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Try to regularize driver operation return codes via a new enumeation

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return type. (I may regret this later as we return ioctl's int value
in some cases).

cdio.h: get/set_arg moved to device.
This commit is contained in:
rocky
2005-01-19 09:23:24 +00:00
parent 634ac3f979
commit 7796f6cce7
9 changed files with 140 additions and 140 deletions
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27
include/cdio/cdio.h
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@@ -1,5 +1,5 @@
/* -*- c -*- /* -*- c -*-
$Id: cdio.h,v 1.75 2005/01/09 16:07:46 rocky Exp $ $Id: cdio.h,v 1.76 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org> Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com> Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -57,31 +57,6 @@ extern "C" {
/** This is an opaque structure for the CD-Text object. */ /** This is an opaque structure for the CD-Text object. */
typedef struct cdtext cdtext_t; typedef struct cdtext cdtext_t;
/*!
Get the value associatied with key.
@param p_cdio the CD object queried
@param key the key to retrieve
@return the value associatd with "key" or NULL if p_cdio is NULL
or "key" does not exist.
*/
const char * cdio_get_arg (const CdIo_t *p_cdio, const char key[]);
/*!
Set the arg "key" with "value" in "p_cdio".
@param p_cdio the CD object to set
@param key the key to set
@param value the value to assocaiate with key
@return 0 if no error was found, and nonzero otherwise.
*/
int cdio_set_arg (CdIo_t *p_cdio, const char key[], const char value[]);
/*!
Initialize CD Reading and control routines. Should be called first.
*/
bool cdio_init(void);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif /* __cplusplus */ #endif /* __cplusplus */

68
include/cdio/device.h
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@@ -1,5 +1,5 @@
/* -*- c -*- /* -*- c -*-
$Id: device.h,v 1.4 2005/01/18 00:57:19 rocky Exp $ $Id: device.h,v 1.5 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2005 Rocky Bernstein <rocky@panix.com> Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
@@ -102,14 +102,31 @@ extern "C" {
#define CDIO_MAX_DRIVER DRIVER_NRG #define CDIO_MAX_DRIVER DRIVER_NRG
#define CDIO_MAX_DEVICE_DRIVER DRIVER_WIN32 #define CDIO_MAX_DEVICE_DRIVER DRIVER_WIN32
/** There will generally be only one hardware for a given
build/platform from the list above. You can use the variable
below to determine which you've got. If the build doesn't make an
hardware driver, then the value will be DRIVER_UNKNOWN.
*/
typedef enum {
DRIVER_OP_UNSUPPORTED = -2, /**< returned when a particular driver
doesn't support a particular operation.
For example an image driver which doesn't
really "eject" a CD.
*/
DRIVER_OP_ERROR = -1, /**< operation returned an error */
DRIVER_OP_SUCCESS = 0, /**< in cases where an int is returned,
like cdio_set_speed, more the negative
return codes are for errors and the
positive ones for success. */
} driver_return_code_t;
/*! /*!
Eject media in CD drive if there is a routine to do so. Eject media in CD drive if there is a routine to do so.
@param p_cdio the CD object to be acted upon. @param p_cdio the CD object to be acted upon.
@return 0 if success and 1 for failure, and -2 if no routine.
If the CD is ejected *p_cdio is freed and p_cdio set to NULL. If the CD is ejected *p_cdio is freed and p_cdio set to NULL.
*/ */
int cdio_eject_media (CdIo_t **p_cdio); driver_return_code_t cdio_eject_media (CdIo_t **p_cdio);
/*! /*!
Free device list returned by cdio_get_devices or Free device list returned by cdio_get_devices or
@@ -250,8 +267,9 @@ extern "C" {
/*! /*!
Get the drive speed. Get the drive speed.
@return the drive speed if greater than 0. -1 if we had an error. is -2 @return the drive speed if greater than 0. DRIVER_OP_ERROR if we
returned if this is not implemented for the current driver. had an error, DRIVER_OP_UNSUPPORTED if this is not implemented for
the current driver.
