nss_setpwent)
-    return nss_setpwent (stayopen);
+  if (needent && status == NSS_STATUS_SUCCESS && nss_setpwent)
+    ent->setent_status = nss_setpwent (stayopen);
 
   return status;
 }
@@ -274,7 +277,7 @@ _nss_compat_setpwent (int stayopen)
   if (ni == NULL)
     init_nss_interface ();
 
-  result = internal_setpwent (&ext_ent, stayopen);
+  result = internal_setpwent (&ext_ent, stayopen, 1);
 
   __libc_lock_unlock (lock);
 
@@ -297,7 +300,7 @@ internal_endpwent (ent_t *ent)
   if (ent->netgroup)
     __internal_endnetgrent (&ent->netgrdata);
 
-  ent->first = ent->netgroup = FALSE;
+  ent->first = ent->netgroup = false;
 
   if (ent->blacklist.data != NULL)
     {
@@ -344,17 +347,17 @@ getpwent_next_nss_netgr (const char *name, struct passwd *result, ent_t *ent,
 
   if (yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
     {
-      ent->netgroup = FALSE;
-      ent->first = FALSE;
+      ent->netgroup = false;
+      ent->first = false;
       give_pwd_free (&ent->pwd);
       return NSS_STATUS_UNAVAIL;
     }
 
-  if (ent->first == TRUE)
+  if (ent->first == true)
     {
       memset (&ent->netgrdata, 0, sizeof (struct __netgrent));
       __internal_setnetgrent (group, &ent->netgrdata);
-      ent->first = FALSE;
+      ent->first = false;
     }
 
   while (1)
@@ -423,6 +426,10 @@ getpwent_next_nss (struct passwd *result, ent_t *ent, char *buffer,
   if (!nss_getpwent_r)
     return NSS_STATUS_UNAVAIL;
 
+  /* If the setpwent call failed, say so.  */
+  if (ent->setent_status != NSS_STATUS_SUCCESS)
+    return ent->setent_status;
+
   p2len = pwd_need_buflen (&ent->pwd);
   if (p2len > buflen)
     {
@@ -433,7 +440,7 @@ getpwent_next_nss (struct passwd *result, ent_t *ent, char *buffer,
   buflen -= p2len;
 
   if (ent->first)
-    ent->first = FALSE;
+    ent->first = false;
 
   do
     {
@@ -453,29 +460,27 @@ static enum nss_status
 getpwnam_plususer (const char *name, struct passwd *result, ent_t *ent,
 		   char *buffer, size_t buflen, int *errnop)
 {
-  struct passwd pwd;
-  char *p;
-  size_t plen;
-
   if (!nss_getpwnam_r)
     return NSS_STATUS_UNAVAIL;
 
+  struct passwd pwd;
   memset (&pwd, '\0', sizeof (struct passwd));
 
   copy_pwd_changes (&pwd, result, NULL, 0);
 
-  plen = pwd_need_buflen (&pwd);
+  size_t plen = pwd_need_buflen (&pwd);
   if (plen > buflen)
     {
       *errnop = ERANGE;
       return NSS_STATUS_TRYAGAIN;
     }
-  p = buffer + (buflen - plen);
+  char *p = buffer + (buflen - plen);
   buflen -= plen;
 
-  if (nss_getpwnam_r (name, result, buffer, buflen, errnop) !=
-      NSS_STATUS_SUCCESS)
-    return NSS_STATUS_NOTFOUND;
+  enum nss_status status = nss_getpwnam_r (name, result, buffer, buflen,
+					   errnop);
+  if (status != NSS_STATUS_SUCCESS)
+    return status;
 
   if (in_blacklist (result->pw_name, strlen (result->pw_name), ent))
     return NSS_STATUS_NOTFOUND;
@@ -568,8 +573,8 @@ getpwent_next_file (struct passwd *result, ent_t *ent,
 	{
 	  enum nss_status status;
 
