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| 1 | # strnlen.m4 serial 6
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| 2 | dnl Copyright (C) 2002-2003, 2005, 2006 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN([gl_FUNC_STRNLEN],
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| 8 | [
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| 9 | dnl Persuade glibc <string.h> to declare strnlen().
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| 10 | AC_REQUIRE([AC_GNU_SOURCE])
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| 11 |
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| 12 | AC_FUNC_STRNLEN
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| 13 | if test $ac_cv_func_strnlen_working = no; then
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| 14 | # This is necessary because automake-1.6.1 doens't understand
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| 15 | # that the above use of AC_FUNC_STRNLEN means we may have to use
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| 16 | # lib/strnlen.c.
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| 17 | #AC_LIBOBJ(strnlen)
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| 18 | AC_DEFINE(strnlen, rpl_strnlen,
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| 19 | [Define to rpl_strnlen if the replacement function should be used.])
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| 20 | gl_PREREQ_STRNLEN
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| 21 | fi
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| 22 | ])
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| 23 |
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| 24 | # Prerequisites of lib/strnlen.c.
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| 25 | AC_DEFUN([gl_PREREQ_STRNLEN], [
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| 26 | AC_CHECK_DECLS_ONCE(strnlen)
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| 27 | ])
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