base64: Reference latest RFC.

[gnulib.git] / m4 / printf.m4

diff --git a/m4/printf.m4 b/m4/printf.m4
index f54b8a9..1538d23 100644 (file)
--- a/m4/printf.m4
+++ b/m4/printf.m4
@@ -1,5 +1,5 @@
-# printf.m4 serial 40
-dnl Copyright (C) 2003, 2007-2010 Free Software Foundation, Inc.
+# printf.m4 serial 43
+dnl Copyright (C) 2003, 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.
@@ -890,8 +890,10 @@ changequote([,])dnl
 dnl Test whether the *printf family of functions supports large precisions.
 dnl On mingw, precisions larger than 512 are treated like 512, in integer,
 dnl floating-point or pointer output. On Solaris 10/x86, precisions larger
-dnl than 510 in floating-point output crash the program. On BeOS, precisions
-dnl larger than 1044 crash the program.
+dnl than 510 in floating-point output crash the program. On Solaris 10/SPARC,
+dnl precisions larger than 510 in floating-point output yield wrong results.
+dnl On AIX 7.1, precisions larger than 998 in floating-point output yield
+dnl wrong results. On BeOS, precisions larger than 1044 crash the program.
 dnl Result is gl_cv_func_printf_precision.
 
 AC_DEFUN([gl_PRINTF_PRECISION],
@@ -917,6 +919,12 @@ int main ()
     result |= 1;
   if (sprintf (buf, "%.4000f %d", 1.0, 33, 44) < 4000 + 5)
     result |= 2;
+  if (sprintf (buf, "%.511f %d", 1.0, 33, 44) < 511 + 5
+      || buf[0] != '1')
+    result |= 4;
+  if (sprintf (buf, "%.999f %d", 1.0, 33, 44) < 999 + 5
+      || buf[0] != '1')
+    result |= 4;
   return result;
 }]])],
         [gl_cv_func_printf_precision=yes],
@@ -1102,7 +1110,8 @@ changequote(,)dnl
                                  gl_cv_func_snprintf_truncation_c99="guessing no";;
            openbsd*)             gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                  # Guess yes on Solaris >= 2.6.
-           solaris2.[0-5]*)      gl_cv_func_snprintf_truncation_c99="guessing no";;
+           solaris2.[0-5] | solaris2.[0-5].*)
+                                 gl_cv_func_snprintf_truncation_c99="guessing no";;
            solaris*)             gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                  # Guess yes on AIX >= 4.
            aix[1-3]*)            gl_cv_func_snprintf_truncation_c99="guessing no";;
@@ -1247,7 +1256,8 @@ changequote(,)dnl
            darwin[1-6].*)        gl_cv_func_snprintf_directive_n="guessing no";;
            darwin*)              gl_cv_func_snprintf_directive_n="guessing yes";;
                                  # Guess yes on Solaris >= 2.6.
-           solaris2.[0-5]*)      gl_cv_func_snprintf_directive_n="guessing no";;
+           solaris2.[0-5] | solaris2.[0-5].*)
+                                 gl_cv_func_snprintf_directive_n="guessing no";;
            solaris*)             gl_cv_func_snprintf_directive_n="guessing yes";;
                                  # Guess yes on AIX >= 4.
            aix[1-3]*)            gl_cv_func_snprintf_directive_n="guessing no";;
@@ -1375,7 +1385,8 @@ changequote(,)dnl
                                  # Guess yes on Cygwin.
            cygwin*)              gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                  # Guess yes on Solaris >= 2.6.
-           solaris2.[0-5]*)      gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+           solaris2.[0-5] | solaris2.[0-5].*)
+                                 gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
            solaris*)             gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                  # Guess yes on AIX >= 4.
            aix[1-3]*)            gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
@@ -1456,9 +1467,10 @@ dnl   Cygwin 1.5.25 (2008)           .  .  .  #  #  .  .  #  .  .  .  .  .  #  .
 dnl   Cygwin 1.5.19 (2006)           #  .  .  #  #  #  .  #  .  #  .  #  #  #  .  .  .  .  .  .
 dnl   Solaris 11 2010-11             .  .  #  #  #  .  .  #  .  .  .  #  .  .  .  .  .  .  .  .
 dnl   Solaris 10                     .  .  #  #  #  .  .  #  .  .  .  #  #  .  .  .  .  .  .  .
-dnl   Solaris 2.6 ... 9              #  .  #  #  #  #  .  #  .  .  .  #  .  .  .  .  #  .  .  .
+dnl   Solaris 2.6 ... 9              #  .  #  #  #  #  .  #  .  .  .  #  #  .  .  .  #  .  .  .
 dnl   Solaris 2.5.1                  #  .  #  #  #  #  .  #  .  .  .  #  .  .  #  #  #  #  #  #
-dnl   AIX 5.2, 7.1                   .  .  #  #  #  .  .  .  .  .  .  #  .  .  .  .  .  .  .  .
+dnl   AIX 7.1                        .  .  #  #  #  .  .  .  .  .  .  #  #  .  .  .  .  .  .  .
+dnl   AIX 5.2                        .  .  #  #  #  .  .  .  .  .  .  #  .  .  .  .  .  .  .  .
 dnl   AIX 4.3.2, 5.1                 #  .  #  #  #  #  .  .  .  .  .  #  .  .  .  .  #  .  .  .
 dnl   HP-UX 11.31                    .  .  .  .  #  .  .  .  .  .  .  #  .  .  .  .  #  #  .  .
 dnl   HP-UX 11.{00,11,23}            #  .  .  .  #  #  .  .  .  .  .  #  .  .  .  .  #  #  .  #
@@ -1471,4 +1483,6 @@ dnl   NetBSD 4.0                     .  ?  ?  ?  ?  ?  .  ?  .  ?  ?  ?  ?  ?  .
 dnl   NetBSD 3.0                     .  .  .  .  #  #  .  ?  #  #  ?  #  .  #  .  .  .  .  .  .
 dnl   Haiku                          .  .  .  #  #  #  .  #  .  .  .  .  .  ?  .  .  ?  .  .  .
 dnl   BeOS                           #  #  .  #  #  #  .  ?  #  .  ?  .  #  ?  .  .  ?  .  .  .
-dnl   mingw                          #  #  #  #  #  #  .  .  #  #  .  #  #  ?  .  #  #  #  .  .
+dnl   old mingw / msvcrt             #  #  #  #  #  #  .  .  #  #  .  #  #  ?  .  #  #  #  .  .
+dnl   mingw 2009-2011                .  #  .  #  .  .  .  .  #  #  .  .  .  ?  .  .  .  .  .  .
+dnl   mingw-w64 2011                 #  #  #  #  #  #  .  .  #  #  .  #  #  ?  .  #  #  #  .  .