Directory.h

//@AUTOHEADER@BEGIN@
/***********************************************************************\
|                    Drift Standard Libraries v1.01                     |
|            Copyright 2010-2023 Drift Solutions / Indy Sams            |
| Docs and more information available at https://www.driftsolutions.dev |
|          This file released under the 3-clause BSD license,           |
|            see included DSL.LICENSE.TXT file for details.             |
\***********************************************************************/
//@AUTOHEADER@END@
 
#ifndef __DSL_DIRECTORY_H__
#define __DSL_DIRECTORY_H__
 
#ifdef __GLIBC__
    #if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 24)
        #warning "Old glibc, using readdir_r"
        #define __DSL_USE_READDIR_R__ 1
    #endif
#endif
 
class DSL_API_CLASS Directory {
private:
    union {
        char * mDir;
        wchar_t * wDir;
    };
    #if defined(WIN32)
        HANDLE hFind;
        union {
            WIN32_FIND_DATAA wfdA;
            WIN32_FIND_DATAW wfdW;
        };
    #else
        DIR * hFind;
        #if defined(__DSL_USE_READDIR_R__)
            dirent * last_res;
        #endif
    #endif
 
public:
    Directory();
    Directory(const char * dir); 
    Directory(const wchar_t * dir); 
    ~Directory();
 
    bool Open(const char * dir); 
    bool Open(const wchar_t * dir); 
 
    bool Read(char * buf, unsigned long bufSize, bool * is_dir=NULL, int64 * size=NULL);
    bool Read(wchar_t * buf, unsigned long bufSize, bool * is_dir = NULL, int64 * size = NULL);
 
    void Close(); 
};
 
#endif // __DSL_DIRECTORY_H__