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release_3_2_4-branch
fpc/rtl/nds/libch.inc
Legolas fb1e29aef5 * nds: implemented write(ln) output on the screen (it needs flush tough...) 
git-svn-id: trunk@17915 -
2011-07-03 08:34:52 +00:00

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{
This file is part of the Free Component Library (FCL)
Copyright (c) 1999-2002 by the Free Pascal development team
libc unit for Nintendo DS
Copyright (c) 2006 by Francesco Lombardi
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*****************************************************************************}
type
time_t = longint;
ptime_t = ^time_t;
Ptm = ^tm;
tm = record
tm_sec: longint;
tm_min: longint;
tm_hour: longint;
tm_mday: longint;
tm_mon: longint;
tm_year: longint;
tm_wday: longint;
tm_yday: longint;
tm_isdst: longint;
end;
(* Some libc functions *)
//function printf(format: Pchar; args: array of const): longint; cdecl; external;
function printf(format: Pchar): longint; cdecl; varargs; external;
//function sprintf(s: Pchar; format: Pchar; args: array of const): longint; cdecl; external;
function sprintf(s: Pchar; format: Pchar): longint; varargs; cdecl; external;
//function iprintf(format: Pchar; args: array of const): longint; cdecl; external;
function iprintf(format: Pchar): longint; varargs; cdecl; external;
//function scanf(format: Pchar; args: array of const): longint; cdecl; external;
function scanf(format: Pchar): longint; cdecl; varargs; external;
//function sscanf(s: Pchar; format: Pchar; args: array of const): longint; cdecl; external;
function sscanf(s: Pchar; format: Pchar): longint; cdecl; varargs; external;
function strcmp(s1: Pchar; s2: Pchar): longint; cdecl; external;
function malloc(size: integer): pointer; cdecl; external;
function realloc(ptr: pointer; size: integer): pointer; cdecl; external;
procedure free(ptr: pointer); cdecl; external;
function memcpy(dest: pointer; src: pointer; n: integer): pointer; cdecl; external;
function gmtime(timer: ptime_t): ptm; cdecl; external;
function time(timer: ptime_t): time_t; cdecl; external;
type
TSort = function (const a, b: pointer): integer;
procedure qsort(__base: pointer; __nmemb: integer; __size: integer; __compar: TSort); cdecl; external;
var
errno: plongint; external name '__errno';
type
{
_FILE = record
firstCluster: longword;
length: longword;
curPos: longword;
curClus: longword; // Current cluster to read from
curSect: integer; // Current sector within cluster
curByte: integer; // Current byte within sector
readBuffer: array [0..511] of byte; // Buffer used for unaligned reads
appClus: longword; // Cluster to append to
appSect: integer; // Sector within cluster for appending
appByte: integer; // Byte within sector for appending
read: boolean; // Can read from file
write: boolean; // Can write to file
append: boolean; // Can append to file
inUse: boolean; // This file is open
dirEntSector: longword; // The sector where the directory entry is stored
dirEntOffset: integer; // The offset within the directory sector
end;
P_FILE = ^_FILE;
}
P_iobuf = ^_iobuf;
_iobuf = record
reserved : longint;
end;
_FILE = _iobuf;
P_FILE = ^_FILE;
PP_FILE = ^P_FILE;
const
SEEK_SET = 0;
SEEK_CUR = 1;
SEEK_END = 2;
R_OK = 1;
W_OK = 2;
X_OK = 4;
F_OK = 8;
L_SET = SEEK_SET;
L_INCR = SEEK_CUR;
L_XTND = SEEK_END;
EFF_ONLY_OK = 8;
STDIN_FILENO = 0;
STDOUT_FILENO = 1;
STDERR_FILENO = 2;
(*
------------------------------------------------------------------------------
