kc3-lang/gnulib/m4/explicit_bzero.m4

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• Hash : 276416a1
  Author :
  Date : 2017-07-16T07:26:16
  

  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.
  

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• m4/explicit_bzero.m4

• 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])
  ])
  

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