windows-nt/Source/XPSP1/NT/base/crts/crtw32/stdio/fgetws.c
2020-09-26 16:20:57 +08:00

54 lines
1.4 KiB
C

/***
*fgetws.c - get wide string from a file
*
* Copyright (c) 1993-2001, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines fgetws() - read a wide string from a file
*
*Revision History:
* 04-26-93 CFW Module created.
* 02-07-94 CFW POSIXify.
* 02-22-95 GJF Removed obsolete WPRFLAG.
*
*******************************************************************************/
#ifndef _POSIX_
/***
*wchar_t *fgetws(string, count, stream) - input string from a stream
*
*Purpose:
* get a string, up to count-1 wide chars or L'\n', whichever comes first,
* append L'\0' and put the whole thing into string. the L'\n' IS included
* in the string. if count<=1 no input is requested. if WEOF is found
* immediately, return NULL. if WEOF found after chars read, let WEOF
* finish the string as L'\n' would.
*
*Entry:
* wchar_t *string - pointer to place to store string
* int count - max characters to place at string (include \0)
* FILE *stream - stream to read from
*
*Exit:
* returns wide string with text read from file in it.
* if count <= 0 return NULL
* if count == 1 put null string in string
* returns NULL if error or end-of-file found immediately
*
*Exceptions:
*
*******************************************************************************/
#ifndef _UNICODE /* CRT flag */
#define _UNICODE 1
#endif
#ifndef UNICODE /* NT flag */
#define UNICODE 1
#endif
#include "fgets.c"
#endif /* _POSIX_ */