pintos-os.org Git - pspp/blob - m4/snprintf-posix.m4

   1 # snprintf-posix.m4 serial 8
   2 dnl Copyright (C) 2007 Free Software Foundation, Inc.
   3 dnl This file is free software; the Free Software Foundation
   4 dnl gives unlimited permission to copy and/or distribute it,
   5 dnl with or without modifications, as long as this notice is preserved.
   6
   7 AC_DEFUN([gl_FUNC_SNPRINTF_POSIX],
   8 [
   9   AC_REQUIRE([gl_EOVERFLOW])
  10   AC_REQUIRE([gl_PRINTF_SIZES_C99])
  11   AC_REQUIRE([gl_PRINTF_INFINITE])
  12   AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
  13   AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
  14   AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
  15   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
  16   AC_REQUIRE([gl_PRINTF_POSITIONS])
  17   AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
  18   AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
  19   gl_cv_func_snprintf_posix=no
  20   AC_CHECK_FUNCS([snprintf])
  21   if test $ac_cv_func_snprintf = yes; then
  22     gl_SNPRINTF_TRUNCATION_C99
  23     gl_SNPRINTF_RETVAL_C99
  24     gl_SNPRINTF_DIRECTIVE_N
  25     gl_VSNPRINTF_ZEROSIZE_C99
  26     case "$gl_cv_func_printf_sizes_c99" in
  27       *yes)
  28         case "$gl_cv_func_printf_infinite" in
  29           *yes)
  30             case "$gl_cv_func_printf_long_double" in
  31               *yes)
  32                 case "$gl_cv_func_printf_directive_a" in
  33                   *yes)
  34                     case "$gl_cv_func_printf_directive_f" in
  35                       *yes)
  36                         case "$gl_cv_func_printf_directive_n" in
  37                           *yes)
  38                             case "$gl_cv_func_printf_positions" in
  39                               *yes)
  40                                 case "$gl_cv_func_printf_flag_grouping" in
  41                                   *yes)
  42                                     case "$gl_cv_func_printf_flag_zero" in
  43                                       *yes)
  44                                         case "$gl_cv_func_snprintf_truncation_c99" in
  45                                           *yes)
  46                                             case "$gl_cv_func_snprintf_retval_c99" in
  47                                               *yes)
  48                                                 case "$gl_cv_func_snprintf_directive_n" in
  49                                                   *yes)
  50                                                     case "$gl_cv_func_vsnprintf_zerosize_c99" in
  51                                                       *yes)
  52                                                         # snprintf exists and is
  53                                                         # already POSIX compliant.
  54                                                         gl_cv_func_snprintf_posix=yes
  55                                                         ;;
  56                                                     esac
  57                                                     ;;
  58                                                 esac
  59                                                 ;;
  60                                             esac
  61                                             ;;
  62                                         esac
  63                                         ;;
  64                                     esac
  65                                     ;;
  66                                 esac
  67                                 ;;
  68                             esac
  69                             ;;
  70                         esac
  71                         ;;
  72                     esac
  73                     ;;
  74                 esac
  75                 ;;
  76             esac
  77             ;;
  78         esac
  79         ;;
  80     esac
  81   fi
  82   if test $gl_cv_func_snprintf_posix = no; then
  83     gl_PREREQ_VASNPRINTF_INFINITE
  84     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
  85     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  86     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  87     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  88     gl_PREREQ_VASNPRINTF_FLAG_ZERO
  89     gl_REPLACE_VASNPRINTF
  90     gl_REPLACE_SNPRINTF
  91   fi
  92 ])