-# vasnprintf.m4 serial 17
-dnl Copyright (C) 2002-2004, 2006-2007 Free Software Foundation, Inc.
+# vasnprintf.m4 serial 25
+dnl Copyright (C) 2002-2004, 2006-2008 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_VASNPRINTF],
[
- AC_REQUIRE([gl_EOVERFLOW])
AC_CHECK_FUNCS_ONCE([vasnprintf])
if test $ac_cv_func_vasnprintf = no; then
gl_REPLACE_VASNPRINTF
AC_REQUIRE([gt_TYPE_WCHAR_T])
AC_REQUIRE([gt_TYPE_WINT_T])
AC_REQUIRE([AC_TYPE_SIZE_T])
- AC_CHECK_TYPES(ptrdiff_t)
+ AC_CHECK_TYPE([ptrdiff_t], ,
+ [AC_DEFINE([ptrdiff_t], [long],
+ [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
+ ])
AC_REQUIRE([gt_AC_TYPE_INTMAX_T])
])
AC_REQUIRE([gt_TYPE_WCHAR_T])
AC_REQUIRE([gt_TYPE_WINT_T])
AC_CHECK_FUNCS(snprintf wcslen)
+ dnl Use the _snprintf function only if it is declared (because on NetBSD it
+ dnl is defined as a weak alias of snprintf; we prefer to use the latter).
+ AC_CHECK_DECLS([_snprintf], , , [#include <stdio.h>])
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting 'long double'
+# arguments.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_LONG_DOUBLE],
+[
+ AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
+ case "$gl_cv_func_printf_long_double" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'long double' arguments.])
+ ;;
+ esac
])
# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'double'
# arguments.
-AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE],
+AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE],
[
AC_REQUIRE([gl_PRINTF_INFINITE])
case "$gl_cv_func_printf_infinite" in
*yes)
;;
*)
- AC_DEFINE([NEED_PRINTF_INFINITE], 1,
+ AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], 1,
[Define if the vasnprintf implementation needs special code for
infinite 'double' arguments.])
;;
esac
])
-# Extra prerequisites of lib/vasnprintf.c for supporting 'long double'
+# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'long double'
# arguments.
-AC_DEFUN([gl_PREREQ_VASNPRINTF_LONG_DOUBLE],
+AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE],
[
- AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
+ AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
+ dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if
+ dnl NEED_PRINTF_LONG_DOUBLE is already set.
+ AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE])
case "$gl_cv_func_printf_long_double" in
*yes)
- ;;
- *)
- AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
- [Define if the vasnprintf implementation needs special code for
- 'long double' arguments.])
+ case "$gl_cv_func_printf_infinite_long_double" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ infinite 'long double' arguments.])
+ ;;
+ esac
;;
esac
])
esac
])
+# Extra prerequisites of lib/vasnprintf.c for supporting the '-' flag.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST],
+[
+ AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
+ case "$gl_cv_func_printf_flag_leftadjust" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], 1,
+ [Define if the vasnprintf implementation needs special code for the
+ '-' flag.])
+ ;;
+ esac
+])
+
# Extra prerequisites of lib/vasnprintf.c for supporting the 0 flag.
AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO],
[
esac
])
+# Extra prerequisites of lib/vasnprintf.c for supporting large precisions.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION],
+[
+ AC_REQUIRE([gl_PRINTF_PRECISION])
+ case "$gl_cv_func_printf_precision" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], 1,
+ [Define if the vasnprintf implementation needs special code for
+ supporting large precisions without arbitrary bounds.])
+ AC_DEFINE([NEED_PRINTF_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'double' arguments.])
+ AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'long double' arguments.])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory
+# conditions.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM],
+[
+ AC_REQUIRE([gl_PRINTF_ENOMEM])
+ case "$gl_cv_func_printf_enomem" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_ENOMEM], 1,
+ [Define if the vasnprintf implementation needs special code for
+ surviving out-of-memory conditions.])
+ AC_DEFINE([NEED_PRINTF_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'double' arguments.])
+ AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'long double' arguments.])
+ ;;
+ esac
+])
+
+# Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS],
+[
+ AC_REQUIRE([gl_PREREQ_VASNPRINTF])
+ gl_PREREQ_VASNPRINTF_LONG_DOUBLE
+ gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
+ gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
+ gl_PREREQ_VASNPRINTF_DIRECTIVE_A
+ gl_PREREQ_VASNPRINTF_DIRECTIVE_F
+ gl_PREREQ_VASNPRINTF_FLAG_GROUPING
+ gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
+ gl_PREREQ_VASNPRINTF_FLAG_ZERO
+ gl_PREREQ_VASNPRINTF_PRECISION
+ gl_PREREQ_VASNPRINTF_ENOMEM
+])
+
# Prerequisites of lib/asnprintf.c.
AC_DEFUN([gl_PREREQ_ASNPRINTF],
[