Minor errno fixups.

VirtualFileSystem/Ext2FileSystem.cpp

@@ -5,6 +5,7 @@
 #include <cstdio>
 #include <cstring>
 #include <AK/kmalloc.h>
+#include "sys-errno.h"
 
 //#define EXT2_DEBUG
 

VirtualFileSystem/FileHandle.cpp

@@ -1,6 +1,7 @@
 #include "FileHandle.h"
 #include "FileSystem.h"
 #include "CharacterDevice.h"
+#include "sys-errno.h"
 
 FileHandle::FileHandle(RetainPtr<VirtualFileSystem::Node>&& vnode)
     : m_vnode(std::move(vnode))

VirtualFileSystem/sys-errno.h

@@ -1,37 +1,38 @@
 #pragma once
 
-#define EPERM    1    // Operation not permitted
-#define ENOENT   2    // No such file or directory
-#define ESRCH    3    // No such process
-#define EINTR    4    // Interrupted system call
-#define EIO      5    // I/O error
-#define ENXIO    6    // No such device or address
-#define E2BIG    7    // Argument list too long
-#define ENOEXEC  8    // Exec format error
-#define EBADF    9    // Bad file number
-#define ECHILD  10    // No child processes
-#define EAGAIN  11    // Try again
-#define ENOMEM  12    // Out of memory
-#define EACCES  13    // Permission denied
-#define EFAULT  14    // Bad address
-#define ENOTBLK 15    // Block device required
-#define EBUSY   16    // Device or resource busy
-#define EEXIST  17    // File exists
-#define EXDEV   18    // Cross-device link
-#define ENODEV  19    // No such device
-#define ENOTDIR 20    // Not a directory
-#define EISDIR  21    // Is a directory
-#define EINVAL  22    // Invalid argument
-#define ENFILE  23    // File table overflow
-#define EMFILE  24    // Too many open files
-#define ENOTTY  25    // Not a typewriter
-#define ETXTBSY 26    // Text file busy
-#define EFBIG   27    // File too large
-#define ENOSPC  28    // No space left on device
-#define ESPIPE  29    // Illegal seek
-#define EROFS   30    // Read-only file system
-#define EMLINK  31    // Too many links
-#define EPIPE   32    // Broken pipe
-#define EDOM    33    // Math argument out of domain of func
-#define ERANGE  34    // Math result not representable
+#define EPERM      1    // Operation not permitted
+#define ENOENT     2    // No such file or directory
+#define ESRCH      3    // No such process
+#define EINTR      4    // Interrupted system call
+#define EIO        5    // I/O error
+#define ENXIO      6    // No such device or address
+#define E2BIG      7    // Argument list too long
+#define ENOEXEC    8    // Exec format error
+#define EBADF      9    // Bad file number
+#define ECHILD    10    // No child processes
+#define EAGAIN    11    // Try again
+#define ENOMEM    12    // Out of memory
+#define EACCES    13    // Permission denied
+#define EFAULT    14    // Bad address
+#define ENOTBLK   15    // Block device required
+#define EBUSY     16    // Device or resource busy
+#define EEXIST    17    // File exists
+#define EXDEV     18    // Cross-device link
+#define ENODEV    19    // No such device
+#define ENOTDIR   20    // Not a directory
+#define EISDIR    21    // Is a directory
+#define EINVAL    22    // Invalid argument
+#define ENFILE    23    // File table overflow
+#define EMFILE    24    // Too many open files
+#define ENOTTY    25    // Not a typewriter
+#define ETXTBSY   26    // Text file busy
+#define EFBIG     27    // File too large
+#define ENOSPC    28    // No space left on device
+#define ESPIPE    29    // Illegal seek
+#define EROFS     30    // Read-only file system
+#define EMLINK    31    // Too many links
+#define EPIPE     32    // Broken pipe
+#define EDOM      33    // Math argument out of domain of func
+#define ERANGE    34    // Math result not representable
 
+#define EOVERFLOW 75    // Value too large for defined data type