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/*
** freopen.c
**
** Ullrich von Bassewitz, 17.06.1998
*/
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include "_file.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
FILE* __fastcall__ freopen (const char* name, const char* mode, FILE* f)
{
/* Check if the file is open, if so, close it */
if ((f->f_flags & _FOPEN) == 0) {
/* File is not open */
return (FILE*) _seterrno (EINVAL); /* File not input */
}
/* Close the file. Don't bother setting the flag, it will get
** overwritten by _fopen.
*/
if (close (f->f_fd) < 0) {
/* An error occured, errno is already set */
return 0;
}
/* Open the file and return the descriptor */
return _fopen (name, mode, f);
}
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