Your message dated Sun, 30 Apr 2006 18:59:29 +0930
with message-id <[EMAIL PROTECTED]>
and subject line Fixed in 2.6.3.2
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Package: wxwidgets2.6
Version: 2.6.1.2
Debian package of WxWidgets v2.6.1.2 on AMD64 Linux
WxWidgets has its own regular expression library. Among other things, this
library defines the function regfree(). This directly conflicts with the
POSIX regfree() which is provided by libc on Unix platforms. As a result,
it is possible to get into a situation where an application (perhaps one
linking with a 3rd party library or plugin) links to regcomp() and
regexec() provided by libc, but regfree() provided by WxWidgets. This
causes a crash because the WxWidgets regfree() is obviously not compatible
with the libc regcomp().
I can see no good reason for the implementation of regfree() within
WxWidgets to be named that way. Anyone using regular expressions in
WxWidgets should be doing so via the WxWidgets C++ class. The obvious fix
is to simply rename regfree() to something that won't cause a conflict,
such as wx_regfree().
Bug report has already been filed upstream with the proposed fix (attached
patch).
[ Peter Amstutz ][ [EMAIL PROTECTED] ][ [EMAIL PROTECTED] ]
[Lead Programmer][Interreality Project][Virtual Reality for the Internet]
[ VOS: Next Generation Internet Communication][ http://interreality.org ]
[ http://interreality.org/~tetron ][ pgpkey: pgpkeys.mit.edu 18C21DF7 ]
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diff -ruw wxwidgets2.6-2.6.1.2/src/common/regex.cpp
wxwidgets2.6-2.6.1.2-regfreefix/src/common/regex.cpp
--- wxwidgets2.6-2.6.1.2/src/common/regex.cpp 2005-08-25 08:52:18.000000000
-0400
+++ wxwidgets2.6-2.6.1.2-regfreefix/src/common/regex.cpp 2005-12-20
21:30:25.000000000 -0500
@@ -89,7 +89,7 @@
{
if ( IsValid() )
{
- regfree(&m_RegEx);
+ wx_regfree(&m_RegEx);
}
delete [] m_Matches;
diff -ruw wxwidgets2.6-2.6.1.2/src/regex/regex.h
wxwidgets2.6-2.6.1.2-regfreefix/src/regex/regex.h
--- wxwidgets2.6-2.6.1.2/src/regex/regex.h 2005-08-25 08:52:04.000000000
-0400
+++ wxwidgets2.6-2.6.1.2-regfreefix/src/regex/regex.h 2005-12-20
21:30:58.000000000 -0500
@@ -254,7 +254,7 @@
/*
* misc generics (may be more functions here eventually)
- ^ re_void regfree(regex_t *);
+ ^ re_void wx_regfree(regex_t *);
*/
@@ -318,7 +318,7 @@
#ifdef __REG_WIDE_T
int __REG_WIDE_EXEC _ANSI_ARGS_((regex_t *, __REG_CONST __REG_WIDE_T *,
size_t, rm_detail_t *, size_t, regmatch_t [], int));
#endif
-re_void regfree _ANSI_ARGS_((regex_t *));
+re_void wx_regfree _ANSI_ARGS_((regex_t *));
extern size_t regerror _ANSI_ARGS_((int, __REG_CONST regex_t *, char *,
size_t));
/* automatically gathered by fwd; do not hand-edit */
/* =====^!^===== end forwards =====^!^===== */
--- End Message ---
--- Begin Message ---
Version: 2.6.3.2
This bug is fixed in that version, let's see if the fancy new tags work.
--- End Message ---