@see cdio_set_speed @see cdio_set_speed
*/ */
@@ -467,7 +485,7 @@ extern "C" {
@see cdio_open @see cdio_open
*/ */
CdIo_t * cdio_open_am_bsdi (const char *psz_source, CdIo_t * cdio_open_am_bsdi (const char *psz_source,
const char *psz_access_mode); const char *psz_access_mode);
/*! Return a string containing the default device name that the /*! Return a string containing the default device name that the
BSDI driver would use when none is specified. BSDI driver would use when none is specified.
@@ -538,7 +556,7 @@ extern "C" {
NULL on error or there is no GNU/Linux driver. NULL on error or there is no GNU/Linux driver.
*/ */
CdIo_t * cdio_open_am_linux (const char *psz_source, CdIo_t * cdio_open_am_linux (const char *psz_source,
const char *access_mode); const char *access_mode);
/*! Return a string containing the default device name that the /*! Return a string containing the default device name that the
GNU/Linux driver would use when none is specified. A scan is made GNU/Linux driver would use when none is specified. A scan is made
@@ -739,22 +757,42 @@ extern "C" {
/*! /*!
Set the blocksize for subsequent reads. Set the blocksize for subsequent reads.
@return 0 if everything went okay, -1 if we had an error. is -2
returned if this is not implemented for the current driver.
*/ */
int cdio_set_blocksize ( const CdIo_t *p_cdio, int i_blocksize ); driver_return_code_t cdio_set_blocksize ( const CdIo_t *p_cdio,
int i_blocksize );
/*! /*!
Set the drive speed. Set the drive speed.
@return 0 if everything went okay, -1 if we had an error. is -2
returned if this is not implemented for the current driver.
@see cdio_get_speed @see cdio_get_speed
*/ */
int cdio_set_speed ( const CdIo_t *p_cdio, int i_speed ); driver_return_code_t cdio_set_speed ( const CdIo_t *p_cdio, int i_speed );
/*!
Get the value associatied with key.
@param p_cdio the CD object queried
@param key the key to retrieve
@return the value associatd with "key" or NULL if p_cdio is NULL
or "key" does not exist.
*/
const char * cdio_get_arg (const CdIo_t *p_cdio, const char key[]);
/*!
Set the arg "key" with "value" in "p_cdio".
@param p_cdio the CD object to set
@param key the key to set
@param value the value to assocaiate with key
*/
driver_return_code_t cdio_set_arg (CdIo_t *p_cdio, const char key[],
const char value[]);
/*!
Initialize CD Reading and control routines. Should be called first.
*/
bool cdio_init(void);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif /* __cplusplus */ #endif /* __cplusplus */

14
lib/driver/_cdio_generic.c
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@@ -1,5 +1,5 @@
/* /*
$Id: _cdio_generic.c,v 1.6 2005/01/18 00:57:20 rocky Exp $ $Id: _cdio_generic.c,v 1.7 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2004 Rocky Bernstein <rocky@panix.com> Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
@@ -25,7 +25,7 @@
# include "config.h" # include "config.h"
#endif #endif
static const char _rcsid[] = "$Id: _cdio_generic.c,v 1.6 2005/01/18 00:57:20 rocky Exp $"; static const char _rcsid[] = "$Id: _cdio_generic.c,v 1.7 2005/01/19 09:23:24 rocky Exp $";
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@@ -56,29 +56,25 @@ static const char _rcsid[] = "$Id: _cdio_generic.c,v 1.6 2005/01/18 00:57:20 roc
int int
cdio_generic_unimplemented_eject_media (void *p_user_data) { cdio_generic_unimplemented_eject_media (void *p_user_data) {
/* Sort of a stub here. Perhaps log a message? */ /* Sort of a stub here. Perhaps log a message? */
return -2; return DRIVER_OP_UNSUPPORTED;
} }
/*! /*!
