X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fsnprintf-posix.m4;h=7d4ce322e0e35787b8a9f5da0404b0f06dbc59c4;hb=6acf0ec37a8adfcdd264e494636b263e267a69fb;hp=44c0dbf8aef8a3c763cb106ad2e2b97fa98d5714;hpb=a6a6531cc5b25d5e8039a101a9c988a0f645b2d0;p=gnulib.git

diff --git a/m4/snprintf-posix.m4 b/m4/snprintf-posix.m4
index 44c0dbf8a..7d4ce322e 100644
--- a/m4/snprintf-posix.m4
+++ b/m4/snprintf-posix.m4
@@ -1,39 +1,125 @@
-# snprintf-posix.m4 serial 1
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# snprintf-posix.m4 serial 14
+dnl Copyright (C) 2007-2011 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_SNPRINTF_POSIX],
 [
-  AC_REQUIRE([gl_EOVERFLOW])
   AC_REQUIRE([gl_PRINTF_SIZES_C99])
+  AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
+  AC_REQUIRE([gl_PRINTF_INFINITE])
+  AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
   AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
+  AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
+  AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS])
   AC_REQUIRE([gl_PRINTF_POSITIONS])
+  AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
+  AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
+  AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
+  AC_REQUIRE([gl_PRINTF_PRECISION])
+  AC_REQUIRE([gl_PRINTF_ENOMEM])
   gl_cv_func_snprintf_posix=no
   AC_CHECK_FUNCS([snprintf])
   if test $ac_cv_func_snprintf = yes; then
     gl_SNPRINTF_TRUNCATION_C99
     gl_SNPRINTF_RETVAL_C99
     gl_SNPRINTF_DIRECTIVE_N
-    if expr "$gl_cv_func_printf_sizes_c99" : ".*yes" > /dev/null \
-       && expr "$gl_cv_func_printf_directive_a" : ".*yes" > /dev/null \
-       && expr "$gl_cv_func_printf_directive_n" : ".*yes" > /dev/null \
-       && expr "$gl_cv_func_printf_positions" : ".*yes" > /dev/null \
-       && expr "$gl_cv_func_snprintf_truncation_c99" : ".*yes" > /dev/null \
-       && expr "$gl_cv_func_snprintf_retval_c99" : ".*yes" > /dev/null \
-       && expr "$gl_cv_func_snprintf_directive_n" : ".*yes" > /dev/null; then
-      # snprintf exists and is already POSIX compliant.
-      gl_cv_func_snprintf_posix=yes
-    fi
+    gl_SNPRINTF_SIZE1
+    gl_VSNPRINTF_ZEROSIZE_C99
+    case "$gl_cv_func_printf_sizes_c99" in
+      *yes)
+        case "$gl_cv_func_printf_long_double" in
+          *yes)
+            case "$gl_cv_func_printf_infinite" in
+              *yes)
+                case "$gl_cv_func_printf_infinite_long_double" 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_directive_ls" in
+                                  *yes)
+                                    case "$gl_cv_func_printf_positions" in
+                                      *yes)
+                                        case "$gl_cv_func_printf_flag_grouping" in
+                                          *yes)
+                                            case "$gl_cv_func_printf_flag_leftadjust" in
+                                              *yes)
+                                                case "$gl_cv_func_printf_flag_zero" in
+                                                  *yes)
+                                                    case "$gl_cv_func_printf_precision" in
+                                                      *yes)
+                                                        case "$gl_cv_func_printf_enomem" in
+                                                          *yes)
+                                                            case "$gl_cv_func_snprintf_truncation_c99" in
+                                                              *yes)
+                                                                case "$gl_cv_func_snprintf_retval_c99" in
+                                                                  *yes)
+                                                                    case "$gl_cv_func_snprintf_directive_n" in
+                                                                      *yes)
+                                                                        case "$gl_cv_func_snprintf_size1" in
+                                                                          *yes)
+                                                                            case "$gl_cv_func_vsnprintf_zerosize_c99" in
+                                                                              *yes)
+                                                                                # snprintf exists and is
+                                                                                # already POSIX compliant.
+                                                                                gl_cv_func_snprintf_posix=yes
+                                                                                ;;
+                                                                            esac
+                                                                            ;;
+                                                                        esac
+                                                                        ;;
+                                                                    esac
+                                                                    ;;
+                                                                esac
+                                                                ;;
+                                                            esac
+                                                            ;;
+                                                        esac
+                                                        ;;
+                                                    esac
+                                                    ;;
+                                                esac
+                                                ;;
+                                            esac
+                                            ;;
+                                        esac
+                                        ;;
+                                    esac
+                                    ;;
+                                esac
+                                ;;
+                            esac
+                            ;;
+                        esac
+                        ;;
+                    esac
+                    ;;
+                esac
+                ;;
+            esac
+            ;;
+        esac
+        ;;
+    esac
   fi
   if test $gl_cv_func_snprintf_posix = no; then
-    if ! expr "$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_PREREQ_VASNPRINTF_LONG_DOUBLE
+    gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
+    gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
+    gl_PREREQ_VASNPRINTF_DIRECTIVE_A
+    gl_PREREQ_VASNPRINTF_DIRECTIVE_F
+    gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
+    gl_PREREQ_VASNPRINTF_FLAG_GROUPING
+    gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
+    gl_PREREQ_VASNPRINTF_FLAG_ZERO
+    gl_PREREQ_VASNPRINTF_PRECISION
+    gl_PREREQ_VASNPRINTF_ENOMEM
     gl_REPLACE_VASNPRINTF
     gl_REPLACE_SNPRINTF
   fi