-	  ent->netgroup = TRUE;
-	  ent->first = TRUE;
+	  ent->netgroup = true;
+	  ent->first = true;
 	  copy_pwd_changes (&ent->pwd, result, NULL, 0);
 
 	  status = getpwent_next_nss_netgr (NULL, result, ent,
@@ -624,8 +629,8 @@ getpwent_next_file (struct passwd *result, ent_t *ent,
       /* +:... */
       if (result->pw_name[0] == '+' && result->pw_name[1] == '\0')
 	{
-	  ent->files = FALSE;
-	  ent->first = TRUE;
+	  ent->files = false;
+	  ent->first = true;
 	  copy_pwd_changes (&ent->pwd, result, NULL, 0);
 
 	  return getpwent_next_nss (result, ent, buffer, buflen, errnop);
@@ -673,7 +678,7 @@ _nss_compat_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
     init_nss_interface ();
 
   if (ext_ent.stream == NULL)
-    result = internal_setpwent (&ext_ent, 1);
+    result = internal_setpwent (&ext_ent, 1, 1);
 
   if (result == NSS_STATUS_SUCCESS)
     result = internal_getpwent_r (pwd, &ext_ent, buffer, buflen, errnop);
@@ -825,8 +830,8 @@ _nss_compat_getpwnam_r (const char *name, struct passwd *pwd,
 			char *buffer, size_t buflen, int *errnop)
 {
   enum nss_status result;
-  ent_t ent = {0, 0, TRUE, NULL, {NULL, 0, 0},
-               {NULL, NULL, 0, 0, NULL, NULL, NULL}};
+  ent_t ent = { false, false, true, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 },
+		{ NULL, NULL, 0, 0, NULL, NULL, NULL }};
 
   if (name[0] == '-' || name[0] == '+')
     return NSS_STATUS_NOTFOUND;
@@ -838,7 +843,7 @@ _nss_compat_getpwnam_r (const char *name, struct passwd *pwd,
 
   __libc_lock_unlock (lock);
 
-  result = internal_setpwent (&ent, 0);
+  result = internal_setpwent (&ent, 0, 0);
 
   if (result == NSS_STATUS_SUCCESS)
     result = internal_getpwnam_r (name, pwd, &ent, buffer, buflen, errnop);
@@ -1067,8 +1072,8 @@ _nss_compat_getpwuid_r (uid_t uid, struct passwd *pwd,
 			char *buffer, size_t buflen, int *errnop)
 {
   enum nss_status result;
-  ent_t ent = {0, 0, TRUE, NULL, {NULL, 0, 0},
-               {NULL, NULL, 0, 0, NULL, NULL, NULL}};
+  ent_t ent = { false, false, true, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 },
+		{ NULL, NULL, 0, 0, NULL, NULL, NULL }};
 
   __libc_lock_lock (lock);
 
@@ -1077,7 +1082,7 @@ _nss_compat_getpwuid_r (uid_t uid, struct passwd *pwd,
 
   __libc_lock_unlock (lock);
 
-  result = internal_setpwent (&ent, 0);
+  result = internal_setpwent (&ent, 0, 0);
 
   if (result == NSS_STATUS_SUCCESS)
     result = internal_getpwuid_r (uid, pwd, &ent, buffer, buflen, errnop);
@@ -1134,7 +1139,7 @@ blacklist_store_name (const char *name, ent_t *ent)
   return;
 }
 
-/* returns TRUE if ent->blacklist contains name, else FALSE */
+/* Returns TRUE if ent->blacklist contains name, else FALSE.  */
 static bool_t
 in_blacklist (const char *name, int namelen, ent_t *ent)
 {
diff --git a/nis/nss_compat/compat-spwd.c b/nis/nss_compat/compat-spwd.c
index 4ca6368139..d1de3f75b0 100644
--- a/nis/nss_compat/compat-spwd.c
+++ b/nis/nss_compat/compat-spwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999,2001,2002,2003,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001-2005,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
 
