Merge branch 'baseline' into refs/top-bases/tschwinge/Roger_Whittaker

Conflicts:
	configure
	configure.in
	elf/rtld.c
	misc/syslog.c
	sysdeps/gnu/configure
	sysdeps/gnu/configure.in
	sysdeps/mach/hurd/accept4.c
	sysdeps/mach/hurd/bits/posix_opt.h
	sysdeps/mach/hurd/dup3.c
	sysdeps/mach/hurd/i386/init-first.c
	sysdeps/mach/hurd/kernel-features.h
	sysdeps/mach/hurd/readlinkat.c

3 files changed, 95 insertions, 32 deletions

diff --git a/nss/Makefile b/nss/Makefile
index 54d50d051c..a272ebe13d 100644
--- a/nss/Makefile
+++ b/nss/Makefile
@@ -75,6 +75,8 @@ libnss_db-inhibit-o	= $(filter-out .os,$(object-suffixes))
 ifeq ($(build-static-nss),yes)
 routines                += $(libnss_files-routines)
 static-only-routines    += $(libnss_files-routines)
+tests-static		= tst-nss-static
+tests			+= $(tests-static)
 endif
 
 include ../Rules
diff --git a/nss/nsswitch.c b/nss/nsswitch.c
index 7acb1403fd..464f478d2b 100644
--- a/nss/nsswitch.c
+++ b/nss/nsswitch.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1996-1999,2001-2007,2009,2010,2011
-   Free Software Foundation, Inc.
+/* Copyright (C) 1996-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -86,6 +85,12 @@ static const char *const __nss_shlib_revision = LIBNSS_FILES_SO + 15;
 /* The root of the whole data base.  */
 static name_database *service_table;
 
+/* List of default service lists that were generated by glibc because
+   /etc/nsswitch.conf did not provide a value.
+   The list is only maintained so we can free such service lists in
+   __libc_freeres.  */
+static name_database_entry *defconfig_entries;
+
 
 /* Nonzero if this is the nscd process.  */
 static bool is_nscd;
@@ -141,8 +146,27 @@ __nss_database_lookup (const char *database, const char *alternate_name,
      DEFCONFIG specifies the default service list for this database,
      or null to use the most common default.  */
   if (*ni == NULL)
-    *ni = nss_parse_service_list (defconfig
-				  ?: "nis [NOTFOUND=return] files");
+    {
+      *ni = nss_parse_service_list (defconfig
+				    ?: "nis [NOTFOUND=return] files");
+      if (*ni != NULL)
+	{
+	  /* Record the memory we've just allocated in defconfig_entries list,
+	     so we can free it later.  */
+	  name_database_entry *entry;
+
+	  /* Allocate ENTRY plus size of name (1 here).  */
+	  entry = (name_database_entry *) malloc (sizeof (*entry) + 1);
+
+	  if (entry != NULL)
+	    {
+	      entry->next = defconfig_entries;
+	      entry->service = *ni;
+	      entry->name[0] = '\0';
+	      defconfig_entries = entry;
+	    }
+	}
+    }
 
   __libc_lock_unlock (lock);
 
@@ -315,7 +339,7 @@ nss_load_library (service_user *ni)
   if (ni->library->lib_handle == NULL)
     {
       /* Load the shared library.  */
-      size_t shlen = (7 + strlen (ni->library->name) + 3
+      size_t shlen = (7 + strlen (ni->name) + 3
 		      + strlen (__nss_shlib_revision) + 1);
       int saved_errno = errno;
       char shlib_name[shlen];
@@ -323,7 +347,7 @@ nss_load_library (service_user *ni)
       /* Construct shared object name.  */
       __stpcpy (__stpcpy (__stpcpy (__stpcpy (shlib_name,
 					      "libnss_"),
-				    ni->library->name),
+				    ni->name),
 			  ".so"),
 		__nss_shlib_revision);
 
@@ -337,14 +361,14 @@ nss_load_library (service_user *ni)
       else if (is_nscd)
 	{
 	  /* Call the init function when nscd is used.  */
-	  size_t initlen = (5 + strlen (ni->library->name)
+	  size_t initlen = (5 + strlen (ni->name)
 			    + strlen ("_init") + 1);
 	  char init_name[initlen];
 
 	  /* Construct the init function name.  */
 	  __stpcpy (__stpcpy (__stpcpy (init_name,
 					"_nss_"),
-			      ni->library->name),
+			      ni->name),
 		    "_init");
 
