//========================================================================////      fgets.cxx////      ANSI Stdio fgets() function////========================================================================//####COPYRIGHTBEGIN####//// -------------------------------------------// The contents of this file are subject to the Cygnus eCos Public License// Version 1.0 (the "License"); you may not use this file except in// compliance with the License.  You may obtain a copy of the License at// http://sourceware.cygnus.com/ecos// // Software distributed under the License is distributed on an "AS IS"// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the// License for the specific language governing rights and limitations under// the License.// // The Original Code is eCos - Embedded Cygnus Operating System, released// September 30, 1998.// // The Initial Developer of the Original Code is Cygnus.  Portions created// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions.  All Rights Reserved.// -------------------------------------------////####COPYRIGHTEND####//========================================================================//#####DESCRIPTIONBEGIN####//// Author(s):     jlarmour// Contributors:  jlarmour// Date:          1998-02-13// Purpose:     // Description: // Usage:       ////####DESCRIPTIONEND####////=======================================================================// CONFIGURATION#include <pkgconf/libc.h>   // Configuration header// Include the C library? And do we want the stdio stuff?#if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO)// INCLUDES#include <cyg/infra/cyg_type.h>     // Common project-wide type definitions#include <stddef.h>                 // NULL and size_t from compiler#include <stdio.h>                  // header for this file#include <errno.h>                  // error codes#include "clibincl/stdiosupp.hxx"   // Support functions for stdio#include "clibincl/stream.hxx"      // Cyg_StdioStream// EXPORTED SYMBOLSexternC char *fgets( char *, int, FILE * ) CYGPRI_LIBC_WEAK_ALIAS("_fgets");// FUNCTIONSexternC char *_fgets( char *s, int n, FILE *stream ){    Cyg_StdioStream *real_stream = (Cyg_StdioStream *)stream;    cyg_ucount32 bytes_read;    Cyg_ErrNo err;        err = real_stream->read( (cyg_uint8 *)s, n-1, &bytes_read );    if (!err && !bytes_read) { // if no err, but nothing to read, try again        real_stream->refill_read_buffer();        err = real_stream->read( (cyg_uint8 *)s, n-1, &bytes_read );    } // if    if (err) {        real_stream->set_error( err );        errno = err;        return NULL;    } // if        if (bytes_read > 0)        s[bytes_read]='\0'; // NULL terminate it        return s;} // _fgets()#endif // if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO)// EOF fgets.cxx