Set the blocksize for subsequent reads. Set the blocksize for subsequent reads.
@return -2 since it's not implemented.
*/ */
int int
cdio_generic_unimplemented_set_blocksize (void *p_user_data, int i_blocksize) { cdio_generic_unimplemented_set_blocksize (void *p_user_data, int i_blocksize) {
/* Sort of a stub here. Perhaps log a message? */ /* Sort of a stub here. Perhaps log a message? */
return -2; return DRIVER_OP_UNSUPPORTED;
} }
/*! /*!
Set the drive speed. Set the drive speed.
@return -2 since it's not implemented.
*/ */
int int
cdio_generic_unimplemented_set_speed (void *p_user_data, int i_speed) { cdio_generic_unimplemented_set_speed (void *p_user_data, int i_speed) {
/* Sort of a stub here. Perhaps log a message? */ /* Sort of a stub here. Perhaps log a message? */
return -2; return DRIVER_OP_UNSUPPORTED;
} }

36
lib/driver/_cdio_linux.c
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@@ -1,8 +1,8 @@
/* /*
$Id: _cdio_linux.c,v 1.9 2005/01/18 01:48:42 rocky Exp $ $Id: _cdio_linux.c,v 1.10 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org> Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002, 2003, 2004 Rocky Bernstein <rocky@panix.com> Copyright (C) 2002, 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by
@@ -27,7 +27,7 @@
# include "config.h" # include "config.h"
#endif #endif
static const char _rcsid[] = "$Id: _cdio_linux.c,v 1.9 2005/01/18 01:48:42 rocky Exp $"; static const char _rcsid[] = "$Id: _cdio_linux.c,v 1.10 2005/01/19 09:23:24 rocky Exp $";
#include <string.h> #include <string.h>
@@ -403,11 +403,11 @@ get_track_msf_linux(void *p_user_data, track_t i_track, msf_t *msf)
Eject media in CD drive. Eject media in CD drive.
Return 0 if success and 1 for failure, and 2 if no routine. Return 0 if success and 1 for failure, and 2 if no routine.
*/ */
static int static driver_return_code_t
eject_media_linux (void *p_user_data) { eject_media_linux (void *p_user_data) {
_img_private_t *p_env = p_user_data; _img_private_t *p_env = p_user_data;
int ret=2; int ret=DRIVER_OP_SUCCESS;
int status; int status;
int fd; int fd;
@@ -417,7 +417,7 @@ eject_media_linux (void *p_user_data) {
case CDS_TRAY_OPEN: case CDS_TRAY_OPEN:
if((ret = ioctl(fd, CDROMCLOSETRAY)) != 0) { if((ret = ioctl(fd, CDROMCLOSETRAY)) != 0) {
cdio_warn ("ioctl CDROMCLOSETRAY failed: %s\n", strerror(errno)); cdio_warn ("ioctl CDROMCLOSETRAY failed: %s\n", strerror(errno));
ret = 1; ret = DRIVER_OP_ERROR;
} }
break; break;
case CDS_DISC_OK: case CDS_DISC_OK:
@@ -428,7 +428,7 @@ eject_media_linux (void *p_user_data) {
if (0 != ret) { if (0 != ret) {
cdio_warn("ioctl CDROMEJECT failed: %s\n", cdio_warn("ioctl CDROMEJECT failed: %s\n",
strerror(eject_error)); strerror(eject_error));
ret = 1; ret = DRIVER_OP_ERROR;
} }
} }
/* force kernel to reread partition table when new disc inserted */ /* force kernel to reread partition table when new disc inserted */
@@ -436,15 +436,15 @@ eject_media_linux (void *p_user_data) {
break; break;
default: default:
cdio_warn ("Unknown CD-ROM (%d)\n", status); cdio_warn ("Unknown CD-ROM (%d)\n", status);
ret = 1; ret = DRIVER_OP_ERROR;
} }
} else { } else {
cdio_warn ("CDROM_DRIVE_STATUS failed: %s\n", strerror(errno)); cdio_warn ("CDROM_DRIVE_STATUS failed: %s\n", strerror(errno));
ret=1; ret=DRIVER_OP_ERROR;
} }
close(fd); close(fd);
} else } else
ret = 2; ret = DRIVER_OP_ERROR;
close(p_env->gen.fd); close(p_env->gen.fd);
p_env->gen.fd = -1; p_env->gen.fd = -1;
return ret; return ret;
@@ -953,15 +953,14 @@ stat_size_linux (void *p_user_data)
0 is returned if no error was found, and nonzero if there as an error. 0 is returned if no error was found, and nonzero if there as an error.
