-# strtok_r.m4 serial 9
-dnl Copyright (C) 2002, 2003, 2004, 2007, 2009 Free Software Foundation, Inc.
+# 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,
dnl with or without modifications, as long as this notice is preserved.
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],
#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],
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.