/* Write the value c (cast to unsigned char) to the given stream.
Returns c if successful, EOF otherwise.
If a write error occurs, the error indicator of the stream is set.
*/
int fputc( int c, struct _PDCLIB_file_t * stream )
{
if ( _PDCLIB_prepwrite( stream ) == EOF )
{
return EOF;
}
stream->buffer[stream->bufidx++] = (char)c;
if ( ( stream->bufidx == stream->bufsize ) /* _IOFBF */
|| ( ( stream->status & _IOLBF ) && ( (char)c == '\n' ) ) /* _IOLBF */
|| ( stream->status & _IONBF ) /* _IONBF */
)
{
/* buffer filled, unbuffered stream, or end-of-line. */
return ( _PDCLIB_flushbuffer( stream ) == 0 ) ? c : EOF;
}
return c;
}
int _PDCLIB_fsetpos_unlocked( FILE * stream,
const _PDCLIB_fpos_t * pos )
{
if ( stream->status & _PDCLIB_FWRITE )
{
if ( _PDCLIB_flushbuffer( stream ) == EOF )
{
return EOF;
}
}
if ( _PDCLIB_seek( stream, pos->offset, SEEK_SET ) == EOF )
{
return EOF;
}
stream->pos.mbs = pos->mbs;
return 0;
}
int _PDCLIB_fseek_unlocked( FILE * stream, long loffset, int whence )
{
_PDCLIB_int64_t offset = loffset;
if ( stream->status & _PDCLIB_FWRITE )
{
if ( _PDCLIB_flushbuffer( stream ) == EOF )
{
return EOF;
}
}
stream->status &= ~ _PDCLIB_EOFFLAG;
if ( stream->status & _PDCLIB_FRW )
{
stream->status &= ~ ( _PDCLIB_FREAD | _PDCLIB_FWRITE );
}
if ( whence == SEEK_CUR )
{
whence = SEEK_SET;
offset += _PDCLIB_ftell64_unlocked( stream );
}
return ( _PDCLIB_seek( stream, offset, whence ) != EOF ) ? 0 : EOF;
}
