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Add cdio_driver_return_code_to_str() to give a string interpretation

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of a driver return code.
This commit is contained in:
rocky
2006-01-15 01:26:50 +00:00
parent 08143632ef
commit 5ac663c6a2
3 changed files with 71 additions and 25 deletions
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49
lib/driver/device.c
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@@ -1,5 +1,5 @@
/*
$Id: device.c,v 1.30 2006/01/14 10:10:34 rocky Exp $
$Id: device.c,v 1.31 2006/01/15 01:26:50 rocky Exp $
Copyright (C) 2005, 2006 Rocky Bernstein <rocky@panix.com>
@@ -242,6 +242,31 @@ CdIo_driver_t CdIo_all_drivers[CDIO_MAX_DRIVER+1] = {
};
const char *
cdio_driver_return_code_to_str(driver_return_code_t drc)
{
switch(drc) {
case DRIVER_OP_SUCCESS:
return "driver operation was successful";
case DRIVER_OP_ERROR:
return "driver I/O error";
case DRIVER_OP_UNSUPPORTED:
return "driver operatation not supported";
case DRIVER_OP_UNINIT:
return "driver not initialized";
case DRIVER_OP_NOT_PERMITTED:
return "driver operatation not permitted";
case DRIVER_OP_BAD_PARAMETER:
return "bad parameter passed";
case DRIVER_OP_BAD_POINTER:
return "bad pointer to memory area";
case DRIVER_OP_NO_DRIVER:
return "driver not available";
default:
return "unknown or bad driver return status";
}
}
static CdIo *
scan_for_driver(driver_id_t start, driver_id_t end,
const char *psz_source, const char *access_mode)
@@ -313,19 +338,27 @@ cdio_destroy (CdIo_t *p_cdio)
/*!
Close media tray in CD drive if there is a routine to do so.
@param psz_drive the name of CD-ROM to be closed.
@param psz_drive the name of CD-ROM to be closed. If NULL, we will
use the default device.
@param p_driver_id is the driver to be used or that got used if
it was DRIVER_UNKNOWN or DRIVER_DEVICE; If this is NULL, we won't
report back the driver used.
*/
driver_return_code_t
cdio_close_tray (const char *psz_drive, /*in/out*/ driver_id_t
cdio_close_tray (const char *psz_orig_drive, /*in/out*/ driver_id_t
*p_driver_id)
{
driver_id_t temp_driver_id = DRIVER_DEVICE;
char *psz_drive;
driver_return_code_t drc;
if (!p_driver_id) p_driver_id = &temp_driver_id;
if (!psz_orig_drive || !*psz_orig_drive)
psz_drive = cdio_get_default_device_driver(p_driver_id);
else
psz_drive = strdup(psz_orig_drive);
if (DRIVER_UNKNOWN == *p_driver_id || DRIVER_DEVICE == *p_driver_id) {
*p_driver_id = CDIO_MIN_DEVICE_DRIVER;
@@ -333,7 +366,9 @@ cdio_close_tray (const char *psz_drive, /*in/out*/ driver_id_t
for ( ; *p_driver_id<=CDIO_MAX_DRIVER; (*p_driver_id)++) {
if ( (*CdIo_all_drivers[*p_driver_id].have_driver)() &&
*CdIo_all_drivers[*p_driver_id].close_tray ) {
return (*CdIo_all_drivers[*p_driver_id].close_tray)(psz_drive);
drc = (*CdIo_all_drivers[*p_driver_id].close_tray)(psz_drive);
free(psz_drive);
return drc;
}
}
return DRIVER_OP_UNSUPPORTED;
@@ -342,7 +377,9 @@ cdio_close_tray (const char *psz_drive, /*in/out*/ driver_id_t
/* The driver id was specified. Use that. */
if ( (*CdIo_all_drivers[*p_driver_id].have_driver)() &&
*CdIo_all_drivers[*p_driver_id].close_tray ) {
return (*CdIo_all_drivers[*p_driver_id].close_tray)(psz_drive);
drc = (*CdIo_all_drivers[*p_driver_id].close_tray)(psz_drive);
free(psz_drive);
return drc;
}
return DRIVER_OP_UNSUPPORTED;
}
@@ -839,7 +876,7 @@ cdio_open_am (const char *psz_orig_source, driver_id_t driver_id,
if (CdIo_last_driver == -1) cdio_init();
if (NULL == psz_orig_source || strlen(psz_orig_source)==0)
if (!psz_orig_source || !*psz_orig_source)
psz_source = cdio_get_default_device(NULL);
else
psz_source = strdup(psz_orig_source);