 	  /* Find the optional init function.  */
@@ -428,13 +452,13 @@ __nss_lookup_function (service_user *ni, const char *fct_name)
 	  else
 	    {
 	      /* Get the desired function.  */
-	      size_t namlen = (5 + strlen (ni->library->name) + 1
+	      size_t namlen = (5 + strlen (ni->name) + 1
 			       + strlen (fct_name) + 1);
 	      char name[namlen];
 
 	      /* Construct the function name.  */
 	      __stpcpy (__stpcpy (__stpcpy (__stpcpy (name, "_nss_"),
-					    ni->library->name),
+					    ni->name),
 				  "_"),
 			fct_name);
 
@@ -457,12 +481,12 @@ __nss_lookup_function (service_user *ni, const char *fct_name)
 # include "function.def"
 		{ NULL, NULL }
 	      };
-	    size_t namlen = (5 + strlen (ni->library->name) + 1
+	    size_t namlen = (5 + strlen (ni->name) + 1
 			     + strlen (fct_name) + 1);
 	    char name[namlen];
 
 	    /* Construct the function name.  */
-	    __stpcpy (__stpcpy (__stpcpy (name, ni->library->name),
+	    __stpcpy (__stpcpy (__stpcpy (name, ni->name),
 				"_"),
 		      fct_name);
 
@@ -644,7 +668,7 @@ nss_parse_service_list (const char *line)
 		  else if (__strncasecmp (name, "UNAVAIL", 7) == 0)
 		    status = NSS_STATUS_UNAVAIL;
 		  else
-		    return result;
+		    goto finish;
 		}
 	      else if (line - name == 8)
 		{
@@ -653,15 +677,15 @@ nss_parse_service_list (const char *line)
 		  else if (__strncasecmp (name, "TRYAGAIN", 8) == 0)
 		    status = NSS_STATUS_TRYAGAIN;
 		  else
-		    return result;
+		    goto finish;
 		}
 	      else
-		return result;
+		goto finish;
 
 	      while (isspace (line[0]))
 		++line;
 	      if (line[0] != '=')
-		return result;
+		goto finish;
 	      do
 		++line;
 	      while (isspace (line[0]));
@@ -677,7 +701,7 @@ nss_parse_service_list (const char *line)
 		       && __strncasecmp (name, "CONTINUE", 8) == 0)
 		action = NSS_ACTION_CONTINUE;
 	      else
-		return result;
+		goto finish;
 
 	      if (not)
 		{
@@ -705,6 +729,11 @@ nss_parse_service_list (const char *line)
 
       *nextp = new_service;
       nextp = &new_service->next;
+      continue;
+
+    finish:
+      free (new_service);
+      return result;
     }
 }
 
@@ -816,22 +845,9 @@ __nss_disable_nscd (void (*cb) (size_t, struct traced_file *))
 }
 #endif
 
-
-/* Free all resources if necessary.  */
-libc_freeres_fn (free_mem)
+static void
+free_database_entries (name_database_entry *entry)
 {
-  name_database *top = service_table;
-  name_database_entry *entry;
-  service_library *library;
-
-  if (top == NULL)
-    /* Maybe we have not read the nsswitch.conf file.  */
-    return;
-
-  /* Don't disturb ongoing other threads (if there are any).  */
-  service_table = NULL;
-
-  entry = top->entry;
   while (entry != NULL)
     {
       name_database_entry *olde = entry;
@@ -851,6 +867,36 @@ libc_freeres_fn (free_mem)
       entry = entry->next;
       free (olde);
     }
+}
+
+/* Free all resources if necessary.  */
+libc_freeres_fn (free_defconfig)
+{
+  name_database_entry *entry = defconfig_entries;
+
+  if (entry == NULL)
+    /* defconfig was not used.  */
+    return;
+
+  /* Don't disturb ongoing other threads (if there are any).  */
+  defconfig_entries = NULL;
+
+  free_database_entries (entry);
+}
+
+libc_freeres_fn (free_mem)
+{
+  name_database *top = service_table;
+  service_library *library;
+
+  if (top == NULL)
+    /* Maybe we have not read the nsswitch.conf file.  */
+    return;
+
+  /* Don't disturb ongoing other threads (if there are any).  */
+  service_table = NULL;
+
+  free_database_entries (top->entry);
 
   library = top->library;
   while (library != NULL)
diff --git a/nss/tst-nss-static.c b/nss/tst-nss-static.c
new file mode 100644
index 0000000000..98cf073deb
--- /dev/null
+++ b/nss/tst-nss-static.c
@@ -0,0 +1,15 @@
+/* glibc test for static NSS.  */
+#include <stdio.h>
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+  struct passwd *pw;
+
+  pw = getpwuid(0);
+  return pw == NULL;
+}
+
+
+#include "../test-skeleton.c"