| # Copyright (C) 2002-2004, 2006-2018 Free Software Foundation, Inc. |
| # This file is free software; the Free Software Foundation |
| # gives unlimited permission to copy and/or distribute it, |
| # with or without modifications, as long as this notice is preserved. |
| |
| # Test whether the *printf family of functions supports padding of non-finite |
| # values with the 0 flag correctly. (ISO C99 + TC1 + TC2.) See |
| # <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> |
| # Result is gl_cv_func_printf_flag_zero. |
| |
| printf_flag_zero_test = ''' |
| #include <stdio.h> |
| #include <string.h> |
| static char buf[100]; |
| static double zero = 0.0; |
| int main () |
| { |
| if (sprintf (buf, "%010f", 1.0 / zero, 33, 44, 55) < 0 |
| || (strcmp (buf, " inf") != 0 |
| && strcmp (buf, " infinity") != 0)) |
| return 1; |
| return 0; |
| } |
| ''' |
| |
| if not meson.is_cross_build() or meson.has_exe_wrapper() |
| run_result = cc.run(printf_flag_zero_test, |
| name : 'printf supports the zero flag correctly') |
| gl_cv_func_printf_flag_zero = run_result.compiled() and run_result.returncode() == 0 |
| else |
| if host_system in ['linux', 'android'] |
| gl_cv_func_printf_flag_zero = true |
| elif host_system.startswith ('beos') |
| gl_cv_func_printf_flag_zero = true |
| elif host_system == 'windows' |
| gl_cv_func_printf_flag_zero = false |
| else |
| gl_cv_func_printf_flag_zero = false |
| endif |
| endif |
