1# snprintf-posix.m4 serial 14
2dnl Copyright (C) 2007-2012 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_FUNC_SNPRINTF_POSIX],
8[
9  AC_REQUIRE([gl_PRINTF_SIZES_C99])
10  AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
11  AC_REQUIRE([gl_PRINTF_INFINITE])
12  AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
13  AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
14  AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
15  AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
16  AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS])
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_snprintf_posix=no
24  AC_CHECK_FUNCS([snprintf])
25  if test $ac_cv_func_snprintf = yes; then
26    gl_SNPRINTF_TRUNCATION_C99
27    gl_SNPRINTF_RETVAL_C99
28    gl_SNPRINTF_DIRECTIVE_N
29    gl_SNPRINTF_SIZE1
30    gl_VSNPRINTF_ZEROSIZE_C99
31    case "$gl_cv_func_printf_sizes_c99" in
32      *yes)
33        case "$gl_cv_func_printf_long_double" in
34          *yes)
35            case "$gl_cv_func_printf_infinite" in
36              *yes)
37                case "$gl_cv_func_printf_infinite_long_double" in
38                  *yes)
39                    case "$gl_cv_func_printf_directive_a" in
40                      *yes)
41                        case "$gl_cv_func_printf_directive_f" in
42                          *yes)
43                            case "$gl_cv_func_printf_directive_n" in
44                              *yes)
45                                case "$gl_cv_func_printf_directive_ls" in
46                                  *yes)
47                                    case "$gl_cv_func_printf_positions" in
48                                      *yes)
49                                        case "$gl_cv_func_printf_flag_grouping" in
50                                          *yes)
51                                            case "$gl_cv_func_printf_flag_leftadjust" in
52                                              *yes)
53                                                case "$gl_cv_func_printf_flag_zero" in
54                                                  *yes)
55                                                    case "$gl_cv_func_printf_precision" in
56                                                      *yes)
57                                                        case "$gl_cv_func_printf_enomem" in
58                                                          *yes)
59                                                            case "$gl_cv_func_snprintf_truncation_c99" in
60                                                              *yes)
61                                                                case "$gl_cv_func_snprintf_retval_c99" in
62                                                                  *yes)
63                                                                    case "$gl_cv_func_snprintf_directive_n" in
64                                                                      *yes)
65                                                                        case "$gl_cv_func_snprintf_size1" in
66                                                                          *yes)
67                                                                            case "$gl_cv_func_vsnprintf_zerosize_c99" in
68                                                                              *yes)
69                                                                                # snprintf exists and is
70                                                                                # already POSIX compliant.
71                                                                                gl_cv_func_snprintf_posix=yes
72                                                                                ;;
73                                                                            esac
74                                                                            ;;
75                                                                        esac
76                                                                        ;;
77                                                                    esac
78                                                                    ;;
79                                                                esac
80                                                                ;;
81                                                            esac
82                                                            ;;
83                                                        esac
84                                                        ;;
85                                                    esac
86                                                    ;;
87                                                esac
88                                                ;;
89                                            esac
90                                            ;;
91                                        esac
92                                        ;;
93                                    esac
94                                    ;;
95                                esac
96                                ;;
97                            esac
98                            ;;
99                        esac
100                        ;;
101                    esac
102                    ;;
103                esac
104                ;;
105            esac
106            ;;
107        esac
108        ;;
109    esac
110  fi
111  if test $gl_cv_func_snprintf_posix = no; then
112    gl_PREREQ_VASNPRINTF_LONG_DOUBLE
113    gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
114    gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
115    gl_PREREQ_VASNPRINTF_DIRECTIVE_A
116    gl_PREREQ_VASNPRINTF_DIRECTIVE_F
117    gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
118    gl_PREREQ_VASNPRINTF_FLAG_GROUPING
119    gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
120    gl_PREREQ_VASNPRINTF_FLAG_ZERO
121    gl_PREREQ_VASNPRINTF_PRECISION
122    gl_PREREQ_VASNPRINTF_ENOMEM
123    gl_REPLACE_VASNPRINTF
124    gl_REPLACE_SNPRINTF
125  fi
126])
127