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# vasprintf-posix.m4 serial 2
dnl Copyright (C) 2007 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_VASPRINTF_POSIX],
[
AC_REQUIRE([gl_EOVERFLOW])
AC_REQUIRE([gl_PRINTF_SIZES_C99])
AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
AC_REQUIRE([gl_PRINTF_POSITIONS])
gl_cv_func_vasprintf_posix=no
AC_CHECK_FUNCS([vasprintf])
case "$gl_cv_func_printf_sizes_c99" in
*yes)
case "$gl_cv_func_printf_directive_a" in
*yes)
case "$gl_cv_func_printf_directive_n" in
*yes)
case "$gl_cv_func_printf_positions" in
*yes)
if test $ac_cv_func_vasprintf = yes; then
# vasprintf exists and is already POSIX compliant.
gl_cv_func_vasprintf_posix=yes
fi
;;
esac
;;
esac
;;
esac
;;
esac
if test $gl_cv_func_vasprintf_posix = no; then
if ! expr "$gl_cv_func_printf_directive_a" : ".*yes" > /dev/null; then
AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
[Define if the vasnprintf implementation needs special code for
the 'a' and 'A' directives.])
fi
gl_REPLACE_VASNPRINTF
gl_REPLACE_VASPRINTF
fi
])
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