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FPPS4
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zero check

This commit is contained in:
Pavel 2022-12-02 09:32:11 +03:00
parent fb243eed32
commit 613d6b7ab5
1 changed files with 39 additions and 3 deletions
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42
kernel/ps4_kernel_file.pas
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@ -228,8 +228,17 @@ function _sys_read(fd:Integer;data:Pointer;size:Int64):Int64;
var
f:TCustomFile;
begin
if (data=nil) then Exit(-EFAULT);
if (fd<0) then Exit(-EINVAL);
if (size=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (data=nil) then Exit(-EFAULT);
if (size<=0) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
@ -277,6 +286,15 @@ var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (size=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (data=nil) then Exit(-EFAULT);
if (size<=0) then Exit(-EINVAL);
if (offset<0) then Exit(-EINVAL);
@ -326,8 +344,8 @@ var
f:TCustomFile;
i:Integer;
begin
if (vector=nil) then Exit(-EFAULT);
if (fd<0) then Exit(-EINVAL);
if (vector=nil) then Exit(-EFAULT);
if (count<=0) then Exit(-EINVAL);
For i:=0 to count-1 do
@ -380,8 +398,17 @@ function _sys_write(fd:Integer;data:Pointer;size:Int64):Int64;
var
f:TCustomFile;
begin
if (data=nil) then Exit(-EFAULT);
if (fd<0) then Exit(-EINVAL);
if (size=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (data=nil) then Exit(-EFAULT);
if (size<=0) then Exit(-EINVAL);
f:=_sys_acqure_fd(fd);
@ -429,6 +456,15 @@ var
f:TCustomFile;
begin
if (fd<0) then Exit(-EINVAL);
if (size=0) then //zero check
begin
f:=_sys_acqure_fd(fd);
if (f=nil) then Exit(-EBADF);
f.Release;
Exit(0);
end;
if (data=nil) then Exit(-EFAULT);
if (size<=0) then Exit(-EINVAL);
if (offset<0) then Exit(-EINVAL);