56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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// SPDX-License-Identifier: LGPL-3.0-or-later
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/* Portable low level system directory access.
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*
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* Copyright: 2022, The DoubleFourteen Code Forge
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* Author: Lorenzo Cogotti
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*/
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#ifndef DF_LUA_OSXDIR_H_
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#define DF_LUA_OSXDIR_H_
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#include "lua.h"
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#ifdef _WIN32
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#include <io.h>
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typedef struct {
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intptr_t dirh; // raw system directory handle
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_Bool startflag; // whether data references the first directory entry
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_Bool endflag; // whether we've made to the end of the directory
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_Bool errflag; // whether last call encountered an error
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struct _finddata_t data; // directory entry info
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} *df_os_dirhn;
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#ifdef DF_LUA_OSXLIB
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#define DF_OSXLIB_API __declspec(dllexport)
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#else
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#define DF_OSXLIB_API __declspec(dllimport)
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#endif
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#else
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#include <dirent.h>
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typedef DIR *df_os_dirhn;
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#define DF_OSXLIB_API
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#endif
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/* Open directory at 'path' (not NULL).
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* Returns opened directory handle on success, NULL on failure (sets errno).
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*/
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DF_OSXLIB_API df_os_dirhn os_opendir(const char *path);
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/* Read next entry from opened directory handle 'hn' (not NULL).
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* Returns:
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* - next entry filename on success.
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* - NULL leaving errno unchanged when no more entries are available.
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* - NULL and sets errno on failure.
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*/
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DF_OSXLIB_API char *os_readdir(df_os_dirhn hn);
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/* Close opened directory handle 'hn' (not NULL). */
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DF_OSXLIB_API void os_closedir(df_os_dirhn hn);
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#endif
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