getaddrinfo: Doc fix.

[pspp] / m4 / strtok_r.m4

diff --git a/m4/strtok_r.m4 b/m4/strtok_r.m4
index f9847da07ce0f04ec4c8b3cd50e5c55b78b127ef..3f8a26fe7e9a49d0fe83fae1325240ebe9b15f8d 100644 (file)
--- a/m4/strtok_r.m4
+++ b/m4/strtok_r.m4
@@ -1,5 +1,5 @@
-# strtok_r.m4 serial 9
-dnl Copyright (C) 2002, 2003, 2004, 2007, 2009, 2010 Free Software Foundation,
+# strtok_r.m4 serial 12
+dnl Copyright (C) 2002-2004, 2006-2007, 2009-2011 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -16,7 +16,7 @@ AC_DEFUN([gl_FUNC_STRTOK_R],
   if test $ac_cv_func_strtok_r = yes; then
     dnl glibc 2.7 has a bug in strtok_r that causes a segmentation fault
     dnl when the second argument to strtok_r is a constant string that has
-    dnl exactly one byte and compiling with optimization.  This bug is, for
+    dnl exactly one byte and compiling with optimization.  This bug is, for
     dnl example, present in the glibc 2.7-18 package in Debian "lenny".
     dnl See <http://sources.redhat.com/bugzilla/show_bug.cgi?id=5614>.
     AC_CACHE_CHECK([whether strtok_r works], [gl_cv_func_strtok_r_works],
@@ -30,11 +30,12 @@ AC_DEFUN([gl_FUNC_STRTOK_R],
               #include <stdlib.h>
               #include <string.h>
             ]],
-            [[char delimiters[] = "xxxxxxxx";
-              char *save_ptr = (char *) 0xd0d0;
-              strtok_r (delimiters, "x", &save_ptr);
-              strtok_r (NULL, "x", &save_ptr);
-              return 0;
+            [[static const char dummy[] = "\177\01a";
+              char delimiters[] = "xxxxxxxx";
+              char *save_ptr = (char *) dummy;
+              strtok_r (delimiters, "x", &save_ptr);
+              strtok_r (NULL, "x", &save_ptr);
+              return 0;
             ]])
          ],
          [gl_cv_func_strtok_r_works=yes],
@@ -59,12 +60,12 @@ changequote([,])dnl
     esac
   else
     AC_LIBOBJ([strtok_r])
+    gl_PREREQ_STRTOK_R
   fi
   AC_CHECK_DECLS_ONCE([strtok_r])
   if test $ac_cv_have_decl_strtok_r = no; then
     HAVE_DECL_STRTOK_R=0
   fi
-  gl_PREREQ_STRTOK_R
 ])
 
 # Prerequisites of lib/strtok_r.c.