* ext/tk/tcltklib.c (ip_finalize): fix SEGV when Tcl_GlobalEval()

modifies the argument string to eval.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8309 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagai 2005-04-12 03:39:50 +00:00
Родитель f5af202262
Коммит b346101b25
2 изменённых файлов: 20 добавлений и 9 удалений

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@ -1,3 +1,8 @@
Tue Apr 12 12:38:06 2005 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/tcltklib.c (ip_finalize): fix SEGV when Tcl_GlobalEval()
modifies the argument string to eval.
Tue Apr 12 02:21:55 2005 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/tcltklib.c (ip_finalize): add existence check of

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@ -4,7 +4,7 @@
* Oct. 24, 1997 Y. Matsumoto
*/
#define TCLTKLIB_RELEASE_DATE "2005-03-30"
#define TCLTKLIB_RELEASE_DATE "2005-04-12"
#include "ruby.h"
#include "rubysig.h"
@ -4408,10 +4408,9 @@ ip_finalize(ip)
/* delete root widget */
DUMP1("check `destroy'");
if ( Tcl_GetCommandInfo(ip, "catch", &info)
&& Tcl_GetCommandInfo(ip, "destroy", &info) ) {
if (Tcl_GetCommandInfo(ip, "destroy", &info)) {
DUMP1("call `destroy'");
Tcl_GlobalEval(ip, "catch {destroy .}");
Tcl_GlobalEval(ip, "destroy .");
}
/* call finalize-hook-proc */
@ -4422,14 +4421,21 @@ ip_finalize(ip)
}
DUMP1("cancel after callbacks");
#define AFTER_CANCEL_CMD "foreach id [after info] {after cancel $id}"
DUMP1("check `foreach' & `after'");
if ( Tcl_GetCommandInfo(ip, "catch", &info)
&& Tcl_GetCommandInfo(ip, "foreach", &info)
if ( Tcl_GetCommandInfo(ip, "foreach", &info)
&& Tcl_GetCommandInfo(ip, "after", &info) ) {
DUMP1("call `foreach' & `after'");
Tcl_GlobalEval(ip,
"catch {foreach id [after info] {after cancel $id}}");
char *cmd;
if ((cmd = Tcl_Alloc(strlen(AFTER_CANCEL_CMD) + 1)) == (char*)NULL) {
DUMP1("cancel after callbacks : cannot allocate memory");
} else {
DUMP1("call `foreach' & `after'");
strcpy(cmd, AFTER_CANCEL_CMD);
Tcl_GlobalEval(ip, cmd);
Tcl_Free(cmd);
}
}
#undef AFTER_CANCEL_CMD
Tcl_Release(ip);