efl/legacy/evil/win32/common/dirent.h

201 lines
6.8 KiB
C

/* /////////////////////////////////////////////////////////////////////////////
* File: dirent.h
*
* Purpose: Declaration of the opendir() API functions and types for the
* Win32 platform.
*
* Created: 19th October 2002
* Updated: 22nd April 2008
*
* Home: http://synesis.com.au/software/
*
* Copyright (c) 2002-2008, Matthew Wilson and Synesis Software
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the names of Matthew Wilson and Synesis Software nor the names of
* any contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ////////////////////////////////////////////////////////////////////////// */
#ifdef EVIL_COMMON_API
# undef EVIL_COMMON_API
#endif /* EVIL_COMMON_API */
# ifdef EFL_EVIL_BUILD
# ifdef DLL_EXPORT
# define EVIL_COMMON_API __declspec(dllexport)
# else
# define EVIL_COMMON_API
# endif /* ! DLL_EXPORT */
# else
# define EVIL_COMMON_API __declspec(dllimport)
# endif /* ! EFL_EVIL_BUILD */
/** \file dirent.h
*
* Contains the declarations for the opendir()/readdir() API.
*/
#ifndef SYNSOFT_UNIXEM_INCL_H_DIRENT
#define SYNSOFT_UNIXEM_INCL_H_DIRENT
#ifndef UNIXEM_DOCUMENTATION_SKIP_SECTION
# define SYNSOFT_UNIXEM_VER_H_DIRENT_MAJOR 3
# define SYNSOFT_UNIXEM_VER_H_DIRENT_MINOR 3
# define SYNSOFT_UNIXEM_VER_H_DIRENT_REVISION 1
# define SYNSOFT_UNIXEM_VER_H_DIRENT_EDIT 30
#endif /* !UNIXEM_DOCUMENTATION_SKIP_SECTION */
/* ////////////////////////////////////////////////////////////////////////// */
/** \weakgroup unixem Synesis Software UNIX Emulation for Win32
* \brief The UNIX emulation library
*/
/** \weakgroup unixem_dirent opendir()/readdir() API
* \ingroup UNIXem unixem
* \brief This API provides facilities for enumerating the contents of directories
* @{
*/
/* ////////////////////////////////////////////////////////////////////////// */
#ifndef _WIN32
# error This file is only currently defined for compilation on Win32 systems
#endif /* _WIN32 */
/* /////////////////////////////////////////////////////////////////////////////
* Includes
*/
#include <stddef.h>
/* /////////////////////////////////////////////////////////////////////////////
* Constants and definitions
*/
#ifndef NAME_MAX
# define NAME_MAX (260) /*!< \brief The maximum number of characters (including null terminator) in a directory entry name */
#endif /* !NAME_MAX */
/* /////////////////////////////////////////////////////////////////////////////
* Typedefs
*/
typedef struct dirent_dir DIR; /*!< \brief Handle type for ANSI directory enumeration. \note dirent_dir is defined internally */
typedef struct wdirent_dir wDIR; /*!< \brief Handle type for Unicode directory enumeration. \note dirent_dir is defined internally */
/** \brief Results structure for readdir()
*/
struct dirent
{
char d_name[NAME_MAX + 1]; /*!< file name (null-terminated) */
int d_mode;
};
/** \brief Results structure for wreaddir()
*/
struct wdirent
{
wchar_t d_name[NAME_MAX + 1]; /*!< file name (null-terminated) */
int d_mode;
};
/* /////////////////////////////////////////////////////////////////////////////
* API functions
*/
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/** \brief Returns a pointer to the next directory entry.
*
* This function opens the directory named by filename, and returns a
* directory to be used to in subsequent operations. NULL is returned
* if name cannot be accessed, or if resources cannot be acquired to
* process the request.
*
* \param name The name of the directory to search
* \return The directory handle from which the entries are read or NULL
*/
EVIL_COMMON_API DIR* opendir(char const* name);
/** \brief Identical semantics to opendir(), but for Unicode searches.
*/
EVIL_COMMON_API wDIR* wopendir(wchar_t const* name);
/** \brief Closes a directory handle
*
* This function closes a directory handle that was opened with opendir()
* and releases any resources associated with that directory handle.
*
* \param dir The directory handle from which the entries are read
* \return 0 on success, or -1 to indicate error.
*/
EVIL_COMMON_API int closedir(DIR* dir);
/** \brief Identical semantics to closedir(), but for Unicode searches.
*/
EVIL_COMMON_API int wclosedir(wDIR* dir);
/** \brief Resets a directory search position
*
* This function resets the position of the named directory handle to
* the beginning of the directory.
*
* \param dir The directory handle whose position should be reset
*/
EVIL_COMMON_API void rewinddir(DIR* dir);
/** \brief Identical semantics to rewinddir(), but for Unicode searches.
*/
EVIL_COMMON_API void wrewinddir(wDIR* dir);
/** \brief Returns a pointer to the next directory entry.
*
* This function returns a pointer to the next directory entry, or NULL upon
* reaching the end of the directory or detecting an invalid seekdir() operation
*
* \param dir The directory handle from which the entries are read
* \return A dirent structure or NULL
*/
EVIL_COMMON_API struct dirent* readdir(DIR* dir);
/** \brief Identical semantics to readdir(), but for Unicode searches.
*/
EVIL_COMMON_API struct wdirent* wreaddir(wDIR* dir);
#ifdef __cplusplus
}
#endif /* __cplusplus */
/* ////////////////////////////////////////////////////////////////////////// */
/** @} // end of group unixem_dirent */
/* ////////////////////////////////////////////////////////////////////////// */
#endif /* SYNSOFT_UNIXEM_INCL_H_DIRENT */
/* ////////////////////////////////////////////////////////////////////////// */