int _putc (int c, FILE * fp)
{
if ((fp != NULL) && ((fp->_flag & (_IOWRITE | _IOERR | _IOEOF)) == _IOWRITE))
{
if ((fp->_cnt > 0) || (_fflush (fp) == 0))
{
*fp->_ptr++ = (char)(c);
fp->_cnt--;
if (((fp->_flag & (_IOTEXT)) != 0) && (c == '\n'))
{
return ((_fflush (fp) == EOF)? (EOF): (c));
}
else
{
return (c);
}
}
else
{
return (EOF);
}
}
else
{
return (EOF);
}
}
int fflush(FILE *f) {
int i, rc = 0;
if (f != NULL) return _fflush(f);
for (i = 0; i < FOPEN_MAX; i++)
if (!_fflush(_files[i])) rc = -1;
return rc;
}
/*
* Set one of the three kinds of buffering, optionally including
* a buffer.
*/
int
setvbuf( FILE *stream, char *buf, int mode, size_t size )
{
/*
* Verify arguments. The `int' limit on `size' is due to this
* particular implementation.
*/
if ((mode != _IOFBF && mode != _IOLBF && mode != _IONBF) ||
(int)size < 0)
return EOF;
/*
* Write current buffer, if any; drop read count, if any.
* Make sure putc() will not think stream is line buffered.
* Free old buffer if it was from malloc(). Clear line and
* non buffer flags, and clear malloc flag.
*/
EXCL_START(&stream->_file_lock);
(void) _fflush(stream);
stream->_r = 0;
stream->_lbfsize = 0;
if (stream->_flags & __SMBF)
free((void *)stream->_bf._base);
stream->_flags &= ~(__SLBF|__SNBF|__SMBF);
/*
* Now put back whichever flag is needed, and fix _lbfsize
* if line buffered. Ensure output flush on exit if the
* stream will be buffered at all.
*/
switch (mode) {
case _IONBF:
stream->_flags |= __SNBF;
stream->_bf._base = stream->_p = stream->_nbuf;
stream->_bf._size = 1;
break;
case _IOLBF:
stream->_flags |= __SLBF;
stream->_lbfsize = -size;
/* FALLTHROUGH */
case _IOFBF:
/* no flag */
__cleanup = _cleanup;
stream->_bf._base = stream->_p = (unsigned char *)buf;
stream->_bf._size = size;
break;
}
/*
* Patch up write count if necessary.
*/
if (stream->_flags & __SWR)
stream->_w = stream->_flags & (__SLBF|__SNBF) ? 0 : size;
EXCL_END(&stream->_file_lock);
return 0;
}
int
printf(const char *fmt, ...)
{
int outsize;
va_list ap;
/* return failure if format is NULL pointer */
if (!fmt)
return -1;
_LOCK_FILE(stdout);
va_start(ap,fmt);
outsize=_doprnt (fmt, ap, _theputchar, stdout);
va_end(ap);
#if defined(__ADSP21000__)
// Always flush output on SHARC, where streams aren't flushed at exit.
_fflush(stdout);
#endif
_UNLOCK_FILE(stdout);
return outsize;
}
int Fflush(FD_t fd)
{
int rc = -1;
if (fd != NULL) {
fdio_fflush_function_t _fflush = FDIOVEC(fd, _fflush);
rc = (_fflush ? _fflush(fd) : -2);
}
return rc;
}
int _flsbuf (int c, FILE *fp)
{
if (_fflush (fp) == 0)
{
*fp->_ptr++ = (unsigned char)(c);
fp->_cnt--;
return (c);
}
else
{
return (EOF);
}
}
term_destination (j_compress_ptr cinfo)
{
my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer;
/* Write any data remaining in the buffer */
if (datacount > 0) {
if (JFWRITE(dest->outfile, dest->buffer, datacount) != datacount)
ERREXIT(cinfo, JERR_FILE_WRITE);
}
_fflush(dest->outfile);
/* Make sure we wrote the output file OK */
if (_ferror(dest->outfile))
ERREXIT(cinfo, JERR_FILE_WRITE);
}
FILE *freopen( const char *filename, const char *mode, FILE *stream )
{
register int f;
int wantfd, isopen, flags, oflags, e;
if (filename == NULL || filename[0] == '\0')
return NULL;
EXCL_START(&stream->_file_lock);
if ((flags = __sflags(mode, &oflags)) == 0) {
EXCL_END(&stream->_file_lock);
(void) fclose(stream);
return NULL;
}
if (!__sdidinit)
__sinit();
/*
* Remember whether the stream was open to begin with, and
* which file descriptor (if any) was associated with it.
* If it was attached to a descriptor, defer closing it,
* so that, e.g., freopen("/dev/stdin", "r", stdin) works.
* This is unnecessary if it was not a Unix file.
*/
if (stream->_flags == 0) {
stream->_flags = __SEOF; /* hold on to it */
isopen = 0;
wantfd = -1;
} else {
if (stream->_flags & __SWR)
(void) _fflush(stream);
/* if close is NULL, closing is a no-op, hence pointless */
isopen = stream->_close != NULL;
if ((wantfd = stream->_file) < 0 && isopen) {
(void) (*stream->_close)(stream->_cookie);
isopen = 0;
}
}
/*
* Now get a new descriptor to refer to the new file.
*/
f = _open(filename, oflags, 0666);
if (f < 0 && isopen) {
/*
* May have used up all descriptors, so close the old
* and try again.
*/
(void) (*stream->_close)(stream->_cookie);
isopen = 0;
f = _open(filename, oflags, 0666);
}
e = errno;
/*
* Finish closing stream. Even if the open succeeded above,
* we cannot keep stream->_base: it may be the wrong size.
* This loses the effect of any setbuffer calls,
* but stdio has always done this before.
*/
if (isopen)
(void) (*stream->_close)(stream->_cookie);
if (stream->_flags & __SMBF)
free((char *)stream->_bf._base);
stream->_w = 0;
stream->_r = 0;
stream->_p = NULL;
stream->_bf._base = NULL;
stream->_bf._size = 0;
stream->_lbfsize = 0;
if (HASUB(stream))
FREEUB(stream);
stream->_ub._size = 0;
if (HASLB(stream))
FREELB(stream);
stream->_lb._size = 0;
if (f < 0) { /* did not get it after all */
stream->_flags = 0; /* set it free */
errno = e; /* restore in case _close clobbered */
EXCL_END(&stream->_file_lock);
return NULL;
}
#ifdef NOTDEF
/*
* If reopening something that was open before on a real file,
* try to maintain the descriptor. Various routines (e.g.,
* perror) assume that after `freopen(name, mode, stderr)',
* fileno(stderr)==2.
*/
if (wantfd >= 0 && f != wantfd) {
if (_dup2(f, wantfd) >= 0) {
(void) _close(f);
f = wantfd;
}
}
#endif /* NOTDEF */
stream->_flags = flags;
stream->_file = f;
stream->_cookie = stream;
stream->_read = __sread;
stream->_write = __swrite;
stream->_seek = __sseek;
stream->_close = __sclose;
EXCL_END(&stream->_file_lock);
return stream;
}
void dofflush() {
if (_fflush()) {
fflush(out);
}
}