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More lenient refresh delay parsing

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svn path=/trunk/netsurf/; revision=5948
This commit is contained in:
John Mark Bell 2008-12-30 15:46:06 +00:00
parent 95039df607
commit 7f099d6675
1 changed files with 10 additions and 2 deletions
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12
render/html.c
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@ -517,7 +517,9 @@ bool html_meta_refresh(struct content *c, xmlNode *head)
end = (char *) content + strlen((const char *) content);
/* content := *LWS 1*DIGIT *LWS [';' *LWS *1url *LWS]
/* content := *LWS intpart fracpart? *LWS [';' *LWS *1url *LWS]
* intpart := 1*DIGIT
* fracpart := 1*('.' | DIGIT)
* url := "url" *LWS '=' *LWS (url-nq | url-sq | url-dq)
* url-nq := *urlchar
* url-sq := "'" *(urlchar | '"') "'"
@ -526,7 +528,7 @@ bool html_meta_refresh(struct content *c, xmlNode *head)
* nonascii := [#x80-#xD7FF#xE000-#xFFFD#x10000-#x10FFFF]
*/
/* *LWS 1*DIGIT */
/* *LWS intpart */
msg_data.delay = (int)strtol((char *) content, &url, 10);
/* a very small delay and self-referencing URL can cause a loop
* that grinds machines to a halt. To prevent this we set a
@ -534,6 +536,12 @@ bool html_meta_refresh(struct content *c, xmlNode *head)
if (msg_data.delay < 1)
msg_data.delay = 1;
/* fracpart? (ignored, as delay is integer only) */
while (url < end && (('0' <= *url && *url <= '9') ||
*url == '.')) {
url++;
}
/* *LWS */
while (url < end && isspace(*url)) {
url++;