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Prevent negative array index for selectnumber and textareanumber

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Bug-Debian: https://github.com/tats/w3m/issues/12
This commit is contained in:
Tatsuya Kinoshita
2016-08-17 19:47:19 +09:00
parent 72b1094d6e
commit a25fd09f74
2 changed files with 10 additions and 6 deletions
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8
form.c
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@@ -10,8 +10,10 @@
#include "regex.h"
extern Str *textarea_str;
extern int max_textarea;
#ifdef MENU_SELECT
extern FormSelectOption *select_option;
extern int max_select;
#include "menu.h"
#endif /* MENU_SELECT */
@@ -122,10 +124,12 @@ formList_addInput(struct form_list *fl, struct parsed_tag *tag)
parsedtag_get_value(tag, ATTR_SIZE, &item->size);
parsedtag_get_value(tag, ATTR_MAXLENGTH, &item->maxlength);
item->readonly = parsedtag_exists(tag, ATTR_READONLY);
if (parsedtag_get_value(tag, ATTR_TEXTAREANUMBER, &i))
if (parsedtag_get_value(tag, ATTR_TEXTAREANUMBER, &i)
&& i >= 0 && i < max_textarea)
item->value = item->init_value = textarea_str[i];
#ifdef MENU_SELECT
if (parsedtag_get_value(tag, ATTR_SELECTNUMBER, &i))
if (parsedtag_get_value(tag, ATTR_SELECTNUMBER, &i)
&& i >= 0 && i < max_select)
item->select_option = select_option[i].first;
#endif /* MENU_SELECT */
if (parsedtag_get_value(tag, ATTR_ROWS, &p))