@@ -59,9 +59,10 @@ struct blacklist_t
 
 struct ent_t
 {
-  bool_t netgroup;
-  bool_t files;
-  bool_t first;
+  bool netgroup;
+  bool files;
+  bool first;
+  enum nss_status setent_status;
   FILE *stream;
   struct blacklist_t blacklist;
   struct spwd pwd;
@@ -69,8 +70,9 @@ struct ent_t
 };
 typedef struct ent_t ent_t;
 
-static ent_t ext_ent = {0, TRUE, 0, NULL, {NULL, 0, 0},
-			{NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
+static ent_t ext_ent = { false, true, false, NSS_STATUS_SUCCESS, NULL,
+			 { NULL, 0, 0},
+			 { NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
 
 /* Protect global state against multiple changers.  */
 __libc_lock_define_initialized (static, lock)
@@ -161,7 +163,7 @@ internal_setspent (ent_t *ent, int stayopen)
   enum nss_status status = NSS_STATUS_SUCCESS;
 
   ent->first = ent->netgroup = 0;
-  ent->files = TRUE;
+  ent->files = true;
 
   /* If something was left over free it.  */
   if (ent->netgroup)
@@ -212,7 +214,7 @@ internal_setspent (ent_t *ent, int stayopen)
   give_spwd_free (&ent->pwd);
 
   if (status == NSS_STATUS_SUCCESS && nss_setspent)
-    return nss_setspent (stayopen);
+    ent->setent_status = nss_setspent (stayopen);
 
   return status;
 }
@@ -251,8 +253,8 @@ internal_endspent (ent_t *ent)
   if (ent->netgroup)
     __internal_endnetgrent (&ent->netgrdata);
 
-  ent->first = ent->netgroup = FALSE;
-  ent->files = TRUE;
+  ent->first = ent->netgroup = false;
+  ent->files = true;
 
   if (ent->blacklist.data != NULL)
     {
@@ -294,19 +296,23 @@ getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
   if (!nss_getspnam_r)
     return NSS_STATUS_UNAVAIL;
 
+  /* If the setpwent call failed, say so.  */
+  if (ent->setent_status != NSS_STATUS_SUCCESS)
+    return ent->setent_status;
+
   if (yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
     {
-      ent->netgroup = FALSE;
-      ent->first = FALSE;
+      ent->netgroup = false;
+      ent->first = false;
       give_spwd_free (&ent->pwd);
       return NSS_STATUS_UNAVAIL;
     }
 
-  if (ent->first == TRUE)
+  if (ent->first == true)
     {
       memset (&ent->netgrdata, 0, sizeof (struct __netgrent));
       __internal_setnetgrent (group, &ent->netgrdata);
-      ent->first = FALSE;
+      ent->first = false;
     }
 
   while (1)
@@ -321,7 +327,7 @@ getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
       if (status != 1)
 	{
 	  __internal_endnetgrent (&ent->netgrdata);
-	  ent->netgroup = FALSE;
+	  ent->netgroup = false;
 	  give_spwd_free (&ent->pwd);
 	  return NSS_STATUS_RETURN;
 	}
@@ -396,18 +402,16 @@ getspent_next_nss (struct spwd *result, ent_t *ent,
   return NSS_STATUS_SUCCESS;
 }
 
+
 /* This function handle the +user entrys in /etc/shadow */
 static enum nss_status
 getspnam_plususer (const char *name, struct spwd *result, ent_t *ent,
 		   char *buffer, size_t buflen, int *errnop)
 {
-  struct spwd pwd;
-  char *p;
-  size_t plen;
-
   if (!nss_getspnam_r)
     return NSS_STATUS_UNAVAIL;
 
+  struct spwd pwd;
   memset (&pwd, '\0', sizeof (struct spwd));
   pwd.sp_warn = -1;
   pwd.sp_inact = -1;
@@ -416,18 +420,19 @@ getspnam_plususer (const char *name, struct spwd *result, ent_t *ent,
 
   copy_spwd_changes (&pwd, result, NULL, 0);
 