*/ */
static int static driver_return_code_t
set_arg_linux (void *p_user_data, const char key[], const char value[]) set_arg_linux (void *p_user_data, const char key[], const char value[])
{ {
_img_private_t *p_env = p_user_data; _img_private_t *p_env = p_user_data;
if (!strcmp (key, "source")) if (!strcmp (key, "source"))
{ {
if (!value) if (!value) return DRIVER_OP_ERROR;
return -2;
free (p_env->gen.source_name); free (p_env->gen.source_name);
@@ -971,10 +970,9 @@ set_arg_linux (void *p_user_data, const char key[], const char value[])
{ {
return str_to_access_mode_linux(value); return str_to_access_mode_linux(value);
} }
else else return DRIVER_OP_ERROR;
return -1;
return 0; return DRIVER_OP_SUCCESS;
} }
/* checklist: /dev/cdrom, /dev/dvd /dev/hd?, /dev/scd? /dev/sr? */ /* checklist: /dev/cdrom, /dev/dvd /dev/hd?, /dev/scd? /dev/sr? */
@@ -986,7 +984,7 @@ static char checklist2[][40] = {
}; };
/* Set read blocksize */ /* Set read blocksize */
static int static driver_return_code_t
set_blocksize_linux (void *p_user_data, int i_blocksize) set_blocksize_linux (void *p_user_data, int i_blocksize)
{ {
const _img_private_t *p_env = p_user_data; const _img_private_t *p_env = p_user_data;
@@ -994,12 +992,12 @@ set_blocksize_linux (void *p_user_data, int i_blocksize)
} }
/* Set CD-ROM drive speed */ /* Set CD-ROM drive speed */
static int static driver_return_code_t
set_speed_linux (void *p_user_data, int i_speed) set_speed_linux (void *p_user_data, int i_speed)
{ {
const _img_private_t *p_env = p_user_data; const _img_private_t *p_env = p_user_data;
if (!p_env) return -1; if (!p_env) return DRIVER_OP_ERROR;
return ioctl(p_env->gen.fd, CDROM_SELECT_SPEED, i_speed); return ioctl(p_env->gen.fd, CDROM_SELECT_SPEED, i_speed);
} }

16
lib/driver/cdio.c
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@@ -1,5 +1,5 @@
/* /*
$Id: cdio.c,v 1.9 2005/01/17 17:20:09 rocky Exp $ $Id: cdio.c,v 1.10 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com> Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org> Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
@@ -35,7 +35,7 @@
#include <cdio/util.h> #include <cdio/util.h>
#include "cdio_private.h" #include "cdio_private.h"
static const char _rcsid[] = "$Id: cdio.c,v 1.9 2005/01/17 17:20:09 rocky Exp $"; static const char _rcsid[] = "$Id: cdio.c,v 1.10 2005/01/19 09:23:24 rocky Exp $";
/*! /*!
@@ -92,14 +92,14 @@ cdio_new (generic_img_private_t *p_env, cdio_funcs_t *p_funcs)
/*! /*!
Set the arg "key" with "value" in the source device. Set the arg "key" with "value" in the source device.
