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edit: Limit maximum number of history entries to 100

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This commit is contained in:
Jouni Malinen 2010-11-21 12:04:44 +02:00
parent 70de7d56fe
commit 566aef60ab
1 changed files with 11 additions and 2 deletions
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13
src/utils/edit.c
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@ -25,6 +25,8 @@ static char cmdbuf[CMD_BUF_LEN];
static int cmdbuf_pos = 0;
static int cmdbuf_len = 0;
#define HISTORY_MAX 100
struct edit_history {
struct dl_list list;
char str[1];
@ -176,8 +178,8 @@ static void clear_right(void)
static void history_add(const char *str)
{
struct edit_history *h, *match = NULL;
size_t len;
struct edit_history *h, *match = NULL, *last = NULL;
size_t len, count = 0;
if (str[0] == '\0')
return;
@ -187,6 +189,8 @@ static void history_add(const char *str)
match = h;
break;
}
last = h;
count++;
}
if (match) {
@ -196,6 +200,11 @@ static void history_add(const char *str)
return;
}
if (count >= HISTORY_MAX && last) {
dl_list_del(&last->list);
os_free(last);
}
len = os_strlen(str);
h = os_zalloc(sizeof(*h) + len);
if (h == NULL)