mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-06 07:28:09 +02:00
345 lines
12 KiB
PHP
345 lines
12 KiB
PHP
{
|
|
Copyright (c) 2001 by Carl Eric Codere
|
|
|
|
Implements POSIX 1003.1 conforming interface
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
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. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02111-1301 USA.
|
|
|
|
****************************************************************************
|
|
}
|
|
|
|
{$Linklib c}
|
|
|
|
function int_fork : pid_t; cdecl; external name 'fork';
|
|
function int_execve(const path : pchar; const argv : ppchar; const envp: ppchar): cint; cdecl; external name 'execve';
|
|
function int_waitpid(pid : pid_t; var stat_loc : cint; options: cint): pid_t; cdecl; external name 'waitpid';
|
|
function int_uname(var name: utsname): cint; cdecl; external name 'uname';
|
|
procedure sys_exit(status : cint); cdecl; external name '_exit';
|
|
function int_opendir(const dirname : pchar): pdir; cdecl; external name 'opendir';
|
|
function int_readdir(dirp : pdir) : pdirent;cdecl; external name 'readdir';
|
|
function int_closedir(dirp : pdir): cint; cdecl; external name 'closedir';
|
|
function int_chdir(const path : pchar): cint; cdecl; external name 'chdir';
|
|
function int_open(const path: pchar; flags : cint; mode: mode_t):cint; cdecl; external name 'open';
|
|
function int_mkdir(const path : pchar; mode: mode_t):cint; cdecl; external name 'mkdir';
|
|
function int_unlink(const path: pchar): cint; cdecl; external name 'unlink';
|
|
function int_rmdir(const path : pchar): cint; cdecl; external name 'rmdir';
|
|
function int_rename(const old : pchar; const newpath: pchar): cint; cdecl;external name 'rename';
|
|
function int_access(const pathname : pchar; amode : cint): cint; cdecl; external name 'access';
|
|
function int_close(fd : cint): cint; cdecl; external name 'close';
|
|
function int_read(fd: cint; buf: pchar; nbytes : size_t): ssize_t; cdecl; external name 'read';
|
|
function int_write(fd: cint;const buf:pchar; nbytes : size_t): ssize_t; cdecl; external name 'write';
|
|
function int_lseek(fd : cint; offset : off_t; whence : cint): off_t; cdecl; external name 'lseek';
|
|
function int_time(var tloc:time_t): time_t; cdecl; external name 'time';
|
|
function int_ftruncate(fd : cint; flength : off_t): cint; cdecl; external name 'ftruncate';
|
|
function int_sigaction(sig: cint; var act : sigactionrec; var oact : sigactionrec): cint; cdecl; external name 'sigaction';
|
|
function int_fstat(fd : cint; var sb : stat): cint; cdecl; external name 'fstat';
|
|
function int_stat(const path: pchar; var buf : stat): cint; cdecl; external name 'stat';
|
|
|
|
|
|
function sys_fork : pid_t;
|
|
begin
|
|
sys_fork := int_fork;
|
|
if sys_fork <> - 1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_execve(const path : pchar; const argv : ppchar; const envp: ppchar): cint;
|
|
begin
|
|
sys_execve := int_execve(path, argv, envp);
|
|
if sys_execve <> - 1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_waitpid(pid : pid_t; var stat_loc : cint; options: cint): pid_t;
|
|
begin
|
|
sys_waitpid := int_waitpid(pid, stat_loc, options);
|
|
if sys_waitpid <> - 1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_uname(var name: utsname): cint;
|
|
begin
|
|
sys_uname := int_uname(name);
|
|
if sys_uname <> - 1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_opendir(const dirname : pchar): pdir;
|
|
begin
|
|
sys_opendir := int_opendir(dirname);
|
|
if sys_opendir <> nil then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_readdir(dirp : pdir) : pdirent;
|
|
begin
|
|
sys_readdir := int_readdir(dirp);
|
|
if sys_readdir <> nil then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_closedir(dirp : pdir): cint;
|
|
begin
|
|
sys_closedir := int_closedir(dirp);
|
|
if sys_closedir <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_chdir(const path : pchar): cint;
|
|
begin
|
|
sys_chdir := int_chdir(path);
|
|
if sys_chdir <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_open(const path: pchar; flags : cint; mode: mode_t):cint;
|
|
begin
|
|
sys_open:= int_open(path, flags, mode);
|
|
