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106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
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/*
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** 2015 November 30
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** This file contains declarations for most of the opendir() family of
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** POSIX functions on Win32 using the MSVCRT.
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*/
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#if defined(_WIN32) && defined(_MSC_VER)
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/*
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** We need several data types from the Windows SDK header.
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*/
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#define WIN32_LEAN_AND_MEAN
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#include "windows.h"
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/*
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** We need several support functions from the SQLite core.
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*/
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#include "sqlite3.h"
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/*
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** We need several things from the ANSI and MSVCRT headers.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <io.h>
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#include <limits.h>
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/*
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** We may need to provide the "ino_t" type.
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*/
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#ifndef INO_T_DEFINED
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#define INO_T_DEFINED
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typedef unsigned short ino_t;
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#endif
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/*
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** We need to define "NAME_MAX" if it was not present in "limits.h".
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*/
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#ifndef NAME_MAX
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# ifdef FILENAME_MAX
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# define NAME_MAX (FILENAME_MAX)
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# else
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# define NAME_MAX (260)
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# endif
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#endif
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/*
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** We need to define "NULL_INTPTR_T" and "BAD_INTPTR_T".
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*/
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#ifndef NULL_INTPTR_T
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# define NULL_INTPTR_T ((intptr_t)(0))
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#endif
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#ifndef BAD_INTPTR_T
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# define BAD_INTPTR_T ((intptr_t)(-1))
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#endif
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/*
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** We need to provide the necessary structures and related types.
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*/
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typedef struct DIRENT DIRENT;
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typedef struct DIR DIR;
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typedef DIRENT *LPDIRENT;
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typedef DIR *LPDIR;
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struct DIRENT {
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ino_t d_ino; /* Sequence number, do not use. */
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unsigned d_attributes; /* Win32 file attributes. */
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char d_name[NAME_MAX + 1]; /* Name within the directory. */
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};
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struct DIR {
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intptr_t d_handle; /* Value returned by "_findfirst". */
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DIRENT d_first; /* DIRENT constructed based on "_findfirst". */
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DIRENT d_next; /* DIRENT constructed based on "_findnext". */
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};
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/*
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** Finally, we can provide the function prototypes for the opendir(),
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** readdir(), readdir_r(), and closedir() POSIX functions.
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*/
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extern LPDIR opendir(const char *dirname);
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extern LPDIRENT readdir(LPDIR dirp);
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extern INT readdir_r(LPDIR dirp, LPDIRENT entry, LPDIRENT *result);
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extern INT closedir(LPDIR dirp);
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#endif /* defined(WIN32) && defined(_MSC_VER) */
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