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# strnlen.m4 serial 13
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dnl Copyright (C) 2002-2003, 2005-2007, 2009-2020 Free Software Foundation,
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dnl Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_STRNLEN],
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[
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AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
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dnl Persuade glibc <string.h> to declare strnlen().
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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AC_CHECK_DECLS_ONCE([strnlen])
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if test $ac_cv_have_decl_strnlen = no; then
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HAVE_DECL_STRNLEN=0
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else
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m4_pushdef([AC_LIBOBJ], [:])
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dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
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AC_FUNC_STRNLEN
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m4_popdef([AC_LIBOBJ])
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if test $ac_cv_func_strnlen_working = no; then
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REPLACE_STRNLEN=1
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fi
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fi
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])
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# Prerequisites of lib/strnlen.c.
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AC_DEFUN([gl_PREREQ_STRNLEN], [:])
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