feof.c

来自「mips架构的bootloader,99左右的版本 但源代码现在没人更新了」· C语言 代码 · 共 38 行

/*************************************************************
 * File: lib/feof.c
 * Purpose: Part of C runtime library
 * Author: Phil Bunce ([e-mail])
 * Revision History:
 *	970304	Start of revision history
 */

#include <termio.h>

#undef feof

/*************************************************************
*  feof(fp)
*	Test a file to see if it's at EOF
*/
feof(fp)
FILE *fp;
{
int fd;
Ramfile *p;

#if 0 /* old */
fd = fp->fd;
if (fd < FILEOFFSET) return(0);

fd -= FILEOFFSET;
if (_mfile[fd].open != 1) return(0);

p = &_mfile[fd];
if (p->posn >=  p->size) return(1);
return(0);
#else /* new */
return (fp->eof);
#endif
}