Directory iterator for mantaining state between dir* calls
------------------------------------------------------------------------------
*)
type
DIR_ITER = record
device: longint;
dirStruct: pointer;
end;
PDIR_ITER = ^DIR_ITER;
stat = record
st_dev: longint;
st_ino: longword;
st_mode : longword;
st_nlink : word;
st_uid : word;
st_gid : word;
st_rdev : longint;
st_size : longint;
st_atime : longint;
st_spare1: longint;
st_mtime: longint;
st_spare2: longint;
st_ctime: longint;
st_spare3: longint;
st_blksize: longint;
st_blocks: longint;
st_spare4: array [0..1] of longint;
end;
TStat = stat;
PStat = ^stat;
const
_IFMT = 0170000; // type of file
_IFDIR = 0040000; // directory
_IFCHR = 0020000; // character special
_IFBLK = 0060000; // block special
_IFREG = 0100000; // regular
_IFLNK = 0120000; // symbolic link
_IFSOCK = 0140000; // socket
_IFIFO = 0010000; // fifo
S_BLKSIZE = 1024; // size of a block
S_ISUID = 0004000; // set user id on execution
S_ISGID = 0002000; // set group id on execution
NAME_MAX = 767;
function S_ISBLK(m: longint): boolean; inline;
function S_ISCHR(m: longint): boolean; inline;
function S_ISDIR(m: longint): boolean; inline;
function S_ISFIFO(m: longint): boolean; inline;
function S_ISREG(m: longint): boolean; inline;
function S_ISLNK(m: longint): boolean; inline;
function S_ISSOCK(m: longint): boolean; inline;
type
dirent = record
d_ino: longint;
d_name: array [0..NAME_MAX] of char;
end;
PDirent = ^dirent;
PPDirent = ^PDirent;
DIR = record
position: longint;
dirData: PDIR_ITER;
fileData: dirent;
end;
PDIR = ^DIR;
(* DIR handling *)
function closedir(dirp: PDIR): longint; cdecl; external;
function opendir(const dirname: pchar): PDIR; cdecl; external;
function readdir(dirp: PDIR): PDirent; cdecl; external;
function readdir_r(dirp: PDIR; entry: PDirent; result: PPDirent): longint; cdecl; external;
procedure rewinddir(dirp: PDIR); cdecl; external;
procedure seekdir(dirp: PDIR; loc: longint); cdecl; external;
function telldir(dirp: PDIR): longint; cdecl; external;
function diropen(const path: pchar): PDIR_ITER; cdecl; external;
function dirreset(dirState: PDIR_ITER): longint; cdecl; external;
function dirnext(dirState: PDIR_ITER; filename: pchar; filestat: Pstat): longint; cdecl; external;
function dirclose(dirState: PDIR_ITER): longint; cdecl; external;
(* File handling *)
function fopen(filename: Pchar; modes: Pchar): P_FILE; cdecl; external;
function fread(ptr: pointer; size: longint; n: longint; stream: P_FILE): longint; cdecl; external;
function fread(var ptr; size: longint; n: longint; var stream: _FILE): longint; cdecl; external;
function fwrite(ptr: pointer; size: longint; n: longint; s: P_FILE): longint; cdecl; external;
function fwrite(var ptr; size: longint; n: longint; var s: _FILE): longint; cdecl; external;
function ftell(stream: P_FILE): longint; cdecl; external;
function ftell(var stream: _FILE): longint; cdecl; external;
function fseek(stream: P_FILE; off: longint; whence: longint): longint; cdecl; external;
function fseek(var stream: _FILE; off: longint; whence: longint): longint; cdecl; external;
function fclose(stream: P_FILE): longint; cdecl; external;
function fclose(var stream: _FILE): longint; cdecl; external;
function isatty(fildes: longint): longint; cdecl; external;
function fileno(para1: P_FILE): longint; cdecl; external;
function fileno(var para1: _FILE): longint; cdecl; external;
function fstat(fildes: longint; buf: PStat): longint; cdecl; external;
