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[quickjs] Check return value of init_string

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This commit is contained in:
Witold Filipczyk 2022-01-04 17:25:04 +01:00
parent 0477e45e05
commit d60bdd0fad
3 changed files with 61 additions and 29 deletions
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49
src/ecmascript/quickjs/document.c
View File

@ -902,7 +902,9 @@ js_document_write_do(JSContext *ctx, JSValueConst this_val, int argc, JSValueCon
struct string *ret = interpreter->ret;
struct string code;
init_string(&code);
if (!init_string(&code)) {
return JS_EXCEPTION;
}
if (argc >= 1)
{
@ -1004,8 +1006,13 @@ js_document_replace(JSContext *ctx, JSValueConst this_val, int argc, JSValueCons
struct string needle;
struct string heystack;
init_string(&needle);
init_string(&heystack);
if (!init_string(&needle)) {
return JS_EXCEPTION;
}
if (!init_string(&heystack)) {
done_string(&needle);
return JS_EXCEPTION;
}
const char *str;
size_t len;
@ -1036,23 +1043,27 @@ js_document_replace(JSContext *ctx, JSValueConst this_val, int argc, JSValueCons
fd_len=f->length;
struct string f_data;
init_string(&f_data);
add_to_string(&f_data,f->data);
if (init_string(&f_data)) {
add_to_string(&f_data,f->data);
struct string nu_str;
init_string(&nu_str);
string_replace(&nu_str,&f_data,&needle,&heystack);
nu_len=nu_str.length;
delete_entry_content(cached);
/* This is very ugly, indeed. And Yes fd_len isn't
* logically correct. But using nu_len will cause
* the document to render improperly.
* TBD: somehow better rerender the document
* now it's places on the session level in doc_loading_callback */
int ret = add_fragment(cached,0,nu_str.source,fd_len);
normalize_cache_entry(cached,nu_len);
document->ecmascript_counter++;
//DBG("doc replace %s %s\n", needle.source, heystack.source);
struct string nu_str;
if (init_string(&nu_str)) {
string_replace(&nu_str,&f_data,&needle,&heystack);
nu_len=nu_str.length;
delete_entry_content(cached);
/* This is very ugly, indeed. And Yes fd_len isn't
* logically correct. But using nu_len will cause
* the document to render improperly.
* TBD: somehow better rerender the document
* now it's places on the session level in doc_loading_callback */
int ret = add_fragment(cached,0,nu_str.source,fd_len);
normalize_cache_entry(cached,nu_len);
document->ecmascript_counter++;
done_string(&nu_str);
}
//DBG("doc replace %s %s\n", needle.source, heystack.source);
done_string(&f_data);
}
}
done_string(&needle);

21
src/ecmascript/quickjs/element.c
View File

@ -734,7 +734,9 @@ js_element_get_property_innerHtml(JSContext *ctx, JSValueConst this_val)
return JS_NULL;
}
struct string buf;
init_string(&buf);
if (!init_string(&buf)) {
return JS_EXCEPTION;
}
walk_tree(&buf, el);
JSValue ret = JS_NewStringLen(ctx, buf.source, buf.length);
done_string(&buf);
@ -754,7 +756,9 @@ js_element_get_property_outerHtml(JSContext *ctx, JSValueConst this_val)
return JS_NULL;
}
struct string buf;
init_string(&buf);
if (!init_string(&buf)) {
return JS_EXCEPTION;
}
walk_tree(&buf, el, false);
JSValue ret = JS_NewStringLen(ctx, buf.source, buf.length);
done_string(&buf);
@ -774,7 +778,9 @@ js_element_get_property_textContent(JSContext *ctx, JSValueConst this_val)
return JS_NULL;
}
struct string buf;
init_string(&buf);
if (!init_string(&buf)) {
return JS_EXCEPTION;
}
walk_tree_content(&buf, el);
JSValue ret = JS_NewStringLen(ctx, buf.source, buf.length);
done_string(&buf);
@ -1422,8 +1428,13 @@ js_element_isEqualNode(JSContext *ctx, JSValueConst this_val, int argc, JSValueC
struct string first;
struct string second;
init_string(&first);
init_string(&second);
if (!init_string(&first)) {
return JS_EXCEPTION;
}
if (!init_string(&second)) {
done_string(&first);
return JS_EXCEPTION;
}
walk_tree(&first, el, false, true);
walk_tree(&second, el2, false, true);

20
src/ecmascript/quickjs/location.c
View File

@ -64,7 +64,9 @@ js_location_get_property_hash(JSContext *ctx, JSValueConst this_val)
}
struct string fragment;
init_string(&fragment);
if (!init_string(&fragment)) {
return JS_EXCEPTION;
}
if (vs->uri->fragmentlen) {
add_bytes_to_string(&fragment, vs->uri->fragment, vs->uri->fragmentlen);
@ -217,7 +219,9 @@ js_location_get_property_pathname(JSContext *ctx, JSValueConst this_val)
}
struct string pathname;
init_string(&pathname);
if (!init_string(&pathname)) {
return JS_EXCEPTION;
}
const char *query = memchr(vs->uri->data, '?', vs->uri->datalen);
int len = (query ? query - vs->uri->data : vs->uri->datalen);
@ -247,7 +251,9 @@ js_location_get_property_port(JSContext *ctx, JSValueConst this_val)
}
struct string port;
init_string(&port);
if (!init_string(&port)) {
return JS_EXCEPTION;
}
if (vs->uri->portlen) {
add_bytes_to_string(&port, vs->uri->port, vs->uri->portlen);
}
@ -275,7 +281,9 @@ js_location_get_property_protocol(JSContext *ctx, JSValueConst this_val)
}
struct string proto;
init_string(&proto);
if (!init_string(&proto)) {
return JS_EXCEPTION;
}
/* Custom or unknown keep the URI untouched. */
if (vs->uri->protocol == PROTOCOL_UNKNOWN) {
@ -308,7 +316,9 @@ js_location_get_property_search(JSContext *ctx, JSValueConst this_val)
}
struct string search;
init_string(&search);
if (!init_string(&search)) {
return JS_EXCEPTION;
}
const char *query = memchr(vs->uri->data, '?', vs->uri->datalen);