*/ */
int driver_return_code_t
cdio_set_arg (CdIo_t *cdio, const char key[], const char value[]) cdio_set_arg (CdIo_t *p_cdio, const char key[], const char value[])
{ {
cdio_assert (cdio != NULL); if (!p_cdio) return DRIVER_OP_ERROR;
cdio_assert (cdio->op.set_arg != NULL); if (!p_cdio->op.set_arg) return DRIVER_OP_UNSUPPORTED;
cdio_assert (key != NULL); if (!key) return DRIVER_OP_ERROR;
return cdio->op.set_arg (cdio->env, key, value); return p_cdio->op.set_arg (p_cdio->env, key, value);
} }

36
lib/driver/device.c
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@@ -1,5 +1,5 @@
/* /*
$Id: device.c,v 1.5 2005/01/18 12:34:21 rocky Exp $ $Id: device.c,v 1.6 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2005 Rocky Bernstein <rocky@panix.com> Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
@@ -279,12 +279,13 @@ cdio_destroy (CdIo_t *p_cdio)
free (p_cdio); free (p_cdio);
} }
/*! /*!
Eject media in CD drive if there is a routine to do so. Eject media in CD drive if there is a routine to do so.
Return 0 if success and 1 for failure, and 2 if no routine.
If the CD is ejected *p_cdio is freed and p_cdio set to NULL. @param p_cdio the CD object to be acted upon.
*/ If the CD is ejected *p_cdio is freed and p_cdio set to NULL.
int */
driver_return_code_t
cdio_eject_media (CdIo_t **pp_cdio) cdio_eject_media (CdIo_t **pp_cdio)
{ {
@@ -300,7 +301,7 @@ cdio_eject_media (CdIo_t **pp_cdio)
} else { } else {
cdio_destroy(*pp_cdio); cdio_destroy(*pp_cdio);
*pp_cdio = NULL; *pp_cdio = NULL;
return 2; return DRIVER_OP_UNSUPPORTED;
} }
} }
@@ -693,30 +694,25 @@ cdio_open_am_cd (const char *psz_source, const char *psz_access_mode)
/*! /*!
Set the blocksize for subsequent reads. Set the blocksize for subsequent reads.
@return 0 if everything went okay, -1 if we had an error. is -2
returned if this is not implemented for the current driver.
*/ */
int cdio_set_blocksize ( const CdIo_t *p_cdio, int i_blocksize ) driver_return_code_t
cdio_set_blocksize ( const CdIo_t *p_cdio, int i_blocksize )
{ {
if (!p_cdio) return -1; if (!p_cdio) return DRIVER_OP_ERROR;
if (p_cdio->op.set_blocksize) return -2; if (p_cdio->op.set_blocksize) return DRIVER_OP_UNSUPPORTED;
return p_cdio->op.set_blocksize(p_cdio->env, i_blocksize); return p_cdio->op.set_blocksize(p_cdio->env, i_blocksize);
} }
/*! /*!
Set the drive speed. Set the drive speed.
@return 0 if everything went okay, -1 if we had an error. is -2
returned if this is not implemented for the current driver.
@see cdio_get_speed @see cdio_get_speed
*/ */
int driver_return_code_t
cdio_set_speed (const CdIo_t *p_cdio, int i_speed) cdio_set_speed (const CdIo_t *p_cdio, int i_speed)
{ {
if (!p_cdio) return -1; if (!p_cdio) return DRIVER_OP_ERROR;
if (!p_cdio->op.set_speed) return -2; if (!p_cdio->op.set_speed) return DRIVER_OP_UNSUPPORTED;
return p_cdio->op.set_speed(p_cdio->env, i_speed); return p_cdio->op.set_speed(p_cdio->env, i_speed);
} }

20
lib/driver/generic.h
View File

@@ -1,5 +1,5 @@
/* /*
$Id: generic.h,v 1.6 2005/01/18 00:57:20 rocky Exp $ $Id: generic.h,v 1.7 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com> Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -74,46 +74,48 @@ extern "C" {
Bogus eject media when there is no ejectable media, e.g. a disk image Bogus eject media when there is no ejectable media, e.g. a disk image
We always return 2. Should we also free resources? We always return 2. Should we also free resources?
