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annotate m4/snprintf-posix.m4 @ 8803:6c1d98929550

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Work around lack of support of grouping flag.
author Bruno Haible <bruno@clisp.org>
date Sun, 06 May 2007 15:29:04 +0000
parents 39bb5430fc0e
children 6ce313658b4d
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1 # snprintf-posix.m4 serial 5
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2 dnl Copyright (C) 2007 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_SNPRINTF_POSIX],
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8 [
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9 AC_REQUIRE([gl_EOVERFLOW])
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10 AC_REQUIRE([gl_PRINTF_SIZES_C99])
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11 AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
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12 AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
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13 AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
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14 AC_REQUIRE([gl_PRINTF_POSITIONS])
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15 AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
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16 gl_cv_func_snprintf_posix=no
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17 AC_CHECK_FUNCS([snprintf])
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18 if test $ac_cv_func_snprintf = yes; then
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19 gl_SNPRINTF_TRUNCATION_C99
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20 gl_SNPRINTF_RETVAL_C99
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21 gl_SNPRINTF_DIRECTIVE_N
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22 gl_VSNPRINTF_ZEROSIZE_C99
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23 case "$gl_cv_func_printf_sizes_c99" in
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24 *yes)
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25 case "$gl_cv_func_printf_directive_a" in
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26 *yes)
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27 case "$gl_cv_func_printf_directive_f" in
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28 *yes)
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29 case "$gl_cv_func_printf_directive_n" in
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30 *yes)
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31 case "$gl_cv_func_printf_positions" in
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32 *yes)
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33 case "$gl_cv_func_printf_flag_grouping" in
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34 *yes)
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35 case "$gl_cv_func_snprintf_truncation_c99" in
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36 *yes)
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37 case "$gl_cv_func_snprintf_retval_c99" in
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38 *yes)
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39 case "$gl_cv_func_snprintf_directive_n" in
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40 *yes)
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41 case "$gl_cv_func_vsnprintf_zerosize_c99" in
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42 *yes)
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43 # snprintf exists and is already
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44 # POSIX compliant.
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45 gl_cv_func_snprintf_posix=yes
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46 ;;
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47 esac
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48 ;;
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49 esac
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50 ;;
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51 esac
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52 ;;
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53 esac
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54 ;;
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55 esac
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56 ;;
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57 esac
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58 ;;
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59 esac
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60 ;;
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61 esac
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62 ;;
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63 esac
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64 ;;
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65 esac
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66 fi
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67 if test $gl_cv_func_snprintf_posix = no; then
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68 gl_PREREQ_VASNPRINTF_DIRECTIVE_A
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69 gl_PREREQ_VASNPRINTF_DIRECTIVE_F
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70 gl_PREREQ_VASNPRINTF_FLAG_GROUPING
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71 gl_REPLACE_VASNPRINTF
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72 gl_REPLACE_SNPRINTF
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73 fi
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74 ])