summaryrefslogtreecommitdiff
path: root/m4/vsprintf-posix.m4
blob: 9507d8180c14ef4e2248449f9a346bf6d5db0c44 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
# vsprintf-posix.m4 serial 5
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_VSPRINTF_POSIX],
[
  AC_REQUIRE([gl_EOVERFLOW])
  AC_REQUIRE([gl_PRINTF_SIZES_C99])
  AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
  AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
  AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
  AC_REQUIRE([gl_PRINTF_POSITIONS])
  AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
  AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
  gl_cv_func_vsprintf_posix=no
  case "$gl_cv_func_printf_sizes_c99" in
    *yes)
      case "$gl_cv_func_printf_directive_a" in
        *yes)
          case "$gl_cv_func_printf_directive_f" in
            *yes)
              case "$gl_cv_func_printf_directive_n" in
                *yes)
                  case "$gl_cv_func_printf_positions" in
                    *yes)
                      case "$gl_cv_func_printf_flag_grouping" in
                        *yes)
                          case "$gl_cv_func_printf_flag_zero" in
                            *yes)
                              # vsprintf exists and is already POSIX compliant.
                              gl_cv_func_vsprintf_posix=yes
                              ;;
                          esac
                          ;;
                      esac
                      ;;
                  esac
                  ;;
              esac
              ;;
          esac
          ;;
      esac
      ;;
  esac
  if test $gl_cv_func_vsprintf_posix = no; then
    gl_PREREQ_VASNPRINTF_DIRECTIVE_A
    gl_PREREQ_VASNPRINTF_DIRECTIVE_F
    gl_PREREQ_VASNPRINTF_FLAG_GROUPING
    gl_PREREQ_VASNPRINTF_FLAG_ZERO
    gl_REPLACE_VASNPRINTF
    gl_REPLACE_VSPRINTF
  fi
])

AC_DEFUN([gl_REPLACE_VSPRINTF],
[
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  AC_LIBOBJ([vsprintf])
  REPLACE_VSPRINTF=1
  gl_PREREQ_VSPRINTF
])

AC_DEFUN([gl_PREREQ_VSPRINTF], [:])