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

   1 # snprintf-posix.m4 serial 6
   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_DIRECTIVE_A])
  12   AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
  13   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
  14   AC_REQUIRE([gl_PRINTF_POSITIONS])
  15   AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
  16   AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
  17   gl_cv_func_snprintf_posix=no
  18   AC_CHECK_FUNCS([snprintf])
  19   if test $ac_cv_func_snprintf = yes; then
  20     gl_SNPRINTF_TRUNCATION_C99
  21     gl_SNPRINTF_RETVAL_C99
  22     gl_SNPRINTF_DIRECTIVE_N
  23     gl_VSNPRINTF_ZEROSIZE_C99
  24     case "$gl_cv_func_printf_sizes_c99" in
  25       *yes)
  26         case "$gl_cv_func_printf_directive_a" in
  27           *yes)
  28             case "$gl_cv_func_printf_directive_f" in
  29               *yes)
  30                 case "$gl_cv_func_printf_directive_n" in
  31                   *yes)
  32                     case "$gl_cv_func_printf_positions" in
  33                       *yes)
  34                         case "$gl_cv_func_printf_flag_grouping" in
  35                           *yes)
  36                             case "$gl_cv_func_printf_flag_zero" in
  37                               *yes)
  38                                 case "$gl_cv_func_snprintf_truncation_c99" in
  39                                   *yes)
  40                                     case "$gl_cv_func_snprintf_retval_c99" in
  41                                       *yes)
  42                                         case "$gl_cv_func_snprintf_directive_n" in
  43                                           *yes)
  44                                             case "$gl_cv_func_vsnprintf_zerosize_c99" in
  45                                               *yes)
  46                                                 # snprintf exists and is already
  47                                                 # POSIX compliant.
  48                                                 gl_cv_func_snprintf_posix=yes
  49                                                 ;;
  50                                             esac
  51                                             ;;
  52                                         esac
  53                                         ;;
  54                                     esac
  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   fi
  72   if test $gl_cv_func_snprintf_posix = no; then
  73     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  74     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  75     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  76     gl_PREREQ_VASNPRINTF_FLAG_ZERO
  77     gl_REPLACE_VASNPRINTF
  78     gl_REPLACE_SNPRINTF
  79   fi
  80 ])