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Re: portability note about 'printf'


From: Paul Eggert
Subject: Re: portability note about 'printf'
Date: Thu, 26 Apr 2007 12:51:34 -0700
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux)

Thanks, I installed this into the Autoconf manual:

2007-04-26  Paul Eggert  <address@hidden>

        * doc/autoconf.texi (Limitations of Builtins): Warn about Solaris
        /bin/printf '%010000x' 123.  Problem reported by Arto C. Nirkko
        via Bruno Haible.

Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.1147
diff -u -p -r1.1147 autoconf.texi
--- doc/autoconf.texi   13 Apr 2007 07:52:58 -0000      1.1147
+++ doc/autoconf.texi   26 Apr 2007 19:50:42 -0000
@@ -12700,6 +12700,12 @@ $ @kbd{printf '\045'}
 bash: printf: `%': missing format character
 @end example

+Large outputs may cause trouble.  On Solaris 8 through 10, for example,
+the command @samp{/bin/printf %010000x 123} dumps core.  This particular
+bug should have little practical effect since Solaris shells' builtin
address@hidden commands do not have the bug, but it indicates an area
+that other @command{printf} implementations may have trouble in.
+

 @item @command{read}
 @c ------------------




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