-  plen = spwd_need_buflen (&pwd);
+  size_t plen = spwd_need_buflen (&pwd);
   if (plen > buflen)
     {
       *errnop = ERANGE;
       return NSS_STATUS_TRYAGAIN;
     }
-  p = buffer + (buflen - plen);
+  char *p = buffer + (buflen - plen);
   buflen -= plen;
 
-  if (nss_getspnam_r (name, result, buffer, buflen, errnop) !=
-      NSS_STATUS_SUCCESS)
-    return NSS_STATUS_NOTFOUND;
+  enum nss_status status = nss_getspnam_r (name, result, buffer, buflen,
+					   errnop);
+  if (status != NSS_STATUS_SUCCESS)
+    return status;
 
   if (in_blacklist (result->sp_namp, strlen (result->sp_namp), ent))
     return NSS_STATUS_NOTFOUND;
@@ -438,6 +443,7 @@ getspnam_plususer (const char *name, struct spwd *result, ent_t *ent,
   return NSS_STATUS_SUCCESS;
 }
 
+
 static enum nss_status
 getspent_next_file (struct spwd *result, ent_t *ent,
 		    char *buffer, size_t buflen, int *errnop)
@@ -518,8 +524,8 @@ getspent_next_file (struct spwd *result, ent_t *ent,
 	{
 	  int status;
 
-	  ent->netgroup = TRUE;
-	  ent->first = TRUE;
+	  ent->netgroup = true;
+	  ent->first = true;
 	  copy_spwd_changes (&ent->pwd, result, NULL, 0);
 
 	  status = getspent_next_nss_netgr (NULL, result, ent,
@@ -575,8 +581,8 @@ getspent_next_file (struct spwd *result, ent_t *ent,
       /* +:... */
       if (result->sp_namp[0] == '+' && result->sp_namp[1] == '\0')
 	{
-	  ent->files = FALSE;
-	  ent->first = TRUE;
+	  ent->files = false;
+	  ent->first = true;
 	  copy_spwd_changes (&ent->pwd, result, NULL, 0);
 
 	  return getspent_next_nss (result, ent, buffer, buflen, errnop);
@@ -611,6 +617,7 @@ internal_getspent_r (struct spwd *pw, ent_t *ent,
     return getspent_next_nss (pw, ent, buffer, buflen, errnop);
 }
 
+
 enum nss_status
 _nss_compat_getspent_r (struct spwd *pwd, char *buffer, size_t buflen,
 			int *errnop)
@@ -634,6 +641,7 @@ _nss_compat_getspent_r (struct spwd *pwd, char *buffer, size_t buflen,
   return result;
 }
 
+
 /* Searches in /etc/passwd and the NIS/NIS+ map for a special user */
 static enum nss_status
 internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
@@ -776,13 +784,14 @@ internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
   return NSS_STATUS_SUCCESS;
 }
 
+
 enum nss_status
 _nss_compat_getspnam_r (const char *name, struct spwd *pwd,
 			char *buffer, size_t buflen, int *errnop)
 {
   enum nss_status result;
-  ent_t ent = {0, TRUE, 0, NULL, {NULL, 0, 0},
-	       {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
+  ent_t ent = { false, true, false, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0},
+		{ NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
 
   if (name[0] == '-' || name[0] == '+')
     return NSS_STATUS_NOTFOUND;
@@ -804,6 +813,7 @@ _nss_compat_getspnam_r (const char *name, struct spwd *pwd,
   return result;
 }
 
+
 /* Support routines for remembering -@netgroup and -user entries.
    The names are stored in a single string with `|' as separator. */
 static void
@@ -850,6 +860,7 @@ blacklist_store_name (const char *name, ent_t *ent)
   return;
 }
 
+
 /* Returns TRUE if ent->blacklist contains name, else FALSE.  */
 static bool_t
 in_blacklist (const char *name, int namelen, ent_t *ent)
@@ -858,7 +869,7 @@ in_blacklist (const char *name, int namelen, ent_t *ent)
   char *cp;
 
   if (ent->blacklist.data == NULL)
-    return FALSE;
+    return false;
 
   buf[0] = '|';
   cp = stpcpy (&buf[1], name);