*/ */
int cdio_generic_unimplemented_eject_media (void *p_env); driver_return_code_t cdio_generic_unimplemented_eject_media (void *p_env);
/*! /*!
Set the blocksize for subsequent reads. Set the blocksize for subsequent reads.
@return -2 since it's not implemented. @return -2 since it's not implemented.
*/ */
int cdio_generic_unimplemented_set_blocksize (void *p_user_data, driver_return_code_t
int i_blocksize); cdio_generic_unimplemented_set_blocksize (void *p_user_data,
int i_blocksize);
/*! /*!
Set the drive speed. Set the drive speed.
@return -2 since it's not implemented. @return -2 since it's not implemented.
*/ */
int cdio_generic_unimplemented_set_speed (void *p_user_data, int i_speed); driver_return_code_t cdio_generic_unimplemented_set_speed (void *p_user_data,
int i_speed);
/*! /*!
Release and free resources associated with cd. Release and free resources associated with cd.
*/ */
void cdio_generic_free (void *env); void cdio_generic_free (void *p_env);
/*! /*!
Initialize CD device. Initialize CD device.
*/ */
bool cdio_generic_init (void *env); bool cdio_generic_init (void *p_env);
/*! /*!
Reads into buf the next size bytes. Reads into buf the next size bytes.
Returns -1 on error. Returns -1 on error.
Is in fact libc's read(). Is in fact libc's read().
*/ */
off_t cdio_generic_lseek (void *env, off_t offset, int whence); off_t cdio_generic_lseek (void *p_env, off_t offset, int whence);
/*! /*!
Reads into buf the next size bytes. Reads into buf the next size bytes.
Returns -1 on error. Returns -1 on error.
Is in fact libc's read(). Is in fact libc's read().
*/ */
ssize_t cdio_generic_read (void *env, void *buf, size_t size); ssize_t cdio_generic_read (void *p_env, void *p_buf, size_t size);
/*! /*!
Reads a single form1 sector from cd device into data starting Reads a single form1 sector from cd device into data starting

24
lib/driver/image_common.c
View File

@@ -1,7 +1,7 @@
/* /*
$Id: image_common.c,v 1.4 2005/01/18 00:57:20 rocky Exp $ $Id: image_common.c,v 1.5 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2004 Rocky Bernstein <rocky@panix.com> Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by
@@ -42,11 +42,11 @@
Eject media -- there's nothing to do here except free resources. Eject media -- there's nothing to do here except free resources.
We always return -2. We always return -2.
*/ */
int driver_return_code_t
_eject_media_image(void *p_user_data) _eject_media_image(void *p_user_data)
{ {
_free_image (p_user_data); _free_image (p_user_data);
return -2; return DRIVER_OP_UNSUPPORTED;
} }
/*! /*!
@@ -234,9 +234,8 @@ get_track_preemphasis_image(const void *p_user_data, track_t i_track)
Currently "source" to set the source device in I/O operations Currently "source" to set the source device in I/O operations
is the only valid key. is the only valid key.
0 is returned if no error was found, and nonzero if there as an error.
