newlib-cygwin/winsup/cygwin/path.sgml

<sect1 id="func-cygwin-posix-to-win32-path-list">
<title>cygwin_posix_to_win32_path_list</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" void
<function>cygwin_posix_to_win32_path_list</function></funcdef>
<paramdef>const char *<parameter>posix</parameter></paramdef>
<paramdef>char *<parameter>win32</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Given a POSIX path-style string (i.e. /foo:/bar) convert it to
the equivalent Win32 path-style string (i.e. d:\;e:\bar).
<parameter>win32</parameter> must point to a sufficiently large
buffer.</para>

<example>
<title>Example use of cygwin_posix_to_win32_path_list</title>
<programlisting>
char *_epath;
char *_win32epath;
_epath = _win32epath = getenv (NAME);
/* If we have a POSIX path list, convert to win32 path list */
if (_epath != NULL && *_epath != 0
    && cygwin_posix_path_list_p (_epath))
  {
    _win32epath = (char *) xmalloc
      (cygwin_posix_to_win32_path_list_buf_size (_epath));
    cygwin_posix_to_win32_path_list (_epath, _win32epath);
    }
</programlisting>
</example>

<para>See also <link linkend="func-cygwin-posix-to-win32-path-list-buf-size">
cygwin_posix_to_win32_path_list_buf_size</link></para>

</sect1>

<sect1 id="func-cygwin-win32-to-posix-path-list">
<title>cygwin_win32_to_posix_path_list</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" void
<function>cygwin_win32_to_posix_path_list</function></funcdef>
<paramdef>const char *<parameter>win32</parameter></paramdef>
<paramdef>char *<parameter>posix</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Given a Win32 path-style string (i.e. d:\;e:\bar) convert it to
the equivalent POSIX path-style string (i.e. /foo:/bar).
<parameter>posix</parameter> must point to a sufficiently large
buffer.  See also <link
linkend="func-cygwin-win32-to-posix-path-list-buf-size">
cygwin_win32_to_posix_path_list_buf_size</link></para>

</sect1>

<sect1 id="func-cygwin-posix-to-win32-path-list-buf-size">
<title>cygwin_posix_to_win32_path_list_buf_size</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" int
<function>cygwin_posix_to_win32_path_list_buf_size</function></funcdef>
<paramdef>const char *<parameter>path_list</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Returns the number of bytes needed to hold the result of calling
<link linkend="func-cygwin-posix-to-win32-path-list">
cygwin_posix_to_win32_path_list</link>.</para>

</sect1>

<sect1 id="func-cygwin-win32-to-posix-path-list-buf-size">
<title>cygwin_win32_to_posix_path_list_buf_size</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" int
<function>cygwin_win32_to_posix_path_list_buf_size</function></funcdef>
<paramdef>const char *<parameter>path_list</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Tells you how many bytes are needed for the results of <link
linkend="func-cygwin-win32-to-posix-path-list">
cygwin_win32_to_posix_path_list</link>.</para>

</sect1>

<sect1 id="func-cygwin-conv-to-posix-path">
<title>cygwin_conv_to_posix_path</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" void
<function>cygwin_conv_to_posix_path</function></funcdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
<paramdef>char *<parameter>posix_path</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Converts a Win32 path to a POSIX path.  If
<parameter>path</parameter> is already a POSIX path, leaves it alone.
If <parameter>path</parameter> is relative, then
<parameter>posix_path</parameter> will also be relative.  Note that
<parameter>posix_path</parameter> must point to a buffer of sufficient
size; use MAX_PATH if needed.</para>

</sect1>

<sect1 id="func-cygwin-conv-to-win32-path">
<title>cygwin_conv_to_win32_path</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" void
<function>cygwin_conv_to_win32_path</function></funcdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
<paramdef>char *<parameter>win32_path</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Converts a POSIX path to a Win32 path.  If
<parameter>path</parameter> is already a Win32 path, leaves it alone.
If <parameter>path</parameter> is relative, then
<parameter>win32_path</parameter> will also be relative.  Note that
<parameter>win32_path</parameter> must point to a buffer of sufficient
size; use MAX_PATH if needed.</para>

</sect1>
<sect1 id="func-cygwin-conv-to-full-posix-path">
<title>cygwin_conv_to_full_posix_path</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" void
<function>cygwin_conv_to_full_posix_path</function></funcdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
<paramdef>char *<parameter>posix_path</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Converts a Win32 path to a POSIX path.  If
<parameter>path</parameter> is already a POSIX path, leaves it alone.
If <parameter>path</parameter> is relative, then
<parameter>posix_path</parameter> will be converted to an absolute
path.  Note that <parameter>posix_path</parameter> must point to a
buffer of sufficient size; use MAX_PATH if needed.</para>

</sect1>

<sect1 id="func-cygwin-conv-to-full-win32-path">
<title>cygwin_conv_to_full_win32_path</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" void
<function>cygwin_conv_to_full_win32_path</function></funcdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
<paramdef>char *<parameter>win32_path</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Converts a POSIX path to a Win32 path.  If
<parameter>path</parameter> is already a Win32 path, leaves it alone.
If <parameter>path</parameter> is relative, then
<parameter>win32_path</parameter> will be converted to an absolute
path.  Note that <parameter>win32_path</parameter> must point to a
buffer of sufficient size; use MAX_PATH if needed.</para>

</sect1>

<sect1 id="func-cygwin-posix-path-list-p">
<title>cygwin_posix_path_list_p</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" int
<function>posix_path_list_p</function></funcdef>
<paramdef>const char *<parameter>path</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>This function tells you if the supplied
<parameter>path</parameter> is a POSIX-style path (i.e. posix names,
forward slashes, colon delimiters) or a Win32-style path (drive
letters, reverse slashes, semicolon delimiters.  The return value is
true if the path is a POSIX path.  Note that "_p" means "predicate", a
lisp term meaning that the function tells you something about the
parameter.</para>

</sect1>

<sect1 id="func-cygwin-split-path">
<title>cygwin_split_path</title>

<funcsynopsis><funcprototype>
<funcdef>extern "C" void
<function>cygwin_split_path</function>
</funcdef>
<paramdef>const char * <parameter>path</parameter></paramdef>
<paramdef>char * <parameter>dir</parameter></paramdef>
<paramdef>char * <parameter>file</parameter></paramdef>
</funcprototype></funcsynopsis>

<para>Split a path into the directory and the file portions.  Both
<parameter>dir</parameter> and <parameter>file</parameter> are
expected to point to buffers of sufficient size.  </para>

<example>
<title>Example use of cygwin_split_path</title>
<programlisting>
char dir[200], file[100];
cygwin_split_path("c:/foo/bar.c", dir, file);
printf("dir=%s, file=%s\n", dir, file);
</programlisting>
</example>
</sect1>