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cdrom: add some debug prints if we cannot find any devices

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This commit is contained in:
Brad Parker 2019-07-25 14:02:13 -04:00
parent d72ae6bebe
commit afc2888116
1 changed files with 43 additions and 4 deletions
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47
libretro-common/cdrom/cdrom.c
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@ -1349,7 +1349,11 @@ struct string_list* cdrom_get_available_drives(void)
found = true;
if (!file)
{
printf("[CDROM] Could not open %s, please check permissions.\n", dir_list->elems[i].data);
fflush(stdout);
continue;
}
stream = filestream_get_vfs_handle(file);
cdrom_get_inquiry(stream, drive_model, sizeof(drive_model), &is_cdrom);
@ -1374,10 +1378,45 @@ struct string_list* cdrom_get_available_drives(void)
if (!found)
{
#ifdef CDROM_DEBUG
printf("[CDROM] No sg devices found. Is the sg kernel module loaded?\n");
fflush(stdout);
#endif
char *buf = NULL;
int64_t len = 0;
if (filestream_read_file("/proc/modules", (void**)&buf, &len))
{
struct string_list *mods = string_split(buf, "\n");
bool found = false;
if (mods)
{
for (i = 0; i < mods->size; i++)
{
if (strcasestr(mods->elems[i].data, "sg "))
{
found = true;
break;
}
}
string_list_free(mods);
}
if (found)
{
printf("[CDROM] No sg devices found but kernel module is loaded.\n");
fflush(stdout);
}
else
{
printf("[CDROM] No sg devices found and sg kernel module is not loaded.\n");
fflush(stdout);
}
}
else
{
printf("[CDROM] No sg devices found, could not check if sg kernel module is loaded.\n");
fflush(stdout);
}
}
string_list_free(dir_list);