function fstat(fildes: longint; var buf: TStat): longint; cdecl; external;
function _stat(__file: Pchar; var __buf: Tstat): longint; cdecl; external name 'stat';
function _stat(path: Pchar; buf: Pstat): longint; cdecl; external name 'stat';
function ftruncate(fildes: longint; len: longint): longint; cdecl; external;
function unlink(path: Pchar): longint; cdecl; external;
function rename(para1: Pchar; para2: Pchar): longint; cdecl; external;
function _open(path: Pchar; oflag: longint): longint; cdecl; external name 'open';
function _open(path: Pchar; oflag, mode: longint): longint; cdecl; external name 'open';
function _read(fildes:longint; buf:pointer; nbytes:dword):longint;cdecl;external name 'read';
function _read(fildes:longint; var buf; nbytes:dword):longint;cdecl;external name 'read';
function _write(fildes:longint; buf:pointer; nbytes:dword):longint;cdecl;external name 'write';
function _write(fildes:longint; var buf; nbytes:dword):longint;cdecl;external name 'write';
function _lseek(fildes:longint; offset:longint; whence:longint):longint;cdecl;external name 'lseek';
function _close(fildes:longint): longint; cdecl; external name 'close';
function _unlink(path:Pchar): longint; cdecl; external name 'unlink';
function _rename(para1: Pchar; para2: Pchar): longint; cdecl; external name 'rename';
function _access(path: Pchar; mode: longint): longint; cdecl; external name 'access';
function _tell(fildes: longint): longint; cdecl; external name 'tell';
function _isatty(fildes: longint): longint; cdecl; external name 'isatty';
function _truncate(fildes: longint; len: longint): longint; cdecl; external name 'truncate';
const
F_GETFL = 1; // get file status flags
F_SETFL = 2; // set file status flags
F_DUPFD = 3; // duplicate file descriptor
F_GETFD = 4; // get file descriptor flags
F_SETFD = 5; // set file descriptor flags
F_SETLK = 6; // set record locking info
F_SETLK64 = 16; // set record locking info (64-bit)
F_GETLK = 7; // get record locking info
F_GETLK64 = 17; // get record locking info (64-bit)
F_SETLKW = 8; // get record locking info; wait if blocked
F_SETLKW64 = 18; // get record locking info (64-bit)
F_CLOEXEC = 9; // close on execute
// values for 'l_type' field of 'struct flock'...
F_RDLCK = 1; // shared or read lock
F_WRLCK = 2; // exclusive or write lock
F_UNLCK = 3; // unlock
// values for 'oflag' in open()...
O_RDONLY =$00000000; // open for read only
O_WRONLY =$00000001; // open for write only
O_RDWR =$00000002; // open for read and write
O_ACCMODE =$00000003; // access flags mask
O_reserved1 =$00000004; // reserved
O_reserved2 =$00000008; // reserved
O_APPEND =$00000010; // writes done at end of file
O_CREAT =$00000020; // create new file
O_TRUNC =$00000040; // truncate existing file
O_EXCL =$00000080; // exclusive open
O_NOCTTY =$00000100; // no controlling terminal--unsupported
O_BINARY =$00000200; // binary file--all files
O_NDELAY =$00000400; // nonblocking flag
O_reserved3 =$00000800; // reserved
O_SYNC =$00001000; // synchronized I/O file integrity
O_DSYNC =$00002000; // synchronized I/O data integrity
O_RSYNC =$00004000; // synchronized read I/O
O_NONBLOCK = O_NDELAY; // alias
FD_CLOEXEC =$00008000; // parent closes after call to process()
O_UPDATE =$00010000; // keep legacy files updated
O_FIFO =$00100000; // opening one end of a FIFO [non-standard]
// value for third argument when 'cmd' is F_SETFL in fcntl()...
FNDELAY = O_NDELAY; // fcntl() non-blocking I/O
// 'shflag' values for sopen()...
