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cdrom: add windows implementation for list of available drives

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This commit is contained in:
Brad Parker 2019-07-03 17:18:28 -04:00
parent 65bff18cb0
commit 112a88688d
1 changed files with 78 additions and 23 deletions
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101
libretro-common/cdrom/cdrom.c
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@ -47,6 +47,7 @@
#endif #endif
#if defined(_WIN32) && !defined(_XBOX) #if defined(_WIN32) && !defined(_XBOX)
#include <windows.h>
#include <winioctl.h> #include <winioctl.h>
#include <ntddscsi.h> #include <ntddscsi.h>
#endif #endif
@ -228,35 +229,39 @@ retry:
(void)sense_key_text; (void)sense_key_text;
(void)i; (void)i;
switch (sense[2] & 0xF) /* INQUIRY should never fail, don't retry */
if (cmd[0] != 0x12)
{ {
case 0: switch (sense[2] & 0xF)
case 2: {
case 3: case 0:
case 4: case 2:
case 6: case 3:
if (retries_left) case 4:
{ case 6:
if (retries_left)
{
#ifdef CDROM_DEBUG #ifdef CDROM_DEBUG
printf("CDROM Read Retry...\n"); printf("CDROM Read Retry...\n");
fflush(stdout); fflush(stdout);
#endif #endif
retries_left--; retries_left--;
usleep(1000 * 1000); usleep(1000 * 1000);
goto retry; goto retry;
} }
else else
{ {
rv = 1; rv = 1;
#ifdef CDROM_DEBUG #ifdef CDROM_DEBUG
printf("CDROM Read Retries failed, giving up.\n"); printf("CDROM Read Retries failed, giving up.\n");
fflush(stdout); fflush(stdout);
#endif #endif
} }
break; break;
default: default:
break; break;
}
} }
#ifdef CDROM_DEBUG #ifdef CDROM_DEBUG
@ -805,6 +810,56 @@ struct string_list* cdrom_get_available_drives(void)
string_list_free(dir_list); string_list_free(dir_list);
#endif #endif
#if defined(_WIN32) && !defined(_XBOX) #if defined(_WIN32) && !defined(_XBOX)
DWORD drive_mask = GetLogicalDrives();
int i;
int drive_index = 0;
for (i = 0; i < sizeof(DWORD) * 8; i++)
{
char path[] = {"a:\\"};
char cdrom_path[] = {"cdrom://a:/drive-track01.bin"};
path[0] += i;
cdrom_path[8] += i;
/* this drive letter doesn't exist */
if (!(drive_mask & (1 << i)))
continue;
if (GetDriveType(path) != DRIVE_CDROM)
continue;
else
{
char drive_model[32] = {0};
char drive_string[64] = {0};
union string_list_elem_attr attr = {0};
RFILE *file = filestream_open(cdrom_path, RETRO_VFS_FILE_ACCESS_READ, 0);
const libretro_vfs_implementation_file *stream;
bool is_cdrom = false;
if (!file)
continue;
stream = filestream_get_vfs_handle(file);
cdrom_get_inquiry(stream, drive_model, sizeof(drive_model), &is_cdrom);
filestream_close(file);
if (!is_cdrom)
continue;
attr.i = path[0];
snprintf(drive_string, sizeof(drive_string), "Drive %d: ", drive_index + 1);
if (!string_is_empty(drive_model))
strlcat(drive_string, drive_model, sizeof(drive_string));
else
strlcat(drive_string, "Unknown Drive", sizeof(drive_string));
string_list_append(list, drive_string, attr);
drive_index++;
}
}
#endif #endif
return list; return list;
} }