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go
golang
Commits
c870ac23
Commit
c870ac23
authored
Jul 15, 2008
by
Rob Pike
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add sys.writefile; support for darwin only in this CL
SVN=127153
parent
e9a19438
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5 changed files
with
42 additions
and
3 deletions
+42
-3
sys.go
src/cmd/gc/sys.go
+2
-0
sysimport.c
src/cmd/gc/sysimport.c
+0
-0
runtime.h
src/runtime/runtime.h
+2
-1
sys_amd64_darwin.s
src/runtime/sys_amd64_darwin.s
+9
-0
sys_file.c
src/runtime/sys_file.c
+29
-2
No files found.
src/cmd/gc/sys.go
View file @
c870ac23
...
...
@@ -53,6 +53,7 @@ func gosched();
func
goexit
();
func
readfile
(
string
)
(
string
,
bool
);
// read file into string; boolean status
func
writefile
(
string
,
string
)
(
bool
);
// write string into file; boolean status
func
bytestorune
(
*
byte
,
int32
,
int32
)
(
int32
,
int32
);
// convert bytes to runes
func
stringtorune
(
string
,
int32
,
int32
)
(
int32
,
int32
);
// convert bytes to runes
...
...
@@ -113,6 +114,7 @@ export
// files
readfile
writefile
// runes and utf-8
bytestorune
...
...
src/cmd/gc/sysimport.c
View file @
c870ac23
This diff is collapsed.
Click to expand it.
src/runtime/runtime.h
View file @
c870ac23
...
...
@@ -196,8 +196,9 @@ void* mal(uint32);
uint32
cmpstring
(
string
,
string
);
void
initsig
(
void
);
void
traceback
(
uint8
*
pc
,
uint8
*
sp
,
G
*
gp
);
int32
open
(
byte
*
,
int32
);
int32
open
(
byte
*
,
int32
,
...
);
int32
read
(
int32
,
void
*
,
int32
);
int32
write
(
int32
,
void
*
,
int32
);
void
close
(
int32
);
int32
fstat
(
int32
,
void
*
);
...
...
src/runtime/sys_amd64_darwin.s
View file @
c870ac23
...
...
@@ -26,6 +26,7 @@ TEXT sys·write(SB),1,$-8
TEXT open(SB),1,$-8
MOVQ 8(SP), DI
MOVL 16(SP), SI
MOVL 20(SP), DX
MOVQ $0, R10
MOVL $(0x2000000+5), AX // syscall entry
SYSCALL
...
...
@@ -52,6 +53,14 @@ TEXT read(SB),1,$-8
SYSCALL
RET
TEXT write(SB),1,$-8
MOVL 8(SP), DI
MOVQ 16(SP), SI
MOVL 24(SP), DX
MOVL $(0x2000000+4), AX // syscall entry
SYSCALL
RET
TEXT sys·sigaction(SB),1,$-8
MOVL 8(SP), DI // arg 1 sig
MOVQ 16(SP), SI // arg 2 act
...
...
src/runtime/sys_file.c
View file @
c870ac23
...
...
@@ -37,12 +37,39 @@ sys·readfile(string filein, string fileout, bool okout)
fileout
=
nil
;
goto
close_out
;
}
okout
=
1
;
okout
=
true
;
close_out
:
close
(
fd
);
out
:
FLUSH
(
&
fileout
);
FLUSH
(
&
okout
);
return
;
}
void
sys
·
writefile
(
string
filein
,
string
textin
,
bool
okout
)
{
int32
fd
;
byte
namebuf
[
256
];
okout
=
false
;
if
(
filein
==
nil
||
filein
->
len
>=
sizeof
(
namebuf
))
goto
out
;
mcpy
(
namebuf
,
filein
->
str
,
filein
->
len
);
namebuf
[
filein
->
len
]
=
'\0'
;
fd
=
open
(
namebuf
,
1
|
0x0200
,
0644
);
// open for write, create if non-existant (sic)
if
(
fd
<
0
)
goto
out
;
if
(
write
(
fd
,
textin
->
str
,
textin
->
len
)
!=
textin
->
len
)
{
goto
close_out
;
}
okout
=
true
;
close_out
:
close
(
fd
);
out
:
FLUSH
(
&
okout
);
}
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