Files
gnulib/m4/explicit_bzero.m4
Paul Eggert 276416a1ae explicit_bzero: new module
The explicit_bzero function has been added to glibc.
This module is intended to supports its use in GNU programs.
* doc/glibc-functions/explicit_bzero.texi, lib/explicit_bzero.c:
* m4/explicit_bzero.m4, modules/explicit_bzero:
New files.
* doc/gnulib.texi (Glibc string.h): Link to new doc.
* lib/string.in.h (explicit_bzero): Declare.
* m4/string_h.m4 (gl_HEADER_STRING_H_DEFAULTS): Add defaults for it.
* modules/string (string.h): Substitute its vars.
2017-07-16 07:27:49 -07:00

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dnl Copyright 2017 Free Software Foundation, 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.
AC_DEFUN([gl_FUNC_EXPLICIT_BZERO],
[
AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
dnl Persuade glibc <string.h> to declare explicit_bzero.
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
AC_CHECK_FUNCS_ONCE([explicit_bzero])
if test $ac_cv_func_explicit_bzero = no; then
HAVE_EXPLICIT_BZERO=0
fi
])
AC_DEFUN([gl_PREREQ_EXPLICIT_BZERO],
[
AC_CHECK_FUNCS([explicit_memset])
])