1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
{
This file is part of the Free Pascal run time library.
Copyright (c) 2001 by Free Pascal development team
This file implements all the base types and limits required
for a minimal POSIX compliant subset required to port the compiler
to a new OS.
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.
**********************************************************************}
{$ifdef FPC_USE_LIBC}
const clib = 'c';
type libcint=longint;
plibcint=^libcint;
{$if defined(FreeBSD) or defined(DragonFly)} // tested on x86
function geterrnolocation: Plibcint; cdecl;external clib name '__error';
{$else}
{$ifdef NetBSD} // from a sparc dump.
function geterrnolocation: Plibcint; cdecl;external clib name '__errno';
{$else}
{$ifdef Darwin}
function geterrnolocation: Plibcint; cdecl;external clib name '__error';
{$else}
{$ifdef OpenBSD}
function geterrnolocation: Plibcint; cdecl;external clib name '__errno';
{$else}
{$endif}
{$endif}
{$endif}
{$endif}
function geterrno:libcint; [public, alias: 'FPC_SYS_GETERRNO'];
begin
geterrno:=geterrnolocation^;
end;
procedure seterrno(err:libcint); [public, alias: 'FPC_SYS_SETERRNO'];
begin
geterrnolocation^:=err;
end;
{$else}
threadvar
Errno : longint;
function geterrno:longint; [public, alias: 'FPC_SYS_GETERRNO'];
begin
GetErrno:=Errno;
end;
procedure seterrno(err:longint); [public, alias: 'FPC_SYS_SETERRNO'];
begin
Errno:=err;
end;
{$endif}
{ OS dependant parts }
{$I errno.inc} // error numbers
{$I ostypes.inc} // c-types, unix base types, unix base structures
{$I osmacro.inc}
{$ifdef FPC_USE_LIBC}
{$Linklib c}
{$i oscdeclh.inc}
{$i oscdecl.inc}
{$ifdef darwin}
{$i sysmach.inc}
{$endif}
{$else}
{$I syscallh.inc}
{$I syscall.inc}
{$I sysnr.inc}
{$I ossysc.inc}
{$I syscgen.inc}
{$endif}
{*****************************************************************************
Error conversion
*****************************************************************************}
{
The lowlevel file functions should take care of setting the InOutRes to the
correct value if an error has occurred, else leave it untouched
}
Function PosixToRunError (PosixErrno : longint) : longint;
{
Convert ErrNo error to the correct Inoutres value
}
begin
if PosixErrNo=0 then { Else it will go through all the cases }
exit(0);
case PosixErrNo of
ESysENFILE,
ESysEMFILE : Inoutres:=4;
ESysENOENT : Inoutres:=2;
ESysEBADF : Inoutres:=6;
ESysENOMEM,
ESysEFAULT : Inoutres:=217;
ESysEINVAL : Inoutres:=218;
ESysEPIPE,
ESysEINTR,
ESysEIO,
ESysEAGAIN,
ESysENOSPC : Inoutres:=101;
ESysENAMETOOLONG : Inoutres := 3;
ESysEROFS,
ESysEEXIST,
ESysENOTEMPTY,
ESysEBusy,
ESysENOTDIR, // busy, enotdir, mantis #25931
ESysEACCES : Inoutres:=5;
ESysEISDIR : InOutRes:=5;
else
begin
InOutRes := Integer(PosixErrno);
end;
end;
PosixToRunError:=InOutRes;
end;
Function Errno2InoutRes : longint;
begin
Errno2InoutRes:=PosixToRunError(getErrno);
InoutRes:=Errno2InoutRes;
end;
{*****************************************************************************
Low Level File Routines
*****************************************************************************}
Function Do_IsDevice(Handle:Longint):boolean;
var
StatRec: Stat;
begin
fpFStat (Handle, StatRec);
case StatRec.st_Mode and S_IFMT of
S_IFCHR, S_IFIFO, S_IFSOCK: Do_IsDevice := true
else
Do_IsDevice := false;
end;
end;
|
