diff options
Diffstat (limited to 'winsup/doc/textbinary.sgml')
| -rw-r--r-- | winsup/doc/textbinary.sgml | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/winsup/doc/textbinary.sgml b/winsup/doc/textbinary.sgml index 1e74c5861..674c39ef2 100644 --- a/winsup/doc/textbinary.sgml +++ b/winsup/doc/textbinary.sgml @@ -1,6 +1,6 @@ <sect1 id="using-textbinary"><title>Text and Binary modes</title> -<sect2> <title>The Issue</title> +<sect2 id="textbin-issue"> <title>The Issue</title> <para>On a UNIX system, when an application reads from a file it gets exactly what's in the file on disk and the converse is true for writing. @@ -28,7 +28,7 @@ other programs (such as <command>cat</command>, <command>cmp</command>, </sect2> -<sect2><title>The default Cygwin behavior</title> +<sect2 id="textbin-default"><title>The default Cygwin behavior</title> <para>The Cygwin system gives us some flexibility in deciding how files are to be opened when the mode is not specified explicitly. @@ -49,22 +49,8 @@ backslash or a colon), the default is binary. <listitem> <para>Pipes and non-file devices are opened in binary mode, except if the <envar>CYGWIN</envar> environment variable contains -<literal>nobinmode</literal>.</para> -<warning><title>Warning!</title><para>In b20.1 of 12/98, a file will be opened -in binary mode if any of the following conditions hold:</para> -<orderedlist numeration="arabic" spacing="compact"> -<listitem><para>binary mode is specified in the open call</para> -</listitem> -<listitem><para>the filename is a MS-DOS filename</para> -</listitem> -<listitem><para>the file resides on a binary mounted partition</para> -</listitem> -<listitem><para><envar>CYGWIN</envar> contains <literal>binmode</literal></para> -</listitem> -<listitem><para>the file is not a disk file</para> -</listitem> -</orderedlist> -</warning> +<literal>nobinmode</literal>. Sockets are always opened in binary +mode.</para> </listitem> <listitem> @@ -79,7 +65,7 @@ and <command> program < filename </command> are not equivalent when </orderedlist> </sect2> -<sect2><title>Example</title> +<sect2 id="textbin-example"><title>Example</title> <para>To illustrate the various rules, we provide scripts to delete CRs from files by using the <command>tr</command> program, which can only write to standard output. @@ -115,7 +101,7 @@ In the second case we rely on the DOS shell to redirect in binary mode. </para> </sect2> -<sect2><title>Binary or text?</title> +<sect2 id="textbin-question"><title>Binary or text?</title> <para>UNIX programs that have been written for maximum portability will know the difference between text and binary files and act @@ -150,7 +136,7 @@ in binary mode.</para> </sect2> -<sect2><title>Programming</title> +<sect2 id="textbin-devel"><title>Programming</title> <para>In the <function>open()</function> function call, binary mode can be specified with the flag <literal>O_BINARY</literal> and text mode with |