mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-01-12 18:34:36 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add PQfreemem() call for Win32.

Browse Source
This commit is contained in:
Bruce Momjian 2003-03-22 03:29:06 +00:00
parent aaf11b931f
commit 23ecb8855d
3 changed files with 36 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
doc/src/sgml/libpq.sgml
View File

@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.113 2003/03/20 06:23:30 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.114 2003/03/22 03:29:05 momjian Exp $
-->
<chapter id="libpq">
@ -1151,6 +1151,25 @@ unsigned char *PQunescapeBytea(const unsigned char *from, size_t *to_length);
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><function>PQfreemem</function></term>
<listitem>
<para>
Frees memory allocated by <application>libpq</>
<synopsis>
void PQfreemem(void *ptr);
</synopsis>
</para>
<para>
Frees memory allocated by <application>libpq</>, particularly
<function>PQescapeBytea</function> and <function>PQunescapeBytea</function>.
It is needed by Win32, which can not free memory across
DLL's, unless multithreaded DLL's (/MD in VC6) are used.
</para>
</listitem>
</varlistentry>
</variablelist>
</sect2>

15
src/interfaces/libpq/fe-exec.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.126 2003/03/10 22:28:21 tgl Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.127 2003/03/22 03:29:06 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -284,6 +284,19 @@ PQunescapeBytea(const unsigned char *strtext, size_t *retbuflen)
return buffer;
}
/*
* PQfreemem - safely frees memory allocated
*
* Needed mostly by Win32, unless multithreaded DLL (/MD in VC6)
* Used for freeing memory from PQescapeByte()a/PQunescapeBytea()
*/
void PQfreemem(void *ptr)
{
free(ptr);
}
/* ----------------
* Space management for PGresult.
*

3
src/interfaces/libpq/libpq-fe.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: libpq-fe.h,v 1.89 2003/03/20 06:23:30 momjian Exp $
* $Id: libpq-fe.h,v 1.90 2003/03/22 03:29:06 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -254,6 +254,7 @@ extern unsigned char *PQescapeBytea(const unsigned char *bintext, size_t binlen,
size_t *bytealen);
extern unsigned char *PQunescapeBytea(const unsigned char *strtext,
size_t *retbuflen);
extern void PQfreemem(void *ptr);
/* Simple synchronous query */