if sys_open <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_mkdir(const path : pchar; mode: mode_t):cint;
|
|
begin
|
|
sys_mkdir:= int_mkdir(path, mode);
|
|
if sys_mkdir <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_unlink(const path: pchar): cint;
|
|
begin
|
|
sys_unlink := int_unlink(path);
|
|
if sys_unlink <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_rmdir(const path : pchar): cint;
|
|
begin
|
|
sys_rmdir := int_rmdir(path);
|
|
if sys_rmdir <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_rename(const old : pchar; const newpath: pchar): cint;
|
|
begin
|
|
sys_rename := int_rename(old, newpath);
|
|
if sys_rename <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_access(const pathname : pchar; amode : cint): cint;
|
|
begin
|
|
sys_access := int_access(pathname, amode);
|
|
if sys_access <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_close(fd : cint): cint;
|
|
begin
|
|
sys_close := int_close(fd);
|
|
if sys_close <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_read(fd: cint; buf: pchar; nbytes : size_t): ssize_t;
|
|
begin
|
|
sys_read := int_read(fd, buf, nbytes);
|
|
if sys_read <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_write(fd: cint;const buf:pchar; nbytes : size_t): ssize_t;
|
|
begin
|
|
sys_write := int_write(fd, buf, nbytes);
|
|
if sys_write <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_lseek(fd : cint; offset : off_t; whence : cint): off_t;
|
|
begin
|
|
sys_lseek := int_lseek(fd, offset, whence);
|
|
if sys_lseek <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_time(var tloc:time_t): time_t;
|
|
begin
|
|
sys_time := int_time(tloc);
|
|
if sys_time <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_ftruncate(fd : cint; flength : off_t): cint;
|
|
begin
|
|
sys_ftruncate := int_ftruncate(fd, flength);
|
|
if sys_ftruncate <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_sigaction(sig: cint; var act : sigactionrec; var oact : sigactionrec): cint;
|
|
begin
|
|
sys_sigaction := int_sigaction(sig, act, oact);
|
|
if sys_sigaction <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
|
|
function sys_fstat(fd : cint; var sb : stat): cint;
|
|
begin
|
|
sys_fstat := int_fstat(fd, sb);
|
|
if sys_fstat <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
function sys_stat(const path: pchar; var buf : stat): cint;
|
|
begin
|
|
sys_stat := int_stat(path, buf);
|
|
if sys_stat <> -1 then
|
|
begin
|
|
errno := 0; { reset errno when the call succeeds, contrary to libc }
|
|
end;
|
|
end;
|
|
|
|
const
|
|
_S_IFMT = $F000; (* Type of file *)
|
|
_S_IFIFO = $1000; (* FIFO *)
|
|
_S_IFCHR = $2000; (* Character special *)
|
|
_S_IFDIR = $4000; (* Directory *)
|
|
_S_IFNAM = $5000; (* Special named file *)
|
|
_S_IFBLK = $6000; (* Block special *)
|
|
_S_IFREG = $8000; (* Regular *)
|
|
_S_IFLNK = $A000; (* Symbolic link *)
|
|
_S_IFSOCK = $C000; (* Socket *)
|
|
|
|
|
|
function S_ISDIR(m : mode_t): boolean;
|
|
begin
|
|
if (m and _S_IFMT) = _S_IFDIR then
|
|
S_ISDIR := true
|
|
else
|
|
S_ISDIR := false;
|
|
end;
|
|
|
|
function S_ISCHR(m : mode_t): boolean;
|
|
begin
|
|
if (m and _S_IFMT) = _S_IFCHR then
|
|
S_ISCHR := true
|
|
else
|
|
S_ISCHR := false;
|
|
end;
|
|
|
|
function S_ISBLK(m : mode_t): boolean;
|
|
begin
|
|
if (m and _S_IFMT) = _S_IFBLK then
|
|
S_ISBLK := true
|
|
else
|
|
S_ISBLK := false;
|
|
end;
|
|
|
|
function S_ISREG(m : mode_t): boolean;
|
|
begin
|
|
if (m and _S_IFMT) = _S_IFREG then
|
|
S_ISREG := true
|
|
else
|
|
S_ISREG := false;
|
|
end;
|
|
|
|
function S_ISFIFO(m : mode_t): boolean;
|
|
begin
|
|
if (m and _S_IFMT) = _S_IFIFO then
|
|
S_ISFIFO := true
|
|
else
|
|
S_ISFIFO := false;
|
|
end;
|
|
|
|
function wifexited(status : cint): cint;
|
|
begin
|
|
wifexited := longint((status and $FF) = 0);
|
|
end;
|
|
|
|
function wexitstatus(status : cint): cint;
|
|
begin
|
|
wexitstatus := (((status) shr 8) and $FF);
|
|
end;
|
|
|
|
function wstopsig(status : cint): cint;
|
|
begin
|
|
wstopsig := (((status) shr 8) and $FF);
|
|
end;
|
|
|
|
function wifsignaled(status : cint): cint;
|
|
begin
|
|
if ((status and $FF) <> 0) and ((status and $FF00)=0) then
|
|
wifsignaled := 1
|
|
else
|
|
wifsignaled := 0;
|
|
end;
|
|
|