Fix *printf behaviour regarding the left-adjust flag on HP-UX 10.20.
[gnulib.git] / m4 / vsprintf-posix.m4
1 # vsprintf-posix.m4 serial 10
2 dnl Copyright (C) 2007-2008 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_VSPRINTF_POSIX],
8 [
9   AC_REQUIRE([gl_EOVERFLOW])
10   AC_REQUIRE([gl_PRINTF_SIZES_C99])
11   AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
12   AC_REQUIRE([gl_PRINTF_INFINITE])
13   AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
14   AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
15   AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
16   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
17   AC_REQUIRE([gl_PRINTF_POSITIONS])
18   AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
19   AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
20   AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
21   AC_REQUIRE([gl_PRINTF_PRECISION])
22   AC_REQUIRE([gl_PRINTF_ENOMEM])
23   gl_cv_func_vsprintf_posix=no
24   case "$gl_cv_func_printf_sizes_c99" in
25     *yes)
26       case "$gl_cv_func_printf_long_double" in
27         *yes)
28           case "$gl_cv_func_printf_infinite" in
29             *yes)
30               case "$gl_cv_func_printf_infinite_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_leftadjust" in
43                                         *yes)
44                                           case "$gl_cv_func_printf_flag_zero" in
45                                             *yes)
46                                               case "$gl_cv_func_printf_precision" in
47                                                 *yes)
48                                                   case "$gl_cv_func_printf_enomem" in
49                                                     *yes)
50                                                       # vsprintf exists and is
51                                                       # already POSIX compliant.
52                                                       gl_cv_func_vsprintf_posix=yes
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                   ;;
72               esac
73               ;;
74           esac
75           ;;
76       esac
77       ;;
78   esac
79   if test $gl_cv_func_vsprintf_posix = no; then
80     gl_PREREQ_VASNPRINTF_LONG_DOUBLE
81     gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
82     gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
83     gl_PREREQ_VASNPRINTF_DIRECTIVE_A
84     gl_PREREQ_VASNPRINTF_DIRECTIVE_F
85     gl_PREREQ_VASNPRINTF_FLAG_GROUPING
86     gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
87     gl_PREREQ_VASNPRINTF_FLAG_ZERO
88     gl_PREREQ_VASNPRINTF_PRECISION
89     gl_PREREQ_VASNPRINTF_ENOMEM
90     gl_REPLACE_VASNPRINTF
91     gl_REPLACE_VSPRINTF
92   fi
93 ])
94
95 AC_DEFUN([gl_REPLACE_VSPRINTF],
96 [
97   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
98   AC_LIBOBJ([vsprintf])
99   REPLACE_VSPRINTF=1
100   gl_PREREQ_VSPRINTF
101 ])
102
103 AC_DEFUN([gl_PREREQ_VSPRINTF], [:])