test-*printf-posix failures

[Bruno Haible]

>       2 x FAIL: test-vsprintf-posix
>       2 x FAIL: test-vsnprintf-posix
>       2 x FAIL: test-sprintf-posix
>       2 x FAIL: test-snprintf-posix

These failures on AIX occur when a precision > 998 is used on a floating-point
number. Worked around through this fix:


2011-06-19  Bruno Haible  <address@hidden>

        sprintf-posix: Fix test failure on AIX 7.1.
        * m4/printf.m4 (gl_PRINTF_PRECISION): Test against AIX bug.
        * doc/posix-functions/dprintf.texi: Mention limited precision problem
        on AIX.
        * doc/posix-functions/fprintf.texi: Likewise.
        * doc/posix-functions/printf.texi: Likewise.
        * doc/posix-functions/snprintf.texi: Likewise.
        * doc/posix-functions/sprintf.texi: Likewise.
        * doc/posix-functions/vdprintf.texi: Likewise.
        * doc/posix-functions/vfprintf.texi: Likewise.
        * doc/posix-functions/vprintf.texi: Likewise.
        * doc/posix-functions/vsnprintf.texi: Likewise.
        * doc/posix-functions/vsprintf.texi: Likewise.

--- doc/posix-functions/dprintf.texi.orig       Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/dprintf.texi    Sun Jun 19 15:56:29 2011
@@ -20,6 +20,10 @@
 This function does not support the @samp{a} and @samp{A} directives on some
 platforms:
 glibc-2.3.6.
address@hidden
+This function does not support precisions larger than 512 or 1024 in integer,
+floating-point and pointer output on some platforms:
+AIX 7.1.
 @end itemize
 
 Portability problems not fixed by Gnulib:
--- doc/posix-functions/fprintf.texi.orig       Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/fprintf.texi    Sun Jun 19 15:56:29 2011
@@ -53,7 +53,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-Solaris 10/x86, mingw, BeOS.
+AIX 7.1, Solaris 10/x86, mingw, BeOS.
 @item
 This function mishandles large floating point precisions
 (for example, formatting 1.0 with @samp{"%.511f"})
--- doc/posix-functions/printf.texi.orig        Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/printf.texi     Sun Jun 19 15:56:30 2011
@@ -53,7 +53,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-Solaris 10/x86, mingw, BeOS.
+AIX 7.1, Solaris 10/x86, mingw, BeOS.
 @item
 This function mishandles large floating point precisions
 (for example, formatting 1.0 with @samp{"%.511f"})
--- doc/posix-functions/snprintf.texi.orig      Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/snprintf.texi   Sun Jun 19 15:56:30 2011
@@ -67,7 +67,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-Solaris 10/x86, mingw, BeOS.
+AIX 7.1, Solaris 10/x86, mingw, BeOS.
 @item
 This function mishandles large floating point precisions
 (for example, formatting 1.0 with @samp{"%.511f"})
--- doc/posix-functions/sprintf.texi.orig       Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/sprintf.texi    Sun Jun 19 15:56:30 2011
@@ -53,7 +53,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-Solaris 10/x86, mingw, BeOS.
+AIX 7.1, Solaris 10/x86, mingw, BeOS.
 @item
 This function mishandles large floating point precisions
 (for example, formatting 1.0 with @samp{"%.511f"})
--- doc/posix-functions/vdprintf.texi.orig      Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/vdprintf.texi   Sun Jun 19 15:55:32 2011
@@ -37,7 +37,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-BeOS.
+AIX 7.1, BeOS.
 @end itemize
 
 Portability problems not fixed by Gnulib:
--- doc/posix-functions/vfprintf.texi.orig      Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/vfprintf.texi   Sun Jun 19 15:56:30 2011
@@ -53,7 +53,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-Solaris 10/x86, mingw, BeOS.
+AIX 7.1, Solaris 10/x86, mingw, BeOS.
 @item
 This function mishandles large floating point precisions
 (for example, formatting 1.0 with @samp{"%.511f"})
--- doc/posix-functions/vprintf.texi.orig       Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/vprintf.texi    Sun Jun 19 15:56:30 2011
@@ -53,7 +53,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-Solaris 10/x86, mingw, BeOS.
+AIX 7.1, Solaris 10/x86, mingw, BeOS.
 @item
 This function mishandles large floating point precisions
 (for example, formatting 1.0 with @samp{"%.511f"})
--- doc/posix-functions/vsnprintf.texi.orig     Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/vsnprintf.texi  Sun Jun 19 15:56:30 2011
@@ -67,7 +67,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-Solaris 10/x86, mingw, BeOS.
+AIX 7.1, Solaris 10/x86, mingw, BeOS.
 @item
 This function mishandles large floating point precisions
 (for example, formatting 1.0 with @samp{"%.511f"})
--- doc/posix-functions/vsprintf.texi.orig      Sun Jun 19 16:04:54 2011
+++ doc/posix-functions/vsprintf.texi   Sun Jun 19 15:56:31 2011
@@ -53,7 +53,7 @@
 @item
 This function does not support precisions larger than 512 or 1024 in integer,
 floating-point and pointer output on some platforms:
-Solaris 10/x86, mingw, BeOS.
+AIX 7.1, Solaris 10/x86, mingw, BeOS.
 @item
 This function mishandles large floating point precisions
 (for example, formatting 1.0 with @samp{"%.511f"})
--- m4/printf.m4.orig   Sun Jun 19 16:04:54 2011
+++ m4/printf.m4        Sun Jun 19 16:04:50 2011
@@ -1,4 +1,4 @@
-# printf.m4 serial 42
+# 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,
@@ -892,7 +892,8 @@
 dnl floating-point or pointer output. On Solaris 10/x86, precisions larger
 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 BeOS, precisions larger than 1044 crash the program.
+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],
@@ -921,6 +922,9 @@
   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],
@@ -1465,7 +1469,8 @@
 dnl   Solaris 10                     .  .  #  #  #  .  .  #  .  .  .  #  #  .  
.  .  .  .  .  .
 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}            #  .  .  .  #  #  .  .  .  .  .  #  .  .  
.  .  #  #  .  #


-- 
In memoriam Alois Eliáš <http://en.wikipedia.org/wiki/Alois_Eliáš>