*/ */
int driver_return_code_t
_set_arg_image (void *p_user_data, const char key[], const char value[]) _set_arg_image (void *p_user_data, const char key[], const char value[])
{ {
_img_private_t *p_env = p_user_data; _img_private_t *p_env = p_user_data;
@@ -245,8 +244,7 @@ _set_arg_image (void *p_user_data, const char key[], const char value[])
{ {
free_if_notnull (p_env->gen.source_name); free_if_notnull (p_env->gen.source_name);
if (!value) if (!value) return DRIVER_OP_ERROR;
return -2;
p_env->gen.source_name = strdup (value); p_env->gen.source_name = strdup (value);
} }
@@ -254,8 +252,7 @@ _set_arg_image (void *p_user_data, const char key[], const char value[])
{ {
free_if_notnull (p_env->psz_cue_name); free_if_notnull (p_env->psz_cue_name);
if (!value) if (!value) return DRIVER_OP_ERROR;
return -2;
p_env->psz_cue_name = strdup (value); p_env->psz_cue_name = strdup (value);
} }
@@ -263,14 +260,13 @@ _set_arg_image (void *p_user_data, const char key[], const char value[])
{ {
free_if_notnull (p_env->psz_access_mode); free_if_notnull (p_env->psz_access_mode);
if (!value) if (!value) return DRIVER_OP_ERROR;
return -2;
p_env->psz_access_mode = strdup (value); p_env->psz_access_mode = strdup (value);
} }
else else
return -1; return DRIVER_OP_ERROR;
return 0; return DRIVER_OP_SUCCESS;
} }

39
lib/driver/scsi_mmc.c
View File

@@ -1,8 +1,8 @@
/* Common SCSI Multimedia Command (MMC) routines. /* Common SCSI Multimedia Command (MMC) routines.
$Id: scsi_mmc.c,v 1.5 2005/01/18 05:41:58 rocky Exp $ $Id: scsi_mmc.c,v 1.6 2005/01/19 09:23:24 rocky Exp $
Copyright (C) 2004 Rocky Bernstein <rocky@panix.com> Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by
@@ -170,7 +170,7 @@ scsi_mmc_get_cmd_len(uint8_t scsi_cmd)
cdb CDB bytes. All values that are needed should be set on cdb CDB bytes. All values that are needed should be set on
input. We'll figure out what the right CDB length should be. input. We'll figure out what the right CDB length should be.
We return 0 if command completed successfully and 1 if not. We return 0 if command completed successfully and DRIVER_OP_ERROR if not.
*/ */
int int
scsi_mmc_run_cmd( const CdIo_t *p_cdio, unsigned int i_timeout_ms, scsi_mmc_run_cmd( const CdIo_t *p_cdio, unsigned int i_timeout_ms,
@@ -178,12 +178,11 @@ scsi_mmc_run_cmd( const CdIo_t *p_cdio, unsigned int i_timeout_ms,
scsi_mmc_direction_t e_direction, unsigned int i_buf, scsi_mmc_direction_t e_direction, unsigned int i_buf,
/*in/out*/ void *p_buf ) /*in/out*/ void *p_buf )
{ {
if (p_cdio && p_cdio->op.run_scsi_mmc_cmd) { if (!p_cdio) return DRIVER_OP_ERROR;
return p_cdio->op.run_scsi_mmc_cmd(p_cdio->env, i_timeout_ms, if (!p_cdio->op.run_scsi_mmc_cmd) return DRIVER_OP_UNSUPPORTED;
scsi_mmc_get_cmd_len(p_cdb->field[0]), return p_cdio->op.run_scsi_mmc_cmd(p_cdio->env, i_timeout_ms,
p_cdb, e_direction, i_buf, p_buf); scsi_mmc_get_cmd_len(p_cdb->field[0]),
} else p_cdb, e_direction, i_buf, p_buf);
return 1;
} }
#define DEFAULT_TIMEOUT_MS 6000 #define DEFAULT_TIMEOUT_MS 6000
@@ -213,8 +212,8 @@ scsi_mmc_get_blocksize_private ( const void *p_env,
uint8_t *p = &mh.block_length_med; uint8_t *p = &mh.block_length_med;
if ( ! p_env || ! run_scsi_mmc_cmd ) if ( ! p_env ) return DRIVER_OP_ERROR;
return -2; if ( ! run_scsi_mmc_cmd ) return DRIVER_OP_UNSUPPORTED;
memset (&mh, 0, sizeof (mh)); memset (&mh, 0, sizeof (mh));
@@ -234,7 +233,7 @@ scsi_mmc_get_blocksize_private ( const void *p_env,
int int
scsi_mmc_get_blocksize ( const CdIo_t *p_cdio) scsi_mmc_get_blocksize ( const CdIo_t *p_cdio)
{ {
if ( ! p_cdio ) return -2; if ( ! p_cdio ) return DRIVER_OP_ERROR;
return return
scsi_mmc_get_blocksize_private (p_cdio->env, p_cdio->op.run_scsi_mmc_cmd); scsi_mmc_get_blocksize_private (p_cdio->env, p_cdio->op.run_scsi_mmc_cmd);
@@ -244,7 +243,7 @@ scsi_mmc_get_blocksize ( const CdIo_t *p_cdio)
/*! /*!
