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First attempt at smart iso9660 reading in CD images.

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_cdio_stream.*: return is now cdio_driver_return_t
This commit is contained in:
rocky
2005-02-05 04:25:14 +00:00
parent a35a0a61d3
commit d958f062ea
10 changed files with 334 additions and 112 deletions
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25
lib/driver/_cdio_stdio.c
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@@ -1,5 +1,5 @@
/*
$Id: _cdio_stdio.c,v 1.3 2005/02/03 07:35:15 rocky Exp $
$Id: _cdio_stdio.c,v 1.4 2005/02/05 04:25:14 rocky Exp $
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -39,7 +39,7 @@
#include "_cdio_stream.h"
#include "_cdio_stdio.h"
static const char _rcsid[] = "$Id: _cdio_stdio.c,v 1.3 2005/02/03 07:35:15 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_stdio.c,v 1.4 2005/02/05 04:25:14 rocky Exp $";
#define CDIO_STDIO_BUFSIZE (128*1024)
@@ -106,27 +106,26 @@ _stdio_free(void *user_data)
of-file indicator for the stream and undoes any effects of the
ungetc(3) function on the same stream.
RETURN VALUE
Upon successful completion, return 0,
Otherwise, -1 is returned and the global variable errno is set to indi-
cate the error.
@return upon successful completion, DRIVER_OP_SUCCESS, else,
DRIVER_OP_ERROR is returned and the global variable errno is set to
indicate the error.
*/
static long
_stdio_seek(void *user_data, long offset, int whence)
static driver_return_code_t
_stdio_seek(void *p_user_data, long i_offset, int whence)
{
_UserData *const ud = user_data;
_UserData *const ud = p_user_data;
if ( (offset=fseek (ud->fd, offset, whence)) ) {
if ( (i_offset=fseek (ud->fd, i_offset, whence)) ) {
cdio_error ("fseek (): %s", strerror (errno));
}
return offset;
return i_offset;
}
static long int
_stdio_stat(void *user_data)
_stdio_stat(void *p_user_data)
{
const _UserData *const ud = user_data;
const _UserData *const ud = p_user_data;
return ud->st_size;
}