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体验新版 GitCode,发现更多精彩内容 >>
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f1d0e64f
编写于
8月 29, 1998
作者:
B
Bruce Momjian
浏览文件
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浏览文件
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电子邮件补丁
差异文件
Prevent file descriptor leak from failed COPY.
上级
88800aac
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
16 addition
and
6 deletion
+16
-6
src/backend/commands/copy.c
src/backend/commands/copy.c
+16
-6
未找到文件。
src/backend/commands/copy.c
浏览文件 @
f1d0e64f
...
...
@@ -6,7 +6,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.5
6 1998/08/29 05:27:15
momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.5
7 1998/08/29 18:19:59
momjian Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -108,12 +108,21 @@ DoCopy(char *relname, bool binary, bool oids, bool from, bool pipe,
the class.
----------------------------------------------------------------------------*/
FILE
*
fp
;
static
FILE
*
fp
;
/* static for cleanup */
static
bool
file_opened
=
false
;
/* static for cleanup */
Relation
rel
;
extern
char
*
UserName
;
/* defined in global.c */
const
AclMode
required_access
=
from
?
ACL_WR
:
ACL_RD
;
int
result
;
/*
* Close previous file opened for COPY but failed with elog().
* There should be a better way, but would not be modular.
* Prevents file descriptor leak. bjm 1998/08/29
*/
if
(
file_opened
)
FreeFile
(
fp
);
rel
=
heap_openr
(
relname
);
if
(
rel
==
NULL
)
elog
(
ERROR
,
"COPY command failed. Class %s "
...
...
@@ -146,14 +155,13 @@ DoCopy(char *relname, bool binary, bool oids, bool from, bool pipe,
}
else
{
/* if we elog() out, the file stays open */
fp
=
AllocateFile
(
filename
,
"r"
);
if
(
fp
==
NULL
)
elog
(
ERROR
,
"COPY command, running in backend with "
"effective uid %d, could not open file '%s' for "
"reading. Errno = %s (%d)."
,
geteuid
(),
filename
,
strerror
(
errno
),
errno
);
/* Above should not return */
file_opened
=
true
;
}
CopyFrom
(
rel
,
binary
,
oids
,
fp
,
delim
);
}
...
...
@@ -174,7 +182,6 @@ DoCopy(char *relname, bool binary, bool oids, bool from, bool pipe,
mode_t
oumask
;
/* Pre-existing umask value */
oumask
=
umask
((
mode_t
)
0
);
/* if we elog() out, the file stays open */
fp
=
AllocateFile
(
filename
,
"w"
);
umask
(
oumask
);
if
(
fp
==
NULL
)
...
...
@@ -182,12 +189,15 @@ DoCopy(char *relname, bool binary, bool oids, bool from, bool pipe,
"effective uid %d, could not open file '%s' for "
"writing. Errno = %s (%d)."
,
geteuid
(),
filename
,
strerror
(
errno
),
errno
);
/* Above should not return */
file_opened
=
true
;
}
CopyTo
(
rel
,
binary
,
oids
,
fp
,
delim
);
}
if
(
!
pipe
)
{
FreeFile
(
fp
);
file_opened
=
false
;
}
else
if
(
!
from
&&
!
binary
)
{
fputs
(
"
\\
.
\n
"
,
fp
);
...
...
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