SH_DENYRW = $00000010; // deny read/write mode
SH_DENYWR = $00000020; // deny write mode
SH_DENYRD = $00000030; // deny read mode
SH_DENYNO = $00000040; // deny none mode
Const
Sys_EPERM = 1; { Operation not permitted }
Sys_ENOENT = 2; { No such file or directory }
Sys_ESRCH = 3; { No such process }
Sys_EINTR = 4; { Interrupted system call }
Sys_EIO = 5; { I/O error }
Sys_ENXIO = 6; { No such device or address }
Sys_E2BIG = 7; { Arg list too long }
Sys_ENOEXEC = 8; { Exec format error }
Sys_EBADF = 9; { Bad file number }
Sys_ECHILD = 10; { No child processes }
Sys_EAGAIN = 11; { Try again }
Sys_ENOMEM = 12; { Out of memory }
Sys_EACCES = 13; { Permission denied }
Sys_EFAULT = 14; { Bad address }
Sys_ENOTBLK = 15; { Block device required, NOT POSIX! }
Sys_EBUSY = 16; { Device or resource busy }
Sys_EEXIST = 17; { File exists }
Sys_EXDEV = 18; { Cross-device link }
Sys_ENODEV = 19; { No such device }
Sys_ENOTDIR = 20; { Not a directory }
Sys_EISDIR = 21; { Is a directory }
Sys_EINVAL = 22; { Invalid argument }
Sys_ENFILE = 23; { File table overflow }
Sys_EMFILE = 24; { Too many open files }
Sys_ENOTTY = 25; { Not a typewriter }
Sys_ETXTBSY = 26; { Text file busy. The new process was
a pure procedure (shared text) file which was
open for writing by another process, or file
which was open for writing by another process,
or while the pure procedure file was being
executed an open(2) call requested write access
requested write access.}
Sys_EFBIG = 27; { File too large }
Sys_ENOSPC = 28; { No space left on device }
Sys_ESPIPE = 29; { Illegal seek }
Sys_EROFS = 30; { Read-only file system }
Sys_EMLINK = 31; { Too many links }
Sys_EPIPE = 32; { Broken pipe }
Sys_EDOM = 33; { Math argument out of domain of func }
Sys_ERANGE = 34; { Math result not representable }
Sys_EDEADLK = 35; { Resource deadlock would occur }
Sys_ENAMETOOLONG= 36; { File name too long }
Sys_ENOLCK = 37; { No record locks available }
Sys_ENOSYS = 38; { Function not implemented }
Sys_ENOTEMPTY= 39; { Directory not empty }
Sys_ELOOP = 40; { Too many symbolic links encountered }
Sys_EWOULDBLOCK = Sys_EAGAIN; { Operation would block }
Sys_ENOMSG = 42; { No message of desired type }
Sys_EIDRM = 43; { Identifier removed }
Sys_ECHRNG = 44; { Channel number out of range }
Sys_EL2NSYNC= 45; { Level 2 not synchronized }
Sys_EL3HLT = 46; { Level 3 halted }
Sys_EL3RST = 47; { Level 3 reset }
Sys_ELNRNG = 48; { Link number out of range }
Sys_EUNATCH = 49; { Protocol driver not attached }
Sys_ENOCSI = 50; { No CSI structure available }
Sys_EL2HLT = 51; { Level 2 halted }
Sys_EBADE = 52; { Invalid exchange }
Sys_EBADR = 53; { Invalid request descriptor }
Sys_EXFULL = 54; { Exchange full }
Sys_ENOANO = 55; { No anode }
Sys_EBADRQC = 56; { Invalid request code }
Sys_EBADSLT = 57; { Invalid slot }
Sys_EDEADLOCK= 58; { File locking deadlock error }
Sys_EBFONT = 59; { Bad font file format }
Sys_ENOSTR = 60; { Device not a stream }
Sys_ENODATA = 61; { No data available }
Sys_ETIME = 62; { Timer expired }
Sys_ENOSR = 63; { Out of streams resources }
Sys_ENONET = 64; { Machine is not on the network }
