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* pathnames.sgml: Clarify binmode/textmode behavior slightly.

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* textbinary.sgml: Ditto.
This commit is contained in:
Christopher Faylor
2005-03-06 02:46:54 +00:00
parent 3016669b4b
commit 57a64c15da
3 changed files with 25 additions and 18 deletions
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26
winsup/doc/textbinary.sgml
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@@ -35,15 +35,15 @@ are to be opened when the mode is not specified explicitly.
The rules are evolving, this section gives the design goals.</para>
<orderedlist numeration="loweralpha">
<listitem>
<para>If the file appears to reside on a file system that is mounted
(i.e. if its pathname starts with a directory displayed by
<command>mount</command>), then the default is specified by the mount
flag. If the file is a symbolic link, the mode of the target file system
applies.</para>
<para>If the filename is specified as a POSIX path and it appears to
reside on a file system that is mounted (i.e. if its pathname starts
with a directory displayed by <command>mount</command>), then the
default is specified by the mount flag. If the file is a symbolic link,
the mode of the target file system applies.</para>
</listitem>
<listitem>
<para>If the file appears to reside on a file system that is not mounted
(as can happen when the path contains a drive letter), the default is binary.
<para>If the file is specified via a MS-DOS pathname (i.e., it contains a
backslash or a colon), the default is binary.
</para>
</listitem>
<listitem>
@@ -55,9 +55,11 @@ 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><envar>CYGWIN</envar> contains <literal>binmode</literal></para>
<listitem><para>the filename is a MS-DOS filename
</listitem>
<listitem><para>the file resides in a binary mounted partition</para>
<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>
@@ -66,11 +68,7 @@ in binary mode if any of the following conditions hold:</para>
</listitem>
<listitem>
<para>When a Cygwin program is launched by a shell, its standard input,
output and error are in binary mode if the <envar>CYGWIN</envar> variable
contains <literal>tty</literal>, else in text mode, except if they are piped
or redirected.</para>
<para> When redirecting, the Cygwin shells uses rules (a-c). For
<para> When redirecting, the Cygwin shells uses rules (a-e). For
these shells the relevant value of <envar>CYGWIN</envar> is that at the time
the shell was launched and not that at the time the program is executed.
Non-Cygwin shells always pipe and redirect with binary mode. With