strm.c

来自「extremeDB s sample code,useful for you」· C语言 代码 · 共 24 行

/***************************************************************
 *                                                             *
 * Copyright (c) 2001-2006 McObject LLC. All Right Reserved.   *
 *                                                             *
 ***************************************************************/

#include "strm.h"

int file_writer(void *stream_handle /* FILE *  */, const void * from, unsigned nbytes) {
	FILE *f = (FILE*)stream_handle;
	int nbs = fwrite(from,1,nbytes,f);
	return nbs;
}


int file_reader(void *stream_handle /* FILE *  */, /* OUT */ void * to, unsigned max_nbytes) {
	FILE *f = (FILE*)stream_handle;
  int nbs = -1;
  if (to == 0)
    return nbs;
	nbs = fread(to,1,max_nbytes,f);
	return nbs;
}