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283
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1 # vsnprintf.m4 serial 5
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2 dnl Copyright (C) 2002-2004, 2007-2008 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_VSNPRINTF],
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8 [
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9 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
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10 gl_cv_func_vsnprintf_usable=no
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11 AC_CHECK_FUNCS([vsnprintf])
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12 if test $ac_cv_func_vsnprintf = yes; then
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13 gl_SNPRINTF_SIZE1
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14 case "$gl_cv_func_snprintf_size1" in
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15 *yes)
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16 gl_cv_func_vsnprintf_usable=yes
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17 ;;
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18 esac
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19 fi
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20 if test $gl_cv_func_vsnprintf_usable = no; then
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21 gl_REPLACE_VSNPRINTF
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22 fi
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23 AC_CHECK_DECLS_ONCE([vsnprintf])
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24 if test $ac_cv_have_decl_vsnprintf = no; then
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25 HAVE_DECL_VSNPRINTF=0
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26 fi
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27 ])
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28
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29 AC_DEFUN([gl_REPLACE_VSNPRINTF],
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30 [
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31 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
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32 AC_LIBOBJ([vsnprintf])
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33 if test $ac_cv_func_vsnprintf = yes; then
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34 REPLACE_VSNPRINTF=1
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35 fi
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36 gl_PREREQ_VSNPRINTF
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37 ])
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38
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39 # Prerequisites of lib/vsnprintf.c.
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40 AC_DEFUN([gl_PREREQ_VSNPRINTF], [:])
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