Sys_ENOPKG = 65; { Package not installed }
Sys_EREMOTE = 66; { Object is remote }
Sys_ENOLINK = 67; { Link has been severed }
Sys_EADV = 68; { Advertise error }
Sys_ESRMNT = 69; { Srmount error }
Sys_ECOMM = 70; { Communication error on send }
Sys_EPROTO = 71; { Protocol error }
Sys_EMULTIHOP= 72; { Multihop attempted }
Sys_EDOTDOT = 73; { RFS specific error }
Sys_EBADMSG = 74; { Not a data message }
Sys_EOVERFLOW= 75; { Value too large for defined data type }
Sys_ENOTUNIQ= 76; { Name not unique on network }
Sys_EBADFD = 77; { File descriptor in bad state }
Sys_EREMCHG = 78; { Remote address changed }
Sys_ELIBACC = 79; { Can not access a needed shared library }
Sys_ELIBBAD = 80; { Accessing a corrupted shared library }
Sys_ELIBSCN = 81; { .lib section in a.out corrupted }
Sys_ELIBMAX = 82; { Attempting to link in too many shared libraries }
Sys_ELIBEXEC= 83; { Cannot exec a shared library directly }
Sys_EILSEQ = 84; { Illegal byte sequence }
Sys_ERESTART= 85; { Interrupted system call should be restarted }
Sys_ESTRPIPE= 86; { Streams pipe error }
Sys_EUSERS = 87; { Too many users }
Sys_ENOTSOCK= 88; { Socket operation on non-socket }
Sys_EDESTADDRREQ= 89; { Destination address required }
Sys_EMSGSIZE= 90; { Message too long }
Sys_EPROTOTYPE= 91; { Protocol wrong type for socket }
Sys_ENOPROTOOPT= 92; { Protocol not available }
Sys_EPROTONOSUPPORT= 93; { Protocol not supported }
Sys_ESOCKTNOSUPPORT= 94; { Socket type not supported }
Sys_EOPNOTSUPP= 95; { Operation not supported on transport endpoint }
Sys_EPFNOSUPPORT= 96; { Protocol family not supported }
Sys_EAFNOSUPPORT= 97; { Address family not supported by protocol }
Sys_EADDRINUSE= 98; { Address already in use }
Sys_EADDRNOTAVAIL= 99; { Cannot assign requested address }
Sys_ENETDOWN= 100; { Network is down }
Sys_ENETUNREACH= 101; { Network is unreachable }
Sys_ENETRESET= 102; { Network dropped connection because of reset }
Sys_ECONNABORTED= 103; { Software caused connection abort }
Sys_ECONNRESET= 104; { Connection reset by peer }
Sys_ENOBUFS = 105; { No buffer space available }
Sys_EISCONN = 106; { Transport endpoint is already connected }
Sys_ENOTCONN= 107; { Transport endpoint is not connected }
Sys_ESHUTDOWN= 108; { Cannot send after transport endpoint shutdown }
Sys_ETOOMANYREFS= 109; { Too many references: cannot splice }
Sys_ETIMEDOUT= 110; { Connection timed out }
Sys_ECONNREFUSED= 111; { Connection refused }
Sys_EHOSTDOWN= 112; { Host is down }
Sys_EHOSTUNREACH= 113; { No route to host }
Sys_EALREADY= 114; { Operation already in progress }
Sys_EINPROGRESS= 115; { Operation now in progress }
Sys_ESTALE = 116; { Stale NFS file handle }
Sys_EUCLEAN = 117; { Structure needs cleaning }
Sys_ENOTNAM = 118; { Not a XENIX named type file }
Sys_ENAVAIL = 119; { No XENIX semaphores available }
Sys_EISNAM = 120; { Is a named type file }
Sys_EREMOTEIO= 121; { Remote I/O error }
Sys_EDQUOT = 122; { Quota exceeded }
{ This value was suggested by Daniel
based on infos from www.linuxassembly.org }
Sys_ERROR_MAX = $fff;
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