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Ecmascript: 8 last urls opened by window.open() remembered in a safer way.

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This commit is contained in:
Witold Filipczyk
2006-04-02 17:00:55 +02:00
committed by Witold Filipczyk
parent 9cca645dac
commit c571aea567
4 changed files with 80 additions and 81 deletions
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47
src/ecmascript/ecmascript.c
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@@ -64,6 +64,51 @@ static struct option_info ecmascript_options[] = {
NULL_OPTION_INFO,
};
#define NUMBER_OF_URLS_TO_REMEMBER 8
static struct {
unsigned char *url;
unsigned char *frame;
} u[NUMBER_OF_URLS_TO_REMEMBER];
static int url_index = 0;
int
ecmascript_check_url(unsigned char *url, unsigned char *frame)
{
int i;
/* Because of gradual rendering window.open is called many
* times with the same arguments.
* This workaround remembers NUMBER_OF_URLS_TO_REMEMBER last
* opened URLs and do not let open them again.
*/
for (i = 0; i < NUMBER_OF_URLS_TO_REMEMBER; i++) {
if (!u[i].url) break;
if (!strcmp(u[i].url, url) && !strcmp(u[i].frame, frame)) {
mem_free(url);
mem_free(frame);
return 0;
}
}
u[url_index].url = url;
u[url_index].frame = frame;
url_index++;
if (url_index >= NUMBER_OF_URLS_TO_REMEMBER) url_index = 0;
return 1;
}
void
ecmascript_free_urls(struct module *module)
{
int i;
for (i = 0; i < NUMBER_OF_URLS_TO_REMEMBER; i++) {
mem_free_if(u[i].url);
mem_free_if(u[i].frame);
}
}
#undef NUMBER_OF_URLS_TO_REMEMBER
struct ecmascript_interpreter *
ecmascript_get_interpreter(struct view_state *vs)
{
@@ -266,5 +311,5 @@ struct module ecmascript_module = struct_module(
/* submodules: */ ecmascript_modules,
/* data: */ NULL,
/* init: */ NULL,
/* done: */ NULL
/* done: */ ecmascript_free_urls
);