file_win.c File Reference

Handles non-portable file services [Windows]. More...

#include <windows.h>
#include <time.h>
#include "../file.h"
#include "../../string/wtstring.h"
#include "../../common/platform.h"
#include "../../common/common_utils.h"
#include "../../memory/memory.h"

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Defines
#define	leap(y)   (((y) % 4 == 0 && (y)% 100 != 0) || (y) % 400 == 0)
#define	nleap(y)   (((y) - 1969) / 4 - ((y) - 1901) / 100 + ((y) - 1601) / 400)
Functions
PRIVATE W32	FS_FileTimeToUnixTime (FILETIME *ft)
	Converts file time to UNIX time format.
PUBLIC wtBoolean	FS_DeleteFile (const char *filename)
	Deletes an existing file.
PUBLIC wtBoolean	FS_GetFileAttributes (const char *filename, struct filestats *fs)
	Retrieves attributes for a specified file or directory.
PUBLIC wtBoolean	FS_CreateDirectory (const char *dirname)
	Creates a new directory.
PUBLIC wtBoolean	FS_RemoveDirectory (const char *pathname)
	Deletes an existing empty directory.
PUBLIC char *	FS_GetCurrentDirectory (void)
	Gets the current working directory.
PUBLIC wtBoolean	FS_ChangeCurrentDirectory (const char *path)
	Changes the current directory.
PUBLIC char *	FS_FindFirst (const char *path)
	Searches a directory for a file or subdirectory with a name that matches a specific name.
PUBLIC char *	FS_FindNext (void)
	Continues a file search from a previous call to the FS_FindFirst function.
PUBLIC void	FS_FindClose (void)
	Closes the search handle.
PUBLIC wtBoolean	FS_CompareFileAttributes (const char *path, W32 musthave, W32 canthave)
	Compare directory and file attributes.
Variables
PRIVATE char	findFile [MAX_PATH]
PRIVATE HANDLE	FindHandle

---

Detailed Description

Handles non-portable file services [Windows].

Author:

Michael Liebscher

Date:

2004-2007

---

Function Documentation

PUBLIC wtBoolean FS_ChangeCurrentDirectory

(

const char *

path

)

Changes the current directory.

Parameters:

[in]

path

Pointer to a NUL-terminated string that specifies the path to the new directory.

Returns:

On success nonzero, otherwise zero.

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PUBLIC wtBoolean FS_CompareFileAttributes	(	const char *	path,
		W32	musthave,
		W32	canthave
	)

Compare directory and file attributes.

Parameters:

[in]	path	Specifies the path to compare file attributes.
[in]	musthave	File or directory must have these attributes.
[in]	canthave	File or directory can not have these attributes.

Returns:

On success true, otherwise false.

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PUBLIC wtBoolean FS_CreateDirectory

(

const char *

dirname

)

Creates a new directory.

Parameters:

[in]

dirname

Pointer to a NUL-terminated string that specifies the path of the directory to be created.

Returns:

On success true, otherwise false.

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PUBLIC wtBoolean FS_DeleteFile

(

const char *

filename

)

Deletes an existing file.

Parameters:

[in]

filename

Pointer to a NUL-terminated string that specifies the file to be deleted.

Returns:

If successful the return value is nonzero, otherwise zero.

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PRIVATE W32 FS_FileTimeToUnixTime

(

FILETIME *

ft

)

Converts file time to UNIX time format.

Parameters:

[in]

ft

Pointer to a FILETIME structure containing the file time to convert to UNIX date and time format.

Returns:

On success nonzero, otherwise zero.

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PUBLIC char* FS_FindFirst

(

const char *

path

)

Searches a directory for a file or subdirectory with a name that matches a specific name.

Parameters:

[in]

path

Pointer to a NUL-terminated string that specifies a valid directory or path and file name that can contain wildcard characters.

Returns:

On success string of file name or directory, otherwise NULL.

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PUBLIC char* FS_FindNext

(

void

)

Continues a file search from a previous call to the FS_FindFirst function.

Returns:

On success string of file name or directory, otherwise NULL.

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PUBLIC char* FS_GetCurrentDirectory

(

void

)

Gets the current working directory.

Returns:

If the function succeeds, a pointer to a NUL-terminated string. Otherwise NULL.

Note:

Caller is responsible for freeing allocated memory.

PUBLIC wtBoolean FS_GetFileAttributes	(	const char *	filename,
		struct filestats *	fs
	)

Retrieves attributes for a specified file or directory.

Parameters:

[in]	filename	Pointer to a NUL-terminated string that specifies a file or directory.
[in]	fs	Pointer to a filestats structure that receives the attribute information.

Returns:

On success true, otherwise false.

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PUBLIC wtBoolean FS_RemoveDirectory

(

const char *

pathname

)

Deletes an existing empty directory.

Parameters:

[in]

dirname

Pointer to a NUL-terminated string that specifies the directory to be deleted.

Returns:

If successful the return value is nonzero, otherwise zero.

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