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Add ENOMEDIUM.

This commit is contained in:
Jonas 'Sortie' Termansen 2021-05-29 00:37:23 +02:00
parent 18ba2d2fe3
commit 1c9233e0c9
5 changed files with 7 additions and 3 deletions

View file

@ -224,7 +224,7 @@ static bool prepare_block_device(void* ctx, const char* path)
}
if ( !harddisk_inspect_blockdevice(hd) )
{
if ( errno == ENOTBLK )
if ( errno == ENOTBLK || errno == ENOMEDIUM )
return true;
if ( errno == EINVAL )
return warning("%s: %m", path), true;

View file

@ -107,6 +107,7 @@
#define EPROTO 97
#define ETXTBSY 98
#define ENOMOUNT 99
#define ENOMEDIUM 100
#define EOPNOTSUPP ENOTSUP
#define EWOULDBLOCK EAGAIN

View file

@ -110,6 +110,7 @@ const char* sortix_strerror(int errnum)
case EPROTO: return "Protocol error";
case ETXTBSY: return "Text file busy";
case ENOMOUNT: return "No such mountpoint";
case ENOMEDIUM: return "No medium found";
default: return "Unknown error condition";
}
}

View file

@ -107,7 +107,7 @@ static bool devices_iterate_open_callback(void* ctx_ptr, const char* path)
}
if ( !harddisk_inspect_blockdevice(hd) )
{
bool success = errno == ENOTBLK;
bool success = errno == ENOTBLK || errno == ENOMEDIUM;
harddisk_close(hd);
return success;
}

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2015 Jonas 'Sortie' Termansen.
* Copyright (c) 2015, 2021 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -97,6 +97,8 @@ bool harddisk_inspect_blockdevice(struct harddisk* hd)
return harddisk_close(hd), false;
hd->sectors = (uint16_t) strtoul(str, NULL, 10);
free(str);
if ( !hd->logical_block_size )
return errno = ENOMEDIUM, false;
// TODO: To avoid potential overflow bugs (assuming malicious filesystem),
// reject ridiculous block sizes.
if ( 65536 < hd->logical_block_size )