Hopiu/linkchecker
1
0
Fork 0
mirror of https://github.com/Hopiu/linkchecker.git synced 2026-04-20 22:31:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

plug memory leak in flushing parser

Browse source 
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@623 e7d03fd6-7b0d-0410-9947-9c21f3af8025
This commit is contained in:
calvin 2002-11-25 00:11:32 +00:00
parent 0ca67abcfd
commit 1423bd99d0
2 changed files with 30 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

43
linkcheck/parser/htmlparse.c
View file

@ -92,6 +92,7 @@
#define YYSTYPE PyObject*
#define YYPARSE_PARAM scanner
#define YYLEX_PARAM scanner
/* extern functions found in htmllex.l */
extern int yylex(YYSTYPE* yylvalp, void* scanner);
extern int htmllexInit (void** scanner, UserData* data);
extern int htmllexStart (void* scanner, UserData* data, const char* s, int slen);
@ -187,7 +188,7 @@ typedef struct yyltype
/* Line 213 of /usr/share/bison/yacc.c. */
#line 191 "htmlparse.c"
#line 192 "htmlparse.c"
#if ! defined (yyoverflow) || YYERROR_VERBOSE
@ -356,8 +357,8 @@ static const yysigned_char yyrhs[] =
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const unsigned short yyrline[] =
{
0, 95, 95, 96, 99, 100, 107, 144, 193, 226,
257, 288, 319, 350, 390, 430
0, 97, 97, 98, 101, 102, 109, 146, 195, 228,
259, 290, 321, 352, 392, 432
};
#endif
@ -1006,22 +1007,22 @@ yyreduce:
switch (yyn)
{
case 2:
#line 95 "htmlparse.y"
#line 97 "htmlparse.y"
{}
break;
case 3:
#line 96 "htmlparse.y"
#line 98 "htmlparse.y"
{}
break;
case 4:
#line 99 "htmlparse.y"
#line 101 "htmlparse.y"
{ YYACCEPT; /* wait for more lexer input */ }
break;
case 5:
#line 101 "htmlparse.y"
#line 103 "htmlparse.y"
{
/* an error occured in the scanner, the python exception must be set */
UserData* ud = yyget_extra(scanner);
@ -1031,7 +1032,7 @@ yyreduce:
break;
case 6:
#line 108 "htmlparse.y"
#line 110 "htmlparse.y"
{
/* is a tuple (<tag>, <attrs>); <attrs> is a dictionary */
UserData* ud = yyget_extra(scanner);
@ -1071,7 +1072,7 @@ finish_start:
break;
case 7:
#line 145 "htmlparse.y"
#line 147 "htmlparse.y"
{
/* is a tuple (<tag>, <attrs>); <attrs> is a dictionary */
UserData* ud = yyget_extra(scanner);
@ -1123,7 +1124,7 @@ finish_start_end:
break;
case 8:
#line 194 "htmlparse.y"
#line 196 "htmlparse.y"
{
UserData* ud = yyget_extra(scanner);
PyObject* callback = NULL;
@ -1159,7 +1160,7 @@ finish_end:
break;
case 9:
#line 227 "htmlparse.y"
#line 229 "htmlparse.y"
{
UserData* ud = yyget_extra(scanner);
PyObject* callback = NULL;
@ -1193,7 +1194,7 @@ finish_comment:
break;
case 10:
#line 258 "htmlparse.y"
#line 260 "htmlparse.y"
{
UserData* ud = yyget_extra(scanner);
PyObject* callback = NULL;
@ -1227,7 +1228,7 @@ finish_pi:
break;
case 11:
#line 289 "htmlparse.y"
#line 291 "htmlparse.y"
{
UserData* ud = yyget_extra(scanner);
PyObject* callback = NULL;
@ -1261,7 +1262,7 @@ finish_cdata:
break;
case 12:
#line 320 "htmlparse.y"
#line 322 "htmlparse.y"
{
UserData* ud = yyget_extra(scanner);
PyObject* callback = NULL;
@ -1295,7 +1296,7 @@ finish_doctype:
break;
case 13:
#line 351 "htmlparse.y"
#line 353 "htmlparse.y"
{
UserData* ud = yyget_extra(scanner);
PyObject* callback = NULL;
@ -1338,7 +1339,7 @@ finish_script:
break;
case 14:
#line 391 "htmlparse.y"
#line 393 "htmlparse.y"
{
UserData* ud = yyget_extra(scanner);
PyObject* callback = NULL;
@ -1381,7 +1382,7 @@ finish_style:
break;
case 15:
#line 431 "htmlparse.y"
#line 433 "htmlparse.y"
{
/* Remember this is also called as a lexer error fallback */
UserData* ud = yyget_extra(scanner);
@ -1419,7 +1420,7 @@ finish_characters:
}
/* Line 1016 of /usr/share/bison/yacc.c. */
#line 1423 "htmlparse.c"
#line 1424 "htmlparse.c"
yyvsp -= yylen;
yyssp -= yylen;
@ -1638,7 +1639,7 @@ yyreturn:
}
#line 464 "htmlparse.y"
#line 466 "htmlparse.y"
/* disable python memory interface */
@ -1703,6 +1704,10 @@ static PyObject* parser_flush (parser_object* self, PyObject* args) {
self->userData->pos += len;
}
RESIZE_BUF(self->userData->tmp_buf);
Py_XDECREF(self->userData->tmp_tag);
Py_XDECREF(self->userData->tmp_attrs);
Py_XDECREF(self->userData->tmp_attrval);
Py_XDECREF(self->userData->tmp_attrname);
self->userData->tmp_tag = self->userData->tmp_attrs =
self->userData->tmp_attrval = self->userData->tmp_attrname = NULL;
if (len > 0) {

6
linkcheck/parser/htmlparse.y
View file

@ -9,6 +9,7 @@
#define YYSTYPE PyObject*
#define YYPARSE_PARAM scanner
#define YYLEX_PARAM scanner
/* extern functions found in htmllex.l */
extern int yylex(YYSTYPE* yylvalp, void* scanner);
extern int htmllexInit (void** scanner, UserData* data);
extern int htmllexStart (void* scanner, UserData* data, const char* s, int slen);
@ -76,6 +77,7 @@ staticforward PyTypeObject parser_type;
%output="htmlparse.c"
%pure_parser
/* parser tokens */
%token T_WAIT
%token T_ERROR
%token T_TEXT
@ -525,6 +527,10 @@ static PyObject* parser_flush (parser_object* self, PyObject* args) {
self->userData->pos += len;
}
RESIZE_BUF(self->userData->tmp_buf);
Py_XDECREF(self->userData->tmp_tag);
Py_XDECREF(self->userData->tmp_attrs);
Py_XDECREF(self->userData->tmp_attrval);
Py_XDECREF(self->userData->tmp_attrname);
self->userData->tmp_tag = self->userData->tmp_attrs =
self->userData->tmp_attrval = self->userData->tmp_attrname = NULL;
if (len > 0) {