* Eject using SCSI MMC commands. Return 0 if successful. * Eject using SCSI MMC commands. Return 0 if successful.
*/ */
int driver_return_code_t
scsi_mmc_eject_media( const CdIo_t *p_cdio ) scsi_mmc_eject_media( const CdIo_t *p_cdio )
{ {
int i_status = 0; int i_status = 0;
@@ -252,8 +251,8 @@ scsi_mmc_eject_media( const CdIo_t *p_cdio )
uint8_t buf[1]; uint8_t buf[1];
scsi_mmc_run_cmd_fn_t run_scsi_mmc_cmd; scsi_mmc_run_cmd_fn_t run_scsi_mmc_cmd;
if ( ! p_cdio || ! p_cdio->op.run_scsi_mmc_cmd ) if ( ! p_cdio ) return DRIVER_OP_ERROR;
return -2; if ( ! p_cdio->op.run_scsi_mmc_cmd ) return DRIVER_OP_UNSUPPORTED;
run_scsi_mmc_cmd = p_cdio->op.run_scsi_mmc_cmd; run_scsi_mmc_cmd = p_cdio->op.run_scsi_mmc_cmd;
@@ -311,7 +310,7 @@ scsi_mmc_read_sectors ( const CdIo_t *p_cdio, void *p_buf, lba_t lba,
p_buf); p_buf);
} }
int driver_return_code_t
scsi_mmc_set_blocksize_private ( const void *p_env, scsi_mmc_set_blocksize_private ( const void *p_env,
const scsi_mmc_run_cmd_fn_t run_scsi_mmc_cmd, const scsi_mmc_run_cmd_fn_t run_scsi_mmc_cmd,
unsigned int i_bsize) unsigned int i_bsize)
@@ -334,8 +333,8 @@ scsi_mmc_set_blocksize_private ( const void *p_env,
uint8_t block_length_lo; uint8_t block_length_lo;
} mh; } mh;
if ( ! p_env || ! run_scsi_mmc_cmd ) if ( ! p_env ) return DRIVER_OP_ERROR;
return -2; if ( ! run_scsi_mmc_cmd ) return DRIVER_OP_UNSUPPORTED;
memset (&mh, 0, sizeof (mh)); memset (&mh, 0, sizeof (mh));
mh.block_desc_length = 0x08; mh.block_desc_length = 0x08;
@@ -353,10 +352,10 @@ scsi_mmc_set_blocksize_private ( const void *p_env,
SCSI_MMC_DATA_WRITE, sizeof(mh), &mh); SCSI_MMC_DATA_WRITE, sizeof(mh), &mh);
} }
int driver_return_code_t
scsi_mmc_set_blocksize ( const CdIo_t *p_cdio, unsigned int i_blocksize) scsi_mmc_set_blocksize ( const CdIo_t *p_cdio, unsigned int i_blocksize)
{ {
if ( ! p_cdio ) return -2; if ( ! p_cdio ) return DRIVER_OP_ERROR;
return return
scsi_mmc_set_blocksize_private (p_cdio->env, p_cdio->op.run_scsi_mmc_cmd, scsi_mmc_set_blocksize_private (p_cdio->env, p_cdio->op.run_scsi_mmc_cmd,
i_blocksize); i_blocksize);